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Noritz GQ-2857WX US, Руководство пользователя

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Noritz GQ-2857WX US Скачать руководство пользователя страница 9

*  The above illustration shows an example of installation.

  The exact installation configuration may be slightly different.

NR98DVC (GQ-2857WX-FFA US)

(Indoor Wall Mounted, Power Vent/Sealed Model)

Front Cover

Water Supply Valve

Gas Supply Valve

Water Drain Valve 

(with Water Filter)

(Inside Water Inlet)    

(

p.21)

Pressure Relief Valve

Operation Panel

Concentric Pipe

In this Owner’s Guide, this 

panel will be referred to as 

the “Remote Controller”. 

Main Unit

NR98SV (GQ-2857WX-F US)

(Indoor Wall Mounted, Power Vented Model)

Flue Collar

Front Cover

Air Inlet Filter

Gas Supply Valve

Pressure Relief Valve

Water Supply Valve

Water Drain Valve 

(with Water Filter)

(Inside Water Inlet)    

(

p.21)

Содержание GQ-2857WX US

Страница 1: ...UFACTURED HOME APPLICATIONS SBB80J3 Thank you for purchasing this Noritz Tankless Gas Water Heater Before using please Read this manual completely for operation instructions Completely fill out the warranty registration card included separately and mail the detachable portion to Noritz America Corporation Keep this manual and the remainder of the warranty registration card where it can be found wh...

Страница 2: ...us 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 cat...

Страница 3: ...s supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your hand to turn the gas valve knob Never use tools If the knob will not turn by hand don t try to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this water heater if any part has been under water lmmediately call a qualified s...

Страница 4: ...he proper clearance between the water heater and nearby objects trees timber boxes with flammable materials etc Be sure to do Indicates suggested clearances for maintenance Do not place combustibles such as laundry newspapers oils etc near the heater or the exhaust vent terminal Prohibited Do not use combustible chemicals such as oil gasoline benzene etc in the near the heater or the exhaust vent ...

Страница 5: ...air to the unit Do not turn off the water heater while someone is bathing Prohibited Do not use a broken or modified power cord Do not bind bend or stretch power cords Do not scratch modify or subject them to impact or force Do not touch the exhaust vent or the exhaust vent terminal and concentric pipe during or immediately after operation of the water heater Do not install in locations where exce...

Страница 6: ...o read below for appropriate measures Repairs for damage caused by freezing are not covered by the warranty Take necessary measures to prevent freezing of water and leakage of gas when leaving the unit unused for long periods of time p 19 Do not use parts other than those specified for this equipment If it is snowing check the air inlet exhaust vent and exhaust vent terminal for blockage Do not di...

Страница 7: ... Initial Operation 11 How to Use Setting and Using the Water Heater 12 Flow Meter Alarm 14 Muting the Remote Controller 16 Adjusting the Maximum Output Temperature 17 Preventing Damage from Freezing 18 Regular Maintenance 20 Troubleshooting 23 Follow up Service 27 Specifications 29 Contents ...

Страница 8: ...ed Model Air Inlet Gas Supply Valve Pressure Relief Valve Exhaust Vent Front Cover Water Drain Valve with Water Filter Inside Water Inlet p 21 Water Supply Valve The above illustration shows an example of installation The exact installation configuration may be slightly different ...

Страница 9: ...ly Valve Water Drain Valve with Water Filter Inside Water Inlet p 21 Pressure Relief Valve Operation Panel Concentric Pipe In this Owner s Guide this panel will be referred to as the Remote Controller Main Unit NR98SV GQ 2857WX F US Indoor Wall Mounted Power Vented Model Flue Collar Front Cover Air Inlet Filter Gas Supply Valve Pressure Relief Valve Water Supply Valve Water Drain Valve with Water ...

Страница 10: ... 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 26 Priority Indicator Burner On Indicator When burning the indicator is lit p 13 and 15 Note As shipped from the fac...

Страница 11: ...g 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 Ex NR98OD GQ 2857WX US ...

Страница 12: ...rns 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 55 C in C mode or higher the temperature display will flash for 10 seconds and emit a tone as a high temperature warning Take caution when using...

Страница 13: ...emperature The maximum output temperature can be set using the remote controller p 17 C F The temperature settings below are examples The temperature setting necessary depends on the usage the length of piping and the time of year Initial factory setting is 40 C 104 F Shower hot water supply etc Washing dishes etc High temperature 37 38 39 40 41 42 43 44 45 46 47 48 50 55 60 99 100 102 104 106 108...

Страница 14: ...g used to indicate when a tub is full If any hot water is being used besides what is going into the tub the alarm will sound before the tub is full If there was water in the tub before the fill began or if the water is not shut off manually when the alarm sounds the tub may overflow If there was water in the tub before the fill began the temperature in the tub after it is full may be different fro...

Страница 15: ... will not sound if it is set for 990 gallon On Flow meter setting will be flashing ex 45 gallon Off The alarm will sound when the set level has been reached Stop the water The level can only be adjusted while the indicator is flashing After ten seconds the remote will again display the temperature On Flow meter setting will be flashing ex 180L Off Initial factory setting 110 F or 40 C 104 F Water ...

Страница 16: ...uting the Remote Controller 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 55 C 131 F or higher will not emit a sound when muted ...

Страница 17: ...wn The upper limit of the hot water supply temperature can be changed to For Fahrenheit F 100 F 105 F 110 F 115 F 120 F 125 F 130 F 135 F or 140 F For Celsius C 37 C 38 C 39 C 40 C 41 C 42 C 43 C 44 C 45 C 46 C 47 C 48 C 50 C 55 C or 60 C 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 ...

Страница 18: ... not advisable to run water through the unit when it is OFF p 6 but in this case freeze prevention is more important Remember to set mixing valves and fixtures to their original levels before using the unit again to prevent scalding If there is still a risk that the unit will freeze drain the unit as shown on the next page Preventing Damage from Freezing 1 Freezing is prevented within the device a...

Страница 19: ...t water fixtures 5 Open all drain plugs and drain the water out of the unit 6 Close the gas valve 1 When the water is completely drained replace all drain plugs and close the hot water fixtures Fixture Fixture Ex 120 F Do not touch with wet hands Do not touch with wet hands Drain water into a bucket to prevent water damage 1 Turn the power on off button off 2 Press the flow meter alarm set button ...

Страница 20: ...ce with a wet cloth Be sure to do To prevent burns or scalding turn off the power button and wait until the equipment cools before performing maintenance CAUTION Check For laundry newspaper timber oil spray cans and other combustible materials near the heater or the exhaust vent terminal For abnormal sounds during operation For abnormalities in external appearance discoloration or flaws For water ...

Страница 21: ...rain 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 filter Ex ...

Страница 22: ...ion Panel DVC type the Heat Exchanger needs to be flushed to prevent damage from Scale Build up Please contact Noritz America for more information about flushing the Heat Exchanger http support noritz com or 866 766 7489 1 2 3 4 F 0 1 2 3 4 5 6 7 8 9 Total Hardness 200 mg L 12 gpg or less Aluminum 0 05 to 0 2 mg L or less Chloride 250 mg L or less Copper 1 mg L or less Iron 0 3 mg L or less Mangan...

Страница 23: ... than the temperature set on the remote controller 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 remote controller 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 op...

Страница 24: ... amount When hot water is used for other fixtures while filling the ath 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 valve...

Страница 25: ...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 Other Sounds The plastic on the surface or buttons of the remote controller has torn peeled or air bubbles inside The surface of the remote controller is affixed wi...

Страница 26: ...ply pressure Error Code Cause Action Ignition error Check whether the gas valve is open Press the power button to turn the unit off open a hot water fixture and turn the unit back on If the flashing number doesn t return the problem is solved The unit may shut off and lock before long Needs to be flushed the Heat Exchanger to remove the Scale Build up If the unit will shut off and locked for this ...

Страница 27: ...ay be rejected if the water heater is installed in a location where working on the unit may be dangerous Contact a plumber We will need to know The Model check the rating plate See p 4 for the location of the label Date of purchase see the warranty Details of problem flashing error codes etc in much detail as possible Your name address and telephone number Desired date of visit Noritz will stock r...

Страница 28: ... 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 the proper installation of this kit The installation is not proper and complete until the operation of the co...

Страница 29: ...Specifications Performance Item Model Name Type Ignition Operating Pressure Minimum Flow Rate Dimensions Height x Width x Depth Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Safety Devices Item Gas Consumption Maximum Hot Water Capacity Capacity Range Temperature Settings Default Temperature ...

Страница 30: ...essure Minimum Flow Rate Dimensions Height x Width x Depth Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Safety Devices Item Gas Consumption Maximum Hot Water Capacity Capacity Range Temperature Settings Default Temperature Options NG LP 45 F 25 C Rise Maximum Performance 199 900 btuh 199 900...

Страница 31: ...ations Performance Item Model Name Type Ignition Operating Pressure Minimum Flow Rate Dimensions Height x Width x Depth Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet Hot Water Outlet Gas Inlet Safety Devices Item Gas Consumption Maximum Hot Water Capacity Capacity Range Temperature Settings Default Temperature Options ...

Страница 32: ......

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