Disassembly Instructions - Mitsubishi Electric MSZ-A18YV Service Manual

9

DISASSEMBLY INSTRUCTIONS

<"Terminal with lock mechanism" Detaching points>
In case of terminal with lock mechanism, detach the terminal as shown below.
There are two types ( Refer to (1) and (2)) of the terminal with lock mechanism.
The terminal with no lock mechanism can be removed by pulling it out.
Check the shape of the terminal and work.
(1) Slide the sleeve and check if there is a locking lever or not.
Sleeve
Locking lever
9-1. MSZ-A18YV -
OPERATING PROCEDURE
1. Removing the front panel
(1) Remove the screw caps of the front panel.
Remove the screws.
(2) Pull the panel down to your side slightly and unhook the
catches at the top.
2. Removing the electronic control P.C. board, the receiver
P.C. board and the display P.C. board
(1) Remove the front panel. (Refer to 1.)
(2) Remove the screw of the electrical cover.
Remove the electrical cover.
(3) Remove the screws of the V.A. clamp.
Remove the V.A. clamp.
(4) Remove the screw of the terminal block.
(5) Remove the screws of the earth wire.
(6) Disconnect all the connectors and all the lead wires on the
electronic control P.C. board.
(7) Remove the R.L holder.
(8) Remove the electronic control P.C. board.
(9) Open the R.L holder, remove the receiver P.C. board and
the display P.C. board.
OB345A
1Slide the sleeve.
2Pull the terminal while
pushing the locking
lever.
MSZ-A24YV -
E1 E1
(2) The terminal with this connector is a terminal
with lock mechanism
Connector
MSZ-A26YV -
E1
NOTE: Turn OFF power supply before disassembly.
Photo 1
Photo 2
Screws of the earth wire
Screw of
R.L
holder the terminal
block
20
1Hold the sleeve, and
pull out the terminal
slowly.
PHOTOS
Front panel
Screws
Fan motor
connectors
Vane motor
connector
Indoor
electronic
control
P.C. board
Screw of
the electrical
cover
Receiver Screw of the
P.C. V.A. clamp
board