Carrier XCT7 Installations- Und Benutzerhandbuch Seite 36

Electric Wiring and Application
Power line installation instructions
Note:
When connecting the power cord, please be sure to set aside enough length outdoor, which is convenient for turning
over the electrical box.
After maintenance, remove the 5 fixing screws. Lift the electric
appliance box body slightly, and rotate the box body to the left.
Use the steel wire rope in the column to check the box and
prevent it from turning.
Left column
hook
Communication wiring figure (Wired)
Outdoor 1
Indoor 1
Note:
• Outdoor using 3 cores, 0.75m2 shielding wire connection is polarity
• Indoor using 2 cores, 0.75m2 shielding wire connection is non polarity. The signal line shield must be grounded at one end and
the communication line between the indoor and outdoor machine must be 1500 meters long.
• The communication line must be hand-in-hand with the serial connection without using a star connection.
• When the length of the single line of communication is not sufficient, the joint connection must be pressed or soldered.
Communication wiring figure (wireless)
Outdoor 1
Outdoor 2
Indoor 2
Outdoor 2
When connecting the power cord, please be sure to set aside
enough length in the outdoor unit, which is convenient for turn-
ing over the electrical box.
Outdoor 3
Indoor 3
Outdoor 3
29
Outdoor 4
Indoor 4
Outdoor 4
Indoor n