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Страница: 26 / 36

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Temperature

Hot water is not available when
the hot water fixture is opened.

•

Are the gas and water supply valves fully open?

•

Is the water supply cut off?

•

Is the hot water fixture sufficiently open?

•

Is the heater frozen?

•

Is the gas meter working?

•

(For LP) Is there enough gas in the tank?

•

Is the operation button turned on?

•

Have you allowed enough time for the cold water in the
pipes to drain out?

•

Are the gas and water supply valves fully open?

•

Is the water temperature setting appropriate, check
remote controller?

•

If the supply water is at a high temperature, you may
need to increase the flow rate through the heater to get
a low temperature out of it.

Hot water is not available at low
temperatures.

Cold water comes out when the
fixture is barely opened. Only
cold water is available at low
flow rates.

•

The heater stops burning when the flow of hot water
becomes less than 2.5 LPM. Open the hot water fixture
more, and the water temperature will stabilize.

•

Are the gas and water supply valves fully open?

•

Is the water temperature setting appropriate, check
remote controller?

Hot water is not available at
high temperatures.

Troubleshooting-1

TROUBLESHOOTING

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Содержание LWH42

Страница 1: ...cleaner future FASTflo Owner s Guide This manual must be kept with the appliance October 2010 Part No E800 Continuous Flow Wall Hung Balanced Flue Water Heaters for Natural Gas and LPG WH42 WH56 WHX56 LWH42 LWHX56 LWH56 ...

Страница 2: ...ety Regulations 1993 All installation and service on Andrews Water Heaters must be carried out by properly qualified personnel and therefore no liability can be accepted for any damage or malfunction caused as a result of intervention by unauthorised personnel Andrews Water Heaters policy is one of continuous product improvement and therefore the information in this manual whilst completely up to ...

Страница 3: ... 12 How to Use When using RC 7508M Clock Adjustment 13 Running Hot Water 14 Setting Hot Water Temperature 15 Filling Up the Bath 17 Confirmation Beeper On Off 18 Other Setting Options 19 Preventing Damage from Freezing 21 When Unused for an Extended Period 22 Regular Maintenance 24 Troubleshooting 26 Follow up Service 30 Specifications 31 3 ...

Страница 4: ...premises BS 6644 Installation of gas fired water boilers of rated inputs between 60kW and 2mW BS 7206 1990 Specification for unvented hot water storage units and packages I M2 Purging procedures for non domestic gas installations I M5 Soundness testing procedures for industrial and commercial gas installations I M11 Flues for commercial and industrial gas fired boilers and air heaters I M16 Notes ...

Страница 5: ...em was rendered free from viable recoverable legionella It was found that at 61 C following a challenge of approximately 107 organisms per litre within one hour more than 99 999 of organisms had been killed After a subsequent stagnation period sampling did not reveal any residual contamination The design of the base of the water heater precludes legionella colonisation even after build up of debri...

Страница 6: ... ignored Denotes content that may result in fire serious injury and even death when ignored Denotes content that may result in bodily injury and physical damage when ignored The content following this icon is necessary to understand for safe and easy use of this water heater Remarks Be sure to do Earth Electric Shock Danger If you detect a gas leak 1 Do not try to light any appliance 2 Do not touc...

Страница 7: ...ce or maintenance Do not allow small children to play unsupervised in the bathroom Do not allow small children to bathe unsupervised Leave the proper clearance between the water heater and nearby objects trees timber boxes with flammable materials etc Left side Min 50mm Right side Min 50mm Do not place combustibles such as laundry newspapers oils etc near the heater or the exhaust vent terminal Fr...

Страница 8: ...r supply shower and bath Do not touch the exhaust vent pipe during or immediately after operation of the water heater Caution Do not use hair spray or spray detergent in the vicinity of the heater Do not install in locations where excessive dust or debris will be in the air If this unit will be installed in a salon or other location where hair spray or aerosols will be used locate the unit away fr...

Страница 9: ...inction after use This unit is only approved for installation up to 1300m above sea level Do not use parts other than those specified for this equipment Do not disassemble the remote controller Do not use benzene oil or fat detergents to clean the remote controller This may cause deformation Do not get the remote controller wet Although it is water resistant too much water can cause damage Do not ...

Страница 10: ...r Water Supply Valve Gas Supply Valve Water Drain Valve with Water Filter Inside Water Inlet p 22 Intake pipe Front Cover If there is a problem with the unit a lamp will flash on the front of the unit p 26 External Wall Mounted Power Vent Sealed Model WHX56 LWHX56 WHX42 LWHX42 Exhaust terminal Front Cover Water Supply Valve Water Drain Valve with Water Filter Air Inlet Gas Supply Valve Burner on i...

Страница 11: ...is set between 60 80 C hi temp blinks for 10 seconds P13 High Temperature Display Eg 40 C Selection switches that can be operated are indicated by the bar display lighting up or blinking Selection Bar Display Temperature Setting This is displayed when the burner is on Burner On Display Eg 10 15 Error Display Error is displayed when malfunction occurs P26 Scroll display to prevent the remote contro...

Страница 12: ...owing 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 Ex WH56 INITIAL OPERATION 12 ...

Страница 13: ...ting When the SET button is pressed or the console is left untouched for about 20 seconds the settings screen ends Eg AM 10 15 The time changes in 1 minute increments with each press on the button and then in 10 minute increments if the button is kept pressed down Eg 40 C In the event of a power cut or after disconnecting the power supply when the power is restored the clock on the display screen ...

Страница 14: ...t the hot water temperature by hand Be especially careful if using hot water after previously using water at 60 C or above to prevent scalding While the shower is being used no one other than the user should change the temperature the power switch must not be turned off when using sub remote controller WARNING WARNING This is to prevent scalding if the temperature rises Conversely if the temperatu...

Страница 15: ...n using RC 7508M While the shower is being used no one other than the user should change the temperature the power switch must not be turned off when using sub remote controller WARNING This is to prevent scalding if the temperature rises Conversely if the temperature drops or the power switch is turned off the user may be upset when the water suddenly becomes much colder Here The ON OFF is lit ...

Страница 16: ...imations and may differ from actual temperatures depending on external factors such as the season and length of piping involved When low temperatures are set for washing dishes etc if the ambient water temperature is already quite high it may be difficult to ensure the resultant water temperature is as per the setting When the hot water temperature is adjusted using thermostat controlled water mix...

Страница 17: ...M Insert the bathplug into the plughole Turn on hot water Display example Check When the bath is full turn off the taps Please set to the highest temperature when using thermostat controlled water mixing valves WARNING Check the bathwater temperature with your hand be fore getting into the bath To prevent scalding Preparation The ON OFF is lit ...

Страница 18: ... button for about five seconds Completion of setting Setting is possible regardless of whether the power switch is ON OFF The remote controller will emit a sound when any button is pushed This sound can be muted if it is desired Initial factory setting is with sound CONFIRMATION BEEPER 18 ...

Страница 19: ...it This is set to drain the unit On this Display 2 Initial setting factory setting 3 Scroll display P8 no yes Scroll display is turned on Scroll display is turned off 75 C 50 C no yes Condition is suitable for draining the unit P19 Stops draining the unit 48 C 40 C in 1 C increments 80 C Draining the unit P19 Maximum tempera ture setting P13 in 5 C increments ...

Страница 20: ...tting When the SET button is pressed or the console is left untouched for about 20 seconds the settings screen ends Repeat procedures 2 3 again to adjust other settings Operation On this Display Modification of the maximum temperature setting The maximum temperature setting can be modified Power is switched Off again This may not be displayed depending on the installation conditions This is only u...

Страница 21: ...ternal to the unit from freezing Protect this plumbing with insulation If you are still worried that your heater will freeze contact the nearest Andrews Water Heaters agent When the temperature drops the freeze prevention heaters are automatically activated to keep the unit warm and prevent it from freezing Normal cold outside temperatures between 0 C 10 C with no wind The heater and piping can be...

Страница 22: ...hat the power is plugged in 2 Open the hot water tap fully leave it in that position for at least one minute and then turn off the tap For conjunct setting Allow at least one minute per unit Error display 11 may appear on the remote controller but this is not an error Do not turn the power switch Off Manual draining Close the water supply valve 3 4 5 When the water is completely drained replace al...

Страница 23: ...y not be clearly visible as they are partially hidden behind the pipe insulation Water may not drain out fully even though the cleanout plugs are loosened depending on the pipe arrangement In this case fully remove the cleanout plugs Make sure not to mislay them When Unused for an Extended Period 2 Position of the cleanout plugs 3 positions If the water heater will not be used for a long period of...

Страница 24: ...he remote controller is water resistant but not water proof Keep it is dry as possible Caution Regular Maintenance 1 Inspection Once a month Equipment Remote Controller Wipe the surface with a wet cloth For dust and soot in the flue terminal Check Ex WH56 For dust and soot in the exhaust terminal Check For abnormalities in external appearance discoloration or flaws Check For abnormal sounds during...

Страница 25: ...etc to receive the discharged water 1 Close the water supply valve 2 Open all hot water fixtures 3 Remove the inlet and outlet drain plugs about 1L 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 Take care not to...

Страница 26: ...ropriate check remote controller If the supply water is at a high temperature you may need to increase the flow rate through the heater to get a low temperature out of it Hot water is not available at low temperatures Cold water comes out when the fixture is barely opened Only cold water is available at low flow rates The heater stops burning when the flow of hot water becomes less than 2 5 LPM Op...

Страница 27: ...ver time In order to prevent the screen from burn in after the remote controller has not been used for about 10 minutes the screen display changes and continuously scrolls sideways P8 16 17 The display on the remote controller moves continuously The power lamp is not lit Has the power been cut Temperature setting cannot be increased Has the maximum temperature setting been changed P16 17 If the po...

Страница 28: ...ressurized rapidly to atmospheric pressure It is similar to the bubbles in beer or carbonated beverages Water leaks from the drain plugs on the outlet When the main unit is highly pressurized water will leak from the drain plugs as a safety so that the unit is not damaged by the high pressure These plugs are pressure relief valves If water is leaking out of them excessive pressure is being supplie...

Страница 29: ...turn the power On and when the hot water tap is turned on it is back to normal if nothing is displayed This display is an example Failure display blinks 11 F11 Fault occurs with combustion of the unit Please contact Andrews Water Heaters 99 F99 Combustion lamp is lit P7 In the event of a failure you are notified by the combustion lamp blinking at the front of the unit Please resolve the problem in...

Страница 30: ...r a minimum of ten years after production has ceased These are the parts necessary to repair or maintain this unit Warranty First follow the instructions in the troubleshooting section P23 to P26 If the error is not corrected contact Andrews Water Heaters A request for service may be rejected if the water heater is installed in a location where working on the unit may be dangerous Contact a plumbe...

Страница 31: ... Device ZNR Electric Leakage Prevention Device Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Remote Controller Anchoring Screws Specifications Specifications 1 Specifications may be changed without prior notice The capacity may differ slightly depending on the water pressure water supply piping conditions and water temperature Performance Item Model Name Type Ignition...

Страница 32: ...ame Rod Thermal Fuse Pressure Relief Valve Lightning Protection Device ZNR Electric Leakage Prevention Device Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Remote Controller Anchoring Screws Specifications Performance Item Model Name Type Ignition Minimum Pressure for Maximum flow Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air ...

Страница 33: ...ice ZNR Electric Leakage Prevention Device Overheat Prevention Device Freezing Prevention Device Fan Rotation Detector Remote Controller Anchoring Screws Specifications Performance Item Model Name Type Ignition Minimum Pressure for Maximum flow Minimum Flow Rate Dimensions Weight Water Holding Capacity Accessories Installation Air Supply Exhaust Connection Sizes Power Supply Materials Water Inlet ...

Страница 34: ...34 ...

Страница 35: ...35 ...

Страница 36: ...Baxi Commercial Division Wood Lane Erdington Birmingham B24 9QP Email andrews baxigroup com www andrewswaterheaters co uk Sales 0845 070 1056 Technical 0845 070 1057 ...

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