4-7. 4-way valve coil (solenoid coil)/4-way valve
¢
Model: AOHG54KRTA
Check point 1. Check connection
•
Check the connection of connector P60.
P
6
0
BLACK
SOLENOID COIL
4WV
1 1
3 3
BLACK
↓
Check Point 2 : Check solenoid coil
Remove P60 from PCB and check the resistance value of coil.
Resistance Value ≈ 1.97 kΩ
→ If it is Open or abnormal resistance value, replace solenoid coil.
↓
Check Point 3: Check operation of 4 way valve
Check each piping temperature, and confirm the location of the valve by the temperature difference
Heating Operation
Heating Operation
AC
SOLENOID COIL
4WAY VALVE
HOT GAS
HOT GAS
ON
Cooling Operation
Cooling Operation
AC
SOLENOID COIL
4WAY VALVE
HOT GAS
HOT GAS
OFF
→ If the valve location is not proper, replace 4 way valve.
↓
Check Point 4: Replace main PCB
If none of Checks 1 to 3 apply, replace the main PCB.
4-7. 4-way valve coil (solenoid coil)/4-way valve
- (03-56) -
4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ABHG54KRTA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2020 04 16 SR_CH01_AB007EG_01 ...
Страница 12: ...2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 11 16 SR_CH02_AB007EG_02 ...
Страница 31: ...3 TROUBLESHOOTING 2020 07 29 SR_CH03_AB007EG_01 ...
Страница 34: ......
Страница 95: ...4 CONTROL AND FUNCTIONS 2020 07 29 SR_CH04_AB007EG_01 ...
Страница 97: ...8 8 High temperature and high pressure release control 04 29 CONTENTS continued ...
Страница 98: ......
Страница 129: ...5 FILED WORKING 2020 07 29 SR_CH05_AB007EG_01 ...