Mitsubishi Electric PUHZ-RP200YKAR1 Service Manual page 118

OPERATING PROCEDURE
5. 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 clamp for the lead wire in the rear of the
electrical parts box. (See Photo 4)
(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. to remove thermistor
<Outdoor 2-phase pipe>.
6. Removing the thermistor <Discharge> (TH4) and thermis-
tor <Shell> (TH32)
(1) Remove the service panel. (See Photo 2)
(2) Remove the top panel. (See Photo 1)
(3) Remove the front panel. (See Photo 1)
(4) Remove the back panel. (See Photo 1)
(5) Remove the electrical parts box. (See Photo 5)
[Thermistor <Discharge> (TH4)]
(6) Pull out the thermistor <Discharge> (TH4) from the sensor
holder. (See Photo 8)
[Thermistor <Shell> (TH32)]
(6) Pull out the thermistor <Shell> (TH32) from the sensor
holder. (See Photo 8)
7. Removing the 4-way valve (21S4) and LEV coil (LEV (A),
LEV (B))
(1) Remove the service panel. (See Photo 2)
(2) Remove the top panel. (See Photo 1)
(3) Remove the front panel. (See Photo 1)
(4) Remove the back panel. (See Photo 1)
(5) Remove the electrical parts box. (See Photo 5)
[Removing the 4-way valve (21S4)]
(6) Remove 1 4-way valve fixing screw (M4 × 6).
(7) Remove the 4-way valve by sliding the coil to the right.
[Removing the LEV coil (LEV (A), LEV (B)) ]
(6) Remove the LEV coil by sliding the coil upward.
Photo 7
Electrical parts box
Photo 8
Thermistor <Shell> (TH32)
Photo 9
LEV coil (LEV A)
LEV coil (LEV B)
LEV
118
PHOTOS
Thermistor <Outdoor>
(TH7)
Sensor holder
Thermistor <Discharge>
(TH4)
4-way valve (21S4)
4-way valve
4-way valve fixing screw