14
VMH 09/12/18/24 SD Inverter Mini-Split
Heat Controller
Electrical Work
Outdoor unit power and
communication cable wiring
1. Remove the electrical control cover from the
outdoor unit (Fig. 24).
2. Connect power supply wires to the right side of
the outdoor unit’s terminal strip. (Fig. 25)
3. Connect the green/yellow ground from the power
supply wire to ground terminal. (Fig. 25)
4. Connect the communication cable from the
indoor unit to the outdoor unit’s terminal strip on
the left side. (Fig. 25)
5. Connect the ground wire of the communication
cable to the ground terminal. (Fig. 25)
6. To prevent water from entering in the unit, form a
loop in the cable (Fig. 26).
7. Insulate any unused conductors with electrical
tape, so that they do not touch any other
exposed electrical or metal parts.
Fig. 24
Fig. 26
Air inlet(side)
Air outlet
Screw
Cover
Loop the cable
Air inlet(rear)
Fig. 25
OR
To indoor unit
To power supply
To indoor unit
To power supply
Terminal block of outdoor unit
Conduit panel
Connecting cable
Power supply cord
To power supply
Cover control
Over 1 3/5in. (40mm)
Outdoor Unit
