R410A All DC Inverter Mini VRF MCAC-VTSM-2016-10
68 Installation
Indoor unit power supply wiring
Fig.6-4
CAUTION
1.
Refrigerant piping system, indoor unit-indoor unit connection signal wires and indoor unit-outdoor unit connection signal wire
are in the same system.
2.
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).
Please use shield wire as indoor unit/outdoor unit signal wire.
Indoor/Outdoor unit signal wire wiring
Fig.6-5
7. Test Running
Operate according to
“key points for test running” on the electric control box cover.
CAUTION
Test running cannot start until the outdoor unit has been connected to the power for 12hours.
Test running cannot start until all the valves are affirmed open.
Never make the test running if the machine has malfunction.
Make sure the communication between the indoor unit and outdoor unit is normal before test running.
Indoor Power Supply
Circuit Breaker
Manual swtich
Wire Distribution Box
Indoor Unit