9
6. Electrical work
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
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.
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)
PKA-A·KA(L)
Fig. 6-1
H
H
15/32 inch
D
15/32 inch
E
F
K
J
J
K
D
F
E
A
B
2-11/64 inch
2-11/64 inch
G
I
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.
Simultaneous twin system
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
1:1 System
S1
S2
L1
L2
GR
1
2
S1
S2
S3
S3
A
B
C
D
E
F
G
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
S1
S2
L1
L2
GR
1
2
S1
S2
S3
1
2
S1
S2
S3
S3
A
B
C
E
F F
G
G
D
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
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
M N L
O P
