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2

1.

 Included Accessories

The following accessories are included with the unit.
Check for any missing items before starting installation.

Q’ty

Shape

Part

Tapping Screw

 (N-0631S only)

1

each

Part

Shape

Q’ty

5

1

Remote Controller

(See p. 20)

Remote Controller

Cord (10ft)

1

2.

 Optional Accessories

The accessories listed below are not
included with the units, but may be necessary
for installation.

Outdoor Vent Cap

Q’ty

Shape

Part

Part

Shape

Q’ty

1

1

Remote Controller

Cord (26ft)

1

Isolator Exp

(includes pressure

relief valve)

Pipe Cover

1

1

Cross Recess

Head Screw

 (N-0631S-OD only)

Owner's Guide, Warranty,

Installation Manual

(this document)

RB-2

Recess Box

 (N-0631S-OD only)

1

1

Remote Controller

Outdoor

Junction Box

 SAR8584C̲001̲014̲E̲J.p65

06.11.13, 10:10 PM

Page 2

Adobe PageMaker 6.5J/PPC

Summary of Contents for N-0631S

Page 1: ...d the warranty to the customer along with the Owner s Guide WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or...

Page 2: ...Cord 10ft 1 2 Optional Accessories The accessories listed below are not included with the units but may be necessary for installation Outdoor Vent Cap Q ty Shape Part Part Shape Q ty 1 1 Remote Contr...

Page 3: ...s hard acidic or otherwise impure treat the water with approved methods in order to ensure full warranty coverage WARNING CAUTION Check the Gas Check that the rating plate indicates the correct type o...

Page 4: ...places where dust or debris will accumulate 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 i...

Page 5: ...t vent as specified For outdoor installation use the outdoor vent cap If it is necessary to vent above the roof line in an outdoor instal lation also use the base of the vent cap for rain protection A...

Page 6: ...6 Outdoor If possible leave 8 or more on either side of the unit to facilitate inspection If possible leave 24 or more in front of the unit to facilitate maintenance and service if necessary Securing...

Page 7: ...4 Maintain the following clearance from both combustible and non combustible materials indicates the distance when installing a heat insulat ing board incombustible material other than metal with thic...

Page 8: ...k or paved driveway located on public property Under veranda porch deck or balcony 7 M indicates clearances required in Canada Maintain clearances in accordance with local installation codes and the r...

Page 9: ...any building 3 above any forced air inlet within 10 Vent Clearances When Heater is In stalled Outdoors With a Vent Cap All clearance requirements are in accordance with ANSI Z21 10 3 and the National...

Page 10: ...tration For Installations in Canada clearances are as follows To windows doors gravity air inlets 36 To forced air inlets 6 3 1 1 1 Outdoor Clearances to Opening into Any Building 1 below 1 horizontal...

Page 11: ...e transfer of vibration Do not drop or apply unnecessary force to the device when installing Internal parts may be damaged and may become highly dangerous Install the unit on a vertical wall and ensur...

Page 12: ...system Vent Piping Use only UL listed category III vent materials Follow the vent pipe manufacturer s installation instructions Make the vertical section of the exhaust vent as short as possible Main...

Page 13: ...anufacturer s instructions Slope the horizontal vent 1 4 for every 12 to wards the drain tee Do not vent straight upwards Always have a horizontal section of venting Install a condensation drain in th...

Page 14: ...t is installed in a mechanical closet provide a 24 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...

Page 15: ...gas line consult local codes or the National Fuel Gas Code ANSI Z223 1 Natural Gas Meter See next page for the pipe capacity charts Noritz Gas Water Heater 180 000 Btuh Clothes Dryer 35 000 Btuh Barbe...

Page 16: ...ubic Feet per Hour of Natural Gas 0 60 Specific Gravity 0 5 WC Pressure Drop Length in Feet Pipe Size 3 4 1 1 1 4 1 1 2 2 10 20 30 40 50 60 70 80 90 100 150 200 206 383 614 1261 2934 147 269 418 888 2...

Page 17: ...dirt before connecting it 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 f...

Page 18: ...hall be provided to temper the water for the other uses to help prevent scalding For Space Heating Purposes Check Valve Aquastat Aquastat Pump Expansion Tank Install According to Local Codes Optional...

Page 19: ...r supply when not in use When the power is off the freeze prevention in the water heater will not activate resulting in possible freezing damage Do not let the power cord contact the gas piping Tie th...

Page 20: ...utton on the remote controller To keep the water heater off let the unit sit for 30 sec to return to the original display When setting the maximum temperature to 125 160 F 1 Turn the water heater off...

Page 21: ...Part RC CORD26 or use 18AWG wire Install according to the National Electrical Code and all applicable local codes Connecting Remote Controller Cord to Unit Keep the remote controller cord away from th...

Page 22: ...needs to be cleaned it must be performed by a qualified service technician Do not obstruct the flow of combustion and ventilation air The pressure relief valve must be operated once a year to ensure...

Page 23: ...ns 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...

Page 24: ...LD WATER INLET 3 4 GAS INLET 3 4 HOT WATER OUTLET 3 4 UPPER WALL MOUNT BRACKETS LOWER WALL MOUNT BRACKETS BOTTOM OF CASE BOTTOM OF CASE WIRING THROUGHWAYS 7 1 4 3 1 6 GAS INLET 3 4 1 8 1 8 10 5 6 2 HO...

Page 25: ...otes 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 controller Avoid locat...

Page 26: ...ord Phillips Roundhead Wood Screw Wall Anchor 3 Remove the cover of the remote control mark the location of the screw holes and drill holes for the wall anchors 4 Insert the wall anchors screw the rem...

Page 27: ...he wall pipe containing the remote controller wires through the hole 4 Slide the junction box packing and the junction box over the remote controller wires and wall pipe protruding from the outside wa...

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