/ The defrosting cycle is 50 minutes from the start of heating mode operation.
B. Completion / Defrosting mode operation stops 12 minutes after it starts, or if the temperature
detected by the outdoor / unit heat exchanger outlet sensor is 25~C or higher. / After defrosting
is complete, hot starting commences.
C. Forced defrosting / If P8 on the outdoor unit circuit board is shorted while the compressor is
‘ON’ during heating mode operation / and the temperature detected by the outdoor unit heat
exchanger outlet sensor is 25~C or lower, defrosting / is carried out regardless of the current
starting conditions.
2. Operation
A. During defrosting, the outdoor unit turns on the compressor and turns off the outdoor unit fan
and the rever-
sing valve.
B. The indoor unit fan operates at LOW for 30 seconds after defrosting starts. After this, the
indoor unit fan turns off until defrosting is complete. / (During defrosting, the louvre of the
indoor unit stays at the horizontal.)
26.8. Indoor thermostat characteristic
1. Thermostat characteristic during cooling and heating modes
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