Interconnect Wiring Diagram; Power Wiring And Communication Wiring Configuration - Samsung Electronics DVM Series Technical Manual

7-5. Interconnect wiring diagram

Indoor unit 1
Outdoor unit
The communication cable shall be wired as follows:
When the communication cable exceeds the maximum length, the operation of
air conditioner may be impossible due to the trouble of communication interference
between indoor and outdoor unit.
- Maximum wire length : less than 360ft.
- Total wiring length : less than 720ft.
- Maximum communication branches : 10 branches

7-6. Power wiring and communication wiring configuration

Be sure to run the power supply cable and communication cable through the electrical conduit as
shown in the diagram.
Select either the left and right knockout
hole of outdoor unit.
The communication cable, indoor power cable
and main power cable shall be run through
conduit and separated by 2" minimum.
Be sure to install the power supply cable
the furthest distance from the communication cable.
Take care that the pipe and wire do not touch each other.
Indoor unit 2 Indoor unit 3
- Max. length of communication cable : 360ft.
- Whole length of cable : 720ft.
- Allowable branches : 10
communication cable
indoor power cable
main power cable
31
2.5HP Outdoor unit
gas refrigerant
pipe
liquid refrigerant
pipe