106
No.
Part name
Fan motor fan
Procedure
1. Detachment
1) Perform work of procedure 1. of
.
2) Remove clamps of the lead wires which are
connected to the following connectors of
the control P.C. board.
NOTE)
Be sure to unlock the lock of the housing before
removing the connector.
CN333: Fan motor power supply
(5P: White)
CN334: Fan motor position detection
(5P: White)
3) Remove the hooking claws at both sides of
the fan case (lower) and remove the fan by
pulling out it from the partition board.
4) Loosen hexagon socket head screw of the
fan.
5) Remove screws of the fixing bracket while
holding the fan motor, and then remove the
fan and the fan motor. Earth wires of the
motor are tightened together.
2. Attachment
1) Insert the fan into the shaft of the motor
and screw the fan motor with the fixing
bracket. (Tighten earth lead wires of the
motor together as before.) For the boss of
the fan, attach hexagon socket head screw
to shaft of the motor matching the marked
position of the shaft with groove of the fan.
NOTE)
Match the rotation direction of the motor with that
of the fan, and fix the fan motor so that the motor
lead section comes to the piping side referring to
the right photo,
2) Determine the position so that the fan
locates at the center against the fan case
(upper), and then fix the fan with hexagon
socket head screw.
NOTE)
For fixation, use a torque wrench and tighten with
4.9 N•m or more.
3) Mount the fan case (lower) as before, and
check the fan smoothly rotates without
contacting with fan case.
4) Connect the connectors disconnected in
procedure 1.
5) Fix parts as before in order of Electric parts
cover
→
Suction grille.
Remarks
Hooking claw
Relief groove
Pipe side
Earth wires
(Tightening together)
Fan case (Upper)
Motor lead section
Fixing bracket
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