Disassembly Procedure; Operation Procedure - Mitsubishi Electric Mr.SLIM PKA-A12GA Service Manual

DISASSEMBLY PROCEDURE

12
PKA-A12GA PKA-A18GA
PKA-A12GAL PKA-A18GAL PKA-A12GAL

OPERATION PROCEDURE

1. REMOVING THE LOWER SIDE OF THE INDOOR UNIT
FROM THE INSTALLATION PLATE.
(1) Remove the left / right corner box of the indoor unit.
(2) Hold and pull down the lower and both ends of the indoor
unit, and remove the ▼ section from the square hole.
(Refer to the figure 2.1)
Or remove the front panel and push the ▼ section down
by using hexagonal wrench ,etc. from the front side.
(Refer to the figure 2.2).
(3) Unhook the top of the indoor unit from the back plate catch.
Figure 2.2
Square hole
2. REMOVING THE FRONT PANEL.
(1) Open the front grille.
(2) Remove the terminal block cover with a screw.
(3) Remove the 3 screw caps then remove the 3 set screws.
(4) After removing the lower side of the front panel a little,
remove it as pulling toward upper.
3. REMOVING THE INDOOR CONTROLLER BOARD.
(1) Remove the terminal block cover.
(2) Remove the front panel. (see the photo 1)
(3) Remove the electrical parts box(2 screws).
(4) Remove the electrical parts box cover(1 screw).
(5) Disconnect the connector on the controller board and
remove the controller board by pulling up the hook of the
controller case.
wFor smooth works, hang the side hooks of the electrical
parts box on the hook of the motor cover.
(see the photo 3)
PKA-A12GA PKA-A18GA
1
PKA-A18GAL
1
Up Down
38
PKA-A12GA
1
PKA-A12GAL
1
PHOTOS & ILLUSTRATION
Figure 1
Figure 2.1
Square hole
Figure 3
Terminal block
cover
Photo 1
Front
panel
Photo 2
Motor cover
Electrical parts
box hook w
Photo 3
Hook
PKA-A18GA
2 2
PKA-A18GAL
2 2
Hook
Hook
Front grille
Set screw
Electrical parts
box
Control board
Controller case
Electrical parts box