Panasonic CU-E18DBE Service Manual

Also see for CS-E15DD3EW: Service manual Service manual Operating instructions Operating instructions Operating instructions

Panasonic CU-E18DBE Service Manual Manual pdf 18 page image

8.1.5. Automatic OperationThis mode can be set using remote control and the operation is decided by remote control setting temperature, indoor intake airtemperature and outdoor air temperature.During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 30 seconds to detectthe indoor intake and outdoor air temperature. The operation mode is decided based on below chart.Values of T1, T2, and T3 depend on remote control setting temperature, as shown in below table. After the adjustment of T1, T2and T3 values, the operation mode for that particular environment and remote control setting is judged and performed, based onthe above operation mode chart, every 30 minutes.Remote Control Setting Temperature (°C) T1 T2 T316 ~ 18 +10 -3 -519 ~ 22 +8 -3 -723 ~ 26 +7 -3 -727 ~ 30 +6 -3 -8There is a temperature shifting on T1, T2, and T3 if the operation mode judged is changed from Cooling/Soft Dry to Heating or viceverse.Operation Mode change from Temperature shifts (°C)Cooling/Soft Dry → Heating -2Heating → Cooling/Soft Dry +2Example of operation mode chart adjustment:From the above table, if remote control setting temperature = 25,T1 = 25 + 7 = 32; T2 = 25 - 3 = 22; T3 = 25 - 7 = 18The operation mode chart for this example is as shown in below figure and the operation mode to be performed will depend onindoor intake air temperature and outdoor air temperature at the time when the judgment is made.18CS-E15DD3EW CU-E15DBE / CS-E18DD3EW CU-E18DBE