TESY HPWH 2.1 200 U02 Service Manual Download Page 8 | Manualshive

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D. ACCSES TO THE HEAT PUMP

– OPENING OF THE EXTERNAL CASE.

1.  Unwind the screws No40 (M6x60; DIN564)
2.  Pull the upper panel No32 in upper direction
3.  Pull the Front 34 and Back 33 panels in upper direction (~3cm) and then in front direction

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Summary of Contents for HPWH 2.1 200 U02

Page 1: ...Page 1 of 35 SERVICE MANUAL v1 24 09 2019 HPWH 2 1 200 U02 HPWH 2 1 200 U02 S HPWH 2 1 260 U02 HPWH 2 1 260 U02 S...

Page 2: ...and control 6 D Access to the heat pump 8 E Electric wiring diagram and heat pump refrigerant scheme 9 F Actions to be taken when error code appears on display 11 G Intervention procedure 13 H Full l...

Page 3: ...ize it re enters the evaporator and the cycle starts all over again The operating principle of the equipment is as follows Fig 1 I II The coolant fluid sucked in by the compressor flows inside the eva...

Page 4: ...nlet line hot gas 18 Replaceable magnesium anode 19 Hot water outlet connection G 1 20 Recirculation fitting G 21 Evaporator s distributor 22 Condensates drain G 3 4 23 Solar coil G 1 1 2 m2 surface 2...

Page 5: ...Page 5 of 35...

Page 6: ...duct from the mains power supply at least for one minute and connect it again properly 2 Verify the presence of power supply voltage 3 Switch on the product 4 Wait for the established time for the wat...

Page 7: ...ut there are warnings on the display The product supplies hot water and the display signals irregular conditions Refer to the section F 6 Irregular operation but display does not indicate any anomaly...

Page 8: ...TO THE HEAT PUMP OPENING OF THE EXTERNAL CASE 1 Unwind the screws No40 M6x60 DIN564 2 Pull the upper panel No32 in upper direction 3 Pull the Front 34 and Back 33 panels in upper direction 3cm and th...

Page 9: ...Page 9 of 35 E ELECTRIC WIRING DIAGRAM AND HEAT PUMP REFRIGERANT SCHEME...

Page 10: ...Page 10 of 35...

Page 11: ...3 PCB board failure 1 Check the sensor connection 2 Replace the sensor 3 change the PCB board 1 Procedure 5 3 Procedure 1 Ambient temp sensor failure P5 5 flashes 1 dark 1 The sensor open circuit 2 Th...

Page 12: ...5 Procedure 11 6 Procedure 1 Over heat protection HTP Switch E3 8 flashes 1 dark 1 Too high tank water temp 2 The switch damaged 3 PCB board failure 1 If the tank water temp is over 85C the switch wi...

Page 13: ...supply 1 Switch off the HPWH 2 Disconnect the unit from main electricity supply 3 Unscrew four screws No 1 2 3 4 4 Open the front cover 5 Disconnect all cables and wirings of the PCB 6 Gently dismantl...

Page 14: ...temperature sensor T2 designated by Number 2 on a yellow ring 5 Pull the cable out 6 Replace with a new one on reverse order 7 When pushing a new sensor into the thermo pocket tube see Fig pr 2 1 ass...

Page 15: ...ables are in contact with moving parts or sharp edges Fig pr 3 1 Procedure 4 4 CHECK AND CHANGE OF EVAPORATOR COIL TEMPERATURE SENSOR NTC thermosensor code G0030153 NTC thermosensor model 5K L1200T To...

Page 16: ...disconnect the cable of return gas temperature sensor T5 designated by Number 5 on a yellow ring 5 Pull the cable out 6 Replace with a new one on reverse order 7 When mounting a new sensor into the h...

Page 17: ...f return gas temperature sensor T1 designated by Number 1 on a yellow ring 5 Pull the cable out 6 Replace with a new one on reverse order 7 When mounting a new sensor into the holder see Fig pr 6 1 as...

Page 18: ...protective gloves and eyeglasses 1 Switch off the HPWH 2 Disconnect the HPWH from the main electric supply 3 Open the PCB box as per procedure 1 4 Tear up the cable bundle containing the cable of ERV...

Page 19: ...o the probe and to the recovery machine By the same way connect recovery machine to the empty bottle for R134a Fig pr 9 6 5 Open the tap 1 2 and all others Then start the recovery machine in dischargi...

Page 20: ...to its user manual 20 The quantity of refrigerant that should be charged in heat pump is 880 890g The gas located into the hoses and recovery machine does not count 21 Stop the recovery machine Close...

Page 21: ...ses 1 Switch off the HPWH 2 Disconnect the HPWH from the main electric supply 3 Open the PCB box as per procedure 1 4 Tear up the cable bundle containing the cable of pressure switches 5 On terminal C...

Page 22: ...FAN REPLACEMENT 1 Switch off the HPWH 2 Open the PCB box as per procedure 1 3 Tear up the cable bundle containing the cable of the Fan 4 On PCB terminal OUT4 Fig pr 11 1 disconnect the cable of Fan D...

Page 23: ...Page 23 of 35 Fig pr 11 6 Fig pr 11 7 Fig pr 11 7 Screws No2 11 pieces Screws No3 4 pieces Screws No3 4 pieces Screws No3 4 pieces Screws No3 4 pieces...

Page 24: ...the thermopocket of electric heating element Fig pr 12 3 7 Replace with a new one on reverse order 8 When mounting a new thermo switch into the thermopocket Fig pr 12 3 assure that the thermoswitch is...

Page 25: ...procedure 1 4 Tear up the cable bundle containing the cable of pressure switches 5 On terminal OUT3 Fig pr 13 3 disconnect the cable of 4 way valve 6 With multimeter measure the resistance of the coi...

Page 26: ...r 14 1 5 If the heating element is still not working than check its resistance If the value is 0 Fig pr 14 3 proceed with the replacement of the heating element The value of the normally working heati...

Page 27: ...f the value is 0 proceed with the replacement of compressor itself Fig pr 15 2 7 If capacitor is OK procced with a compressor replacement Fig pr 15 3 8 Discharge the refrigerant as per procedure 9 9 R...

Page 28: ...Page 28 of 35 Fig pr 15 3 Fig pr 15 5 Fig pr 15 4 Fig pr 15 6 Ground connection...

Page 29: ...Disconnect the unit from main electricity supply 3 On the back side of the front panel unscrew four screws No 1 and remove the plastic cover 4 Plastic body of control display is fixed to the metal pl...

Page 30: ...electric supply 1 Switch off the HPWH 2 Disconnect the unit from main electricity supply 3 Open the front cover of PCB box as per procedure 1 4 Disconnect all cables and wirings of the Transformer co...

Page 31: ...osting cycle period t4 1 12 min 8 min Adjustable 10 M Electronic expansion valve adjustment 0 1 1 Adjustable 0 manual 1 auto 11 M Target over heat degree 9 9 C 5 C Adjustable 12 M Steps of manually ad...

Page 32: ...start e heater 1 10 3 Adjustable 34 M Max setting temp for e heater 65 85 75 Adjustable 35 I ON OFF 0 1 0 0 remote on off signal 1 PV function Checking parameters Check the real temperature and expan...

Page 33: ...0 50 0 55 0 Evaaporating pressure Bars Water tank temperature oC Working diagram Inlet air temperature 7oC 2 50 2 70 2 90 3 10 3 30 3 50 3 70 3 90 4 10 4 30 4 50 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45...

Page 34: ...Brazing consummative 2 4 6 8 10 12 14 16 18 20 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 gas pressure Bars gas temperature oC Gas pressure of R134a acc to its temperature 1 50 1 60 1 70 1 80 1...

Page 35: ...ng Discharging refrigerant Recovery machine Scales High pressure hoses for refrigerant Refrigerant bottles full empty Special measuring instruments Multifunctioning tool for heat pump and air conditio...

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