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Noritz N-0751M-DVC, Owner'S Manual

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Noritz N-0751M-DVC Owner'S Manual Download Page 10

10

Initial Operation

Before the first use of your water heater, make the following preparations.

Follow steps 

1 through 4

.

1

Open the water supply valve.

Open a hot water fixture to confirm that
water is available, and then close the
fixture again.

3

Open the gas supply valve.

Hot water fixture

2

Turn on the power.

CLOSED

4

OPEN

Do not touch with wet hands.

Summary of Contents for N-0751M-DVC

Page 1: ...ies M86 Noritz America reserves the right to discontinue or change at any time the designs and or specifications of its products without notice Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immedia...

Page 2: ...rdous situation which if not avoided may result in property damage CAUTION Be sure to do Ground Electric Shock DANGER Icons warning of risk level Important Safety Information 1 This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Vapors from flammable liquids will explode and ...

Page 3: ...change the water temperature while hot water is being used To prevent scalding do not change the wa ter temperature to a higher setting A This water heater does not have a pilot It is equipped with an ignition device that automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the water heater area for evidence of leaking gas Be sure to smell next...

Page 4: ...as a result Flue terminal Prohibited Do not place combustibles such as laundry newspapers oils etc near the heater or the flue terminal Prohibited Carbon Monoxide Poisoning Hazard Do not install this water heater in a recreational vehicle or on a boat Prohibited Do not use combustible chemicals such as oil gasoline benzene etc in the near the heater or the flue terminal Do not store or use gasolin...

Page 5: ... pre heater Contact a qualified service technician for any necessary repairs service or maintenance Consult the nearest Noritz agent if the water heater location needs to be changed Don t disassemble the equipment Be sure to do Be sure to do California Proposition 65 lists chemical substances known to the state to cause cancer birth defects death serious illness or other reproductive harm This pro...

Page 6: ...e Do not run water through the unit when unit is not on When discharging hot water make sure the unit is ON If water is run through the unit with the unit OFF water may condense inside the unit and cause incomplete combustion or damage to the internal electrical components For single handle fixtures or valves discharge water setting the handle completely to the water side Take necessary measures t...

Page 7: ... Initial Operation 10 How to Use Muting the Operation Panel 11 Setting and Using the Water Heater 12 Flow Meter Alarm 14 Adjusting the Maximum Output Temperature 16 Preventing Damage from Freezing 17 Regular Maintenance 19 Troubleshooting 21 Follow up Service 25 Specifications 27 Contents ...

Page 8: ... an example of installation The exact installation configuration may be slightly different Main Unit Front Cover Water Supply Valve Gas Supply Valve Water Drain Valve with Water Filter Inside Water Inlet p 20 Pressure Relief Valve General Parts Concentric Pipe Operation Panel ...

Page 9: ...emove the protective sheet from the operation panel surface Temperature Setting Ex 110 F Flow Meter Setting The display will flash after hitting the flow meter alarm set button p 15 Error Code When this indicator is lit the hot water temperature can be set p 12 What is actually displayed depends on how the water heater is set A number will flash if a failure occurs p 24 Priority Indicator Burner O...

Page 10: ...llowing preparations Follow steps 1 through 4 1 Open the water supply valve Open a hot water fixture to confirm that water is available and then close the fixture again 3 Open the gas supply valve Hot water fixture 2 Turn on the power CLOSED 4 OPEN Do not touch with wet hands ...

Page 11: ...Use Muting the Operation Panel Initial factory setting is with sound Sound Muted No sound after 5 sec 1 Hold the Power On Off Button for five seconds Tone sounds after 5 sec The flow meter alarm cannot be muted The high temperature warning tone when setting the unit to 125 F or higher will not emit a sound when muted ...

Page 12: ...vere burns instantly or death from scalding Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are available ask professional person When setting the unit to 125 F or higher the temperature display will flash for 10 seconds and emit a tone as a high temperature warning Take caution when using the uni...

Page 13: ...tory setting is 110 F If fixtures incorporate mixing valves set the temperature higher than usual For most residential applications the recommended setting temperature is 120 F or less Consult local codes for minimum operating temperatures 100 105 110 115 120 125 130 135 140 145 150 160 170 180 Shower hot water supply etc Washing dishes etc High temperature Contact the installer or Noritz America ...

Page 14: ... Button Plug the bath drain Preparation Starting with the power off Always check temperature setting before use Hot Cold On The temperature will be displayed on the operation panel thermostat Previous set temperature example 110 F On Check the indicator lights Water temperature 1 ...

Page 15: ...ons 10 60 In 5 gallon intervals 70 100 In 10 gallon intervals or 990 gallons Note The alarm will not sound if it is set for 990 gal Note The alarm will not sound if it is set for 990 gal On Flow meter setting will be flashing ex 45 gal The level can only be adjusted while the indicator is flashing After ten seconds the remote will again display the temperature Off If the flow meter alarm is being ...

Page 16: ...ter alarm set button until a sound is heard 2 sec Up Down The upper limit of the hot water supply temperature can be changed to 100 F 105 F 110 F 115 F 120 F 125 F 130 F 135 F or 140 F 2 Turn off the power Off 1 Set the Power button to ON when continuing to use the unit as is Otherwise let the unit sit for 30 sec 4 Tone sounds after 2 sec ...

Page 17: ...e power 2 Close the gas supply valve 3 Open a hot water fixture and keep a small stream of hot water running 0 1 gal minute or about 0 2 thick If there is a mixing valve set it to the highest level When linking multiple units discharge water equivalent to 0 1 gal minute per unit 4 The flow may become unstable from time to time Check the flow 30 minutes later In general it is not advisable to run w...

Page 18: ... the unit 6 When the water is completely drained replace all drain plugs and close the hot water fixtures If the water heater will not be used for a long period of time Drain the water Drain the water as follows To avoid burns wait until the equipment cools down before draining the water The appliance will remain hot after it is turned off High Temperature Drain water into a bucket to prevent wate...

Page 19: ...tion Check For laundry newspaper timber oil spray cans and other combustible materials Equipment Operation Panel Wipe the surface with a wet cloth For abnormal sounds during operation For abnormalities in external appearance discoloration or flaws For water leaks from the equipment and piping For proper operation of pressure relief valve Check Check Check Check Check CAUTION For dust and soot in t...

Page 20: ...water drain valve with water filter with a brush under running water 6 Replace the water drain valve with water filter and close the drain plugs Take care not to lose the packing 7 Close all hot water fixtures 8 Open the water supply valve and check that water does not leak from the drain plugs or water drain valve with water filter Water Supply Valve Inlet Packing Water drain valve with water fil...

Page 21: ...her than the temperature set on the operation panel If only a small amount of hot water is demanded it is possible for the temperature to be higher than the temperature set on the operation panel The water is too hot Have you allowed enough time for the cold water in the pipes to drain out Water takes time to become hot when turning the hot water fixture No water is available when a fixture is ope...

Page 22: ...water is used for other fixtures while filling the bath tub the tub will not fill as much If there is water in the tub already or when filling is stopped and restarted the tub will fill more The flow meter alarm does not sound even when filled to the set amount The flow meter alarm is set to sound when hot water is continuously discharged for the set volume of water If mixing valves are used or if...

Page 23: ...Can other gas devices such as stoves be used This is normal The white smoke is actually steam White smoke comes out of the exhaust vent on a cold day The hot water is turbid This is harmless Small bubbles appear as the air in the water is heated and depressurized rapidly to atmospheric pressure The water appears blue The bath tub wash basin has turned blue Coloration to a blue color may be noticed...

Page 24: ... the nearest Noritz agent Abnormal combustion Contact Noritz America if Any other error code appears An error code is indicated again after the above actions were followed There are any other questions Troubleshooting 3 åÃè ï é Ç Ç í Ç9Ç ÇæÇ Ç åÃè ï é Ç Ç í Ç9Ç ÇæÇ Ç Water Quality Damage to the water heater as a result of poor water quality is not covered by the Limited Warranty To ensure full war...

Page 25: ...st follow the instructions in the troubleshooting section p 21 to p 24 If the error is not corrected contact Noritz America Technical Support at 866 766 7489 If you want to reinstall the appliance at a different location confirm that the gas and power supply indicated on the rating plate are available at the new location If you are not sure consult the local utility company A request for service m...

Page 26: ... The gas conversion kit shall be installed by a qualified service agency in accordance with the manufacturer s instructions and all applicable codes and requirements of the authority having jurisdiction The information in the instructions must be followed to minimize the risk of fire or explosion or to prevent property damage personal injury or death The qualified service agency is responsible for...

Page 27: ...apacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Performance Item Model Name Type Ignition Operating Pressure Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Supply Consumption Casing Flue Collar Heat E...

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