Disassembly Procedure - Mitsubishi Electric CITY MULTI Series Technical & Service Manual

8

DISASSEMBLY PROCEDURE

PKFY-P24NKMU-E2.TH
OPERATION PROCEDURE
1. REMOVING THE PANEL
(1) Press and unlock the knobs on both sides of the front
grille and lift the front grille until it is level. Pull the hinges
forward to remove the front grille. (See Photo 1)
(2) Remove 3 screw caps of the panel. Remove 5 screws.
(See Photo 1)
(3) Unfix 3 hooks. (See Figure 1)
(4) Hold the lower part of both ends of the panel and pull it
slightly toward you, and then remove the panel by pushing
it upward.
(5) Remove the screw of the corner box. (See Photo 1)
Remove the corner box.
2. REMOVING THE ADDRESS BOARD, THE INDOOR
CONTROLLER BOARD AND THE WIRELESS
CONTROLLER BOARD
(1) Remove the panel and the corner box. (Refer to
procedure 1)
(2) Remove the screw and hook of address board case. (See
Photo 2)
(3) Disconnect the connectors of address board.
(4) Remove the front and side electrical box covers (each 1
screw).
(5) Disconnect the connectors on the indoor controller board.
(See Photo 3)
(6) Remove the switch board holder and open the cover.
(7) Pull out the indoor controller board toward you then remove
the indoor controller board and switch board. (See Photo 3)
(8) Remove the holder of wireless remote controller board.
(9) Disconnect the connector of wireless remote controller
board and remove the wireless remote controller board
from the holder.
OCH518
PKFY-P30NKMU-E2.TH
21 21
Be careful when removing heavy parts.
PHOTOS & ILLUSTRATIONS
Photo 1
Front grille
Screws and screw caps
Figure 1
Hooks
Photo 2
Screw of address board case
Water cut
Screw of electrical
box cover (Front)
Photo 3
Electrical box cover
(Front)
Indoor controller board
Terminal block (TB2)
Terminal block (TB5)
Terminal block (TB15)
Room temp. thermistor (TH21)
Screws
Screw of the
corner box
Hook
Screw of
electrical box
cover (side)
Switch board
holder
Holder of wireless remote
controller board