R410A DC Inverter VRF V4 Plus Individual Series 50Hz
MCAC-VTSM-2014-04
78
Installation
14.2.2 Indoor unit powering supply wiring
Note:
Set refrigerant piping system, signal wires between indoor units and signal wires between outdoor units into one system.
Power must unified supply to all indoor units in the one system.
Please do not put the signal wires and power wires in the same wire tube; keep distance between the two tubes. (Keep
distance above 300mm, when current capacity of power supply less than 10A, and Keep distance above 500mm, when current
capacity of power supply less than 50A)
14.3 Signal wiring installation
14.3.1 Signal wire between outdoor unit and indoor unit
Signal wire of indoor/outdoor unit adopts 3-core shielded wire (
≥
0.75mm
2
) which has polarity, please connect
it correctly.