Msz-Ge24Na Msy-Ge24Na Disassembly - Mitsubishi Electric MSZ-GE09NA Service Manual

10-2. MSZ-GE24NA MSY-GE24NA
OPERATING PROCEDURE
1. Removing the panel
(1) Remove the horizontal vanes.
(2) Remove the screw caps of the panel. Remove the
screws of the panel.
(3) 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.
2. Removing the indoor electronic control P.C.
board, the power monitor receiver SW P.C. board
and the indoor terminal P.C. board
(1) Remove the panel (Refer to 1.) and the corner box.
(2) Remove the screw of the V.A. clamp and the V.A.
clamp.
(3) Remove the screw of the conduit cover and the con-
duit cover.
(4) Remove the screw of the conduit plate, the conduit
plate and the indoor/outdoor connecting wire.
(5) Remove the screw of the electrical cover, and then
the electrical cover.
(6) Remove the ground wire connected to the indoor
electronic control P.C. board from the electrical box.
(Photo 3)
(7) Remove the power monitor receiver holder.
(8) Open the rear cover of the power monitor receiver
holder and pull out the power monitor receiver SW P.C.
board.
(9) Disconnect all the connectors on the indoor electronic
control P.C. board and unhook all lead wires.
(10) Remove the screw of the terminal block on the indoor
terminal P.C. board.
(11) Remove the indoor terminal P.C. board and the
indoor electronic control P.C. board.
3. Removing the indoor electrical box
(1) Remove the panel (Refer to 1.) and the corner box.
(2) Remove the indoor/outdoor connecting wire.
(Refer to 2 (2)-(4).)
(3) Remove the ground wire connected to the indoor heat
exchanger from the electrical box.
(4) Remove the screw of the electrical cover and remove
the electrical cover.
(5) Disconnect all the connectors on the indoor electronic
control P.C. board and unhook all lead wires.
(6) Remove the screw fixing the electrical box, then the
upper catch of the electrical box, and pull out the
electrical box.
OBH548D
NOTE: Turn OFF the power supply before disassembly.
Photo 1
Horizontal vanes
Screws of the panel
Photo 2
Photo 3
Ground wires
44
PHOTOS
Front panel
Electrical box
Screw of the
electrical cover
Screw of the
V.A. clamp
Power monitor
receiver holder
Upper catch
Indoor electri-
cal control P.C.
board
Indoor terminal
P.C. board
Screw of the
terminal block
Screw of the
electrical box
Screw of the
conduit cover
Screw of the conduit plate