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OPERATING PROCEDURE
2. Removing the fan motor (MF1)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the wire grille fixing screws (6 for front/ 5 × 12),
then slide the wire grille upward to remove it. (See Photo 1)
(4) Remove the screw of nut (1 for front/ M6), then slide the
propeller fan forward to remove it.
(5) Disconnect the connector CNF1 (WH) on the controller
circuit board in the electrical parts box.
(6) Loosen the clamps for the lead wire on motor support and separator.
(7) Remove the fan motor fixing screws (4 for front/ 5 × 20)
to remove the fan motor.
Note 1: When attaching the fan motor, make sure to route
the cable through the hook below the fan motor
and fix firmly with the clamp.
Note 2: Tighten the propeller fan nut with a torque
of 5.7 ± 0.3 N·m.
3. Removing the electrical parts box
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the power supply cable from terminal block.
(4) Disconnect the indoor/outdoor connecting wire from terminal block.
(5) Disconnect the connectors CNF1 (WH), TH3 (WH), TH4
(WH), TH7/6 (RD), TH32 (BK), TH33 (YE), 63H (YE),
63HS (WH), 21S4 (GN), LEV-A (WH), LEV-B (RD) and
LEV-C (BU)
*
from the controller circuit board.
(
1)
<Symbols on the board>
• Fan motor (CNF1)
• Thermistor <Liquid> (TH3)
• Thermistor <Discharge> (TH4)
• Thermistor <Ambient/2-Phase Pipe> (TH7/6)
• Thermistor <Suction> (TH32)
• Thermistor <Comp. Surface> (TH33)
• High pressure switch (63H)
• High pressure sensor (63HS)
• 4-way valve (21S4)
• LEV (LEV-A, LEV-B, LEV-C
(6) Disconnect the connectors ACL1 (RD), ACL2 (WH) and
ACL3 (BK) on reactors in the separator.*
(7) Remove the cover panel (front) fixing screws (1 for front
and 1 for right/ 5 × 12) to remove the cover panel (front).
(8) Loosen the clamps, fasteners, band and cable straps for
the lead wire in the electrical parts box and separator.
(9) To disconnect the COMP lead wire, remove the terminal cover.
(10) Remove the electrical parts box fixing screws (2 for front
and 1 for top/ 5 × 12), then slide the electrical parts box
upward to remove it.
(The electrical parts box is fixed to the side panel (R) with
a hook on the right side, and to the separator duct with a
hook on the left side.)
*
For SHWM model only
1
*
For Y-type model only
2
OCH809A
*
)
(
1)
2
PHOTOS/ FIGURES
Photo 2-1
Propeller
Nut
Front panel
Photo 3-1
Controller
circuit board
Terminal block
2
Reactors*
Cover panel
(front)
Photo 3-2
Comp felt
(top)
Comp felt
(body)
Photo 3-3
Electrical parts box fixing screw
74
Photo 2-2
Fan motor fixing screws
Fan motor
Lead wire of
fan motor
Electrical parts box
Electrical parts box
fixing screws
Valve bed
Cover panel
(rear)
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