4-7. 4-way valve coil (solenoid coil)/4-way valve
¢
Models: ABYG18KRTA, ABYG22KRTA, ABYG24KRTA,
ABYG30KRTA, ABYG36KRTA and ABYG45KRTA
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
- (03-58) -
4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Summary of Contents for ABYG18KRTA
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2020 11 16 SR_CH01_AB004EF_03 ...
Page 24: ...2 2 Outdoor unit 01 18 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...
Page 25: ...2 TECHNICAL DATA AND PARTS LIST 2020 12 09 SR_CH02_AB004EF_05 ...
Page 71: ...3 TROUBLESHOOTING 2020 07 01 SR_CH03_AB004EF_01 ...
Page 74: ......
Page 138: ...5 2 Outdoor unit 03 64 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Page 139: ...4 CONTROL AND FUNCTIONS 2020 07 01 SR_CH04_AB004EF_01 ...
Page 141: ...8 8 High temperature and high pressure release control 04 42 CONTENTS continued ...
Page 142: ......
Page 187: ...5 FILED WORKING 2020 07 01 SR_CH05_AB004EF_01 ...