Gree Versati II Series 서비스 매뉴얼 - 페이지 6

{카테고리_이름} Gree Versati II Series에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Gree Versati II Series 18 페이지. Air-to-water heat pump monobloc versati
Gree Versati II Series에 대해서도 마찬가지입니다: 매뉴얼 (13 페이지)

페이지 인쇄
Gree Versati II Series 서비스 매뉴얼
Test Operation & Troubleshooting & Maintenance
3�2 Comp Low- pressure Protection E3

Comp Low-pressure Protection E3

Check if comp low-pressure switch
Check if the fans stop running or reverse
3�3 Comp Discharge Temp Protection E4

Comp Discharge Temp Protection E4

Measure if the exhaust
temperature of compressor
reaches120℃
Check if the the electronic
expansion valve is blocked
Check if the system has leaked
Repair the leakage of system
pipe and add refrigerant
according to the required volume
is broken or the wiring is loose.
no
no
Check if the system has leaked
no
yes
yes
no
yes
yes
Replace comp
low- pressure or rewire
yes
Check the fans
no
Repair the leakage of system
pipe and add refrigerant
according to the required volume
Measure if the
resistance of temperature
sensor is correct
yes
Replace the mainboard
of AP2
Replace the electronic
expansion valve
The refrigerant of the system is
not enough and add refrigerant
according to the required volume
4
no
Replace the corresponding
exhaust temperature
sensor