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13.2 Indoor Fan Motor Operation
13.2.1 Basic Rotation Speed
Manual Fan Speed
o Fan motor’s number of rotation is determined according to remote control setting.
Remote control ○ ○ ○ ○ ○
Tab Hi Me+ Me Me- Lo
Auto Fan Speed
o According to room temperature and setting temperature, indoor fan speed is determined automatically.
o The indoor fan will operate according to pattern below.
Fan Speed a b c d e f g h a b
Highe
[1 pattern : 10s]
Quiet Fan Speed
o To provide quiet operation compare to normal operation.
Feedback control
o Immediately after the fan motor is started, feedback control is performed once every second.
o During fan motor on, if fan motor feedback ≥ 2550 rpm or < 50 rpm continuously for 10 seconds, the fan
motor error counter increased; fan motor is then stopped and restarted. If the fan motor error counter
increased to 7, then H19 – fan motor error is detected. Operation stopped and could not be restarted.
13.3 Outdoor Fan Motor Operation
Outdoor fan motor is operated with one fan speed only. Outdoor fan turns on when compressor starts to operate. But
outdoor fan will turns off 30 seconds after compressor stops to operate.
ON ON
Compressor OFF
ON Fan Speed ON
Outdoor Fan 30 sec OFF
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