Service manual
19
9.4.3 Auto fan at cooling mode:
Condition
T=Indoor Temp.-Setting Temp.
Indoor fan speed
T<1.5
℃
Low
1.5
℃
<T<4
℃
Mid.
Room temp. up
T>4
℃
High
T> 3
℃
High
1
℃
<T<3
℃
Mid.
Room temp. down
T<1
℃
Low
9.4.4 Anti-freezing control to indoor evaporator at cooling mode( T: evaporator temp. )
Evaporator Temp. Compressor
0
℃
<T< 4
℃
Decrease frequency of compressor
T< 0
℃
Off
9.4.5 Rated capacity test
Set mode to cooling mode
Set temp. to 17°C
Set fan speed to high speed
Press economy button on remoter controller
After running for 5 hours, the rated capacity testing will be cancelled.
9.5 Dehumidifying mode
9.5.1 The 4-way valve is off.
9.5.2 The indoor fan is fixed in breeze speed
9.5.3 The action of compressor follows the rules below;
9.5.4 Low room temperature protection:
When room temperature decreases to below 10
℃
, compressor and outdoor fan will stop (indoor
fan is Breeze). Dehumidifying operation will be resumed when room temperature restores to over 12
℃
.
9.5.5 At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the same as
that of cooling mode.
Room temp.—setting temp.
2.5 F3
2.0
1.5 F2
1.0
0.5 F1
0.0
F1
