Disassembly Procedure; Removing The Service Panel And Top Panel; Removing The Fan Motor (Mf1, Mf2); Removing The Electrical Parts Box - Mitsubishi Electric PUHZ-RP250YHA2 Service Manual

14

DISASSEMBLY PROCEDURE

PUHZ-RP200YHA2 PUHZ-RP250YHA2
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 figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 5 fan grille fixing screws (5 × 10) 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
compressor 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.
PHOTOS & ILLUSTRATION
Figure 1
Top panel fixing screws
Grille
fixing
screws
Grille
fixing
screws
Photo 1
Front panel
Propeller
Nut
Photo 3
Controller circuit
board (C.B.)
Terminal
block (TB1)
93
Top panel
Service panel
Slide
Service panel
fixing screws
Photo 2
Fan motor fixing screws
Fan motor fixing screws
Electrical parts box
Electrical parts box
fixing screw
Terminal
Noise filter
block (TB2)
circuit
board (N.F.)
Fan grille
Cover
panel(front)
Fan
motor