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Mitsubishi Electric PURY-HP72 Service Handbook page 331

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[8-17 BC Controller Maintenance Instructions ]
3. Thermistor (liquid pipe/gas pipe temperature detection)
Work procedure
(1) Remove the service panel.
1) For TH11, TH12, and TH15, refer to 1. 1), 2).
2) For TH16, refer to 1. 1), 2), 3). (GA type only)
(2) Remove the lead wire of the piping sensor from the
control board.
1) TH11,TH12 (CN10)
2) TH15,TH16 (CN11)
(3) Pull out the temperature sensor from the tempera-
ture sensor housing, and replace the temperature
sensor with the new one.
(4) Connect the lead wire of the temperature sensor se-
curely on the control board.
4. Pressure sensor
Work procedure
(1) Remove the service panel.
1) For the pressure sensors PS1 and PS3, refer to 1. 1), 2).
(2) Remove the pressure sensor connector in trouble
from the control board, and insulate the connector.
1) Liquid-side pressure sensor (CNP1)
2) Intermediate-part pressure sensor (CNP3)
(3) Attach a new pressure sensor to the place which is
shown in the figure, and insert the connector to the
control board.
When gas leaks from the pressure sensor, repair the
leak, and follow the instructions above if required.
HWE13080
*Special care must be taken when replacing heavy parts.
Explanatory figure
TH16
TH11
TH12
CMB-1016NU-GA
Explanatory figure
PS3
- 320 -
TH15
PS1
SVM1
GB

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