Automatic Refrigerant Amount Judgement
General Installation
Procedure :
1. Turn ON power supply of Indoor and Outdoor unit.
(supply should be on for more than 12 hours)
2. Turn ONDSW5 pin 4 : 7 segment will display FGCH
3. Press PSW1 : 7 segment will display Ch.01
(outdoor fan & compressor on standby)
4. Outdoor fan & compressor will be activated: 7 segment will display Ch.02.
5. It will take about 40minutes to get the judgement result
(as below):
7-segment lndication
Remarks
Sufficient
Refrigerant
The refrigerant amount is sufficient.
Excessive
Refrigerant
The refrigerant amount is excessive.
Calculate additional refrigerant amount again and
collect the refrigerant using the refrigerant collector.
Insufficient
Refrigerant
The refrigerant amount is insufficient.
Calculate additional refrigerant amount again and
charge the refrigerant.




