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15.

 

Dimensions

GAS INLET

COLD WATER INLET

HOT WATER OUTLET

1.8" (45mm)

2.2" (55mm)

2.2" (56mm)

HEIGHT OF EACH FITTINGS
FROM BOTTOM OF CASE

4-Ø0.5" (Ø13mm)

3-0.3" x 0.6" (6.5mm x16.5mm) OBLONG HOLE

2-0.3" x 0.5" (6.5mm x13mm) OBLONG HOLE

4.7" (120mm)

4.7" (120mm)

3.3" (84mm)

3.3" (85mm)

0.4" (10mm)

0.4" (10mm)

9.4" (240mm)

13.2" (336mm)

13.8" (350mm)

Ø4" (Ø100mm)

13.1" (334mm)

1.1" (28mm)

3.7" (95mm)

0.4" (10mm)

0.4" (10mm)

2.4" (60mm)

2.0" (50mm)

24.5" (622mm)

22.3" (567mm)

23.6" (600mm)

2.8" (70mm)

1.6" (41mm)

4-Ø0.5" (Ø13mm)

FLUE COLLAR

AIR INLET

WIRING THROUGHWAY

WATER DRAIN VALVE

(WATER FILTER)

HOT WATER OUTLET

WATER DRAIN VALVE

WIRING THROUGHWAY

(AC120V)

GAS INLET

COLD WATER INLET

< inch (mm) >

(VIEW FROM TOP)

9.5" (241mm)

2.4" (60mm)

1.4" (36mm)

6.1" (155mm)

3.8" (97mm)

6.7" (171mm)

2.0" (50mm)

HOT WATER OUTLET (3/4")

WIRING THROUGHWAY

7.4" (188mm)

10.3" (262mm)

COLD WATER INLET (3/4")

GAS INLET (3/4")

WIRING THROUGHWAY
(AC120V)

Summary of Contents for GQ-2857WX-F US

Page 1: ...instructed in this manual are not covered by the warranty Check that the installation was done properly in accordance with this Installation Manual upon completion After completing installation please...

Page 2: ...the units but may be necessary for installation Quick Connect Cord Q ty Shape Part Part Shape Q ty 1 1 Remote Controller Cord 26ft 8m 1 Isolation Valves includes pressure relief valve Pipe Cover PC 3S...

Page 3: ...tor Cord Connector 3 Quick Connect Multi System Installation The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord Typical Plumbing The Qui...

Page 4: ...line is sized for 199 900 Btuh for this unit Check the Power The power supply required is 120VAC at 60Hz May result in fire or electric shock Use Extreme Caution if Using With a Solar Pre Heater Usin...

Page 5: ...which corrosive gases ammonia chlorine sulfur ethylene compounds acids are present Using the incorrect voltage may result in fire or cracking Avoid installation in places where dust or debris will acc...

Page 6: ...r 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 Be sure to...

Page 7: ...0mm or more on either side of the unit to facilitate inspection If possible leave 24 600mm or more in front of the unit to facilitate maintenance and service if necessary If possible leave 3 75mm or m...

Page 8: ...opane Installation Code 2 In accordance with the current ANSI Z223 1 NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that is located between two s...

Page 9: ...ion 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 ensure that it is level L...

Page 10: ...instructions of the vent manufacturer Appliance Adapters When using a vent system other than N Vent an appliance adapter will be required to properly connect the vent to this appliance Consult the man...

Page 11: ...on is recommended to prevent debris from falling into the water heater Install a condensation drain in the horizontal section of the venting For installations in tight spaces where there is not enough...

Page 12: ...m 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 Supply combustion air to the units as per...

Page 13: ...he installer The installer must be professionally trained to do such work and must always follow all local and national codes and regulations Gas line sizing calculations must be performed for every i...

Page 14: ...length from the meter or regulator so that the following supply pressures are available even at maximum demand WARNING Natural Gas Supply Pressure Min 4 WC Max 10 5 WC LP Gas Supply Pressure Min 8 WC...

Page 15: ...45 13 5m Use 50 15m 175 000 Btuh requires 1 Outlet E 25 7 5m Use 30 9m 199 900 Btuh requires 3 4 Section 4 45 13 5m Use 50 15m 355 000 Btuh requires 1 1 4 Natural Gas Meter Noritz Tankless Gas Water...

Page 16: ...ce 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 CAUTION Pi...

Page 17: ...t 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 o...

Page 18: ...nd decreasing the durability of the heat exchanger Freeze Prevention Freezing is prevented within the device automatically unless the outside temperature without wind is below 30 F 35 C The room tempe...

Page 19: ...ration is an example Please check with the actual water heater about the position of piping and form If this water heater will be installed in an application where the supply water is hard the water m...

Page 20: ...n 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 1 gallon of and gallon water into the bucket Noritz rec...

Page 21: ...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 Remote Controller when the water heater detects the flow of th...

Page 22: ...pply valves and water out let valves 9 Check for correct operation of the water heaters is displayed when the Main Water Heater s bule connector is connected is displayed when the Sub Water Heater s b...

Page 23: ...ve with unions and a pressure relief valve Notes 1 Noritz recommends the use of an Isolation Kit with the installation These kits include an integrated shut off and service valve with unions and a pre...

Page 24: ...icing Field wiring to be performed at time of appliance installation The electrical supply required by the water heater is 120VAC at 60 Hz The power consumption may be up to 262W or higher if using op...

Page 25: ...On Off Button on the remote controller To keep the water heater off let the unit sit for 30 sec to return to the original display This unit can be programmed so that it will default to one of three te...

Page 26: ...the end of the remote controller cord to the terminal block 5 Replace the terminal block cover and install the screw previously removed in step 3 6 Reconnect electrical power to the water heater Exte...

Page 27: ...m a wall circuit to the pump 5 Replace the front cover Pump Wiring This feature is not available when using the Quick Connect Multi System feature Relay connection with larger pumps 85 W 1 Locate and...

Page 28: ...mp Ground wire Connector Use one of the vacant holes Connector Connecting Quick Connect Cord 2 Caution For Quick Connect Multi System Installation use part QC 2 only sold separately Quick Connect Cord...

Page 29: ...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 Do no...

Page 30: ...ower 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 a...

Page 31: ...m 4 100mm 13 1 334mm 1 1 28mm 3 7 95mm 0 4 10mm 0 4 10mm 2 4 60mm 2 0 50mm 24 5 622mm 22 3 567mm 23 6 600mm 2 8 70mm 1 6 41mm 4 0 5 13mm FLUE COLLAR AIR INLET WIRING THROUGHWAY WATER DRAIN VALVE WATER...

Page 32: ...s 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 location...

Page 33: ...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 34: ...r In order to use this product safely read this installation manual carefully and follow the installation instructions Potential dangers from accidents during installation and use are described below...

Page 35: ...t The value in indicates the quantity Remote Controller Mounting bracket Raised countersunk head wood screw Wall anchor Raised countersunk head screw For junction box installation Machine screw When a...

Page 36: ...f the remote controller and the frame pull the entire decorative frame forward while pressing the sections indicated where the fingers are in the figure below If it does not come off insert a flat hea...

Page 37: ...higher temperature settings through the remote controller follow the below steps When setting the maximum temperature to 125 140 F 55 60 C 1 Turn the water heater off by pressing the Power On Off But...

Page 38: ...e controller 2 Disconnect then reconnect electrical power to the water heater 3 Press the MENU Button inside the cover select Initial settings using the Buttons 4 Press the ENTER button the Initial se...

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