Toshiba MMU-AP0074YH-E Service Manual page 114

No. Part name
10 PMV motor 1. Detachment
1) Perform work of procedure 1. of 8.
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.
11 Heat 1. Detachment
exchanger
1) Recover the refrigerant gas.
2) Remove the refrigerant pipe of the indoor unit.
3) Perform work of procedure 1. of 8.
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 ➝ Air intake grille.
2) Connect the refrigerant pipe as before, and then perform
vacuuming.
Procedure
113
Remarks
Relay connector
(In vinyl tube (Black))
Banding band
PMV motor PMV body
Fixing screw Pipe cover
Partition board (Pipe drawing port side)
Fixing screw
Partition board
Fixing screw