Hitachi Set Free mini-HNRQ1 Series, Service Manual

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MAINTENANCE
Model
Fan
Motor
Q’ty
Connector Securing Screw for Fan Motor
Securing Positions of Motor Clamp and Wires
Upper Fan
Motor
Lower Fan
Motor
Upper Fan
Motor
Lower Fan
Motor
3~3.5HP 1
O.U. PCB
PCN30
(Red)
/
M5 x 20
(Screw with
Spacer) x 4 /
4~6.5HP 2
O.U. PCB
PCN30
(Red)
O.U. PCB
PCN2
(Black)
M5 x 20
(Screw with
Spacer) x 4
M5 x 20
(Screw with
Spacer) x 4
7~12HP 2
O.U. PCB
CN801
(Red)
O.U. PCB
CN801
(White)
M5 x 20
(Screw with
Spacer) x 4
M5 x 20
(Screw with
Spacer) x 4
Notes:
(1) Mount the fan motor so that the wiring harness is at the bottom. (Adjust the position not to touch the propeller fan to shroud.)
(2) Secure the wiring for the motor with the provided clamp taking care to route and secure the wiring away from the propeller fan.
(3) Mount the fan motor so that the gap of wiring harness is at lowest position.
(4) Reinstalling Propeller Fan
Carefully align the D cut hole of propeller fan to match the shaft and slide on slowly. Once the propeller fan hits the stop on motor
shaft, using figures start closing nut and tighten to approximately 20 N∙m.
(5) After carefully routing and securing the wiring harness, reconnect motor connectors at the main PCB.
Ensure motor connectors are color matched at the PCB connections.
(6) Once motor(s) have been installed, reinstall metal, and plastic air outlet grilles. Be careful do not over tighten.
Motor Clamp
Cord Clamp
Fan Motor
Lead Wire For
Fan Motor
Lead Wire For
Fan Motor
Motor Clamp
Cord Clamp
Fan Motor
Fan Motor