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[Heating]
o According to indoor pipe temperature, automatic heating fan speed is determined as follows.
Feedback control
o 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 motor
error counter increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, then
H19 - fan motor error is detected. Operation stops and cannot on back.
12.3 Outdoor Fan Motor Operation
Outdoor fan motor is operated with fan speed number of rotation. It starts when compressor starts operation and it
stops 30 seconds after compressor stops operation.
ON ON
Compressor OFF
ON Fan Speed ON
Outdoor Fan 30 sec OFF
12.4 Airflow Direction
There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by
vertical vanes).
Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat
exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using
remote control).
12.4.1 Vertical Airflow
Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the
angles as stated above. For heating mode operation, the angle of the vane depands on the indoor heat
exchanger temperature as Figure 1 below. When the air conditioner is stopped using remote control, the vane
will shift to close position.
Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and
the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, the
vane will shift to close position.