Hitachi RCI-5.0FSN3 - 5.4 RAS-(8-12)FSXNH(E)

TC-12001
2-55
4-WAY CASSETTE
P5414946-rev.1
25
7.3 Position of Electrical Wiring Connection
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Tightly secure wirings to the terminal
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tightening the terminals is not completed,
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will occur at the terminal connection.
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in order not to apply an external force to the
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occur.
• The electrical wiring connection for the indoor
unit is shown in the item 7.2.2. The intermediate
connection between the indoor unit and the
air panel should be referred to “Installation of
Optional Air Panel”.
• The connections at the terminal board for the
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the outdoor unit for the combination before the
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should be performed according to the tightening
torque as shown in the table below.
(1) Connect the cable for the optional remote
control switch or the optional extension cable
to the terminals inside the electrical box
through the connecting hole in the cabinet.
(2) Connect the power supply and the earth
wires to the terminals in the electrical box.
(3) Connect the wires between the indoor unit
and the outdoor unit to the terminals in the
electrical box.
(4) Connect cables correctly to match the
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(5) Connect the transition wires between indoor
units connected to the same outdoor unit.
(6) Do not connect the main power source
cables to the control line (Terminals 1, 2,
A and B of TB2). If connected, the printed
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(7) Tightly clamp the wires using the cord clamp
inside the electrical box.
Tightening Torque for Terminals
Screw Size Tightening Torque
TB1 M4 1.0 - 1.3 (N-m)
TB2 M3.5 1.2
(N-m)
Terminal Board for
Power Source Cable
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Terminal Board for
Control Cable
TB2 (white)
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1. Attach an insulation tape or a sleeve to each
terminal.
2. Maintain the distance between the electrical box
and the terminals to prevent a short circuit.
3. Maintain the distance between the terminals.
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S/NR/L1
AB 12