33
Pull cover upward
When the cover is pulled upward, the lock is
released in the sequence of 1 and 2.
9-2. Disconnecting and Connecting Positive Connector for Outdoor Unit
9-3. Replacing Thermistors (on outdoor unit) for Electronic Expansion
Valves
One of the two types of connectors illustrated at left is used.
The basic structure is the same for each.
How to Disconnect
Hold the resin connector cover, and pull the connector off.
You cannot disconnect the connector by pulling the wire
since it is locked inside. Always hold the cover to discon-
nect. (See illustration at left.) For the connector without the
resin cover, push the lock in the direction of “2” while
pulling it off.
How to Connect
Hold the resin cover of the connector and push it in.
Confirm the click sound for the inside lock to ensure a solid
connection.
WHT
A, B
BLK
C, D
C
C
A
A
B
B
D
D
A
B
C
D
MV
-A
A
MV
-B
MV
-C
MV
-D
B
C
D
MMV
Electrical component box
Electronic expansion valve for unit A
Electronic expansion
valve for unit C
Narrow tube
service valve
Thermistor for unit A
Wide tube
service valve
Thermistor for unit B
Thermistor for unit C
Thermistor for unit D
Electronic expansion valve for unit D
Electronic expansion valve for unit B
Main electronic expansion valve
Refer to the diagram at left when replacing thermistors (PBC-
41E-S25) for electronic expansion valves. (Refer to Section 6.
Refrigerant Flow Diagram)
