Mitsubishi Electric EHPT20Q-VM2EA Service Manual page 53

DISASSEMBLY PROCEDURE
5. How to remove the thermistor
There are three kinds thermistor in total as follows.
Each connector of thermistors is correspond to ①〜③
in Photo 5-1.
Thermistor - THW1,THW2
Thermistor - THW3,THW4
Thermistor - THW5A,THW5B
5-1. How to remove the thermistor THW1,THW2
(1) Remove the front panel.
(2) Remove the copper clamps of the thermistor
THW1,THW2 from the pipes.(Photo 5-2）
(3) Disconnect the connector (RED) of the thermistor
THW1,THW2 from the controller board.(Photo 5-3）
< CAUTION(1) >
Take care NOT to pull the lead wire strongly when
removing the thermistor.
< CAUTION(2) >
When placing a new thermistor, place it in the original
position where it was removed.
Photo 5-3
Connector (RED) of thermistor THW1,THW2
GCH15010
PHOTOS
Photo 5-1
CNW12 connector (RED)
CNW3 connector (BLUE)
CNW5 connector (WHITE)
Photo 5-2
< CAUTION >
The thermistor is located
inside insulation.
The state the thermistor
THW2 is removed.
The state the thermistor
THW1 is removed.
Figure 2-1
Thermistor THW1
Connector (RED)
The thermistor THW1 and the thermistor THW2 are
assembled as shown in this Figure.
53
Thermistor THW2