MCAC-VTSM-2013-12 R410a Full DC Inverter Mini VRF
Installation 85
3) The wiring through pipe shall not be in the form with ends jointing. If there must be joint, connection box should
be installed at the corresponding place.
4) The wiring with different voltage should not pass through the same wire tube.
5) Total sectional area of wiring through wire tube shall not exceed 40% valid area of stuffing tube.
6) Fixing point of wire tube support shall follow the standard below:
Normal diameter of wire tube Largest gap between fixed points of wire tube
mm
Metal pipe
Plastic pipe
15~20
1.5m
1m
25~32
2m
1.5m
40~50
2.5m
2m
5.4 Indoor unit power supply wiring
5.5 Indoor/Outdoor unit signal wire wiring
Note:
Refrigerant piping system, indoor unit-indoor unit connection signal wires and indoor unit-outdoor unit connection signal wire
are in the same system.
When power cord is parallel with signal wire, please put them into separate wire distribution pipes, and leave a proper distance.
(Reference distance: It is 300mm when current capacity of power cord is less than 10A, or 500mm when 50A).
CAUTION
Please select power source for indoor unit and outdoor unit respectively
The power supply has specified branch circuit with leakage protector and manual switch.
Indoor Power Supply
Circuit Breaker
Manual swtich
Wire Distribution Box
Indoor Unit