High Wall, Heat Pump Type
Service Manual
101
Toshiba
11-3-2. Front Cabinet
Detachment
1) Perform all steps of detachment in
11-3-1.
Common Procedure
.
2) Remove the following screws:
Screws (ST1TØ4 × 8L 2 pcs.) fixing the front
cabinet and the inverter cover
Front cabinet bottom screws (ST1TØ4 × 8L 3
pcs.)
Screws (ST1TØ4 × 8L 2 pcs.) fixing the front
cabinet and the motor base
Screw (ST1TØ4 × 8L 1PC.) fixing the front
cabinet and the side cabinet (right)
• The front left aside of the front cabinet is
fitted with the side cabinet (left), so pull up
the front cabinet to remove it.
Attachment
1) Insert the front left claw into the side cabinet
(left).
2) Hook the bottom part on the front right side to
the concave of the bottom plate. Insert the claw
of the side cabinet (right) into the rectangular
hole in the front cabinet.
3) Install the removed screws to their original
positions.
11-3-3. Control Board Assembly
Detachment
1) Perform all steps of detachment in
11-3-1.
Common Procedure
.
2) Remove the screws (ST1TØ4 × 8L 2 pcs.)
fixing the front cabinet and the inverter cover.
NOTE
• Detach the inverter cover in this state, which
enables you to check the control P.C. board.
• If there is not enough space above the upper
cabinet, perform step
11-3-2.Front Cabinet
.
CAUTION
Be very careful when checking the control P.C. board
because high-voltage circuit is mounted on it.
3) Discharge the control P.C. board.
Connect a discharging resistor (approx. 100
Ω
40W) between the
and
terminals of
electrolytic capacitors C08, C09, and C10 on
the board or by contacting the plug of a
soldering iron with the pins.
NOTE
Be sure to discharge these electrolytic capacitors
because they cannot naturally discharge depending on
the fault state, and a voltage may remain.
CAUTION
• Be sure to discharge these electrolytic capacitors
because they cannot naturally discharge depending
on the fault state, and a voltage may remain.
Front cabinet
Screw for the front cabinet
and the side cabinet (right).
Concave
Claw
Rectangular hole
Inverter cover
Control P.C. board
(solder side)
Plug of
soldering iron
Discharge for
at least 10 seconds
+00A08-010_01EN_SVM_HighWallHeatPump.book Page 101 Wednesday, March 4, 2009 11:22 AM
