Mitsubishi Electric CITY MULTI PKFY-WL NKMU-E Serie Manual De Instalación página 13

6. Electrical work
 PKFY-WL·NKMU-E
J
L
G
K
J K L
N O M P
Fig. 6-1
A B
~ 208/230V
A
~ 208/230V
Fig. 6-2
F
E
D
15/32 inch
2-11/64 inch
Q
L
D
C C C C C
B D
L1 L2
M1 M2 S 1 2
C
TB2 TB5 TB15
6.1. Indoor unit
 PKFY-WL·NKMU-E (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.
4. Fasten each of the wires with the clamp under the electrical parts box.
A
Elactrical box cover
B
Fixing screw
D
MA remote control terminal board: (1, 2) do not have polarity
E
Transmission terminal board: (M1, M2, S) do not have polarity
F
Power supply terminal board: (L1, L2).
G
Lead
H
Ground wire connection portion: Connect the ground wire in the direction illustrated in the
J
MA remote control cable (use UL wire rated 300V)
K
Transmission cable (use UL wire rated 300V)
L
Power supply cable (use UL wire rated 300V)
M
Conduit plate
N
Bush (purchased locally)
O
Lock nut (purchased locally)
P
Connector (purchased locally)
H
Q
Conduit (purchased locally)
6.2. Power supply wiring
• Wiring size must comply with the applicable local and national codes.
• Use copper supply wires.
Use UL wires rated 300 V or more for the power supply cords.
• Install a ground wire longer than other cables.
• A switch with at least 3 mm, 1/8 inch contact separation in each pole shall be
provided by the air conditioner installation.
[Fig. 6-2]
A
Ground-fault interrupter
B
Local switch/Wiring breaker
C
Indoor unit
D
Pull box
Warning:
Never splice the power cable or the indoor-outdoor connection cable,
otherwise it may result in a smoke, a fire or communication failure.
diagram.
en
11