Panasonic WH-MXF09D3E8 Service Manual

Also see for WH-MXF09D3E8: Design handbook Installation manual Installation manual Operating instructions Operating instructions

Panasonic WH-MXF09D3E8 Service Manual Manual pdf 44 page image

4412. Operation Control12.1 Basic FunctionInverter control, which equipped with a microcomputer in determining the most suitable operating mode as timepasses, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operatingmode, the microcomputer maintains the set temperature by measuring the temperature of the environment andperforming temperature shifting. The compressor at Mono bloc unit is operating following the frequency instructed bythe microcomputer at Mono bloc unit that judging the condition according to internal water setting temperature andwater outlet temperature.12.1.1 Heating Operation12.1.1.1 Thermostat control• Compressor is OFF when Water Outlet Temperature - Internal Water Setting Temperature > 2°C for continuously3 minutes.• Compressor is ON after waiting for 3 minutes, if the Water Outlet Temperature - Water Inlet Temperature(temperature at thermostat OFF is triggered) < -3°C.12.1.2 Tank Mode OperationControl contents:• 3 ways valve directiono 3 ways valve switch and fix to tank side.• Heat Pump Thermostat characteristico Water set temperature = tank set temperature or [55°C] whichever lower.o Heat Pump Water Outlet set temperature is set to Maximum (53°C) at tank modei. Case 1• THERMO OFF TEMP:1. THERMO OFF TEMP = Water set temperature + [+2°C].2. Tank temperature > THERMO OFF TEMP for continuous 3 minutes, heat pump OFF and water pumpOFF.• THERMO ON TEMP:1. THERMO ON TEMP = Water set temperature + [-3°C].2. When detect tank temperature < THERMO ON TEMP, water pump ON for 3 minute then heat pump ON.• Pump ON when Tank temperature is less than Tank temperature when Heat Pump Thermo Off– [-3°C].ii. Case 2• Heat pump THERMO OFF TEMP:1. Heat pump THERMO OFF TEMP = 53°C + [+4°C].2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 3 minutes, heat pump OFFbut water pump ON.• Heat pump THERMO ON TEMP:1. Heat pump THERMO ON TEMP = Water inlet during thermo off time + [-3°C].2. Heat pump ON back when water outlet temperature < Heat pump THERMO ON TEMP.iii. Case 3• Heat pump THERMO OFF TEMP:1. Water inlet temperature > 55°C for continuous 60 sec, heat pump OFF and water pump OFF.• Heat pump THERMO ON TEMP:1. Heat pump THERMO ON TEMP = Water inlet during thermo off time + [-3°C].2. Water pump ON back when tank temp. < tank temp. when heat pump thermo off + [-3°C].3. Heat pump only ON back after water outlet temperature < Heat pump THERMO ON TEMP & waterpump ON for 3 minutes.