Noritz NR501-OD Скачать руководство пользователя страница 7

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Important Safety Information ....................................................................... 2

Contents......................................................................................................... 7

Unit Components .......................................................................................... 8

Display Window ............................................................................................. 9

Initial Operation ............................................................................................ 10

How to Use (Not using the remote controller)

Using the Water Heater ............................................................................. 11

How to Use (Using the optional remote controller)

Remote Controller ..................................................................................... 12

Setting and Using the Water Heater ........................................................ 13

Adjusting the Maximum Output Temperature ........................................ 14

Flow Meter Alarm ...................................................................................... 16

Muting the Remote Controller .................................................................. 18

Preventing Damage from Freezing ............................................................. 19

Regular Maintenance ................................................................................... 21

Troubleshooting ........................................................................................... 24

Follow-up Service ........................................................................................ 29

Specifications ............................................................................................... 31

Contents

Содержание NR501-OD

Страница 1: ...personal injury or death WARNING 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 whene...

Страница 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 ...

Страница 3: ... 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 Immediately call a qualified service technician to inspect the water heater and to replace any damaged parts Continued Check the temperature o...

Страница 4: ...tion needs to be changed Don t disassemble the unit Be sure to do Be sure to do Prohibited California Proposition 65 lists chemical substances known to the state to cause cancer birth defects death serious illness or other reproductive harm This product may contain such substances be their origin from fuel combustion gas oil or components of the product itself Do not place combustibles such as lau...

Страница 5: ... 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 terminal during or immediately after operation of the water heater Do not install in locations where excessive dust or debris will be in the air Prohibited Don t t...

Страница 6: ...frozen water within the device and pipes even in warm environments Be sure to 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 page 20 Do not use parts other than those specified for this unit If it is snowing check t...

Страница 7: ... the Water Heater 11 How to Use Using the optional remote controller Remote Controller 12 Setting and Using the Water Heater 13 Adjusting the Maximum Output Temperature 14 Flow Meter Alarm 16 Muting the Remote Controller 18 Preventing Damage from Freezing 19 Regular Maintenance 21 Troubleshooting 24 Follow up Service 29 Specifications 31 Contents ...

Страница 8: ...may be slightly different Unit Front Cover Water Supply Valve Unit Components Exhaust Vent Pressure Relief Valve Water Drain Valve with Water Filter Inside Water Inlet page 22 Displayed during power ON or combustion page 9 Two or three digit number is displayed when a failure occurs page 24 Display Window Gas Supply Valve Ex NR662 OD ...

Страница 9: ... on set temperature s is displayed for one minute When hot water flows If there is a problem with the unit a numerical error code will flash page 24 When unit is initially plugged into power set temperature s is displayed for approx three minutes When the gas burner is off and cold water flows After one minute passed from turn on hot water the outside edge of the three digit display will rotate in...

Страница 10: ...e and then close the fixture again 3 Open the gas supply valve Hot water fixture 2 Plug into power CLOSED 4 OPEN Do not touch with wet hands Please check the following when you use the water heater for the first time after the installation Usually the hot water is supplied by opening the hot water if gas water and electric power are supplied if there is a remote controller it should be turned ON E...

Страница 11: ...tly 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 Ex NR662 OD Display Window Display Window Set temperature is displayed When unit is initially plugged into power Hot water Indicates the burner is on The outside edge of the 3 digit dis...

Страница 12: ... page 16 Error Code When this indicator is lit the hot water temperature can be set page 13 If you want to change the temperature of supplied hot water frequently or you want to set the amount of hot water to accumulate the hot water this remote controller is useful A number will flash if a failure occurs page 24 Priority Indicator Burner On Indicator When burning the indicator is lit pages 13 and...

Страница 13: ... 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 46 C 115 F Shower hot water supply etc High temperature 46 47 48 50 55 60 115 117 118 122 131 140 The maximum output temperature can be set using the remote controller page 14 When using F mode When using C mode Check the indicator...

Страница 14: ...sound is heard 2 sec Change the temperature using the setting buttons Set the Power button to ON when continuing to use the unit as is Otherwise let the unit sit for 30 sec Off Tone sounds after 2 sec The upper limit of the hot water supply temperature can be changed to For Fahrenheit F 115 F 120 F 125 F 130 F 135 F or 140 F For Celsius C 46 C 47 C 48 C 50 C 55 C or 60 C Up Down ...

Страница 15: ... Feel water temperature before bathing or showering Temperature limiting valves are available ask professional person When setting the unit to 125 F 55 C 131 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 unit again after setting to 125 F 52 C or higher Always check the set temperature before use Do not allow ...

Страница 16: ...ing will flash on the display and adjust with the setting buttons Increase Decrease Choose the flow meter alarm setting from the following options 10 60 gallon 40 240L In 5 gallon 20L intervals 70 gallon 260L 80 gallon 300L 90 gallon 340L 100 gallon 380L 990 gallon Note The alarm will not sound if it is set for 990 gallon Flow meter setting will be flashing ex 45 gallon The level can only be adjus...

Страница 17: ... is being 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 Check the temperature before stepping into the bath tub High Temperature ...

Страница 18: ...emote controller Muting the Remote Controller Initial factory setting is with sound 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 Hold the Power On Off Button for five seconds Sound Muted No sound after 5 sec Tone sounds after 5 sec ...

Страница 19: ... water through the unit when it is OFF page 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 automatically by th...

Страница 20: ...troller Turn off the power supply 4 Close the water supply valve 5 Fully open all hot water fixtures 6 Turn the drain plug to the left to open and then remove 7 Check that the water is completely drained close all the drain plugs and the hot water fixtures after 10 minutes or more pass from operation of 6 Drain water into a bucket to prevent water damage Do not touch with wet hands Fixture Fixture...

Страница 21: ...face with a wet cloth To prevent burns or scalding turn off the power button or power supply and wait until the unit cools before performing maintenance CAUTION Be sure to do Check For laundry newspaper timber oil spray cans and other combustible materials near the heater or the exhaust vent For abnormal sounds during operation For abnormalities in external appearance discoloration or flaws For wa...

Страница 22: ...h a bucket ready remove the inlet and outlet drain plugs about 0 15 gallon 0 5L will drain out 4 Take the water drain valve with water filter out of the inlet See illustration to right 5 Clean the 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 fi...

Страница 23: ... 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 1 2 3 4 5 6 7 8 9 A b C d E F 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 Manganese 0 05 mg ...

Страница 24: ...st Noritz agent The unit detects Scale Build up in the Heat Exchanger Warning indication and then the unit will shut off before long When the error code is flashing in the Display Window a warning indication will appear in the Display Window And then 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 f...

Страница 25: ...play Window Is the hot water fixture sufficiently open Is the gas being cut off by the gas meter Can other gas device such as stoves be used For LP Is there enough gas in the tank Can other gas devices such a stoves by used Is the water drain valve filter clogged page 22 Is the power button optional remote controller turned on Check for the error code in the Display Window Is the error code flashi...

Страница 26: ...sible for the outlet temperature to be lower than the temperature set on the remote controller Decrease the amount of hot water passing through the unit and the temperature should stabilize The actual outlet water temperature is lower than the set temperature of the unit Contact the nearest Noritz agent The water is cold when only a single fixture is open The unit will not heat the water if the fl...

Страница 27: ... water is continuously discharged for the set volume of water If mixing valves are used or if cold water is mixed with hot water at the fixture the tub will fill more than the setting of the flow meter alarm Amount of hot water available has decreased over time Is the water filter clogged page 22 If the supply water is hard and has not been treated scale can build up in the water heater and decrea...

Страница 28: ...ion of the bath tub wash basin can be prevented by cleaning frequently Sounds Problems What to do Display Window The fan can be heard after operation is stopped A motor can be heard when turning the unit ON or OFF when opening or closing a fixture or after the unit has been running for a while These noises indicate the proper operation of devices which are designed to let the unit reignite more qu...

Страница 29: ...equest for service may 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 page 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 vi...

Страница 30: ...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 the proper installation of this kit The installation is not prope...

Страница 31: ...ition 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 Using the optional remote controller Default Temperature Options NG LP ...

Страница 32: ...nition 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 Using the optional remote controller Default Temperature Options NG LP...

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