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3-6 FUNCTION
3-6-1 Auto Restart
The air conditioner restarts with the previous setting operation.
3-6-2 Freeze Prevention Control
The icing of the indoor heat exchanger is prevented during the cooling and dry mode operation.
(1) Starting Condition
Compressor is operation more than 3 minutes.
When "Heat exchanger inlet temperature
Compressor is operation more than 3 minutes.
When "Heat exchanger outlet temperature
(2) Operation
EEV is closed.
Fan is at the setting amount.
(3) Completing Condition
Heat exchanger inlet and middle temperature
After more than 5 minutes
*
Drain pump turns off at 60 minutes past the completion of the icing protection operation.
T
A
1°C
3-6-3 Oil Recovery Operation / Defrost Operation
[Oil recovery operation / Defrost operation] :
It periodically returns the residual refrigerant ion oil in the indoor unit and the connection piping back to the outdoor unit ,
and prevents the compressor oil level from decreasing.
Indoor unit LED : Operation LED
Indoor fan : Same operation before oil recovery operation in cooling operation or dry operation.(Heating operation: Stop)
Indoor EEV : Control pulse
During the above operation, a refrigerant noise might hear from the indoor unit.
T
" continues *4 minutes or more.
A
T
" continues 4 minutes or more.
A
T
B
T
B
7°C
6 sec ON 2 sec OFF
Blinking
03-11
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Troubleshooting
