Toshiba MMU-AP0152SH, Service Manual

Page: 109 / 119

109
No.
Š
Part name
PMV motor
Procedure
1. Detachment
1) Perform work of procedure 1. of
ˆ
.
2) Remove the relay connector of PMV motor.
(As the relay connectors are connected in the
vinyl tube, cut off the banding band fixing the
both ends of the tube and shift the tube to
remove relay connector.)
3) Peel off the butyl rubber adhered to the pulse
motor valve (PMV) body until PMV body
appears, and remove PMV motor after
loosening the nut fixing PMV motor with
double spanners.
2. Attachment
1) Mount PMV motor and the relay connector as
before.
NOTE)
Control tightening torque of PMV body and PMV
motor with 7.84 ± 0.98 N•m.
Remarks
1. Detachment
1) Recover the refrigerant gas.
2) Remove the refrigerant pipe of the indoor unit.
3) Perform work of procedure 1. of
ˆ
.
4) Remove the pipe cover by taking off fixing
screws of the cover. (Ø4 × 8, 2 pcs)
5) Remove the clamp which fixes TC1 sensor,
TC2 sensor and TCJ sensor, and then pull out
the sensors from the holder.
6) Remove the heat exchanger by taking off fixing
screws of the partition board while holding the
heat exchanger. (Ø4 × 8, 4 pcs)
2. Attachment
1) Fix parts as before in order of Heat exchanger
→
Sensors
→
Pipe cover
→
Drain cap
→
Drain pan
→
Ceiling panel
→
Electric parts
cover
→
Adjust cover
→
Suction grille.
2) Connect the refrigerant pipe as before, and
then perform vacuuming.
Heat exchanger
11
Relay connector
(In vinyl tube (Black))
Banding band
Fixing screw
PMV motor PMV body
Pipe cover
Partition board (Pipe drawing port side)
Fixing screw
Fixing screw
Partition board