SERVICE PARTS INFORMATION 3
Check Point 2 : Check Coil of EEV
Yellow - Red
Orange - Red
Blue - Red
White - Red
Read wire
46
4
Resistance value
Check Point 1 : Check Connections
Check Point 5 : Check Opening and Closing Operation of Valve
Check Point 3 : Check Voltage from Main PCB.
Check Point 4 : Check Noise at start up
Pipe (In)
Pipe (Out)
Hi TEMP.
Pipe (In)
Hi TEMP.
Normal TEMP.
CLOSE
Example : Hot Gas
OPEN
Example : Hot Gas
Pipe (Out)
Hi TEMP.
Pipe (In)
Pipe (Out)
Pipe (In)
Pipe (Out)
Check Point 6 : Check Strainer
DC
EXPANSION
VALVE COIL
EV
RED
BLUE
ORANGE
YELLOW
WHITE
1
2
3
4
5
at
20°C
Outdoor unit Electronic Expansion Valve
( EEV )
Check connection of connector (CN40)
( Loose connector or open cable )
Remove connector, check each winding
resistance of Coil.
If Resistance value is abnormal, replace EEV.
Remove Connector and check Voltage (DC12V)
If it does not appear, replace Main PCB.
Turn on Power and check operation noise.
If an abnormal noise does not show,
replace Main PCB.
When Valve is closed,
it has a temp. difference between Inlet and Outlet.
If it is open,
it has no temp. difference between Inlet and Outlet.
Strainer normally does not have temperature difference between inlet and outlet as shown in ,
but if there is a difference as shown in , there is a possibility of inside clogged. In this case, replace Strainer.
02-32
1
2
3
4
5
CN40
[09/12L]
CN700
[14L]
Summary of Contents for AO*G09LTCN
Page 4: ......
Page 5: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...
Page 26: ......
Page 27: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...
Page 64: ......
Page 65: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...
Page 71: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan September 2011 Printed in Japan ...