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Included Parts List

Optional Remote Controller RC-7651M

Installation Guide

For Installers:

  Read this installation guide 

carefully before carrying out 

installation.

NORITZ AMERICA CORPORATION

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. 

Do not disassemble the remote controller.

Wall Packing

Connecting Wire

Remote Controller

Phillips Roundhead 

Wood Screw

Wall Anchor

                 Part Name
Remote Controller
Wall Packing
Phillips Roundhead Wood Screw
Wall Anchor

Quantity

1
1
2
2

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 controller.

•  Avoid locations where special chemical agents 

(e.g., benzene, fatty and oily detergents) 

are used.

•  Avoid outdoor installation, or installation in 

an indoor location where it will be exposed 

to direct sunlight.

Connection of Remote Controller Cord

   White Connector  To Remote controller

 

 Y-shaped terminals   To 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.

Summary of Contents for ecoTOUGH NRC711-OD

Page 1: ...tion manual carefully and follow the in stallation instructions Failures and damage caused by erroneous work or work not as instructed in this manual are not covered by the warranty Check that the ins...

Page 2: ...10ft 3m 1 2 Optional Accessories The accessories listed below are not included with the units but may be necessary for installation Cross Recessed Head Screw Q ty Shape Part Part Shape Q ty 1 Remote C...

Page 3: ...s 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 ord...

Page 4: ...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 Do not locat...

Page 5: ...nspection and repair Do install the unit such as the wall of the second floor where the unit is out of reach When installing the unit in a common side corridor provide a clearance of 47 1 190mm or mor...

Page 6: ...rance to service regulator vent outlet J Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other appliance K Clearance to a mechanical air supply inlet L Clear...

Page 7: ...o 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 Locati...

Page 8: ...er heater as with any gas appliance is the sole responsibility of the installer The installer must be professionally trained to do such work and must always follow all local and national codes and reg...

Page 9: ...ing 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 WARNING Natural Gas Supply Pressure Min 4 WC...

Page 10: ...tlet C Outlet D Outlet E Section 4 Table 2 For 8 WC 10 5 WC initial supply pressure Maximum Natural Gas Delivery Capacity 3 0 Pressure Drop Values in Table are in Cubic Feet of Gas per Hour 0 60 Speci...

Page 11: ...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 Pipe Size Leng...

Page 12: ...be connected to any heating system or components previ ously 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 13: ...r 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 maxi...

Page 14: ...Install Noritz Isolation Valves to allow for flushing Flushing is required if a water treatment device is not installed Suggested Suggested Install Noritz Isolation Valves to allow for flushing Flushi...

Page 15: ...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 from the water heater Horizontal runs must be slo...

Page 16: ...n of piping and form Condensate piping to floor drain Condensate piping with pump Slope pipe downwards 1 4 per foot or more The end of the drain pipe must have an air gap 1 or more USE NON CORROSIVE M...

Page 17: ...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 18: ...The electrical supply required by the water heater is 120VAC at 60 Hz The power consumption may be up to 182W Use an appropriate circuit Do not disconnect the power supply when not in use When the po...

Page 19: ...er 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 When changing t...

Page 20: ...On Off Button Flow Meter Alarm Set buttton Setting Button Remote Controller Setting Procedure 1 Turn the water heater off by pressing the Power On Off Button on the remote controller 2 Disconnect the...

Page 21: ...efore 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 it may be due to thermal expansion in a closed w...

Page 22: ...s 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 w...

Page 23: ...90mm 3 0 3 0 6 6 5 16 5mm OBLONG HOLE 4 0 5 13mm WATER DRAIN VALVE HOT WATER OUTLET CONDENSATE DRAIN WATER DRAIN VALVE COLD WATER INLET WIRING THROUGHWAY GAS INLET AC120V WATER DRAIN VALVE WATER FILT...

Page 24: ...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 locations where special chemi...

Page 25: ...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 26: ...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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