Electrical Work - Mitsubishi Electric PKA-A·KA Installation Manual

6. Electrical work

PKA-A·KA(L)
K
G
J
H
2-11/64 inch
E
15/32 inch
I
M N
Fig. 6-1
6.1.1. Indoor unit power supplied from outdoor unit (A-control application)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
D
F
E
J
H
15/32 inch
F
2-11/64 inch
K
D
L
O P
C
L1
A B
L2
GR
S1
S2
S3
Simultaneous twin system
C
L1
A B
L2
GR
S1
S2
S3
6.1. Indoor unit
PKA-A·KA(L) (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
A
parts cover.
2. Securely connect each wire to the terminal board.
B
* 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.
A Electrical box cover
B Fixing screw
D Ground wire connection portion
E Remote control terminal board: (only for PKA-A·KA) 1 and 2, do not have polarity
F Indoor/outdoor connection terminal board: S1, S2, and S3, have polarity
G Lead
H Terminal screw
I Ground wire: Connect the ground wire in the direction illustrated in the diagram.
J Remote control cord
K Indoor/outdoor connection cord
L Conduit plate
M Bush (purchased locally)
N Lock nut (purchased locally)
O Connector (purchased locally)
P Conduit (purchased locally)
1:1 System
F
D
S1
S2
S3
1
E
G
2
F F
D
S1 S1
S2 S2
S3 S3
1 1
E
G G
2 2
A Outdoor unit power supply
B Wiring circuit breaker or isolating switch
C Outdoor unit
D Indoor unit/outdoor unit connecting cords
E Wired remote controller (Only for PKA-A·KA)
F Indoor unit
G Indoor unit earth
A Outdoor unit power supply
B Wiring circuit breaker or isolating switch
C Outdoor unit
D Indoor unit/outdoor unit connecting cords
E Wired remote controller (Only for PKA-A·KA)
F Indoor unit
G Indoor unit earth
9