High Wall, Heat Pump Type
Service Manual
106
Toshiba
2) Extract refrigerant gas.
3) Remove the partition board.
(ST1TØ4 × 8L 3 pcs.)
4) Remove the sound-insulation material and the
sensor.
5) Remove the screw (ST1TØ4 × 8L 1 pc.) fixing
the bottom plate and the heat exchanger.
6) Remove the screw (ST1TØ4 × 8L 1 pc.) fixing
the bottom plate and the valve fixing plate.
7) Remove the weldment connected to the
compressor with a burner.
REQUIREMENT
Be careful not to bring the flame of the burner close to
electric components, sensors, or the compressor. (This
may result in a malfunction.)
8) Pull up the refrigeration cycle.
9) Remove the compressor bolt fixing the
compressor to the bottom plate.
10)Detach the compressor from the bottom plate.
11)Remove the 4-way valve assembly (Fig. A)
from the refrigeration cycle.
NOTE
When assemblies the compressor:
• Tighten the compressor bolt to a tightening torque
of 4.9N
·
m (50kgf
·
cm).
• Be careful not to get the coil lead wire burned.
• Be careful not to forget to install any sensor.
When replacing the compressor assembly, replace it
together with the 4-way valve assembly shown in Fig.
A.
* Failure to do so may result in a failure.
11-3-9. Heater for Antifreeze
Detachment
1) Perform steps in
11-3-8.Compressor
Assembly
(except for step 6).
2) Remove the cord retainer.
(ST1TØ4 × 10L 1pc.)
3) Remove the 12 cord clamps fixing the heater to
the bottom plate, and detach the heater.
4) Attach a new heater to the bottom plate using
the cord retainer and cord clamps supplied with
the heater assembly (for service).
(Part number: 375-57-729)
11-3-10.Fan Guard
Detachment
1) Perform the step of detachment in
11-3-2.
Front Cabinet
.
REQUIREMENT
Perform this work on a corrugated cardboard, cloth,
etc. to protect the product from damage.
2) Remove the front cabinet, and put it with the
fan guard facing down.
3) Release the hooking claws with a flat-blade
screwdriver as shown in the fight figure, and
remove the fan guard.
Partition board
Compressor
Valve
fixing plate
Fig. A
Bottom plate heater
Cord clamp
(12 locations)
Cord retainer
Flat-blade screwdriver
Hooking claw
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