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Included Accessories

The following accessories are included with the unit.

Check for any missing items before starting installation.

Q’ty

Shape

Part

each

Part

Shape

Q’ty

Remote Controller

(See p. 21)

Remote Controller

Cord (10ft (3m))

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

Shape

Q’ty

Remote Controller

Cord (26ft (8m))

Isolation Valves*

(includes pressure

relief valve)

Pipe Cover

(PC-1S)

Recess Box

(RB-510)

Remote Controller

Outdoor

Junction Box

Owner's Guide, Warranty,

Installation Manual

(this document)

Neutralizer

(NC-1)

* Isolation valves are necessary for flushing the Heat Exchanger.

They allow for easy flushing of the system.

Содержание ecoTOUGH NRC661-OD-LP

Страница 1: ...y 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 installation was done p...

Страница 2: ...d 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 Controller Cord 26ft 8m 1 Isolation Valves includes pre...

Страница 3: ...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 trea...

Страница 4: ...e 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 locate the vent terminatio...

Страница 5: ...nstall 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 more in front of the unit Se...

Страница 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...

Страница 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...

Страница 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...

Страница 9: ...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...

Страница 10: ...Btuh NRC661A OD series 120 000 Btuh 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 Spec...

Страница 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...

Страница 12: ...upply potable water may not 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 tem...

Страница 13: ...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...

Страница 14: ...ng and form 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...

Страница 15: ...15 the Heat Exchanger must be flushed is set to Flushing Mode from an authorized Noritz wholesaler...

Страница 16: ...16 located...

Страница 17: ...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...

Страница 18: ...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...

Страница 19: ...include an integrated shut off and service valve 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 sh...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...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...

Страница 26: ...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...

Страница 27: ...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...

Страница 28: ...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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