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VESTEL TRV 50, Service Manual

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VESTEL TRV 50 Service Manual Download Page 24

VESTEL WATER HEATER SERVICE MANUAL 

 

VESTEL BEYAZ EŞYA A.Ş. (Air Conditioning Quality Assurance Department) 

Page

 

23 

 

WATER HEATER NOT WORKING 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turn on V-automate and measure 

the voltage. Is there power supply in 

bath stove? 

No   

Yes  

V-automate is tripped or broken. Install 

again, and replace if it does not work.  

Check supply cable. Is it defective?  

Yes  

Replace supply 

cable.  

No   

Is limit thermostat tripped?  

Yes  

Cool the water in the drum 
and reinstall limit thermostat.  

No   

No   

Check temperature 

thermostat. Is output 

provided to heating coil? 

Yes  

 Replace thermostat  

 Check the 
heating coil and 
replace if 
defective. 

Check bath stove cable harness. Is 

there burning, tearing or lack of 

contact?  

Yes  

Replace cable 

harness.  

No   

Summary of Contents for TRV 50

Page 1: ...VESTEL WATER HEATER SERVICE MANUAL VESTEL WATER HEATER SERVICE MANUAL COVERS ALL BATH STOVES IN THE FIELD MANUFACTURED IN VESTEL FACTORIES ...

Page 2: ...VESTEL WATER HEATER SERVICE MANUAL VESTEL BEYAZ EŞYA A Ş Air Conditioning Quality Assurance Department Page 1 ...

Page 3: ...with long service life Special process of enameling that protects the tank against corrosive abrasive effects of the water and water soluble substances It provides longevity and reliability for the mentioned protection drums 2 3 Magnesium anode By using more magnesium anodes in the products an electro chemical anti corrosive system that prolongs the service life of the drum is used In addition it ...

Page 4: ... suitable for bacteria growth While the device in stand by to prevent bacteria from growing the water is heated at least once a week above 65 C and kept at this level for 1 hour This safety system is only available in electronically controlled models 2 11 Dry Operation Safety If your device is operating without water for any reason whatsoever the system will be activated automatically and generate...

Page 5: ...ital Digital Digital WATER TEMPERATURE SETTING RANGE C 35 85 35 85 35 85 35 85 35 85 35 85 VOLTAGE V 230 230 230 230 230 230 CURRENT A 9 9 9 9 9 9 RESISTANCE POWER W 1980 1980 1980 1980 1980 1980 OPERATING PRESSURE Bar Mpa 8 0 8 8 0 8 8 0 8 8 0 8 8 0 8 8 0 8 SAFETY VALVE MAX Bar 9 9 9 9 9 9 WATER CONNECTION inch 1 2 1 2 1 2 1 2 1 2 1 2 ANTI BACTERIAL PROTECTION DRY OPERATION SAFETY FREEZING CONTRO...

Page 6: ... 5 4 BATCH STOVE ELECTRIC GRAPHICS 4 1 FOR DIGITAL MODELS SQUARE C KLEMENS LT LIMIT THERMOSTAT T THERMISTOR R HEATING COIL D DISPLAY F FLANGE 1 ON OFF BUTTON 2 INCREASE BUTTON 3 DECREASE BUTTON SOIL NEUTRAL FUSE 16A PHASE BROWN BROWN BLUE YELLOW GREEN BLUE DISPLAY GREY 20708417 ELECTRICAL DIAGRAM TRM DIGITAL ...

Page 7: ...Quality Assurance Department Page 6 4 2 FOR DIGITAL MODELS CYLINDER C CONNECTOR RLI RELAY LT LIMIT THERMOSTAT T THERMISTOR R HEATING COIL BF BOYNER FLANGE 20812533 ELECTRICAL DIAGRAM TRM ELC YUV VELK SOIL NEUTRAL FUSE 16A PHASE BROWN BROWN BLUE YELLOW GREEN BLUE DISPLAY GREY ...

Page 8: ...ioning Quality Assurance Department Page 7 4 3 FOR MECHANICAL ANALOG MODELS SOIL NEUTRAL FUSE 16A PHASE BROWN BROWN BLUE YELLOW GREEN BLUE GREY GREY C KLEMENS LT LIMIT THERMOSTAT T THERMOSTAT R HEATING COIL L SIGNAL LAMP F FLANGE 20850064 ELECTRICAL DIAGRAM ANALOG TYPE ...

Page 9: ...esistant titanium enamel up to 850 C 1 Top dome 2 Hot water outlet pipe Depending on the model different lengths of pipes can be used for hot water outlet Hot water always is always received at the top of the tank 3 Lower dome 4 Drum flange 5 Cold water inlet pipe 6 Input diffuser Prevents turbulence and provides cold water inlet from the bottom of the tank 7 Drum TOP DOME HOT WATER PIPE LOWER DOM...

Page 10: ...wire and magnesium oxide insulation Heating coil flange includes heating coil thermocouple pipe and anode bar mounting bracket It can be in different shapes and powers depending on the model Mechanical thermostat electronic thermostat and limit thermostat thermocouples installed in thermocouple pipe must be secured to the deepest section and a rubber plug must be mounted at the end to prevent them...

Page 11: ...fterwards be replaced 5 6 THERMOSTAT Mechanical thermostat is used to set water temperature in desired level Thermostat is mounted on front display panel For the thermostat to detect water temperature it is placed in the steel pipe in capillary pipe thermocouple heating coil flange Thermocouple must be installed in the steel pipe such a way that it is secured to the bottom part Signal lamp is lit ...

Page 12: ...ostat Value must be displayed in the measurement device If not it is faulty When you see the value measure again by moving adjustment button above water temperature The value must disappear If you see the value thermostat is faulty and it must be replaced ELECTRONIC THERMOSTAT Temperature control and some of the safety functions are performed with an electronic card in electronically controlled wa...

Page 13: ...e operation current temperature in the water heater appears on the screen The heating coil active signal lamp on the left side lights up When water reaches the desired temperature hot water ready signal lamp lights up Electronic thermostat 1 On Off ButTon 3 Heating Coil Activation Lamp 6 Freezing Safety Lamp 4 Higher Temperature Setting Button 5 Lower Temperature Setting Button 7 Bacteria Preventi...

Page 14: ...imiting thermostat will disable the resistance in case of excessive temperatures in the drum or the failure of temperature setting thermostat When limit thermostat trips check if thermostat is intact After troubleshooting press reset button on limit thermostat to activate again Limit thermostat protection values 1 Circuit cutting temperature is 104 C 2 Circuit is cut when gas in the bulb leaks the...

Page 15: ...and shuts of contacts according to the value measured by the bulb Unless water temperature rises to 105 C it keeps the circuit open at all times Water must be cooled and minimum 30 minutes must pass for it to be reactivated after tripping It is checked using measurement device as follows Move the level of your measurement device to Ω ohm position and measure the resistance 1 Limit thermostat is co...

Page 16: ...using the safety valve 1 As water may drip from the drainage tip this pipe should be left open to the atmosphere In order to prevent the dripping waters from causing any harm to the environment you can connect it to a sewage drain by means of a discharge hose 2 The appliance should be operated with intervals pressing the latch in order to prevent caustic lime accumulation and confirm that it is no...

Page 17: ...ce of the drum 2 Drum iron starts to dissolve atom loses two electrons and become Fe ion 3 Iron ion is separated from drum surface and turns into rust by combining with oxygen FeO In this case formation of punctures start within the tank 4 Grounding connections must certainly be provided during product installation as floating power connections prevent chemical reactions between anode and drum and...

Page 18: ...it is completely out of service Recommended duration is to check every two years Anode stick 7 OPERATION PRINCIPLE OF WATER HEATER OPERATION Tank is always filled with pressurized water When desired temperature is reached the control thermostat turns off the electrical resistance When hot water is used cold water intake starts to tank through cold water intake pipe Magnesium atom the element formi...

Page 19: ... recommendations Water heater installation and first operation must be performed in accordance with the instructions in the user manual PLACEMENT AND INSTALLATION OF THE UNIT Attention must be paid to the following issues in the wall mounting of the stove Water heater must be in a position to align with the water connection in the wall Dowels and hanger screws should be strong enough An 80 liter w...

Page 20: ...least once in two years Operation 1 Be sure to disconnect electrical connection before clearing the water heater 2 Turn off the valve to cut water delivered to the appliance 3 To eliminate the pressure turn on hot water tap and then turn off 4 Disconnect intake pipe water system connections 5 Remove safety valve and connect a rubber pipe the appropriate length for the discharge 6 Open hot water ta...

Page 21: ...ESTEL BEYAZ EŞYA A Ş Air Conditioning Quality Assurance Department Page 20 10 The magnesium anode stick must be replaced every 2 years 11 Flange gasket must be replaced every time heating coil is removed from the drum FLANGE GASKET FLANGE ...

Page 22: ...E3 Dry operation When drum is filled with water and power is turned off and on the error will be eliminated B TROUBLESHOOTING E1 ERROR This is an error code that occurs only in digital models It means that temperature sensor is open or there is short circuit Check the sensor and electronic card sockets is there looseness or lack of contact Yes Fix lack of contact in sockets and start again No Remo...

Page 23: ...re supply voltage of the bath stove is it out of limits Yes It is a normal process Card protection is running wait for the voltage to balance No Replace electronic card Open hot water line of bath stove is there air release No Increase bath stove thermostat temperature does water temperature rise faster than normal Yes Bath stove water level is low fill it with water and start again Yes No Replace...

Page 24: ...roken Install again and replace if it does not work Check supply cable Is it defective Yes Replace supply cable No Is limit thermostat tripped Yes Cool the water in the drum and reinstall limit thermostat No No Check temperature thermostat Is output provided to heating coil Yes Replace thermostat Check the heating coil and replace if defective Check bath stove cable harness Is there burning tearin...

Page 25: ...o Yes Fault is fixed No need for further actions Mains water system pressure is too high Recommend pressure reduction regulators for the safety of the customer and the appliance Is the water drawn from the device over 90 C No Yes Remove heating coil from drum Does the sensor slot that limit thermostat bulb is inserted contact the end of heating coil Yes Remove heating coil slot from sensor slot an...

Page 26: ...ressed No Yes Check supply V Automate limit thermostat of the device Does thermostat output to heating coil No Yes Replace the thermostat Check heating coil resistance values Are there any broken cables or short circuit Yes Replace heating coil No Are sensors and bulbs are correctly fit in their slots No Fix sensors and bulbs and place them back Yes Hot water pipe is not mounted or fell inside the...

Page 27: ...s a long time for the thermostat to start again Thermostat sensor and drum connection may be irregular Thermostat sensitivity may be lost Place the thermostat sensor correctly Replace the thermostat with a new one Heating time is long energy consumption is high water heater cannot reach maximum temperature There may be leakage in hot water system Heating coil may be malfunctioning Detect and repai...

Page 28: ...ing coil is heating Clean heating coil It is a normal process There is no need for further actions There is water leak in heating coil and flange unit Flange or heating coil gaskets may be damaged Corrosion may have caused puncture in flange Replace gaskets Replace flange and gaskets mount the flange carefully in both cases NOTE Temperature control is electronic in certain models of water heaters ...

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