HomeMy WebLinkAboutB17-0687 024-051-0194
BUTTE COUNTY AREA
DEPARTMENT OF DEVELOPMENT SERVICES 1
INSPECTION CARD MUST BE ON JOB SITE
24 Hour Inspection Line (IVR) :530.538.4365 (Cut off time for inspections is 3pm)
Development Services cannot guarantee inspections on the date requested
Office: 530.538.7601 Fax: 530
Permit No: B17-0687 Issued: 4/18/2017
APN: 024=051-019
Address: 247 OBERMEYER AVE, GRIDLEY
Owner: BROWN LINNEA A
Permit Type: WATER HEATER C/O RES
Description: install tankless water heater
ass. i iso www.tiutteuounty.nevaas .
Flood Zone: None SRA Area: No
Front: Centerline of Road:
Rear: SRA:
Street: AG:
Interior
Total Setback from Centerline of Road:
ALL PLAN REVISIONS MUST BE APPROVED BY -THE COUNTY BEFORE PROCEEDING
Inspection Tye
WR INSP DATE
Setbacks .
131
Foundations / Footings
111 .
Pier/Column Footings
122
Eufer Ground
216 i
Masonry Grout
120
Setbacks
131
Do Not Pour Concrete Until Above are Sign d
Pre -Slab
•124
Gas Test Underground/floor
404
Gas Piping Underground/floor
403
Underfloor Framing
149
Underfloor Ducts
.319
Shear Transfer
136
Under Floor Plumbing
412
Under Slab Plumbing
411
Blockin nder inin
612
Tiedown/Soft Set System
-611
Do Not Install Floor Sheathing
or Slab Until Above Signed
Shearwall/B.W.P.-Interior
134 :.
Shearwall/B.W.P.-Exterior
135
Roof Nail/Drag Trusses
129
Manometer Test
605
Do Not Install Siding/Stucco or Roofing Until Above Signed
'Rough Framing
J53'.
Rough Plumbing
406
Rough Mechanical
316
Rough Electrical—
208
4 -Way Rough Framing
128
Gas Piping House
403
Gas Test House
404
Shower Pan/Tub'Test
408
Do Not. Insulate Until Above Signed
Permit Final
802
Electrical Final
803
Mechanical Final
809
Plumbin .Final
813
Fire Sprinkler Test or Final
702
Swimmiug
Pools
I
Inspection Tvipe
IVR INSP DATE
T -Bar Ceiling
145
Stucco Lath
142
Swimmiug
Pools
Setbacks
131
Pool Plumbing Test
504
Gas Test
404
Pre-Gunite
506
Pre -Deck
505
Pool Fencing/Alarms/Barriers
503
Pre -Plaster
507
Manufactured Home
Setbacks
131
Blockin nder inin
612
Tiedown/Soft Set System
-611
Permanent Foundation System
613
Under round Electric
218
Sewer
407 •
Underground Water
417
Manometer Test
605
Continuity Test
602
Skirtin Ste s/Landin s
610
Coach Info
Manufactures Name:
Date of Manufacture:
Model Name/Number:
Serial Numbers:
Length x Width:
Insignia:
Finalsw �: rk
-Public; Works Final 538.7681 '
Fire De artment/CDF 538.6226'
Env. Health Final 538.7281
.Sewer District Final
"PROJECT AL' 7 11
. -Project renal is a Certificate of Uccupancy for (Ke Iidenhgl Unly)l
PERMITS BECOME NULL AND VOID 1 YEAR FROM THE DATE OF ISSUANCE. IF WORK HAS COMMENCED, YOU MAY PAY FOR A 1 YEAR
RENEWAL 30 DAYS PRIOR TO EXPIRATION
Installation Manual CNORITZ
ORPORATONA
CONDENSING TANKLESS GAS WATER HEATER
NRC663-FSV (EZTR40) C�1''�TM
(Indoor Installation)
Potential dangers from accidents during installation and use are divided into the following three
categories. Closely observe these warnings, they are critical to your safety.
•Q DANGER
DANGER indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
QWARNING
WARNING
indicates a potentially hazardous situation which,
if not avoided, could result in death or serious injury.
QCAUTION
•
' CAUTION indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
& C Prohibited Disconnect Ground Be sure to do
Power0 0
----------- CAUTION -----------,
I 1
1 Requests to Installers 1
1 In order to use the water heater safely, read this installation manual carefully, and follow the 1
1 installation instructions. 1
1 Failures and damage caused by erroneous work or work not as instructed in this manual are not 1
1 covered by the warranty. 1
1 Check that the installation was done properly in accordance with this Installation Manual upon completion. 1
1 After completing installation, please either place this Installation Manual in a plastic pouch and 1
i attach it to the side of the water heater (or the inside of the pipe cover or recess box if applicable), 1
1 or hand it to the customer to retain for future reference. Also, be sure to fill in all of the required
items on the warranty and to hand the warranty to the customer along with the Owner's Guide. 1
pESiGN LOW -LEAD
U FOR USE IN RESIDENTIAL APPLICATIONS.
C PC Installation must conform with local codes, or in the absence of
local codes, the National Fuel Gas Code, ANSI Z223.1/NFPA 54-
`E^r,^Ea ® O latest edition.
Low NOx Noritz America reserves the right to discontinue, or change at any
Approved by time, the designs and/or specifications of its products without
SCAQMD notice.
F 14 ng/J or 20 ppm
(Natural Gas Only)
Rev. 08/14
f
x�Included Accessories The following accessories are included with the unit
,■ ,° . Check for any missirig'items before starting installation `'
r
a. ,. ,•Itie accessories listed below are nota s
included :with the units, but may be new
'20 OBptional Accesso6`-
'4orihstallation...es aM4..
�x
Part
Part
Shape
Q'ty
Part .
Shape 1
Q'ty
Anchoring Screw
5
Owner's Guide, Warranty,'
Installation Manual
i
(th s document)
a a
1
each
r
a. ,. ,•Itie accessories listed below are nota s
included :with the units, but may be new
'20 OBptional Accesso6`-
'4orihstallation...es aM4..
�x
Part
Shape
Q'ty
Part
Shape k
Q'ty .
Remote Controller:op
Remote Controller
(See p. 28)
O
1
Cord •(10ft (3m))
1
Neutralizer
Remote Controller
(NC -1)
Cord (26ft (8m))
1
Isolation Valves"
rim
W71
In
s•
!,C
(includes pressure
each
N-FlexKit2"-35
1
relief valve)
Note: Additional vent pieces are available; consult the latest product catalogue for details.
* Isolation valves are necessary for flushing the Heat Exchanger.
They allow for easy flushing of the system.
�3 Beforelnstallationxre�07
�3;
.., aw.. xa
DANGER, .
Check the fixing brackets and vent pipe yearly for damage or wear. Replace if necessary.
! WARNING.
Precautions on Vent Pipe Replacement
• The vent system will almost certainly need to be replaced when this appliance is being installed.
Only use vent materials that are specified in this Installation Manual for use on this appliance.
Refer to the "Vent Pipe Installation" section for details. If the flexible polypropylene pipe is already
installed, replace to the new flexible polypropylene pipe.
Improper venting may result in fires, property damage or exposure to Carbon Monoxide.
Snow Precaution _
• If this product will be installed in an area where snow is known .to accumulate, protect the vent
termination from blockage.by snow drifts or damage from snow falling off of roofs.
` Check the Gas
:�TIJ ����
• Check that rating plate indicates the �^�^:�
o -ow .w.,mmoeiv-unu.000e,v NSF.'
_ Nom.'wY fleb :Mh ...O -
correct type of gas. W :N„ ..o-�m.,o.rw.a
Y+Atxkotlp�e:O.BODy-Wa?SODm
Check that the gas supply line is sized for ���,=,ti',;�
120,000 Btuh•_ ANSI Z21A0"IICSA4.&2013 SRO ppp�wsucxo (.,<V,m7ppa
Checkthe Power 2
• The power supply required is 120VAC, at 60Hz.
Using the incorrect voltage may result in fire or electric shock.
Use Extreme Caution if Using With a Solar Pre -Heater ,
• Using this unit with a solar pre -heater can lead to unpredictable output temperatures+ and
possibly scalding. If absolutely riecessary, use mixing valves to ensure output temperatures do
not get to scalding, levels.
{ - t CAUTION
Do Not Use Equipment for Pur oses'Other Than Those Specified
• Do not use for other than increasing the temperature of the water supply, as unexpected accidents
may occur as a result.
.Check Water Supply Quality
•. If the water supply is in excess of 12 grains per gallon (200 mg/L) of hardness, acidic or otherwise
impure, treat the water with approved methods in order to ensure full warranty coverage: -
,
, I,r
!
S
i1
4. 4ChoosingInstallation.�Site "r :
* Locate the appliance in an area where'leakage from the unit or connections will not result ins damage
to the area adjacent to the appliance or to the lower floors of the structure.
When such locations
cannot -be avoided, it is recommended that a suitable drain pan, adequately drained, be installed
under the appliance..The pan must not restrict combustion air flow.
'
-
! DANGER
• Locate the vent terminal so'that there are no obstacles around. the termination
1
and so that exhaust
can't accumulate. Do not enclose the termination with corrugated metal or other materials':'
! WARNING
• Avoid places where fires are common, such as those where gasoline, benzene
and adhesives
are handled, or places in which corrosive gases (ammonia, chlorine,'sulfur, ethylene compounds,
acids) are present.
Using the incorrect voltage may result in fire or cracking.
; , -
• Avoid installationin places where dust or.debris will accumulate.
o
Dust may block the air -supply opening, causing the performance of the device•fan •to drop and
incomplete combustion to occur as a result.
• Avoid installation in places where special chemical agents
(e.g., hair spray or spray detergent) are used.
Ignition failures and malfunction may occur as a result:
• Carbon Monoxide Poisoning Hazard:' Do not install this water heater in a
mobile home, recreational
vehicle or on a boat.
• ,.
QCAUTION
-
•The water heater is designed for indoor installation only. Never install it _,/ j/
a
outdoors or in a bathroom, it may be"damaged or fire may be caused:
Outdoors
• Consult with the customer concerning the location of installation.
Prohibited
•- Install the water heater in an area that allows for the proper clearances
to combustible and noncombustible construction. Consult the rating
plate on the -appliance for proper clearances.
• Do not install the water heater in a place where it may be threatened by
falling objects, such as under shelves.
j
• Do not install the water heater in a place where the inside/outside
temperature is below 32°F (0°C).
• The water heater must be installed in a place where exhaust pipes can,
be installed as directed. -
• Do not install the water heater where the exhaust will blow on outer walls
or material not resistant to heat. Also consider the surrounding trees and
animals.
The heat and moisture from the water heater may cause discoloration of .' =
walls and resinous materials, or corrosion of aluminum materials.
! CAUTION
State of California: The water heater must be braced, anchored or strapped to avoid moving during an
earthquake. Contact local utilities for code requirements in your area or call: 1-866-766-7489 and
request instructions.
The Commonwealth of Massachusetts: The water heater can be used for hot water only and not in a
combination of domestic and space heating..
For Venting Manufacturers Requirements, see websites listed below:
Noritz N -Flex vent kit www.noritz.com
http://support.noritz.com/
5
• Avoid installation above gas ranges or stoves.
1i
ILJI
• Avoid installation between the kitchen fan and stove. If oily
fumes or a large amount of steam are present in the installation
location, take measures to prevent the fumes and steam from Prohibited
TTF
FF
entering in the equipment.
• Install in a location where the exhaust gas flow will not be affected
by fans or range hoods.
0
• Take care that noise and exhaust gas will not affect neighbors.
Avoid installation on common walls as,the unit will make some
operational noises while it is running. Be sure iodo.
m
• Make sure that the location allows installation of the exhaust
vent as specified..
• Avoid installation where the exhaust vent terminal will be exposed
to excessive winds.
• Before installing, make'sure that the exhaust flue termination will
have the proper clearances according to the National Fuel Gas
Code (ANSI.Z223.1).
State of California: The water heater must be braced, anchored or strapped to avoid moving during an
earthquake. Contact local utilities for code requirements in your area or call: 1-866-766-7489 and
request instructions.
The Commonwealth of Massachusetts: The water heater can be used for hot water only and not in a
combination of domestic and space heating..
For Venting Manufacturers Requirements, see websites listed below:
Noritz N -Flex vent kit www.noritz.com
http://support.noritz.com/
5
...w
.Ins3 F
- tallation 1
y � .
n'
&WARNING
s
y ay
Before installing,check for the following: 4
Install in accordance with relevant building and mechanical codes, as well as, any -local;', state or
national regulations, or in the absence of local and state codes, to the National Fuel Gas Code ANSI "
Z223.1/NFPA 54 — latest edition for detailed requirements. �t `
Item
Check',
Illustration
• Maintain the following clearances
from both combustible and
ID
-212"
non-combustible materials.
;I
(300mm) or more .j'
E
4" (100mm) or more ±I
E
i
o
r '
a)
3" 75mm) or more
Distance from the side
• If possible, leave 8" (200mm) or more
on either side of the unit to facilitate
3" (75mm) or more 3" (75mm) or more
o
inspection.
1=t,�---�
,2
r8'r'00m)If
possible, leave 24" (600mm) or more in
ore
front of the unit to facilitate maintenance
o �
and service if necessary.
8 200mm !
L
or more
L) a
If possible, leave 3" (75mm), or more
• 24" (600mm) _
:1
above and below the vent pipe to facilitate
or more
,inspection and repair.if necessary.
r
<When the indoor air supply>
'
• If the unit will be installed in the vicinity of
a permanent kitchen range or stove that
E
has the possibility of generating steam
.5
that contains fats or oils, use a dividing
Exhaust hood
w
plate or other measure to ensure that the
Cn
unit is not exposed to air containing such
Dividing plate Water F?
o
impurities.
heater
_
v
' The dividing plate should be of noncombustible
material of a width greater than the water
Range
heater.-
'
6 ♦The illustration is an example. Please check with the actual water heater about the position of piping, and form.
Clearance Requirements from Vent Terminations to Building Openings
" All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code,
ANSI Z223.1
D
G
E
A �HI.-
C Bj—
C9 �,mF ppsco I M
�" B o t•®
`F- I B t L—J� —K—
Vent Terminal
Area Where Terminal
® Air Supply Inlet ® is Not Permitted
Ref
Description
US Non -Direct Vent Installations 1
A=
Clearance above grade, veranda, porch, deck, or balcony
12 in 30 cm
I3=
Clearance to window or door that may be opened
4 ft (1:2 m) below or to side of opening;
1 ft 30 cm above opening
C=
Clearance to permanently closed window_.
D=
Vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 2 feet (61 cm)
from the center line of the terminal
E=
I Clearance to unventilated soffit
F=
Clearance to outside corner
G=
Clearance to inside corner
H=
Clearance to each side of center line extended, above
meter/regulator assembly
1=
Clearance to service regulator vent outlet
J_
Clearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other appliance
4 ft (1.2 m) below or to side of opening;
1 ft 30 cm above opening
K=
Clearance to a mechanical air supply inlet
pp y
3 ft (91 cm) above if within
10 ft 3 m) horizontal)
L__
Clearance above paved sidewalk or paved driveway located
on public property
M=
Clearance under veranda, porch, deck, or balcony
In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code
Clearance in accordance with local installation codes and the requirements of the gas supplier.
Clearance to opposite wall is 24 inches (60 cm).
7
611111-Installai.'ton Y s�
4�... T
o Ax`s,
Securing to the wall '
• The weight of the device will be applied to the wall. If the strength of the wall is not sufficient,
reinforcement must be done to prevent the transfer of vibration. ' !
0 • Do not drop or apply unnecessary force to the device when installing: Internal parts may
be damaged and may become highly dangerous..
Be sure to do• Install the unit on a vertical wall and ensure that it is level.
• Do not install the water heater'when the inside/outside temperature is below 40°F, (5°C).
Item
Check -
Illustration,
Q�. CAUTION
Location of Screw Hole a
When installing with bare hands, take caution to
Mounting Bracket .,
o
not inflict injury.
(upper)
•i o
3
Be careful not to hit electrical wiring, gas, or water.
)
••� }
piping while drilling holes.
; o
U)
a)
' °
1. Drill a single screw hole, making sure to hit a stud.
76
2. Insert and tighten the screw and hang the unit by
`
the upper wall mounting bracket
3. Determine the positions for the remaining four screws
(two for the top bracket and two for the bottom), and
' Locating Screw Holes
remove the unit. �
� �
4. Drill holes for the remaining four screws.
Anchoring Screw a ,�
5. Hang the unit again by the first screw, and then
Q,
insert and tighten the remaining four screws. -
c
1
o6.
Take waterproofing measures so that water does
.
l
not enter_ the building from screws mounting the
.o
device.
a
\v/
• Make sure the unit is installed securely so that it will
t
not fall or move due to vibrations or earthquakes.
IM
Adjust the DIP switches as illustrated in the table to
Do not change any other DIP -switches,
o
the right if this water heater is installed at an altitude
I=p OFF .
of 2000 ft. (610m) or higher.
u` ON
M.
High elevation adjustment. _
o
Disconnect power to the water heater before changing
s 6 ,tf
W o
the DIP switches. Failure to perform this step will result
0-z,000It(0.610m) O O ;;
N
in a 733" code displayed on the Display Window and
2,001- 3,500 fl 611-1,OSOm O tt
,
0 o
a cease in operation. If this occurs, disconnect, then.
°N-� OFF=t�
—Q
reconnect power to the water heater to reset the system.
_ _ _ �
c
U 0
Oil
8 ♦The illustration is an example. Please check with the actual water heater about the position of piping, and form. Y
filling the condensate trap with water
*JG
When initial start up, make sure that you perform the following procedures.
QDANGER This is to prevent dangerous exhaust gases from entering the building.
Failure to following procedure could result in severe personal injury or death.
After installing the drain pipe, make sure that the area around the unit is well ventilated; open a window or a
door -if necessary. Then, operate the unit and verify that condensate is coming out of the drain pipe. (During
normal use of the unit, condensate will begin to discharge from the drain pipe within 15 minutes of use.
However, depending on the season and/or installation site conditions, it may take longer.)
1
9
•
It
ry
• Do not store hazardous or flammable substances
` Not including the termination.
.Vent'yPipe Installation;.; y)s
,m D.
q ., n � d
n oor Installation. nl�
! WARNING
CARBON MONOXIDE POISONING = '!
Follow all vent system requirements in accordance with relevant local or state regulation,
or, in the absence of local or state code, in the U.S. to the National Fuel Gas Code ANSI
Be sure to do 2233.1/NFPA 54 — latest edition.
• .0
Do not install the water heater when the inside/outside temperature is below 40°F„'(5°C).
Be sure to do
rr
General Requirements Maximum Vent Lengths s
• Under normal conditions, this appliance will This appliance has been designed to be vented
not produce an exhaust flue temperature in with 2" flexible polypropylene pipe.
excess of 149°F. Do not exceed the following maximum vent lengths:
Refer to page 12 for additional requirements.
• Make sure the vent system is gas tight and Max. Straight Vent Length : 35' (10.5m)
will not leak. Maximum allowable 45° elbows are 2 elbows
• Do not common vent or connect more than ' Not including the 450 adapter included in
one appliance to this venting systema N-FlexKit2"-35
• The total vent length including vertical vent runs '' No 90° elbows j
should be no less than 5 (1.5m).
1
• Do not store hazardous or flammable substances
` Not including the termination.
near the vent termination and check .that the
•
termination is not blocked in any way.
Clearances
• Steam or condensed water may come out
2" flexible polypropylene pipe has been approved
from the vent termination. Select the location
for use on this appliance with zero clearance to
for the termination so as to prevent injury or
combustibles.
property damage.
• If snow is expected to accumulate, take care
,
the end of the pipe is not covered with snow
or hit by falling lumps of snow.
•
10
D •
1
,I
SII
'
Maximum Vent Length Adjustment DIP switch
The unit can be adjusted to accommodate longer vent runs; refer to the below table to find the
maximum vent length. Adjust the DIP switch according to the vent condition noted in the tables below.
• Disconnect power to the water heater before changing the DIP switch. Failure to perform this step
will result in a "733" code displayed on the Display Window and a cease in operation.
If this occurs, disconnect,,then reconnect power to the water heater to reset the system.
[Maximum Vent Length Example]
- Two 45° elbows, maximum length = 18 ft. (5.4m)
(with DIP switch set at "short length" condition)
- Two 450 elbows, maximum length = 30 ft. (9.0m)
(with DIP switch set at "Maximum length" condition)
<Maximum Vent Length Configurations>
Maximum allowable 45° elbows are 2 elbow.
* Not including the 45° adapter included in N-FlexKit35
* No 90° elbows
Do not change any other DIP switch.
OFF
+00
.0.�.
ON
1'
Vent length condition. , ; `O
L
7 8
OMinimum length O O co o000 0 0 0 0000
N
O Short length 00
O Long length Q
® Maximum length
ON=* OFF=Q ----
r .1
' The power must be unplugged when '
adjusting the DIP switch to switch the
airflow amount.
11
7
8
. . Vent Length
45° elbows
Q
Q
5' (1.5m)<Vent Length <13'(3.9m)
0 ^- 2 pieces
0
A
O
13' (3.9m)<Vent Length<23' (6.9m)
0 — 2 pieces
3Q
Q
®
23'.(6.9m)<Vent Length <29' (8.7m)
0 ^- 2 pieces
®
i
29' (8.7m)<Vent Length <35' (10.5m)
0 — 2 pieces
Maximum allowable 45° elbows are 2 elbow.
* Not including the 45° adapter included in N-FlexKit35
* No 90° elbows
Do not change any other DIP switch.
OFF
+00
.0.�.
ON
1'
Vent length condition. , ; `O
L
7 8
OMinimum length O O co o000 0 0 0 0000
N
O Short length 00
O Long length Q
® Maximum length
ON=* OFF=Q ----
r .1
' The power must be unplugged when '
adjusting the DIP switch to switch the
airflow amount.
11
Venting Installation Instructions (General Information)
Property damage, personal injury or death can result if these instructions are not followed.
They are a guide for professional installers generally familiar with the installation and maintenance of
heating equipment and related vent systems.
• Only manufacturer specified vent parts may be used for this equipment.
* Information regarding certification of "Flexible vent pipe and connections".
Standard(s)
UL -1738 Dated 10/4/2010 Standard for Safety for Venting Systems
ULC -S636-08 Standards fort pe BH Gas Venting Systems
Product
PP Flexible 2", PP Single Wall Pipe 2"
Brand name
InnoFlue Flex - Centrotherm
Models
IFVL, IFSF, TANS, ISEL,
• N -Flex kit may be used only in accordance with the installation manual included with the kit.
• Do not install N -Flex vent kit where ambient air temperature can exceed 300°F(1480C).
• N -Flex vent kit can be installed at zero clearance to combustible materials.
• Appliances can be fired up immediately after N -Flex vent kit is installed and inspected.
• N -Flex vent systems expand and contract slightly during heating cycles and must be installed
following included instructions.
• N -Flex vent kit cannot be painted.
• When installing N -Flex vent, pitch is required as detailed in installation manual.
• Keep N -Flex vent greater than 40°F (5'C) during installation.
Damage will occur if handled or installed at lower temperatures.
• Do NOT intermingle any other venting material with allowable polypropylene venting
mentioned.
zt WARNING
CARBON MONOXIDE POISONING
Failure to properly seal the vent system could
cause flue products to enter the living space.
12
D WARNING
This unit is suitable only for vertical vent.
Vertical Vent Termination with Polypropylene
N -Flex system
• Terminate at least 6' (1.8m) from the combustion air
Storm Roof
intake of any appliance, and 3' (0.9m) from any other
Flashing
building opening, gas utility meter, service regulator etc.
• Enclose exterior vent systems below the roof line to limit
Firestop/Support
condensation and protect against mechanical failure.
_ _
• When the vent penetrates a floor or ceiling and is not
_ =
running in a fire rated shaft, a firestop and support is
Support
required.
_ _
• When the vent termination is located not less than
8' (2.4m) from a vertical wall or similar obstruction,,
Flexible I Firestop
polypropylene pipe
- -
- -
terminate above the roof at least 2, (0.6m), but not
Exhaust %'—Airninum
==
more than 6'(1.87m), in accordance with the National
flex pipe
= =
Fuel Gas Code ANSI Z223.1/NFPA 54.
- -
• The aluminum flex pipe serves as protection against
_ =
damage.
13
Supply combustion air to the units as per the National Fuel Gas Code, ANSI Z223.1
Combustion Air and in Canada, in accordance with the Natural Gas and Propane Installation Code
CSA 6149.1.
r -------------------------------i
Provide adequate combustion air so as to not create negative pressure within the builbing.
• Provide two permanent openings to allow
circulation of combustion air.
• Make each opening 180 square inches if they
provide indoor air, and 100 square inches for
outdoor air.
• If the unit is installed in a mechanical closet,
provide a 24" (600mm) clearance in front of
the unit to the door.
• If combustion air will be provided through a
duct, size the duct to provide 60 cubic feet of
fresh air per minute.
9" (225mm) I =
20" (500mm)
0
0
0
0
0
0
20" (500mm)
9" (225mm)
Openings supplying indoor air
14 ♦The illustration is an example. Please check with the actual water heater about the position of piping, and form.
{p �, i. �{'. %1 `Y'r.'M �. '�t.':A}i�' ,�.• �f �i '` i�l g 3 �.gk,..• •5�• � {y` .yf � � R��«s�ii 1 �x'1 .2'', h i."k ��.'..5 i �YS�.
� w P ■ 'cwt • E arm Tr'i`. d � � ' .Ja f.,yw 'a?a �?�. '�x. a. f. 'A a ; � X C 5 � �
G as Perping
� R; Follow the instructions,from the'gas supplier ; w
x :. 3. ¢• ,. ;. '.. ..',.u. �g ' a "# t", n k`` 'tom , Z.f m�i�4 ti r !� ,
&CAUTION ---------1
1 The guidelines and examples we have provided in this manual section are for reference only. 1
1 The sizing and installation of the gas system for this water heater, as with any gas appliance, is the 1
1 sole responsibility of the installer. The installer must be professionally trained to do such work and 1
must always follow allAocal and national codes and regulations. Gas line sizing calculations must
1 be performed for every installation. Please contact Noritz America at 866-766-7489 if you have 1
1 any questions or concerns. 1
n
Gas Type
The gas type indicated on the water heater rating plate (NG or LP) must match the type of gas being
supplied to the water heater.
Gas Conversions
.If the gas type supplied does not match the gas type on the rating plate, contact your water heater supplier for
a replacement unit with the proper gas type. If a gas type conversion must be made, there are conversion
kits available for some models. [The conversion kit shall be installed by a qualified service agency in
accordance with the manufacturer's instructions and all applicable codes and requirements of the
authority having jurisdiction. The qualified service agency is responsible for the proper installation -of this
kit. Improper installation; of this kit will void the warranty. Conversion kits will only be shipped directly to
the Distributor or Agency performing the conversion.)
Meter '
The gas meter must be sized properly for the water heater and other gas appliances to operate properly.
Select a gas meter capable of supplying the entire btuh demand of all gas appliances in the building.
-------- -- CAUTION' ------=-- -,
1 Regulators 1
1 Ensure that all gas regulators used are operating properly and providing gas pressures within the specified 1
1 range of the water heater being installed: Excess gas inlet pressure may' cause serious accidents. 1
07 min E
A! WARNING
1 Pressure 1
1 Check the gas supply pressure immediately upstream at a location provided by the gas company. Supplied 1
1 gas pressure must be within the limits shown in the specifications section with all gas appliances operating. 1
1 The inlet gas pressure must be within the range specified. This is for the purposes of input adjustment. Low 1
1 gas pressure may cause a loss of flame or ignition failure at other appliances in the home, which may result 1
1 in unburned gas in the home. Serious accidents such as fire or explosion may result. 1
1 Measuring Gas Pressure G 1
1 In order to check the gas supply pressure to the unit, a tap is provided on the gas
1 inlet. Remove the 9/32" hex head/Philips screw from the tap, and connect a 1
1 manometer using a silicon tube. Open up at least 2 fixtures and hold in the maximum 1
1 manifold pressure button on the circuit board. Please call Noritz for details.
L
15
----------- WARNING ------- ---,
Pressure Test
The appliance and its gas connections must be leak tested before placing the appliance in operation.
The appliance must be isolated from the gas supply piping system by closing its individual manual
shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to
or less than '/z psig (3.5 kPa). We do not recommend pressure testing in excess of 1/2 psig (3.5kPa).
If it must be done, the appliance and its individual shutoff valve must be completely disconnected
' from the gas supply piping system during the test process. '
Pipe Sizing/Flexible Connectors
A gas shutoff valve must be installed on the supply line. Gas flex lines are not recommended unless
the minimum inside diameter is 3/" or greater and the. rated capacity of the connector is equal to
or greater than the BTU capacity of the water heater. Gas piping shall be in accordance with local
utility company requirements and/or in the absence of local codes, use the latest edition of National
' Fuel Gas Code (NFPA54GC), ANSI 2223.1. Size the gas line according to total btuh demand of the
' building and length from the meter or regulator so that the following supply pressures are available '
' even at maximum demand. '
Natural Gas Supply Pressure LP Gas Supply Pressure
Min 4" WC Min 8" WC
Max 10.5" WC Max 14" WC
Reference Tools & Sample Calculations
----------- ICAUTION-----------,
1 The tables and samples below are for reference only. The professional sizing and installing the gas 1
line should always run the appropriate calculations before all installations.
Which Table to Use
• For NG installations with the initial supply pressure at point of delivery (at the meter, for example) is
less than 8" WC, use the 0.5" WC pressure drop table (Table 1).
• For NG installations with the initial supply pressure at point of delivery is greater than or equal to 8"
WC, use the 3.0" pressure drop table (Table 2).
• For all LP installation use (Table 3)
The inlet pressure must be at least 5" WC for NG or 8" WC for LP for all appliances in the gas.system.
If the inlet gas pressure drops below 5" WC for NG or 8" WC for LP, the heater may continue to operate,
but the other appliances in the house may experience flame loss or ignition failure, which can result in
gas leakage into the home. Refer to the.NFPA 54 for details.
Please contact Noritz for details. For corrugated stainless steel tubing (CSST). capacity tables, please
consult with the manufacturer.
16
Table 1. For Less than 8" WC initial supply pressure
Maximum Natural Gas Delivery Capacity (0.5" Pressure Drop) [Schedule 40 Metalic Pipe]
Values in Table are in Cubic Feet of Gas per Hour (0.60 Specific Gravity, 0.5" Pressure Drop, inlet pressure less than 2psi). Contact your gas
supplier for BTU/Cubic Foot ratings. For simplification of your calculations, 1 Cubic Foot of Gas is approximately equivalent to 1000 BTU.
Sample Gas Line
Noritz Condensing Tanldess Gas Water Heater
(120,000 Bluh) Barbecue
Outlet E (50,000 Btuh)
Clothes Dryer Outlet A
10'(3m) (35,000 Btuh)
Outlet C I I
0' (3m)
5' (1.5m)
Section 4 Section 3 Section 2 I Section 1
_5'(1.5m)_ .5'(1.Sm). _5'(1.5m)_ _10'(3m) _
5'
Outlet D I Outlet B '
10' (3m) Gas Fireplace P Gas Range Stove
(25,000 Bluh) (65,000 Btuh)
Natural Gas
Meter
Instructions
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter
2. Size each section of the main line using the length to
the furthest outlet and the Btuh required by everything
after that section.
Sample Calculation - (Using 0.5" WC Pressure Drop Table)
Outlet A: 45'(13.5m) (Use 50'(15m)), 50,000 Btuh requires 1/2"
Outlet B: 40'(12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 3/4"
Outlet C: 30'(9m), 35,000 Btuh requires 1/2"
Section 2: 45'(13.5m) (Use 50'(15m)), 150,000 Btuh requires 3/4"
Outlet D: 25'(7.5m) (Use 30'(9m)), 25,000 Btuh requires 1/2"
Section 3: 45' (13.5m) (Use 50' (15m)) 175,000 Btuh requires 1"
Outlet E: 25'(7.5m) (Use 30'(9m)), 120,000 Btuh requires 3/4"
Section 4: 45' (13.5m) (Use 50' (15m)), 295,000 Btuh requires 1 1/4"
Table 2. For 8" WC -10.5" WC initial supply pressure
Maximum Natural Gas Delivery Capacity (3.0" Pressure Drop) [Schedule 40 Metalic Pipe]
Length
includin
fittings)
Pipe
Size
10'
Pipe
Size
10'
20'
30'
40'
50'
60'
70'
80'
90'
100'
125'
6m
3m
6m
9m
12m
15m
18m
21 m
24m
27m
30m
38m
3/4"
360
247
199
170
151
137
126
117
110
104
92
1"
678
466
374
320
284
257
237
220
207
195
173
11/4"
1,390
957
768
657
583
528
486
452
424
400
355
11/2"
1 2,090
1,430
1 1,150
985
873
791
728
677 1
635
600
532
2"
4,020
2,760
2,220
1,900
1,680
1,520
1,400
1,300
1,220
1,160
1,020
21/2"
6,400
4,400
4,400
3,020
2,680
2,430
2,230
2,080
1,950
1,840
1,630
3"
11,300
7,780
7,780
5,350
4,740
4,290
3,950
3,760
3,450
3,260
2,890
4"
23,100
15,900
12,700
10,900
9,660
8,760
8,050
7,490
7,030 1
6,640
5,890
Values in Table are in Cubic Feet of Gas per Hour (0.60 Specific Gravity, 0.5" Pressure Drop, inlet pressure less than 2psi). Contact your gas
supplier for BTU/Cubic Foot ratings. For simplification of your calculations, 1 Cubic Foot of Gas is approximately equivalent to 1000 BTU.
Sample Gas Line
Noritz Condensing Tanldess Gas Water Heater
(120,000 Bluh) Barbecue
Outlet E (50,000 Btuh)
Clothes Dryer Outlet A
10'(3m) (35,000 Btuh)
Outlet C I I
0' (3m)
5' (1.5m)
Section 4 Section 3 Section 2 I Section 1
_5'(1.5m)_ .5'(1.Sm). _5'(1.5m)_ _10'(3m) _
5'
Outlet D I Outlet B '
10' (3m) Gas Fireplace P Gas Range Stove
(25,000 Bluh) (65,000 Btuh)
Natural Gas
Meter
Instructions
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter
2. Size each section of the main line using the length to
the furthest outlet and the Btuh required by everything
after that section.
Sample Calculation - (Using 0.5" WC Pressure Drop Table)
Outlet A: 45'(13.5m) (Use 50'(15m)), 50,000 Btuh requires 1/2"
Outlet B: 40'(12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 3/4"
Outlet C: 30'(9m), 35,000 Btuh requires 1/2"
Section 2: 45'(13.5m) (Use 50'(15m)), 150,000 Btuh requires 3/4"
Outlet D: 25'(7.5m) (Use 30'(9m)), 25,000 Btuh requires 1/2"
Section 3: 45' (13.5m) (Use 50' (15m)) 175,000 Btuh requires 1"
Outlet E: 25'(7.5m) (Use 30'(9m)), 120,000 Btuh requires 3/4"
Section 4: 45' (13.5m) (Use 50' (15m)), 295,000 Btuh requires 1 1/4"
Table 2. For 8" WC -10.5" WC initial supply pressure
Maximum Natural Gas Delivery Capacity (3.0" Pressure Drop) [Schedule 40 Metalic Pipe]
Values in Table are in Cubic Feet of Gas per Hour (0.60 Specific Gravity, 3.0" Pressure Drop, 8.0" WC or greater supply pressure, inlet
pressure less than 2psi). Contact your gas supplier for BTU/Cubic Foot ratings. For simplification of your calculations, 1 Cubic Foot of
Gas is approximately equivalent to 1000 BTU.
Sample Gas Line Instructions
Noritz Condensing Tankless Gas Water Healer
(120.000 Btuh) Barbecue
Outlet E I (50,000 Btuh)
Clothes Dryer Outlet
A
10' (3m) (35.000 Bluh)
Gullet C (5 ' (1.Sm)
10' (3m)
Section 4 Section 3 Section 2 I Section 1
_5'(1.5m)_ _5'(1.5m)_ _5'(t.5m)_ _10'(3m)
I
5' (1.5m) 5' (1.5m)
Outlet D I Outlet B
F
3m) Gas Fire lace
P Gas Range Stove
(25,000 Bluh) (65.000 Bluh)
Natural Gas
Meter
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter
2. Size each section of the main line using the length to
the furthest outlet and the Btuh required by everything
after that section.
Sample Calculation (Using 3.0" WC Pressure Drop Table)
Outlet A: 45'(13.5m) (Use 50'(15m)), 50,000 Btuh requires 1/2"
Outlet B: 40'(12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 1/2"
Outlet C: 30' (9m), 35,000 Btuh requires 1/2"
Section 2: 45'(13.5m) (Use 50' (15m)), 150,000 Btuh requires 1/2"
Outlet D: 25'(7.5m) (Use 30'(9m)), 25,000 Btuh requires 1/2"
Section 3: 45'(13.5m) (Use 50' (15m)), 175,000 Btuh requires 1/2"
Outlet E: 25'(7.5m) (Use 30' (9m)), 120,000 Btuh requires 1/2"
Section 4: 45'(13.5m) (Use 50' (15m)), 295,000 Btuh requires 3/4"
17
Length (including fittings)
Pipe
Size
10'
20'
30'
40'
50'
60'
70'
80'
90'
100'
125'
3m
6m
9m
12m
15m
18m
21 m
24m
27m
30m
38m
1/2"
454
312
250
214
190
172
158
147
138
131
116
3/4"
949
652
524
448
397
360
331
308
289
273
242
1"
1,787
1,228
986
844
748
678
624
580
544
514
456
11/4"
3,669
2,522
2,025
1,733
1,536
1,392
1,280
1 1,191
1,118
1,056
936
11/2"
5,497
3,778
3,034
2,597
2,302
2,085
1,919
1,785
1,675
1,582
1,402
2"
10,588
7,277
5,844
5,001
4,433
4,016
3,695
3,437
3,225
3,046
2,700
21/2"
16,875
11,598
9,314
7,971
7,065
6,401
5,889
5,479
1,540
4,856
4,303
3"
29,832
20,503
16,465
14,092
12,489
11,316
10,411
9,865
9,087
8,584
7,608
4"
43678
30,020
24,107
20,632
18,286
16,569
15,243
14,181
1 13,305
1 12,568
11,139
Values in Table are in Cubic Feet of Gas per Hour (0.60 Specific Gravity, 3.0" Pressure Drop, 8.0" WC or greater supply pressure, inlet
pressure less than 2psi). Contact your gas supplier for BTU/Cubic Foot ratings. For simplification of your calculations, 1 Cubic Foot of
Gas is approximately equivalent to 1000 BTU.
Sample Gas Line Instructions
Noritz Condensing Tankless Gas Water Healer
(120.000 Btuh) Barbecue
Outlet E I (50,000 Btuh)
Clothes Dryer Outlet
A
10' (3m) (35.000 Bluh)
Gullet C (5 ' (1.Sm)
10' (3m)
Section 4 Section 3 Section 2 I Section 1
_5'(1.5m)_ _5'(1.5m)_ _5'(t.5m)_ _10'(3m)
I
5' (1.5m) 5' (1.5m)
Outlet D I Outlet B
F
3m) Gas Fire lace
P Gas Range Stove
(25,000 Bluh) (65.000 Bluh)
Natural Gas
Meter
1. Size each outlet branch starting from the furthest
using the Btuh required and the length from the meter
2. Size each section of the main line using the length to
the furthest outlet and the Btuh required by everything
after that section.
Sample Calculation (Using 3.0" WC Pressure Drop Table)
Outlet A: 45'(13.5m) (Use 50'(15m)), 50,000 Btuh requires 1/2"
Outlet B: 40'(12m), 65,000 Btuh requires 1/2"
Section 1: 45' (13.5m) (Use 50' (15m)), 115,000 Btuh requires 1/2"
Outlet C: 30' (9m), 35,000 Btuh requires 1/2"
Section 2: 45'(13.5m) (Use 50' (15m)), 150,000 Btuh requires 1/2"
Outlet D: 25'(7.5m) (Use 30'(9m)), 25,000 Btuh requires 1/2"
Section 3: 45'(13.5m) (Use 50' (15m)), 175,000 Btuh requires 1/2"
Outlet E: 25'(7.5m) (Use 30' (9m)), 120,000 Btuh requires 1/2"
Section 4: 45'(13.5m) (Use 50' (15m)), 295,000 Btuh requires 3/4"
17
Table 3. Maximum Undiluted Propane (LP) Delivery Capacity in Thousands of
BtuH (0.5" WC Pressure Drop) [Schedule 40 Metalic Pipe]
For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
------------ CAUTION --------=--,
Final Check
' When the installation is complete, verify that inlet gas pressure for the entire gas system does not '
' drop below 5" WC for NG or 8" WC for LP at all appliances. This can be tested by turning on all
gas burning appliances including the water heater, then check the inlet pressure at each appliance
to verify all appliances are receiving a minimum of 5" WC for NG or 8" WC for LP. If all appliances
are not receiving the minimum inlet pressure the gas piping system may need to be changed.
th
includin
fittin s
PipeLen
10'
20'
30'
40'
50'
60'
70'
80'
90'
100'
125'
150'
200'
Size
3m
6m
9m
( )
12m
15m
18m )
21 m
24m
27m
(30m)
(38m)
(45m
60m
1/2"
275
189
152
129
114
103
96
89
83
78
69
63
55
3/4"
567
393
315
267
237
217
196
185
173
162
146
132
112
1"
1,071
732 1
590
504
448
409
378
346
322
307
275
252
213
11/4"
2,205
1,496
1,212
1039
913
834
771
724
677
630
567
511
440
11/2"
3,307
2,299
1,858
1,559
1,417
1,275
1,181
1,086
1,023
976
866
787
675
2"
6,221
4,331
3,465
2,992
2,646
2,394
2,205
2,047
1,921
1,811
1,606
1,496
1,260
For reference only. Please consult gas pipe manufacturer for actual pipe capacities.
------------ CAUTION --------=--,
Final Check
' When the installation is complete, verify that inlet gas pressure for the entire gas system does not '
' drop below 5" WC for NG or 8" WC for LP at all appliances. This can be tested by turning on all
gas burning appliances including the water heater, then check the inlet pressure at each appliance
to verify all appliances are receiving a minimum of 5" WC for NG or 8" WC for LP. If all appliances
are not receiving the minimum inlet pressure the gas piping system may need to be changed.
'" <ry s �,„ + a '^ , �' } Installafion and Service mus b erformed b a qualified lumber, Iti the
a� ■ • w a%. P Y 4. P y, ti Y
1:119 1 i6Om" " ''e, , of Massachusetts this, product must be installed bya licensed �
yWa to r P i p n g plumber or gas ftte� m accordance -with the Massachusetts. Plumbing and Fuel
a` Gas Code 248 CMR. Sections 2 00 and 5 Ol) Observe; all a livable codes. 'r
1'4PP
This appliance is suitable for combination potable water and space heating applications. It cannot be used for space
heating applications only. Do not use this appliance if any part has been underwater. - Immediately call a qualified
service technician to inspect the appliance and replace any part of the control system and gas control which has
been under water. ;
If the water heater is installed in a closed water supply system, such as one having a backflow preventer in the
cold water supply line, means shall be provided to control thermal expansion. Contact the water supplier or a local .
plumbing inspector on how to control this situation.
-A pressure relief valve must be installed near the hot water outlet that is rated in accordance with and complying
with either The Standard for Relief Valves and Automatic Shutoff.Devices for Hot Water Supply Systems, ANSI
Z21.22, or The ANSUASME Boiler and -Pressure Vessel,Code, Section IV (Heating Boilers).,.This pressure relief
valve must be capable of an hourly, Btu rated temperature steam discharge of 120,000 Btuh. Multiple valves may be
used. The pressure relief capacity must not exceed 150 psig. No valve shall be placed between the relief valve and
the water heater. The relief valve must be installed such that the discharge -will be conducted to a suitable place for
disposal when•relief occurs. No reducing coupling or other restriction may be installed in the discharge line. The
discharge line must be installed to allow complete drainage of both the valve and the line. If this unit is installed with
a separate storage vessel, the separate vessel must have its own temperature and pressure relief valve. This valve
must also comply with The Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply
Systems, ANSI Z21.22. (in the U.S. only). A temperature relief valve is not required, but if one is used, do not install
-the valve with the probe directly in the flow of water. This may cause unwarranted discharge of the valve.
Piping and components connected to the water heater shall be suitable for use with potable water.
Toxic chemicals, such as those used for boiler treatment, shall not be introduced into the potable water.
A water heater used to supply potable water may not be connected to any heating system or components previously
.used with a nonpotable water heating appliance.
When water is required in one part of the -system at a higher temperature than in the rest of the system,' means
such as a mixing valve shall be installed to temper the water to reduce the scald hazard. ,
• Flush water through the pipe to clean out metal powder, sand and dirt before connecting it.
• Perform the following insulation measures for prevention of freezing.
- Take appropriate heat insulation measures (e.g., wrapping with heat
insulation materials, using electric heaters) according to the climate
of the region to prevent the pipe from freezing. Insulate the water
- Make sure that there are no water leaks from the cold and hot water supply valve completely.
supply pipes, then insulate the pipes completely. A
oonot cover the water
- Be sure toalso completely insulate the water supply valve andthe drain plug with insulation
cold and hot water connections on the water heater (refer to the figure completely insulate so that water in the pipe
-
on the right). the water inlet and /can can be drained.
outlet fittings. \ 't
- Do not cover the water drain plug with insulation so that water in the "1
pipe can be drained. (Refer to the figure in the right.)
• Use a union coupling or flexible pipe for connecting the pipes to reduce the force applied to the piping.
• Do not use piping with a diameter smaller than the coupling.
• When feed water pressure is too high, insert a depressurizing valve,.or take water hammer prevention measure.
• Avoid using joints as much as possible to keep the piping simple.
• Avoid piping in which an air holdup can occur.'
• If installing the unit on a roof:
• About lower -level hot water supply -
If the unit is installedon a roof to supply water to the levels below, make sure that the water pressure supplied
to the unit does not drop below 29 psi. It may be necessary to install a pump system to ensure that the water
pressure is maintained at this level.
Check the pressure before putting the unit into operation.
Failure to supply ,the proper pressure to the unit may result in noisy operation, shorter lifetime of the unit, and
may cause the unit to shut down frequently.
19
Supply water piping
• Do not use PVC, iron, or any piping which has been
treated with chromates, boiler seal or other chemicals.
• Mount a check valve and a shut off valve (near the inlet).
• In order for the client to use the water heater
comfortably, 98.1 to 491 kPa (14 to 70 PSI) of
pressure is needed from the water supply.
Be sure to check the water pressure. If the
water pressure is low, the water heater cannot
perform to its full capability, and may become a
source of trouble for the client.
Drain piping
• Expansion water may drop from the pressure
relief valve and wet the floor.
If necessary, provide drain piping or use a drain
hose to remove the water.
Freeze Prevention
Hot water piping
• Do not use lead, PVC, iron or any piping which
has been treated with chromates, boiler seal or
other chemicals.
• The longer the piping, the greater the heat loss.
Try to make the piping as short as possible.
• Use mixing valves with low water resistance.
Use shower heads with low pressure loss.
• If necessary, use a pump or other means to ensure
that the supply water pressure to the inlet of
the heater does not fall below 29 PSI when the
maximum amount of water is being demanded.
Also install a pressure meter on the inlet. If this
is not done, local boiling will occur inside the
water heater causing abnormal sounds and
decreasing the durability of the heat exchanger.
• Do not install the water heater in a place where the inside/outside temperature is below 32°F (0°C).
• Freezing is prevented within the device automatically unless the outside temperature without wind
is below 32°F (0°C).
" The room temperature must be greater than 32°F (0°C)
to prevent freezing and the room inside must not have negative pressure.
• The freeze prevention heaters will not prevent the plumbing external to the unit from freezing.
Protect this plumbing with insulation, neat tape or electric heaters, solenoids, or pipe covers.
• In order for the freeze prevention heaters to operate, the water heater must have power at all times.
Damage to the water heater as a result
of the below is not covered by the Noritz
America Limited Warranty.
• Water in excess of 12 gpg (200mg/L) of
hardness
• Poor water quality (see table to the right)
wt
Total Hardness"
: 200 mg/L (12 gpg) or less
Aluminum
: 0.05 to 0.2 mg/L or less
Chloride
: 250 mg/L or less
Copper
: 1 mg/L or less
Iron
: 0.3 mg/L or less
Manganese
: 0.05 mg/L or less
pH
.6.5-8.5
Total Dissolved Solids : 500 mg/L or less
Zinc : 5 mg/L or less
Sulfate ion : 250 mg/L or less
Residual chlorine 4 mg/L or less
Maximum limit suggested by Noritz.
Water Treatment
If this water heater will be installed in an application where the supply water is hard, the water must be
treated with either the Noritz H2FIow or ScaleShield or a water softener. Refer to the below tables for
suggested treatment and maintenance measures to be taken based on the water hardness level. If this
water heater will be installed in an application where the supply water is hard, Scale Build-up may cause
damage to the Heat Exchanger. In this case, this water heater detects Scale Build-up in the Heat
Exchanger and then the error code "c *#"* will flash in the Display Window. When the error code "C *#'*
is displayed, the Heat Exchanger needs to be flushed, to prevent damage from Scale Build-up. Refer to the
"Procedure for flushing the Heat Exchanger" on page 22 ,or contact Noritz America for more information.
(http://support.noritz.com/ or 866-766-7489)
*=1, 2, 3, 4,F
# = 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, C, d, E, F
Damage to the water heater as a result of the items below is not covered by the Noritz America Limited
Warranty.
• Water in excess of 12 gpg (200mg/L) of hardness
• Poor water quality (See the Water Quality List on page 20.)
• The water heater has displayed a "Cerror code indicating Scale Build-up, but the heat exchanger
has not been flushed.
Note: Water softeners may be regulated by the local water jurisdiction, consult with the manufacturer for
code, sizing, and installation guidelines-, the below diagram is for reference only. For more information
about H2FIow and ScaleShield, contact Noritz America at http://support.noritz.com/ or 866-766-7489.
Residential Use Treatment Guidelines
Type of Water
I Hardness Level
Treatment Device*
I Flush Frequency**
Soft
017m-1 gg
None
None
(0- L)
ry
Slightly Hard
gpg/L) pg
None
None
(17-5
Moderately
3-7 gpg
H2FIow or
Once a Year*** or
Hard
1 (51-120 mg/L)
ScaleShield
Flashing the error code****
Hard
7-10 gpg
H2FIow or
Once a Year— or
(120-171 mg/L)
ScaleShield
Flashing the error code****
Very Hard
10-12 gpg
H2FIow or
Once a Year'** or
(120-200 mg/L)
Water Softener
Flashing the error code****
Extremely
> 12 gpg
H2FIow or
Once a Year*** or
Hard
I (> 200 mg/L)
Water Softener
Flashing the error code***'
When selecting a treatment device, you must
consult with the device's spec sheet and
installation manual for guidelines and limitations.
Not all water supplies are compatible -
a water test may be required.
Install Noritz Isolation Valves to allow for Flushing.
Flushing is required if a water treatment
device is not installed.
The error code "CSI-#" will be Flashing in the
Display Window.
=1, 2, 3, 4,F
# = 1, 2, 3, 4, 5, 6, 7, 8, 9, A, b, C, d, E, F
Hot Water to Fixtures Water Treatment System
Pressure
Relief Shutoff Valve Shutoff Valve
Valve pQ
Cold to Water City Water Supply
Heater
Drain
NORITZ
Condensing
Tankless Gas Optional Sediment
Water Heater Filter
0
0
0
i�
0
0
0
ED Water Treatment Device
eo„19
♦The illustration is an example. Please check with the actual water heater about the position of piping, and form. 2
Procedure for Flushing the Heat Exchanger
This procedure is only intended for use by a qualified service professional or authorized Noritz
Service Representative. Any unauthorized use of this procedure may result in voiding the
warranty.Please contact Noritz America (866-766-7489) for additional support.
If the error code "C*# *-C*# *" is flashing on the Display Window, it means there is Scale Build-up
in the Heat Exchanger.The Heat Exchanger needs to be flushed** to remove the Scale Build-up.
Damage to the water heater due to Scale Build-up is not covered by the water heater's warranty.
To clear the error code "C*# *-C*# *", the Heat Exchanger must be flushed.
If the error code "C*#*" is displayed and flashing in the Display Window, please contact Noritz
America. (866-766-7489)
**=1, 2, 3, 4,F
#=1,2,3,4,5,6,7,8,9,A,b,C,d,E,F
** Connect the "blue connector" for flushing on the Circuit Board when flushing the Heat Exchanger.
After connecting it, the water heater is set to "Flushing Mode".
The water heater must remain connected to electrical power
when flushing the Heat Exchanger.
<1.The preparation of the flushing system >
1. Close the gas supply valve.
2. Close the water inlet valve (V1) and the water outlet valve (V2).
3. Connect the one drain hose (H1) to the drain valve (V3), and then the other to the circulating
pump.
4. Connect the drain hose (H2) to the circulating pump.
5. Connect the drain hose (H3) to the drain valve (V4).
6. Pour 4 gallons or more of flushing solution*** into the bucket.
***Noritz recommends "White Vinegar".
7. Place the both drain hoses (H2 and H3) into the bucket filled with the flushing solution.
Flu
So
22
Isolation valves**** are necessary for
flushing the Heat Exchanger. I __
Water Water
Outlet Inlet
----#-----; ------------
I
Gas
Supply
Isolation valves may be purchased as an accessory from an authorized Noritz wholesaler.
They allow for full diagnostic testing and easy flushing of the system.
Contact Noritz America for more information. (866-766-7489)
connect
<2. Flushing the Heat Exchanger >
1. Open the Front Cover.
2. Connect the "blue connector**"' for flushing on the Circuit Board.
ConnectE I
;,LUSH
""The connector is located behind
the Circuit Board Plastic Cover.
The connector color is blue and
labeled "FLUSH".
3. Then the code "CCC" is displayed on the Data Display.
i
►_ 1 1
00
0
Data
Display
4. Turn on the circulating pump to circulate the flushing solution through the water heater
for 1 hour at a rate of 1.5 gallons per minute or more.
5. The code "C60" is displayed on the Data Display when the water heater detects the flow of the
flushing solution.
When 1 minute passes, the code "C60" will change to "C59" on the Data Display.
Detects the flow 1 minute passes
1 1_ I_ � I_ I 1 1_I � I_ 1 3
Please check whether the reverse connection of the hose (141) and (1-13) if the display number will not change.
In that case, the flow rate of the flushing solution may be under 1.5 gallons per minute.
6. When 1 hour passes, the code "C00" is flashing on the Data Display.
Do not disconnect the "blue connector for flushing" on the Circuit Board.
I 1-1 11
— Flashing
7. Turnoff the circulating pump.
<3. Cleaning the Heat Exchanger >
The flushing solution needs to be rinsed and cleaned out of the water heater.
Below is the way to rinse and clean the flushing solution.
1. Remove both drain hoses (1-12 and 1-13) from the bucket. And then place the drain hose (1-13)
into the sink or outside to drain.
2. Close the drain valve (V3) and then open the water inlet valve (V1).
Do not open the fresh water outlet valve (V2).
3. Clean the water heater with fresh water for 3 minutes or more.
(Needs to have enough time to clean the water heater.)
4. Close the drain valve (V4) and then remove the drain hose (1-13)
from the drain valve (V4).
5. Remove the drain hose (1-11) from the drain valve (V3).,
6. Disconnect the "blue connector for flushing" on the Circuit Board.
The code "C00" goes out on the Data Display.
7. Close the Front Cover.
Disconnect
8. Open the gas supply valve and water outlet valve (V2). The gas water heater can not operate
if the "blue connector" for flushing is
9 Check for correct operation of the water heater. connected.
Please contact Noritz America if more information is needed for flushing.
(Phone #: 866-766-7489)
10
Gond,nsate Pi inp
g
! CAUTION
,s
Due to the acidic nature of the condensate, be sure to properly drain and if necessary, treat the
condensate prior to disposal. Damage caused by improperly handled condensate is not covered
by the warranty.
• This water heater is a high efficiency, fully condensing appliance which produces acidic condensate
during operation. The water heater incorporates a collection and removal system which must be properly
drained in order to ensure proper operation of this appliance.
• The pH level of the condensate is approximately 2-3. An external neutralizer must be installed on the
drain piping prior to disposal when required by local code or when the condensate could cause damage.
• If an external neutralizer is installed, periodic replacement of the neutralizing agent will, be ;required.
Refer to the instructions supplied with the neutralizer for suggested replacement intervals. 'F
• In order to drain the condensate, a 1/2" threaded fitting is provided at the base of the water heater.
Do not reduce the size of this fitting or the drain piping to less than 1/2".
In cold climates, do not drain the condensate to the outdoors. If the drain pipe freezes during cold -
weather, the pipe will not drain condensate and the unit will stop operating.
• Use plastic pipe, such as PVC, for the drain line. Do not use steel, black iron, or any other material
which can corrode when placed into contact with acidic condensate. .
• Keep the length of the drain pipe as short as possible. Long runs or applications where the nearest
drain is above the water heater will require the use of a condensate pump. Size the pump to allow for
a maximum condensate discharge of 0.8 GPH (3L/hr) from.the water heater.
• Horizontal runs must be sloped 1/4" per foot towards the drain or condensate pump. The condensate
will be discharged by gravity force only. Make the drainpipe run as short as possible.
• The end of.the drain pipe must not be submerged in water or blocked in any way. To ensure proper
drainage, leave the end of the drain pipe open to the atmosphere. -Do not have a trap., Also, make
sure that there are no obstructions blocking the drain line from discharging condensate.
• Be sure to check that condensate is freely flowing from the drain piping after the systern'(has been
installed. Condensate will begin flowing out of the water heater within 15 minutes after operation has
started. • -
• Take measures to prevent the condensate drain lines from freezing (insulation, heat tape, electric
heaters, etc.). �a
71
Water heater
Drain connecting
■ Do not pitch the drain line up
once a horizontal section has
been introduced.Always pitch
the drain line down to ensure
proper drainage.
♦The illustration is an example. Please check with the actual water heater about the position of piping, and form.
Condensate -piping to floor drain
Condensate piping with pump
N_Dis la window
Dis la window
• USE NON -CORROSIVE MATERIALS
SE NON -CORROSIVE MATERIALS
c
• DO NOT REDUCE TO LESS THAN 1/2"
L -DO
W.•c NOT REDUCE TO LESS THAN 1/2"
• KEEP AS SHORT AS POSSIBLE
EEP AS SHORT AS POSSIBLE
7/2" PVC pipe
1/2" PVC pipe
DO NOT ADD
DO NOT INSERT
/
DO NOT ADD `
ANY VALVES
� THE END OF
ANY VALVES
`—' DRAIN PIPE INTO
� THE FLOOR DRAIN
X 3/8" IDiubin
S�4peep,ipe do- a
Slope pipe downwards
or
or more
' MAINTAIN CLEARANCE
1/4 er toot. or more. Condensate um
Floor drain
The end of the drain pipe must
have an air gap. 1" or more.
The end of the dr ain pipe must
/
have an air oaD. 1" or more. "......,........,. •., .....�..
Note:
If the drain line becomes clogged or frozen, condensate will back-up into the water heater and a "29"
error code will flash on the Display Window, ceasing operation. If this occurs, clear the clog or freeze
so that condensate can freely flow. Be sure to slope the drain pipe, use the appropriate size pipe, allow
the proper clearances, and apply freeze prevention measures (when necessary) to_prevent the drain
line from clogging or freezing.
•
•
♦The illustration is an example. Please check with the.actual water heater about the position of piping, and form. 25
&Plumki� "A 35Im
H
�i
&Plumki� "A 35Im
H
11vs
t Fixtures
n
Eons
(Install according
to local code)
Gas Supply
Isolation
Kit(' 3 )
al.__�
Pump('1)
Optional 8-10 Gallon Va
a
t Storage Tank
• (To alleviate cold water sandwich) �j
Aquastat Wiring ,
Hot Water - Use Honeywell Aquastat,
(Model L6006A or L6006C)
Combination Potable. Water and Space Heating System
-----------------------------------------...:........
F If the Air Handler does not control the water flow automatically, the Scale detection feature will not work!
Notes
.r
1. Norilz recommends the use of an Isolation Kit with
the installation. b
These kits include an integrated shut-off and service
valve with unions and a pressure relief valve.
Air Handler 2. Size the pump to provide a maximum of 2 GPM
(7.5 Umin.) with a head pressure equal to the loss
o through the water heater and Air Handler,
o 3. Check valve required if it is not included with the pump.
- 4. Set the Flow switch to deactivate the Air Handler when
= the domestic hot water flow reaches 2 GPM (7.5 Umin.).
o Adjust as necessary to prevent cycling.
O 5. If the system requires water for space heating at a higher
temperature than for other uses, means such as a
mixing valve shall be provided to temper the water for
Pum 2 ---- the other uses to help prevent scalding. '!
6. Expansion lank required if a backflow preventer is installed.
7. The water heater cannot be used for space heating
•Check I applications only. '1
Isolation__ :J. O Valve('3) i 8. Only POTABLE water may be plumbed through
Kit(- 3) Gas Supply * r ; the water heater.
__ __ Flow Switch('4) Backflow Prev enter l
(optional) Cold Water
OptionalSupply
ExpansionTank(,6)
Mixing Valve('5)
Hot Water. - Fixtures
26 ♦The illustration is an example. Please check with the actual water heater about the position of piping, and form.
H
Cold Water Supply
t Fixtures
Expansion Tank
(Install according
to local code)
Gas Supply
Globe i
stat('2)n
Valve I
al.__�
Pump('1)
Optional 8-10 Gallon Va
a
t Storage Tank
• (To alleviate cold water sandwich) �j
Aquastat Wiring ,
Hot Water - Use Honeywell Aquastat,
(Model L6006A or L6006C)
Combination Potable. Water and Space Heating System
-----------------------------------------...:........
F If the Air Handler does not control the water flow automatically, the Scale detection feature will not work!
Notes
.r
1. Norilz recommends the use of an Isolation Kit with
the installation. b
These kits include an integrated shut-off and service
valve with unions and a pressure relief valve.
Air Handler 2. Size the pump to provide a maximum of 2 GPM
(7.5 Umin.) with a head pressure equal to the loss
o through the water heater and Air Handler,
o 3. Check valve required if it is not included with the pump.
- 4. Set the Flow switch to deactivate the Air Handler when
= the domestic hot water flow reaches 2 GPM (7.5 Umin.).
o Adjust as necessary to prevent cycling.
O 5. If the system requires water for space heating at a higher
temperature than for other uses, means such as a
mixing valve shall be provided to temper the water for
Pum 2 ---- the other uses to help prevent scalding. '!
6. Expansion lank required if a backflow preventer is installed.
7. The water heater cannot be used for space heating
•Check I applications only. '1
Isolation__ :J. O Valve('3) i 8. Only POTABLE water may be plumbed through
Kit(- 3) Gas Supply * r ; the water heater.
__ __ Flow Switch('4) Backflow Prev enter l
(optional) Cold Water
OptionalSupply
ExpansionTank(,6)
Mixing Valve('5)
Hot Water. - Fixtures
26 ♦The illustration is an example. Please check with the actual water heater about the position of piping, and form.
t
2? v� '+u �^`..�vf'` � �� 3x'a�' �re �:� 4''a'k4� � 3• yac. 57 $ � ti.}r � �,.i"gr' � t'V `^'K
' -�+ r i ■ ■Rei` ,c:' 's. �.� a
• 3 °. Consult ualified electrician
�1:2 E I e�ctri ca I E Wri ri n%g�`�r for the ele tncal work %,` ¢
This appliance must' be" electrically grounded in accordance with localcodes, or in the absence of local
codes, with the National Electrical Code, ANSI/NFPA 70.`
Caution:' Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing..
'Field wiring to be performed at time of appliance installation.
. ! WARNING
Electrical Shock Hazard
Do not turn power on until electrical wiring is finished. Disconnect power before servicing.
Failure to do so may result in death or serious injury from electrical shock. "
• The electrical supply required.by the water heater is , Do not let the power cord contact
120VAC at 60 Hz. the gas piping.
.The power consumption may be'dp to 212W , r — — — — — — — 7
Use an appropriate circuit. ' Tie the redundant power cord
Do not disconnect the power supply when not in use. When ; outside the water heater. Putting
the power is off, the freeze prevention in the water heater 1 the redundant length of cord inside the
will not activate, resulting in possible freezing damage.' , water heater may cause electrical
interference and faulty operation.
Ground K
To prevent electrical:shock, provide a ground with resistance less,than 100s2. An electrician should
do this works ,
1 Do not connect the ground to the city water or gas piping. Do not tie the ground to a telephone line. 1
16
Breaker Installation
• Mount a device which shuts off the electrical path automatically (leakage breaker) when electrical
leakage is detected. ,
! CAUTION j
Electrostatic discharge can affect electronic components. Take precautions to prevent electrostatic
discharges from personnel or hand tools during the water heater installation and servicing to
protect product's electronic control: �.
r
Adjusting Set Temperature
• This unit can be programmed so that it will default to one of four temperatures if the optional remote
controller is not used [140 OF (60 °C), 135 OF (57 °C), 130 OF (55 °C), 120 OF (50 °C)]. To change the
default temperature, adjust the DIP switches as described below. The default temperature is 120 °F (50 °C).
1. Disconnect electrical power to the water heater.
2. Remove the front cover of the water heater (4 screws).
3. Disconnect the optional remote controller. Adjust the DIP switches as illustrated below
4. Replace the front cover of the water heater (4 screws).
5. Reconnect electrical power to the water heater.
A
Do not change any other DIP switches.
OFF
b6n—
_�
ON
High temperature.
2
120'F (50°C)
Q
130'F (559C)
135°F (579C)
140GF (60t)
ON= 0 OFF= Q
• Applicable Model
Noritz Condensing Tankless Gas Water Heater
Optional remote controller RC -7651 M
09000
*Remarks [125 OF / 55 °C]
L Celsius display mode
Fahrenheit display mode
Install the optional remote controller according to the instructions in the Installation Guide (p. 33).
* Only one remote controller can be connected to the water heater.
A malfunction may occur if two or more remote controllers are connected.
* The water heater has been factory set to allow a maximum temperature setting of [120 OF / 50 °C].
To access higher temperature settings through the optional remote controller, follow the below steps.
<When setting the maximum temperature to [125 -140 OF / 55 - 60 *C]>
1. Turn the water heater off by pressing the Power On/Off Button on the optional remote controller.
2. Press and hold the FLOW METER ALARM SET Button until a sound is heard (2 sec.) and [120 OF / 50 °C]
appears on the display.
3. Set the upper limit of the hot-water supply temperature to [125 OF, 130 OF, 135 OF or 140 OF / 55 °C or 60 °C]
using the UP and DOWN setting Buttons.
4. To put the water heater back into operation, press the Power On/Off Button on the optional remote controller.
To keep the water heater off, let the unit sit for 30 sec. to return to the original display.
---------- 0 DANGER -----------,
When changing the temperature, make sure to confirm with the customer that the temperature of
the hot water will be very high and that there is a risk of scalding.
Hot water heater temperatures over 125 OF (52 °C) can cause severe burns instantly or death
from scalding.
Connecting Remote Controller Cord to Unit
' • Keep the remote controller cord away from the freeze prevention heaters in the unit. '
• Tie the redundant cord outside the water heater. Do not put the extra length inside the equipment.
• The remote controller cord can be extended up to 83' (25m) with 18AWG wire.
• Use a Y type terminal with a resin sleeve. (Without the sleeve, the copper wire may corrode and
cause problems).
1 • Be sure to hand tighten when screwing to the terminal block. Power tools may cause damage to '
the terminal block.
Remote controller cord
• For extensions, a 26'(8m) cord (Part # RC-CORD26) or 10'(3m) cord (Part # RC-CORD10) can be
purchased or use 18AWG wire.
• Install according to the National Electrical Code and all applicable local codes.
1. Disconnect electrical power to the water heater. Remote
2. Leave enough slack so that the remote controller Controller Remote Controller Cord
cord will not be damaged if the unit is removed Terminals - - -� Cord Clamp
from the wall.
3. Remove the front cover of the heater (4 screws). 0• °
4. Pass the remote controller cord through the wiring
throughway and into the unit.
5. Connect the Y terminals at the end of the remote o000 0 0 0 0000
controller cord to the terminal block. Wiring
6. Secure the remote controller cord with a clamp. Throughways
7. Replace the front cover. 18AWG Wire
■Changing Other Features
Adjusting the Temperature Display
Note: The setting must be done within the first 10 minutes of connecting electrical power to the water heater.
Table of Setting Items
ItemNo.
Item Choices (factory defaults shaed)
12
Celsius/Fahrenheit
display mode. F(,Fahrenheit)
k.
°C (Celsius)
■ Remote Controller
UP 17
opRIORRY oBURNERON ® POWER
Display a�/¢
ON/OFF
arc V
DOWN
ALARM SET
Button
Power On/Off Button
Flow Meter Alarm Set buttton
■ Setting Procedure
1. Turn the water heater off by pressing the Power On/Off Button on the remote controller.
2. Disconnect, then reconnect electrical power to the water heater.
3. Press the Flow Meter Alarm Set Button and hold it in for 2 seconds or more.
4. Press the Flow Meter Alarm Set Button until the remote controller displays item number "12".
5. Press Setting Button "A' for 5 seconds or more to change the display units to °F.
6. Press Setting Button "V" for 5 seconds or more to change the display units to °C.
7. To confirm the setting, turn the water heater on by pressing the Power On/Off Button on the
remote controller.
29
30
1
3.
'
1 YI a ' n e n a n C+e
Periodically -check the following to ensure proper
water heater.
operation of,the s
• The venting system must be examined periodically by a qualified service technician to check for
any leaks or corrosion.
• a
• The burner flame must be checked periodically for a proper blue color and consistency.
• If the flame does not appear normal, the burner may need to be cleaned.
• If the burner needs to be cleaned, it must be performed by a qualified service technician. .I.
• Do not obstruct the flow of combustion and ventilation air.
• The pressure relief valve must be operated once a year to ensure that it is functioning properly and
there is no obstruction. Turn the power off to the unit before opening the relief valve, and make sure
that water draining out of the valve will not cause any damage.
• If the relief valve discharges periodically, itmay be due to thermal expansion in a closed water, system.
Contact the water supplier or a local plumbing inspector on how to correct this situation. !'
Do not plug the relief valve.
• See Operation Manual for further maintenance. =i
Warning: There is a scald potential if the output temperature is set too high. ,.
Should overheating occur, or the gas supply fail to shut off, tum off the manual gas control valve to the appliance.
Do not use this appliance if any part has been under water. Immediately call a qualified service technician
to inspect the appliance and to replace any part of the control system and any gas control which has
been underwater.
Periodically check and clean the filter inside the cold water inlet of the unit.
° The installer should test operate the unit,`explain to
`14. Tri a 1 Operation the customer how to use the unit, and give the Owner's
Guide before.leaving;the: installation;
• Preparation ........... (1) Open a hot water, fixture to confirm that water is available, and then close
the fixture.
(2) Open the gas supply valve.
(3) Turn on the power supply.
Using the optional remote controller, turn ori the Power On/Off button (the
Operation lamp will turn on).
(1) Open a hot water fixture and confirm that the Burner On lamp comes on, and that hot water is
being produced. (If necessary, repeat until the air in the gas piping is bled out).
* White smoke may be noticed from the exhaust vent during cold weather. However, this is not a
malfunction of the unit:
* If an "11" error code appears on the Display Window, close a hot water fixture and the6 back
on again, and then open a hot water fixture again.
(2) Using the optional remote controller, change the temperature setting on the remote controlleriand
check that the water temperature changes.
`i
• If the water heater does not operate, normally, refer to "Troubleshooting" in the Owner's Guide.
* After the trial operation, clean the filter in the cold water inlet.
! CAUTION
Handling after trial operation
• If the unit will not be used immediately, close off all gas and water shutoff valves, drain all of
the water out of the unit and the plumbing system to prevent the unit and system from freezing,
and bleed the gas out of the gas line.
Freezing is not covered by the warranty.
11
Z"INWARNING
Ffireplosion may result if these-instructions are not followed, which may cause lose of
al injury or property damage.
Lighting Instructions
This water heater does not have a pilot. It is equipped with an ignition device that automatically lights
the burner.
Do not try to light the burner by.hand.
1. Read the safety information in the installation manual or on the side of the water heater.
2. Turn off all electrical power to the unit.
3. Do not attempt to light the burner by hand.
4. Turn the gas control manual valve (external to the unit) clockwise to the off position.
5. Wait five minutes to clear out any gas. If the smell of gas remains, stop, and follow the instructions
on page 3 of Owner's Guide.
6. Turn the gas control manual valve counterclockwise to the on position.
7. Turn on electric power to the unit.
8.' The unit will now operate whenever hot water is called for. If the unit will not operate, follow the
shutdown instructions and call a service technician.
Shutdown Instructions
1. Stop any water demand.
2. Turn off electric power. '
3. Turn the gas control manual valve clockwise to the off position.
Should overheating occur, or the gas supply fail to shut off, turn off the manual control valve to the appliance.
31
1RAt
"Dim, jisions:r
1
x �
� J
w HOT WATER OUTLET(314"
000.5" 013mm
6X0.24"X0.4"6X 10mm OBLONG HOLE + o
6.7"(1 70mm Cl)
5.5" 140mm WATER DRAIN VALVE
3.9" 100mm 0.4"(10mm)'9.4"(240mm)
nm
E Z—E-14.7"(l 20mm1.4"36mm E E1.0" 25mm FLUE COLL
HEIGHT OF EACH FITTING FROM CASE
HOT WATER OUTLET TOP 1.9"(48mm)
COLD WATER INLET TOP 2,4"(61mm)
CONDENSATE DRAIN BOTTOM 0.8"(20mm)
GAS INLET BOTTOM 2,0"(50mm)
N
AIR INLET "
,
• F
<inch (mm) >
, J
N
AIR INLET "
32
,
<inch (mm) >
17.7" 450mm
r
5.6" 397mm
E + :
2.2" 56mm
n
N
y
rulCOLD
WATERINLET 314"
e
WATER DRAIN VALVE
I�
(WATER FILTER)
18.3" 464mm
17.7" 450mm
ii
• 'J
10.9"(278mm),f
,.
�.
O.D.03.9" 099.5mm
I.D.02.4" 060.8mm
.ti
k
.I
Iw
�
DISPLAY WINDOW -.
32
,
r
•
i
rr • .
y
e
I�
• 'J
.
,.
�.
111' .
.I
32
,
' For Installers:
Optional Remote Controller RC -7651 M Read this installation guide
carefully before carrying out
installation.
Installa-tion Guide.NORITZ AMERICA CORPORATION
r Note --------- ------
Do not connect power to the water heater before the remote controller has been properly installed.
Recommended installation location of the remote controller is in a bathroom. 1
16 J
Included Parts List
Part Name
Quantity
Remote Controller
1
Wall Packing
1
Phillips Roundhead Wood Screw
2
Wall Anchor
2
r � � � � � � � � � � � � 7
IlDo not disassemble the remote controller. 1
Notes on the Installation Location
• The remote should be installed in an easily
accessible location.
• Avoid installing in a place where water or
steam can come into contact with the con-
troller.
• Avoid locations where special chemical
agents (e.g., benzene, fatty and oily deter-
gents) are used.
• Avoid outdoor installation, or installation in
an indoor location where it will be exposed
to direct sunlight.
Wall Packing
Remote Controller
Connecting Wire
Phillips Roundhead
Wood Screw
Wall Anchor
Connection of Remote Controller Cord
White Connector ITO Remote controller
Y-shaped terminals iTo Water heater
(two -core)
" Confirm the connection with the labels at
both ends of the remote controller cord.
• The remote controller cord can be purchased separately.
26'(8m) cord: (Part # RC-CORD26).
10' (3m) cord: (Part # RC-CORD10).
• The remote controller cord can be extended up to 300 ft.
(90m) by splicing the cord and using 18 gauge wire to
extend the cord to the appropriate length.
33
Installation
1. Apply Wall Packing to the rear side of the
3. Remove the cover of the remote control,
remote controller.
mark the location of the screw holes, and
2. Connect the remote controller wires to the
drill holes for the wall anchors.
separate remote controller cord.
4. Insert the wall anchors, screw the 'remote
control to the wall and replace the cover.
Remote
Control
Wires
Wall Packing
Wall Anchor
(take off the paper)
of
Remote Controller Cord Rear Side Remote Controller
Phillips Roundhead
Wood Screw
34