Disassembly Procedure - Mitsubishi Electric PUHZ-P200YHA Service Manual

14

DISASSEMBLY PROCEDURE

PUHZ-P200YHA PUHZ-P250YHA
OPERATING PROCEDURE
1. Removing the service panel and top panel
(1) Remove 3 service panel fixing screws (5
the hook on the right downward to remove the service
panel.
(2) Remove screws (3 for front, 3 for rear/5
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
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
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
compressor lead wire.
(6) Remove an electrical parts box fixing screw (4
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.
Figure 1
10) and slide
Grille
10) of the top
fixing
screws
Grille
fixing
screws
Photo 1
10) to detach the
Nut
25) to detach the
Photo 3
Controller circuit
board (C.B.)
10) and
Terminal
block (TB1)
89
PHOTOS & ILLUSTRATION
Top panel fixing screws
Slide
Photo 2
Front panel
Propeller Fan motor fixing screws
Fan motor fixing screws
Electrical parts box
Terminal
block (TB2)
Top panel
Service panel
Fan grille
Service panel
fixing screws
Cover
panel(front)
Fan
motor
Electrical parts box
fixing screw
Noise filter
circuit
board (N.F.)