Mitsubishi Electric Mr.SLIM PUHZ-RP1.6VHA Technical & Service Manual page 103

Split-type, heat pump air conditioners
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OPERATING PROCEDURE
5. Removing the thermistor <Outdoor 2-phase pipe> (TH6)
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Disconnect the connectors, TH6 and TH7 (red), on the
controller circuit board in the electrical parts box.
(4) Loosen the 2 wire clamps on top of the electrical parts box.
(5) Pull out the thermistor <Outdoor 2-phase pipe> (TH6)
from the sensor holder.
Note: In case of replacing thermistor <Outdoor 2-phase
pipe> (TH6), replace it together with thermistor
<Outdoor> (TH7) since they are combined together.
Refer to No.5 below to remove thermistor <Outdoor>.
6. Removing the thermistor <Outdoor> (TH7)
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Disconnect the connector TH7 (red) on the controller circuit
board in the electrical parts box.
(4) Loosen the 2 wire clamps on top of the electrical parts box.
(See photo 10.)
(5) Pull out the thermistor <Outdoor> (TH7) from the sensor
holder.
Note: In case of replacing thermistor <Outdoor> (TH7),
replace it together with thermistor <Outdoor 2-
phase pipe> (TH6), since they are combined together.
Refer to No.4 above to remove thermistor <Outdoor
2-phase pipe>.
7. Removing the thermistor <Outdoor pipe> (TH3) and
thermistor <Discharge> (TH4)
(1) Remove the service panel. (See figure 1.)
(2) Disconnect the connectors, TH3 (white) and TH4 (white),
on the controller circuit board in the electrical parts box.
(3) Loosen the clamp for the lead wire in the rear of the
electrical parts box. (See photo 4.)
(4) Pull out the thermistor <Outdoor pipe> (TH3) and
thermistor <Discharge> (TH4) from the sensor holder.
Photo 10
Electrical
parts box
Photo 11
Thermistor
<Outdoor>
(TH7)
Photo 12
Thermistor
<Discharge>
(TH4)
103
PHOTOS
Thermistor
<Outdoor 2-phase pipe>
(TH6)
Clamp
Sensor holder
Thermistor
<Outdoor pipe>
(TH3)
Motor for
compressor
(MC)

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