5-6 FUNCTION
05-08
5-6-1 Auto Restart
The air conditioner restarts with the previous setting operation.
5-6-2 Icing Protection Control
5-6-3 Oil Recovery Operation
[Oil recovery 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.
3 sec ON 1 sec OFF Blinking
Indoor unit LED : Operation LED
Indoor fan : Same operation before oil recovery operation. (Cooing mode)
Stop (Heating mode)
Indoor EEV : Control pulse
During the above operation, a refrigerant noise may be from the indoor unit.
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 TA" continues *10 minutes or more.
Compressor is operation more than 3 minutes.
When "Heat exchanger middle temperature TA" continues 4 minutes or more.
(2) Operation
EEV is closed.
Fan is at the setting amount.
(3) Completing Condition
Heat exchanger inlet and middle temperature TB
After more than 5 minutes
*
Drain pump turns off at 60 minutes past the completion of the icing protection operation.
TA
TB
*1°C
7°C
*Compact wall and Ceiling wall are 4 minutes
*Compact wall and Ceiling wall are 3°C
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