Airwell AWPO-MAF009-C11, Service Manual

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ELECTRONIC FUNCTION
Portable MAF 14 Version - 0
(TA-Ts)
℃
+1
0
Heater on
Operation conditon
Heater off
7.7.2.1. When TA
﹤
TS, the indoor fan operates firstly, and then the heater operates after 4 seconds.
7.7.2.2. If TA
﹥
TS
＋
1
℃
, the heater stops. Then the heater turns off after 10 seconds.
When the unit is off at the heating mode, the indoor fan motor stops delaying for 10 seconds
7.7.3. The ION/TIMER functions are valid at the heating mode.

7.8 Heat pump mode (optional)
7.8.1. When TA
≤
TS+5
℃
, compressor operates; When TA
﹥
TS
＋
6
℃
, compressor stops.
When TA
﹤
5
℃
, heat pump mode is invalid, and water pump/indoor motor/outdoor
motor/compressor/ shaded pole motor stop; When TA
≥
6
℃
, heat pump mode resumes to be
valid.
7.8.2. At non-defrosting situation, shaded pole motor always stops ; Compressor operates; Outdoor
motor
is on at high speed. Then outdoor motor stops at a delay of 30s when compressor is off. When
unit is change for other mode(non-heating mode), Four-way valve shuts off at a delay of 2
minutes than compressor.
7.8.3. Condition of entering into defrosting mode: when the operation time of T3(T3
≤
2
℃
continuous)
is up to 2040minutes.
Defrosting motion:
1) Compressor operates; Four-way valve and indoor /outdoor motors shut off.
2) When TA
﹥
40
℃
or time is more than 7 minutes, outdoor motor is on until defrosting is over.