Electrical Work - Mitsubishi Electric Mr. SLIM PLA-A EA7 Série Manuel D'installation

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6. Electrical work

B
[1]
[2]
F
[3]
G
H
J
[4]
K
L
Fig. 6-1
Round crimped terminal
Fig. 6-2
Be sure to connect the remote
controller cable (0.3 mm
, AWG22)
2
to the locations shown in the
diagram.
Fig. 6-3
<When wiring two indoor-outdoor connection cables>
• If the cables have the same diameter,
insert them into the cut outs on both sides.
• If the cables have different diameters, in-
sert them on one side into separate spaces
with one cable positioned above the other.
Fig. 6-5
C
A
D
E
I
M
N
Insulating sleeve
Electrical cable
Secure with a band 4 (small)
at the location shown in the
diagram
(Remote controller
cable retainer)
Cable strap
Cut outs
6.1. Indoor unit (Fig. 6-1)
1. Loosen the two screws securing the electrical wiring service panel, and then turn
the electrical wiring service panel. [Fig. 6-1 1]
2. Loosen the two screws securing the electrical box cover, then slide the electrical
box cover. [Fig. 6-1 2]
3. Pass the power cable, indoor/outdoor unit connecting cable and earth cable
through the wiring entries given in the diagram. [Fig. 6-1 3]
Put the sheath portion of the power cable and indoor/outdoor connecting cable
into electrical box.
Use round crimped terminals for the indoor-outdoor connection terminal board
and the optional power supply terminal kit. [Fig. 6-2]
If you cannot use round crimped terminals, following the procedure in Fig. 6-4 to
6-6.
Refer to 6.1.1. for the connection.
4. Pass and wire the remote controller cable through the wiring entries given in the
diagram. [Fig. 6-1 4, Fig. 6-3]
Refer to 6.1.1. for the connection.
• Do not allow slackening of the terminal screws.
Screw tightening torque
Remote controller terminal board
Indoor-outdoor connection terminal board
Earth cable
• Leave excess cable so that the electrical box can be suspended below the unit
during servicing (approx. 50 to 100 mm, 1-31/32 to 3-15/16 inch).
Electrical wiring service panel
A
Screw
B
Electrical box cover
C
Temporary hook for electrical box cover
D
Screw
E
Slide direction of the electrical box cover
F
Entry for power cable and indoor/outdoor unit connecting cable
G
Secure with the cable strap.
H
Earth cable
I
Indoor/outdoor unit connecting terminal
J
Electrical wiring service panel (remote controller)
K
Entry for wired remote controller
L
Wired remote controller terminal
M
Secure with the cable strap.
N
Caution:
• Wiring for remote controller cable shall be apart (50 mm, 2 inch or more) from
power source wiring so that it is not influenced by electric noise from power
source wiring.
(inch)
• The U-shaped groove opens if you push the screw head after the screw is loosened.
WARNING
When using a single cable, a round crimped terminal or other
terminal work is prohibited.
Tightening torque (N·m, ft·lbs)
1.2 ± 0.1, 0.9 ± 0.1
1.6 ± 0.1, 1.2 ± 0.1
1.6 ± 0.1, 1.2 ± 0.1
(inch)
Fig. 6-4
• Connecting two wires on one side is prohib-
ited.
• Connecting three wires or more to the same
terminal is prohibited.
• Connecting wires with different diameters is
prohibited.
Fig. 6-6
7

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