Johnson Controls YVAHP072B31S, Service Manual

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4-14
Service Manual
MAINTENANCE
TURN OFF all power source switches.
(3) Removing Wire
(a) Remove the service cover and the electrical box 1 cover according to Section 4.1.1 “Removing
Front Service Cover” and Section 4.1.4 “Removing Electrical Box Cover”.
(b) Disconnect the connector for the motor in the electrical box 1.
(4) Remove four screws securing the motor, and remove the motor.
(H,Y)VAHP072B(3,4)1S, (H,Y)VAHR072B(3,4)1S: M6
(H,Y)VAHP096, 120B(3,4)1S, (H,Y)VAHR096, 120B(3,4)1S: M5
(5) When reassembling the outdoor fan, perform the procedures for removal in reverse.
NOTES:
1. Fix the motor wire onto the motor clamp with the plastic tie to avoid contact with the propeller fan.
2. When mounting the propeller fan, place and push the propeller fan with matching the mark ( with
the cut out part of the motor shaft). Firmly install the propeller fan with a 22.1 lbf.ft (30N.m) torque
after the head of the fan shaft comes up.
Torque for Mounting Propeller Fan
22.1 lbf.ft (30N.m)
3. Connect the motor wire connector with the wire connector in electrical box 1.
(6) Check that the gap between the propeller fan and the upper cover is even by observing from the upper
cover top. Also check that there is no noise caused by the propeller fan coming in contact with the
upper cover during the propeller fan operation.
Tool
Adjustable Wrench, Wire Cutter, Phillips
Screwdriver, Puller
(H,Y)VAHP072B(3,4)1S, (H,Y)VAHR072B(3,4)1S: M6
(H,Y)VAHP096, 120B(3,4)1S, (H,Y)VAHR096, 120B(3,4)1S: M5
Screw
Fan Motor
Motor Shaft
Electrical Box 1
Wire Connector
(Connect inside
the electrical box 1
when reassembling.)
Motor Wire