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4-3. Outdoor unit Electronic Expansion Valve (EEV)
¢
Models: AOYG09KVCBN, AOYG12KVCBN, and AOYG14KVCBN
Check point 1. Check connections
Check connection of connector. (Loose connector or open cable)
NOTE:
For details of wiring diagram, refer to
Check point 2. Check coil of EEV
Remove connector, check each winding resistance of coil.
Read wire
Resistance value
White - Red
46 Ω ±4 Ω
at 20 °C
Yellow - Red
Orange - Red
Blue - Red
→ If Resistance value is abnormal, replace EEV.
Check point 3. Check voltage from main PCB
Remove connector and check voltage (DC 12 V)
→ If it does not appear, replace main PCB.
Check point 4. Check noise at start up
Turn on the power and check the operation noise.
→ If an abnormal noise does not show, replace main PCB.
Check point 5. Check opening and closing operation of valve
When valve is closed, it has a temp. difference
between inlet and outlet
Pipe (In)
Pipe (Out)
Hi TEMP.
Normal TEMP.
CLOSE
Example : Hot Gas
If it is open, it has no temp. difference between
inlet and outlet
Pipe (In)
Hi TEMP.
OPEN
Example : Hot Gas
Pipe (Out)
Hi TEMP.
4-3. Outdoor unit Electronic Expansion Valve (EEV)
- (03-40) -
4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING
Содержание AGYG09KVCB
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2020 10 05 SR_CH01_AG002EF_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 11 25 SR_CH02_AG002EF_02 ...
Страница 37: ...3 TROUBLESHOOTING 2020 11 11 SR_CH03_AG002EF_01 ...
Страница 39: ...5 1 Indoor unit 03 44 5 2 Outdoor unit 03 45 CONTENTS continued ...
Страница 40: ......
Страница 87: ...4 CONTROL AND FUNCTIONS 2020 11 11 SR_CH04_AG002EF_01 ...
Страница 121: ...5 FILED WORKING 2020 11 11 SR_CH05_AG002EF_01 ...