Removing The Thermistor - Mitsubishi Electric PUZ-ZM100VKA Service Manual

OPERATING PROCEDURE
5. Removing the thermistor <2-Phase Pipe> (TH6)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the connector TH7/6 (RD) on the controller
circuit board in the electrical parts box. (See Photo 4 or 5)
(4) Loosen the fastener for the lead wire in the electrical parts box.
[Removing the thermistor <2-phase pipe> (TH6) for V model]
(5) Remove the cont. box top fixing screws (4 on top/ 4 x 10)
to remove the cont. box top.
(6) Loosen the lead wire from the edge cover in the electrical
parts box.
(7) Loosen the clamp for the lead wire in the electrical parts box.
(8) Pull out the thermistor <2-phase pipe> (TH6) from
thermistor clip.
[Removing the thermistor <2-phase pipe> (TH6) for Y model]
(5) Loosen the clamp for the lead wire on the top of electrical parts box.
(6) Pull out the thermistor <2-phase pipe> (TH6) from thermistor clip.
Note: When replacing thermistor <2-phase pipe>
(TH6), replace it together with thermistor
<Ambient> (TH7) since they are combined
together. Refer to procedure No.6 on the next
page to remove the thermistor <Ambient> (TH7).
6. Removing the thermistor <Ambient> (TH7)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the connector TH7/6 (RD) on the controller
circuit board in the electrical parts box. (See Photo 4 or 5)
(4) Loosen the fastener for the lead wire in the electrical parts box.
[Removing the thermistor <Ambient> (TH7) for V model]
(5) Remove the cont. box top fixing screws (4 on top/ 4 x 10)
to remove the cont. box top. (See Photo 6)
(6) Loosen the lead wire from the edge cover in the electrical
parts box.
(7) Loosen the clamp for the lead wire in the electrical parts box.
(8) Pull out the thermistor <Ambient> (TH7) from thermistor holder.
[Removing the thermistor <Ambient> (TH7) for Y model]
(5) Loosen the clamps for the lead wire on top of the electrical
parts box.
(6) Pull out the thermistor <Ambient> (TH7) from thermistor holder.
Note: When replacing thermistor <Ambient> (TH7),
replace it together with thermistor <2-phase pipe>
(TH6), since they are combined together. Refer to
procedure No.5 in the previous page to remove the
thermistor <2-phase pipe>(TH6).
OCH654
Photo 11
Cont. box top
Photo 12
Lead wire of thermistor <Ambient> (TH7)
107
PHOTOS
Cont. box top
Electrical parts box
fixing screws
Cont. box top
Thermistor
fixing screws
<2-phase pipe> (TH6)
Sensor holder