AirStage AO54FJ, Руководство по обслуживанию

Страница: 122 / 169

SEVICE SEVICE PARTS PARTS INFORMATION 10 INFORMATION 10
EEV1 Outdoor unit
Check Point 1: Check Circuit connection Check Point 1: Check Circuit connection
Check wiring of connector CN17.
Check Point 5: Check the sound when power is turned ON Check Point 5: Check the sound when power is turned ON
If sound does not appear, replace Control PCB
Check the magnetized sound by the initial operation when power is turned on.
If its sound does not appear, replace Control PCB.
Check Point 2: Check Solenoid coil Check Point 2: Check Solenoid coil
Remove CN17 and check the resistance value of coil in the
motor.
BROWN BLUE
BROWN YELLOW
ORANGE –
–
–
–
–
–
WHITE
RED ORANGE
RED WHITE
BLUE YELLOW
Resistance Value
Read Wire
Check Point 4: Check voltage of Control PCB Check Point 4: Check voltage of Control PCB
Remove CN17, and check DC+12V Input voltage.
If there is 0V, replace main PWB.
If the resistance value is abnormal, replace Control PCB
P/No.
9900170028 (VALVE)
P/No.
9900190019 (Electric COIL)
Pipe (In)
Pipe (Out)
Hi TEMP.
Normal TEMP.
CLOSE
Example : Hot GUS
Pipe (In)
Pipe (Out)
Hi TEMP.
Hi TEMP.
OPEN
Example : Hot GUS
Check Point 6: Check Point 6:
Check Operation of solenoid valve, check Open / Close operation Check Operation of solenoid valve, check Open / Close operation by temperature difference by temperature difference
If there is a temperature difference between Strainer terminals, there is a possibility of clogging .Check the temperature
difference.
And check the movement of inside dirty by changing the operation mode from Cooling to Heating, or from Heating to Cooling.
Pipe (In) Pipe (Out)
Check Point 7: Check Point 7:
Check clogging of strainer Check clogging of strainer
Pipe (In) Pipe (Out)
Turn off the power source of PCB of the outdoor unit to
initialize the EEV for several times.
Check Point 3: Initialize of Positioning Check Point 3: Initialize of Positioning
43
85
85
43
06-52