Hitachi RWM-(H)FSN3E, Service Manual

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11 Servicing
SMGB0070 rev. 1 - 08/2011
294
Remove the fan motor connector from the PCB3 and PCB5
at the electrical box.
• Cut off the cable tie that fixes the lead wire of the fan
motor.
• Remove the four (4) screws that fix the motor to the mo -
tor clamp.
Fix the motor wire with the cable tie or the cord clamp. If not,
it may cause the disconnection of the fan motor’s lead wire.
In order to avoid cutting edges, mount the rubber bush at
the partition plate when inserting the motor wire through it.
If not, it may cause the disconnection to the fan motor’s
lead wire.
No. Part
1 Partition plate
2 Cord holder or cable tie
3 Rubber bush
1
2
3
Install DC motor to this position
facing down the trap
Fan components and technical features
Power supply 3N~ 380-415V 50Hz
Fan motor comp.No.
DC fan motor
PCB5
PCN203
CN201
AC fan motor
PCB3
PCN404 (White)
Screw for motor fixing
DC Fan Motor M6 Screw with spacer x 4
AC Fan Motor M8 Screw x 4
Motor clamp and wiring fixing position
No. Part
1 Motor clamp
2
Fan motor lead wire
3
Cable tie
4
DC fan motor
5
AC fan motor
1
2
4
5
3
N O T E
• When assembling the motor, ensure the cables section directly downwards. Fix the protection tube edge end
downwards to ensure water from keeping inside it
• Fix the motor wires onto the motor clamp with a cable tie to prevent them from collisioning the fun blades.
• Assembling the fan blade: Insert the skidding protection part of fan boss in accordance with the cutting part
of the motor shaft, and fix the screw after dismounting the screwed part of the shaft. (Tightening Torque of 20
N.m)
• When connecting the motor wire, check to ensure that the colors of the connectors on the PCB3 and PCB5 are
matched with the wires.
• Fix the air outlet grille firmly to the shroud.