Mitsubishi Electric MSZ-GS06NA - U1 Service Manual page 67

10-3. MSZ-GS24NA MSY-GS24NA
NOTE: Turn OFF the power supply before disassembly.
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 section 1.) and the right
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 conduit
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 elec-
tronic 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 section 1.) and the right
corner box.
(2) Remove the indoor/outdoor connecting wire. (Refer to
section 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 elec-
trical box.
OBH874A
PHOTOS/FIGURES
Photo 1
Horizontal vanes
Screws of the panel
Photo 2
Photo 3
Ground wires
Screw of the conduit plate
67
Front panel
Electrical box
Screw of the
electrical cover
Screw of the
V.A. clamp
Power monitor
receiver holder
Upper catch
Indoor electrical
control P.C.
board
Indoor terminal
P.C. board
Screw of the
terminal block
Screw of the
electrical box
Screw of the
conduit cover