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• Applicable Model

Install the remote controller according to the instructions in the Installation Guide (p. 29).

• The water heater can be programmed so that it will default to one of three temperatures (140, 135,

130°F) when the temperature selection wire is connected. To change the default temperature, con-

nect the temperature selection wire as shown in the below diagram.

Note: If the 160°F (135°F) connector is being used, the unit will automatically default to a temperature

of 135°F when the remote controller is not installed.

* The water heater has been factory set to allow a maximum temperature setting of 120°F.

To access higher temperature settings with the optional remote controller installed, follow the below

steps. The unit can only be set to temperatures in the range of 145-160°F when the optional remote

controller is installed.

1. Turn the water heater off by pressing the ON/OFF button on the remote controller.

2. Press and hold the FLOW METER ALARM SET button until a sound is heard (2 sec.) and "120°F"

appears on the display.

3. Set the upper limit of the hot-water supply temperature to 125°F, 130°F, 135°F or 140°F using the

UP and DOWN setting buttons.

4. To put the water heater back into operation, press the 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.

1. Turn the water heater off by pressing the ON/OFF button on the remote

controller.

2. Disconnect electrical power to the water heater.

3. Remove the front cover of the water heater (4 screws).

4. Locate the bag of temperature selection wires attached to the inside

of the unit in the bottom left corner.

5. Connect the temperature selection wire labeled "160°F" to

the circuit board as shown on the right.

6. Replace the front cover of the water heater (4 screws).

7. Reconnect electrical power to the water heater, but do not turn it on.

8. Press and hold the FLOW METER ALARM SET button until a sound is

heard (2 sec.) and "120°F" appears on the display.

9. Set the upper limit of the hot-water supply temperature to

125°F, 130°F, 135°F, 140°F, 145°F, 150°F, 160°F using

the UP and DOWN setting buttons.

10. To put the water heater back into operation, press the 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.

Remote Controller

Remote controller

RC-7649M

• When changing the temperature, make sure to confirm with the customer that the temperature of

the hot water will be very high and that there is a risk of scalding.

• Water temperatures above 125°F can cause severe burns or death from scalding.

WARNING

DOWN

EMW

Remote Controlle

Содержание NR50-OD

Страница 1: ...ge personal injury or death NORITZ AMERICA CORPORATION Installation Manual TANKLESS GAS WATER HEATER DANGER indicates an imminently hazardous situation which if not avoided will result in death or ser...

Страница 2: ...t Part Shape Q ty 1 1 Remote Controller Cord 26ft 1 Isolation Valves includes pressure relief valve Pipe Cover PC 1S 1 1 Cross Recess Head Screw OD type only Owner s Guide Warranty Installation Manual...

Страница 3: ...he 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 of gas Check that the gas supply line is s...

Страница 4: ...upply opening causing the performance of the device fan to drop and incomplete combustion to occur as a result Avoid installation in places where special chemical agents e g hair spray or spray deterg...

Страница 5: ...outdoor instal lation use high temperature sealant around the flue collar for rain protection Avoid installation where the unit will be exposed to excessive winds Before installing make sure that the...

Страница 6: ...ore 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 If possible leave 3 or more above and below...

Страница 7: ...84 Maintain the following clearance from both combustible and non combustible materials indicates the distance when installing a heat insu lating board incombustible material other than metal with thi...

Страница 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...

Страница 9: ...ty air inlet into 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...

Страница 10: ...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 horizontally from...

Страница 11: ...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 Locating Screw Holes...

Страница 12: ...nt to this appliance Consult the manufacturer s instructions for the proper appliance adapter Vent Piping Noritz N Vent is suggested for the vent system If N Vent is not used a UL listed category III...

Страница 13: ...section 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...

Страница 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...

Страница 15: ...the furthest outlet and the Btuh required by everything after that section Sample Gas Line Sample Calculation Outlet A 45 Use 50 50 000 Btuh requires 1 2 Outlet B 40 65 000 Btuh requires 1 2 Section...

Страница 16: ...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 2078 121 2...

Страница 17: ...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 of t...

Страница 18: ...her means to en sure that the supply water pressure to the inlet of the heater does not fall below 29 psi when the maximum amount of water is being demanded Also install a pressure meter on the inlet...

Страница 19: ...ent Device Shutoff Valve Type of Water Hardness Level Treatment Device Flush Frequency Type of Water Hardness Level Treatment Device Flush Frequency Soft 0 1 gpg 1 3 gpg 0 17 mg L None None None None...

Страница 20: ...ommends the use of an Isolation Kit with the installation These kits include an integrated shut off and serv ice valve with unions and a pressure relief valve 1 Noritz recommends the use of an Isolati...

Страница 21: ...interference and faulty operation Disconnect Power Electrical Shock Hazard Do not turn power on until electrical wiring is finished Disconnect power before servicing Failure to do so may result in de...

Страница 22: ...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 When setting the maximum temperature to 125 160 F 1 Turn the water heater...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ...s stop and follow the instruc tions 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...

Страница 26: ...0 6 OBLONG HOLE HOT WATER OUTLET 3 4 COLD WATER INLET 3 4 GAS INLET 3 4 WIRING THROUGHWAYS b n k c g n s f r 4 0 5 2 0 3 x 0 5 OBLONG HOLE 4 7 2 0 3 3 2 4 3 3 4 7 3 0 3 x 0 6 OBLONG HOLE 0 4 24 5 0 4...

Страница 27: ...OTTOM OFCASE BOTTOM OFCASE VIEW FROM TOP UPPER WALL MOUNT BRACKETS LOWER WALL MOUNT BRACKETS AIR INLET AIR INLET GAS INLET COLD WATER INLET WATER DRAIN VALVE HOT WATER OUTLET WATER FILTER WATER DRAIN...

Страница 28: ...ING THROUGHWAYS 13 3 13 1 13 8 20 5 0 4 19 2 0 4 6 7 1 2 0 4 21 4 4 7 2 4 3 3 0 4 4 7 COLD WATER INLET 3 4 HOT WATER OUTLET 3 4 7 0 4 3 1 5 3 8 1 6 GAS INLET 1 2 10 0 3 9 7 2 2 2 VIEW FROM TOP WIRING...

Страница 29: ...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 con troller Avoid loca...

Страница 30: ...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 31: ...the 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 w...

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