LG AP-Z Series - Heating Mode Operation

Operation Details
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Only for training and service purposes
LGE Internal Use Only
5. Heating Mode Operation
The unit will operate according to the setting by the remote controller and the operation diagram is shown as
following.
Intake Air Temp.
Setting Temp.
(Compressor ON)
Setting Temp. -1°C
Indoor Fan Speed
Compressor
Electric Heater(Option)
ON
ON
OFF ON OFF
OFFOFF ON OFF
OFF
Hot
Start
minimum
10sec.
minimum
10sec.
minimum
10sec.
minimum
10sec.
OFF
AA
OFFLOW LOW
Setting Temp. +1°C
(Compressor OFF)
Selecting
fan speed
Selecting
fan speed
• A point: The indoor pipe temperature to be less then 35°C & Discharge air Temperature to be less than 29°C.
The indoor fan operates for minimum 10sec. even if falls lower than 34°C.
Low(V)Stop(VI)
39˚C
Discharge Air Temp.
Indoor Pipe Temp.
34˚C
28˚C
26˚C
Selecting Fan Speed(IV)
Low(II)Stop(I)
(Hot-Start Operating)
Heating Start
(Hot-Start Release Point)
Selecting Fan Speed(III)
※ During heating operation, the operating procedure of the indoor fan is as the following.
Step Indoor fan speed Pipe temp. Air discharge temp.
Ⅰ Off ≤28。C(Hot start operating) -
Ⅱ Low ≥28。C < 39°C
Ⅲ Selecting speed ≥28。C ≥ 39°C
Ⅳ Selecting speed ≥28。C > 34°C
Ⅴ Low ≥26。C ≤ 34°C
Ⅵ Off ≤26。C -