VRF Air-Conditioner IOM
8
communication line is RVSP2
×
0.75. Be sure to pull the wires through the PVC conduit.
Note: the communication wire and PVC conduit are the field supplied parts.
7.7
Connect the wire controller and indoor unit
Group control can be realized through the wire controller. One wire controller can connect to max 4 indoor
units.
The indoor units in one group should be connected in one and same power supply to guarantee normal
initialization of wire controller when power on.
Connection sketch of indoor unit and wire controller:
(a)
When one wire controller connecting only one indoor unit: (refer to Fig. 13)
(b)
When one wire controller connecting multi indoor units: (refer to Fig. 14)
Fig. 13
One wire controller connects to one indoor unit
Fig. 14
One wire controller connects to multi indoor units
