37
[Heating]
According to indoor pipe temperature, automatic heating fan speed is determined as follows.
B. Feedback control
Immediately after the fan motor started, feedback control is performed once every second.
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 one fan speed only. It starts when compressor starts operation and it stops 30
seconds after compressor stops operation.
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
Operation Mode
Vane Angle (°)
1 2 3 4 5
Cooling
Auto
Usual (Ventilation) 10 ~ 40
Control with dew 10 ~ 40
Manual
Usual (Ventilation) 10 17.5 25 32.5 40
Control with dew 10 17.5 25 32.5 40
Dry
Auto
Usual 10 ~ 40
Control with dew 10 ~ 40
Manual
Usual 10 17.5 25 32.5 40
Control with dew 10 17.5 25 32.5 40
Heating
Manual Usual 10 21.2 32.5 43.8 55
Auto
A 10
B 43.8
C 21.2
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