Disassembly Procedure - Mitsubishi Electric PUHZ-P200YHA Service Manual

15

DISASSEMBLY PROCEDURE

PUHZ-P200YHA
PUHZ-P200YHA3R1
PUHZ-P200YHA3R3
OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) Remove 3 service panel fixing 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.
2. Removing the fan motor (MF1, MF2)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Remove 5 fan grille fixing screws (5 × 12) to detach the
fan grille. (See Figure 1)
(4) Remove a nut (for right handed screw of M6) to detach the
propeller. (See Photo 1)
(5) Disconnect the connectors, CNF1 and CNF2 on controller
circuit board in electrical parts box.
(6) Remove 4 fan motor fixing screws (5 × 25) to detach the
fan motor. (See Photo 2)
3. Removing the electrical parts box
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Disconnect the indoor/outdoor connecting wire and power
supply wire 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 an electrical parts box fixing 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.
OCH424E
PUHZ-P250YHA
PUHZ-P250YHA3R1
PUHZ-P250YHA3R3
PUHZ-P200YHA3
PUHZ-P200YHA3R2
PHOTOS & ILLUSTRATION
Figure 1
Top panel fixing screws
Grille
fixing
screws
Grille
fixing
screws
Photo 1
Front panel
Propeller
Nut
Photo 3
Electrical parts box
Controller circuit
board (C.B.)
Terminal
Terminal
block (TB1)
block (TB2)
90
PUHZ-P250YHA3
PUHZ-P250YHA3R2
Top panel
Service panel
Slide
Fan grille
Service panel
fixing screws
Cover panel
(front)
Photo 2
Fan
Fan motor fixing screws motor
Fan motor fixing screws
Electrical parts box
fixing screw
Noise filter
circuit board (N.F.)