Mitsubishi Electric EHPT20Q-VM2EA Service Manual page 54

DISASSEMBLY PROCEDURE
5-2. How to remove the thermistor THW3,THW4
(1) Remove the front panel.
(2) Remove the copper clamps of the thermistor
THW3,THW4 from the pipes.(Photo 5-4）
(3) Disconnect the connector (BLUE) of the thermistor
THW3,THW4 from the controller board.(Photo 5-5）
< CAUTION(1) >
To remove the thermistor THW3, remove the two
screws securing the controller box. Pull the controller
box forward about 30 degrees, then it makes easy to
remove the copper clamp of the thermistor THW3 .
(Below photos)
Before pulling the
controller box
forward
< CAUTION(2) >
Take care NOT to pull the lead wire strongly when
removing the thermistor.
< CAUTION(3) >
When placing a new thermistor, place it in the original
position where it was removed.
GCH15010
Screws
After pulling the
controller box forward
about 30 degrees
PHOTOS
Photo 5-4
< CAUTION >
The thermistor is located
inside insulation.
Thermistor THW3
Thermistor THW4
Photo 5-5
Connector (BLUE) of thermistor
THW3,THW4
Figure 2-2
Thermistor THW4
Connector (BLUE)
The thermistor THW3 and the thermistor THW4 are
assembled as shown in this Figure.
54
Thermistor THW3