Disassembly Procedure - Mitsubishi Electric PUHZ-HRP200YKA Service Manual

9

DISASSEMBLY PROCEDURE

PUHZ-HRP200YKA
OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) Remove 3 service panel fixing screws (5 × 10) and slide
the hook on the right downward to remove the service
panel.
(2) Remove screws (3 for front, 3 for rear/5 × 10) of the top
panel and remove it.
2. Removing the fan motor (MF1, MF2)
(1) Remove the service panel. (See Photo 1.)
(2) Remove the top panel. (See Photo 1.)
(3) Remove 4 fan grille fixing screws (5 × 10) 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 connectors, CNF1, CNF2 on controller cir-
cuit board in electrical parts box.
(6) Remove 4 fan motor fixing screws (5 × 20) to detach the
fan motor. (See 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 connecting wires from terminal block.
(4) Disconnect the connectors on the controller circuit board.
(5) Remove the terminal cover and disconnect the compres-
sor lead wire.
(6) Remove 2 electrical parts box fixing screws (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.
PHOTOS & ILLUSTRATION
Photo 1
Grille
fixing
screws
Grille
fixing
screws
Photo 2
Front panel
Propeller
Nut
Photo 4
Controller circuit
board (C.B.)
Terminal
block (TB1)
47
Top panel fixing screws
Slide
Photo 3
Fan motor
fixing screws
Fan motor
fixing screws
Electrical parts box
Electrical parts box
fixing screws
Terminal
block (TB2)
Top panel
Service panel
Service panel
fixing screws
Cover panel
fixing screws
Fan motor
Noise filter
circuit
board (N.F.)