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7. Electrical Wiring
(5) When the standard wire is used for field-wiring connection, the M4 and M5 crimping terminal
should be used. When a single wire is used, make it into the shape as shown in the figure below
and connect it to tighten the washer uniformly. The screws at the terminal block should be rotated
according to the tightening torque as shown in the table below:
Connect it with the
crimping terminal
Standard Wire
2. Connect the cable for the wired remote controller or the optional extension cable to the terminals
inside the electric box through the connecting hole on the control box.
3. Connect the power cables and grounding cables to the terminals in the electric box.
4. Connect the wires between the indoor and outdoor units to the terminal in the electric box.
5. Connect cables correctly to match the terminal numbers with the mark band numbers.
6. Wireless infrared receiver connection:
Outdoor unit
7.4 Wiring Connection
Wiring connection of the indoor unit is shown below.
1. Open the electrical box cover as shown in the figure below:
2. Perform the field electrical wiring work. Close the electrical box cover after the wiring work is completed.
Terminal Block
(TB1)
Terminal Block
(TB2)
Ring Core
Transmission cable
Connect it directly
as shown below
Single Wire
Indoor
unit
Main
A
B
board
Wireless
infrared
receiver
2.0~2.5HP
Power Cord(220-240V~50Hz)
Wired Remote Controller
Tightening torque for terminals
Power source
Earth connection
Wired remote controller connection:
Outdoor unit
Electrical box cover
Terminal Block
(TB2)
Ring Core
Transmission cable
-16-
Size
Tightening torque
M4
1.0-1.3 (N·m)
M5
2.0-2.4 (N·m)
Indoor
unit
Main
A
B
board
Wired
remote
controller
3.0~6.0HP
Power Cord(220-240V~50Hz)
Wired Remote Controller
Terminal Block
(TB3)
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