Domestic-user-manual - Heat pump water Heater

Recommendations

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Rb) The main powersupply voltage is lowerthan 175V.Check and ensure that themains power supply cable',length and thickness, iswithin the specifications, ifnot replace with thickercable to ensure less voltagedrop.17 Frost or icec) No compressor relayoutput from the PCBoard.6. Thermal relay damaged. Replace the thermal relay.Check and/or replacecompressor relay or PCBoard.1. Fan is not working. Refer to "problem description No.15 ".2. Insufficient refrigerant or therefrigeration system is blocked.1. Find the cause of blockage and replace the filterand/or re-vacuum the system.2. Check for leakages, if found, repair and re-chargerefrigerant as per volume specification on label.3. If no leakage was found, re-charge refrigerant asper volume specification on label.3. The defrost parameter is not setcorrectly.Re-set the defrost parameter to the correct value.4. The defrost sensor is not placedcorrectly.Replace the defrost sensor to the correct position.5. The 4-way valve cannot be reversedCheck the 4-way valve to find the cause replace the(The winding is damaged or the valvewinding or the 4-way valve.cannot be correctly reversed).6. Controller is damaged. Replace the controller.7. The refrigeration system has aproblem.Check and repair refrigeration system.25
RSection 5Illustrated PartsComponents assemblyVDH 100 / VDH 200ITEM DISCRIPTION QTY ITEM DISCRIPTION QTY1 Base Plate 1 10 4’’ Stop Valve 12 Compressor, Rotary 1 11 Small Fixing Plate 13 Evaporator 1 12 Electronic compartment Board 14Fan Motor/Fan Motor/ FanGuard1 13 Side Panel 15 Medium Partition 1 14 Fan Panel 16 Four-way Valve 1 15 Fan Net 17 Filter 2 16 Valve Panel 18 Pressure Release Valve 1 17 Back Net 19 3’’ Stop Valve 1 18 Top Board 126
Page 1 and 2: User Manual& GUARANTEE CARDHeat Pum
Page 3 and 4: RSection 1IntroductionProduct Overv
Page 5 and 6: RDomestic Heat Pump Water Heater Sp
Page 7 and 8: RInstallation detailsAll criteria g
Page 9 and 10: RFigure 2The heat pump must be prot
Page 11 and 12: RPower supply1. If the supply volta
Page 13 and 14: RLCD User-Friendly Interface Contro
Page 15 and 16: RThe inquiry codes are from A1 to E
Page 17 and 18: RHeat pump ON/OFF timers:01—ON/OF
Page 19 and 20: RREMEMBER: All preset settings is r
Page 21 and 22: RSection 4General MaintenanceContro
Page 23 and 24: R7. Keep inspecting power and elect
Page 25 and 26: RProblems and Corrective ActionNO.1
Page 27: R12 Slowincrease ofwatertemperature
Page 31 and 32: WarrantySERVICE LOGDateDescription

Domestic-user-manual - Heat pump water Heater

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