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. +1°C
(Compressor OFF)
Setting Temp.
(Compressor ON)
Setting Temp. -1°C
Indoor Fan Speed
Compressor
Electric Heater(Option)
• A point: The indoor pipe temperature to be less then 35°C or Discharge air Temperature to be less than 29°C.
The indoor fan operates for minimum 10sec. even if the indoor pipe temperature falls lower than35°C
or the discharge air Temperature falls lower than 29°C.
¡ During heating operation, the operating procedure of the indoor fan is as the following.
Discharge Air Temp.
Indoor Pipe Temp.
Step
Indoor fan speed
¥
¥–
Selecting speed
¥†
Selecting speed
¥‡
¥·
¥
minimum
Hot
Start
minimum
1min
Selecting
OFF
LOW
fan speed
ON
OFF
ON
Stop(VI)
Low(V)
39˚C
34˚C
28˚C
26˚C
Heating Start
Stop(I)
(Hot-Start Operating)
Off
Low
Low
Off
A
10sec.
LOW
OFF
OFF
OFF
Selecting Fan Speed(IV)
(Hot-Start Release Point)
Low(II)
Pipe temp.
≤28°C(Hot start operating)
≥28°C
≥28°C
≥28°C
≥26°C
≤26°C
– 20 –
minimum
10sec.
Selecting
LOW
fan speed
ON
ON
Selecting Fan Speed(III)
Air discharge temp.
–
<39°C
≥39°C
>34°C
≤34°C
–
A
OFF
OFF
OFF