Electrical Work - Mitsubishi Electric Mr.Slim PKA-A KA7 Manuel D'installation

6. Electrical work

J
K
G
J
H
2-11/64 inch
E
15/32 inch
I
L
M N
O P
Fig. 6-1
Fig. 6-3
Fig. 6-5
Fig. 6-7
(see the bottom)
D
F
A
E
B
H
15/32 inch
F
2-11/64 inch
K
D
Fig. 6-2
Fig. 6-4
CN105
(RED)
Warning:
Sharp-edged parts
Fig. 6-6
6.1. Indoor unit
(Fig. 6-1)
Connection can be made without removing the front panel.
1. Open the front grille, remove the screw (1 piece), and remove the electrical
parts cover.
2. Securely connect each wire to the terminal board.
* In consideration of servicing, provide extra length for each of the wires.
* Take care when using strand wires, because beards may cause the wiring to
short out.
3. Install the parts that were removed back to their original condition.
Electrical box cover
Fixing screw
Ground wire connection portion
Indoor/outdoor connection terminal board: S1, S2, and S3, have polarity
Lead
Terminal screw
Ground wire: Connect the ground wire in the direction illustrated in the diagram.
Indoor/outdoor connection cord
Conduit plate
Bush (purchased locally)
Lock nut (purchased locally)
Connector (purchased locally)
Conduit (purchased locally)
Only for wired remote controller
Wired remote control terminal board: 1 and 2, do not have polarity.
Terminal screw
Wired remote control cord
For CN105 connecting procedures
Press and unlock the knobs on both sides of the front grille and lift the front
grille until it is level. Pull the hinges forward to remove the front grille.
(Fig. 6-2)
Remove 3 screw caps of the panel. Remove 5 screws. (Fig. 6-2)
Unfix 3 hooks. (Fig. 6-3)
Hold the lower part of both ends of the panel and pull it slightly toward you,
and then remove the panel by pushing it upward.
Remove the front and side electrical box covers (each 1 screws). (Fig. 6-4)
Remove the water cut. (Fig. 6-4)
Remove the screw of the corner box. (Fig. 6-2)
Remove the corner box.
Remove the cable guide. (Fig. 6-5)
Remove the screw of the electrical box. (Fig. 6-7)
Remove the liquid pipe thermistor (TH2). (Fig. 6-5)
Tear off the tape partly of vane motor and loosen the cord. (Fig. 6-5)
Loosen the cord of the fan motor. (Fig. 6-5)
Pull out the electrical box toward you.
CN105 (RED) on indoor controller board. (Fig. 6-6)
Replace the removed parts.
Front grille
Screws
Screws and screw caps
Screw of the corner box
Hooks
Screw of electrical box cover (side)
Screw of electrical box cover (Front)
Water cut
Indoor controller board (I.B)
Electrical box
Lead wire of vane motor
Cable guide
Lead wire of fan motor
Screw of the electrical box
Liquid pipe thermistor (TH2)
Warning:
Be extremely careful not to cut your hands by Sharp-edged parts or end
faces of the box.
There are some Sharp-edged parts on the indoor controller board.
9