3
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Instructions of Unit Installation
Electrical Installation
(4 )
Use cable fastener to bundle and fix the cable.
Caution:
Take great care when carrying out the following
connections, so as to avoid malfunction of the
air-conditioning unit because of electromagnetic
interference.
(1) The signal line of the wire controller must be
separated from the power line and the connecting line
between the indoor unit and the outdoor unit.
(2) In case the unit is installed in a place vulnerable by
electromagnetic interference, it is better to use
shielded cable or double-twisted cable as the signal
line of the wire controller.
2
。
Air-conditioning unit with 3-phase power supply
1
Remove the front-side panel of the outdoor unit.
2
Attach rubber ring to the cable-cross hole of the
outdoor unit.
3
Pass the cable though rubber ring.
4
Connect the power cable to the terminal
earthing
marked “L1, L2, L3 & N”.
5
Use cable fastener to bundle and fix the cable.
Connect
wire to the earthed terminal screw on the
electric box.
Connection of Signal Line of Wire Controller
1. Open the cover of the electric box of the indoor unit.
2. Pull the signal cable of the wire controller through the rubber ring.
4. Use cable fastener to bundle and fix the signal cable of the wire controller.
3. Plug the signal line of the wire controller onto the 4-bit pin socket at the circuit board of the indoor unit.
(CN10 of the wire controller connect with CN3 of the indoor unit)
