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34

Installation

1.  Attach the mounting bracket to the wall.

  The parts to be used vary depending on the 

attachment method.

* Never use electric drivers, impact drivers 

and so forth.

  Tightening  with  excessive  force  may 

result  in  deformation  of  the  mounting 

bracket and/or failures.

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  deter 

gents) 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. 

•  A 26' (8m) cord can be purchased          

separately (Part # RC-CORD26).  

•  The remote controller cord can be extened 

up to 300 ft (90m). by splicing the cord and 

using 18 gauge wire to extend the cord to 

the appropriate length.

(1)

(2)

(2)

(2)

(2)

(1)

Included Parts List   

(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 attaching to a junction box>

•  Use  the  raised  countersunk  head  screws  to 

attach the mounting bracket to the junction box.

  (In  this  case,  the  wall  anchor  and  raised 

countersunk head wood screws are not used.)

Top

Bottom

Junction box

Mounting bracket

(accessory part)

Raised countersunk 

head screw

 (accessory part)

<When attaching to a wood surface>

• Use the raised countersunk head wood screws 

to attach the mounting bracket.

  (In  this  case,  the  wall  anchor  and  raised 

countersunk head screws are not used.)

Top

Bottom

Top

Bottom

<When attaching to a concrete wall surface>

• 

Drill a φ1/4” (φ6mm) hole, approx. 1” (25mm) 

in depth, and hammer in the wall anchor.

  Attach  the  mounting  bracket  using  the  raised 

countersunk head wood screws.

  (In this case, raised countersunk head screws are not used.)

Mounting bracket

(accessory part)

Mounting bracket

(accessory part)

Wall anchor (accessory part)

Raised countersunk 

head wood screw

 (accessory part)

Raised countersunk 

head wood screw

 (accessory part)

Confirm the orientation 

of the mounting bracket.

Confirm the orientation 

of the mounting bracket.

Confirm  the  orientation  of  the 

mounting bracket is correct.

Summary of Contents for ecoTOUGH NRC111-OD-NG

Page 1: ...ructed 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 eit...

Page 2: ...ts but may be necessary for installation Cross Recessed Head Screw Quick Connect Cord QC 2 Q ty Shape Part Part Shape Q ty 1 1 Remote Controller Cord 26ft 8m 1 each Isolation Valves includes pressure...

Page 3: ...Block Cord Connector 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 Typica...

Page 4: ...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 e...

Page 5: ...eat and moisture from the water heater may cause discoloration of walls and resinous materials or corrosion of aluminum materials Do not locate the vent termination directed towards a window or any ot...

Page 6: ...re in width Provide clearance of 24 600mm or more in front of the unit to facilitate inspection and repair Do install the unit such as the wall of the second floor where the unit is out of reach When...

Page 7: ...rdance with the current CSA B149 1 Natural Gas and Propane 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 sid...

Page 8: ...arts may be damaged and may become highly dangerous Install the unit on a vertical wall and ensure that it is level Locating Screw Holes Mounting Structure When installing with bare hands take caution...

Page 9: ...e 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 in...

Page 10: ...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 11: ...se 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 Condensing Tankless Gas Water...

Page 12: ...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 13: ...nected 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 sy...

Page 14: ...r 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 Freeze Prevention Freezing is prevented...

Page 15: ...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 H2Flow or ScaleShield or a water softener Refer to the below t...

Page 16: ...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 17: ...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 18: ...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 19: ...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...

Page 20: ...CE 1 2 PVC pipe DO NOT ADD ANY VALVES DO NOT ADD ANY VALVES Condensing Tankless Gas Water Heater Condensing Tankless Gas Water Heater Note If the drain line becomes clogged or frozen condensate will b...

Page 21: ...ull recirculation waranty If it is not installed the water heater can not detect the Scale Build up in the Heat Exchanger 4 Noritz recommends the use of an Isolation Kit with the installation These ki...

Page 22: ...ly required by the water heater is 120VAC at 60 Hz The power consumption may be up to 303W or higher if using optional accessories Use an appropriate circuit Do not disconnect the power supply when no...

Page 23: ...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 24: ...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 Exter...

Page 25: ...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 26: ...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 27: ...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 28: ...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 29: ...0mm 1 4 36mm 0 4 10mm 1 7 44mm 26 2 665mm 23 1 586mm 24 2 615mm 24 0 611mm 2 4 61mm 2 1 53mm 1 6 40mm 0 4 10mm 9 4 240mm 0 5 13mm 1 1 28mm 1 6 42mm 17 7 450mm 18 3 464mm 10 5 267mm 16 9 428mm 3 9 99mm...

Page 30: ...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 31: ...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 32: ...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...

Page 33: ...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 34: ...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 35: ...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 36: ...Button the Misc settings screen appears on the display 4 Select Max set Temp using the Buttons 5 Press the ENTER Button 120 F 50 C appears on the display 6 Set the upper limit of the hot water supply...

Page 37: ...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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