Disassembly Procedure - Mitsubishi Electric PKA-A12LA1 Service Manual

12

DISASSEMBLY PROCEDURE

: Indicates the visible parts in the photos/figures.
OPERATION PROCEDURE
1. REMOVING THE PANEL
(1) Insert the driver to the hole at VANE LOWER shaft and
slide the VANE LOWER shaft (2 places each). Push VANE
UPPER shaft with the driver.
(2) Pull the VANE LOWER and VANE UPPER from unit.
(3) Remove 2 screw caps of the front panel. Remove 2
screws. (See Photo 1)
(4) Hold the lower part of both ends of the front panel and pull
it slightly toward you, and then remove the front panel by
pushing it upward.
(5) Remove the screw of the corner box. (See Photo 1)
Remove the corner box.
Unlock the stopper and remove the horizontal vanes
using following tool like a screw driver.
Unlock
2. REMOVING THE ELECTRICAL BOX
(1) Remove the panel and the corner box. (Refer procedure to 1)
(2) Remove the front and side electrical box covers (each 2
screw).
(3) Disconnect the indoor/outdoor connecting wire from
terminal block (TB4).
(4) Disconnect the wired remote controller connecting wire
from terminal block.
(5) Disconnect the connectors on the indoor controller board.
(6) Disconnect the connector for ground wire.
(7) Remove the screw on lower side of the electrical box.
(See Photo 3)
(8) Push up the upper fixture catch to remove the box, then
remove it from the box fixture.
TCH117
NOTE: Turn OFF the power supply before assembly.
Be careful when removing heavy parts.
PHOTOS/FIGURES
Photo 1
VANE UPPER shaft
VANE LOWER shaft
Screws and screw caps
Photo 2
Screw of electrical
box cover (side)
Water cover
Photo 3-1
Connector for ground wire
Photo 3-2
Screw of
electrical box
30
VANE UPPER
Front panel
VANE LOWER
Screw of the
corner box
Hook
Screw of
electrical box
cover (side)
Screw of electrical box cover
(Front)
Fixture
Electrical box