OPERATING PROCEDURE
PHOTOS
60
PUHZ-W85VHA2R5.UK PUHZ-W85VHA2R5-BS.UK
1. Removing the service panel and top panel
(1) Remove 3 screws (5 × 12) and slide the hook on the right
downward to remove the service panel.
(2) Remove screws (3 for front, 3 for rear/5 × 12) of the top
panel and remove it.
Note: When removing service panel and top panel at the
same time, count one less screw since they share a
screw.
2. Removing the fan motor (MF1)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 5 screws (5 × 12) to detach the fan grille.
(See Photo 1)
(4) Remove a nut (for right handed screw of M6) to detach the
propeller. (See Photo 2)
(5) Disconnect the connector CNF1 on controller circuit board
in electrical parts box.
(6) Loosen the clamp for the lead wire on motor support and
separator.
(7) Remove 4 screws (5 × 25) to detach the fan motor.
(See Photo 3)
* When attaching the fan motor, make sure to route the cable
through the hook below the fan motor and fix firmly with the
clamp. (See Photo 3)
Photo 2
Propeller
Front panel
Front panel fixing screws
Nut
Fan motor fixing screws
Fan
motor
(MF1)
Photo 3
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 indoor/outdoor connecting wire from termi-
nal block.
(4) Disconnect the connector CNF1, LEV-A and LEV-B on the
controller circuit board.
<Symbols on the board>
••CNF1•:•Fan•motor
••LEV-A,•LEV-B•:•LEV
(5) Disconnect the pipe-side connections of the following parts.
•
••Thermistor•<Liquid>•(TH3)•
•
••Thermistor•<Discharge>•(TH4)•
•
••Thermistor•<Ambient,•Plate•HEX•liquid>•(TH7/6)•
•
••Thermistor•<Heat•sink>•(TH8)•
•
••Thermistor•<Inlet•water>•(TH32)
•
••Thermistor•<Comp.•surface>•(TH33)
•
••High•pressure•switch•(63H)•
•
••High•pressure•sensor•(63HS)•
•
••4-way•valve•coil•(21S4)•
(6) Release the lead wire from the hole on separator.
(7) Remove the terminal cover and disconnect the compressor
lead wires.
(8) Remove a screw (4 × 10) and detach the electrical parts
box by pulling it upward. The electrical parts box is fixed
with 2 hooks on the left and 1 hook on the right.
Photo 4
Electrical parts box
Electrical parts box
fixing screw
(4 x 10)
Controller circuit board (C.B.)
Photo 1
Top panel fixing screws
Top panel
Service panel
fixing screws
Service panel
Grille fixing screws
Fan grille
Slide
Hook*
Fan
motor
fixing
screws
OCH465D
