Panasonic CS-ME7QKUA Service Manual

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Panasonic CS-ME7QKUA Service Manual Manual pdf 23 page image

23[Heating]o According to indoor pipe temperature, automatic heating fan speed is determined as follows. Feedback controlo Immediately after the fan motor started, feedback control is performed once every second.o During fan motor on, if fan motor feedback ≥ 2550 rpm or < 50 rpm continue for 10 seconds, then fan motorerror counter increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, thenH19 - fan motor error is detected. Operation stops and cannot on back.12.3 Outdoor Fan Motor OperationOutdoor fan motor is operated with fan speed number of rotation. It starts when compressor starts operation and itstops 30 seconds after compressor stops operation.ON ONCompressor OFFON Fan Speed ONOutdoor Fan 30 sec OFF12.4 Airflow Direction There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed byvertical vanes). Control of airflow direction can be automatic (angles of direction is determined by operation mode, heatexchanger temperature and intake air temperature) and manual (angles of direction can be adjusted usingremote control).12.4.1 Vertical Airflow Automatic vertical airflow direction can be set using remote control; the vane swings up and down within theangles as stated above. For heating mode operation, the angle of the vane depands on the indoor heatexchanger temperature as Figure 1 below. When the air conditioner is stopped using remote control, the vanewill shift to close position. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above andthe positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, thevane will shift to close position.