Disassembly Instructions - Mitsubishi Electric SUZ-M-VA Series Service Manual

12

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 following 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
12-1. MFZ-KT25VG MFZ-KT35VG
MFZ-KT50VG MFZ-KT60VG
NOTE: Turn OFF the power supply before disassembly.
OPERATING PROCEDURE
1. Removing the panel
(1) Push down the tabs on the both sides of the unit.
(2) Open the front panel toward you and pull it out
upwards.
(3) Remove the screws of the panel.
(4) Open the horizontal vane (back) and push the
on the top of the panel, and pull the panel toward you.
(5) Lift up the panel and remove it from the unit.
2. Removing the electrical box
(1) Remove the panel. (Refer to section 1.)
(2) Remove the screw of the V.A. clamp cover and
remove the V.A. clamp cover.
(3) Remove the screw of the electrical cover and remove
the electrical cover.
(4) Remove the earth wire connected to the indoor heat
exchanger. (Photo 4)
(5) Remove the screw of the electrical box. (Photo 5)
(6) Disconnect the following connectors on the electronic
control P.C. board.
• Fan motor connector < CN211> (Photo 5)
• Indoor coil thermistor connector < CN112> (Photo 5)
(7) Rotate the display receiver P.C. board holder to the
right side and disconnect the vane motor relay con-
nector. (Photo 6)
(8) Disengage the electrical box from the upper catch
and pull out the electrical box from the box.
OBH843
(2) The terminal with the connector shown below
Slide the sleeve.
Pull the terminal while
pushing the locking
lever.
Photo 1
marks
Photo 2
Screw of the panel
Photo 3
37
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
Tabs of the unit
Push the marks.
Screw of the
electrical cover
Screw of the
V.A. clamp cover
Screw of the panel