Panasonic WH-UD05JE5 Service Manual

Also see for WH-ADC0309J3E5UK: Installation manual

Contents

Panasonic WH-UD05JE5 Service Manual Manual pdf 138 page image

1385 2 ways valve is close.6 Indoor water pump control:o Indoor water pump always turn ON if room heat pump thermo ON OR Tank thermo ON.14.1.12 Outdoor Fan Motor OperationOutdoor fan motor is adjusted according to operation condition. It starts when compressor starts operation and itstops 30 seconds after compressor stops operation.30 secCompressor: ONON Fan SpeedONONOFFOFFOutdoor Fan:14.2 Water Pump14.2.1 Water Pump Control Once the indoor unit is ON, the water pump will be ON immediately and no error judgment for 70 seconds.However, during this 70 seconds operation, if there is any abnormality cause at outdoor or malfunction, thecompressor should be OFF immediately and restart delay after 3 minutes. The system will start checking on the water flow level after operation start for 70 seconds. If water flow level isdetected low continuously 60 seconds, the water pump and the compressor will be OFF permanently andOFF/ON control panel LED will blink (H62 error occurs). When error happens, the power has to be reset to clear the error. If there is no error indication, the water pump shall be continuously running. The water pump will remain ON when compressor OFF due to thermostat OFF setting is reached. Water pump will OFF when room thermo OR tank thermo OR buffer tank thermo OFF. Water pump will delay 15 seconds to turn OFF when request to OFF except during anti-freeze deice activate orair purge mode.YESNONOYESYESPump ON RequestON Water PumpPump ON Time≥ 70 Sec?Water Flowrate Abnormal> 60 Sec?OFF Water Pump H62 Error Displayat Remote ControllerMaximum pump speed setting on remote control1) When Pump flowrate setting is ∆TStandard pump speed is automatically controlled to get the designed water temperature different between waterinlet and outlet (∆T). The maximum pump speed setting limitation can be adjusted by the installer according towater circuit pressure drop condition.