Disassembly Instructions - Mitsubishi Electric MSZ-D30NA Service Manual

10

DISASSEMBLY INSTRUCTIONS

<Detaching method of the terminal with locking mechanism>
The terminal which has the locking mechanism can be detached as shown below.
There are 2 types of the terminal with locking mechanism.
The terminal without locking mechanism can be detached by pulling it out.
Check the shape of the terminal before detaching.
(1) Slide the sleeve and check if there is a locking lever or not.
Sleeve
Locking lever
10-1. MSZ-D30NA MSZ-D36NA
MSY-D30NA MSY-D36NA
NOTE : Turn OFF power supply before disassembly.
OPERATING PROCEDURE
1. Removing the panel
(1) Hold both sides of the front panel and lift the front panel
until it is level, and then pull the hinges forward to remove
the front panel.
(2) Remove the screw caps of the panel.
Remove the screws of the panel.
(3) Hold the lower part of both ends on the panel and pull it
slightly toward you, and then remove the panel by pushing
it upward.
(4) Remove the screw of the corner box. Remove the corner
box.
2. Removing the electrical box, the electronic control P.C.
board, the power monitor receiver P.C. board and the SW
P.C. board
(1) Remove the panel and corner box. (Refer to section 1.)
(2) Remove the screw of the electrical cover. Remove the elec-
trical cover.
(3) Remove the screw of the V.A. clamp.
(4) Remove the V.A. clamp, then remove the indoor/outdoor
connecting wire.
(5) Disconnect TAB of the ground wire connected to the indoor
heat exchanger.
(6) Remove the screw of the electrical side cover. Remove the
electrical side cover.
(7) Disconnect all the connectors, TAB and TAB4 on the indoor
electronic control P.C. board.
(8) Remove the screw on lower side of the electrical box. (See
photo 3) Remove the electrical box.
(9) Remove the indoor electronic control P.C. board.
(10) Remove the SW holder from the electrical box.
(11) Open the SW holder and pull out the SW P.C. board.
(12) Remove the power monitor receiver holder from the electri-
cal box.
(13) Open the power monitor receiver holder and pull out the
power monitor receiver P.C. board.
OBH501D
(2) The terminal with this connector shown below
Slide the sleeve.
Pull the terminal while
pushing the locking
lever.
32
has the locking mechanism.
Hold the sleeve, and
pull out the terminal
slowly.
Connector
: Indicates the visible parts in the photos/figures.
: Indicates the invisible parts in the photos/figures.
PHOTOS/FIGURES
Photo 1
Front panel
Screws
Photo 2
Ground wire to indoor
heat exchanger
Water cut
Screw of the
corner box
Screw of the
electrical side
cover
Screw of the
electrical
cover
Screw of the
V.A. clamp
SW holder
Power monitor
receiver holder