Installation Manual

18 Multi Air Conditioner
Connecting the Cable between Indoor Unit and Outdoor Unit
:
1. Use connection cable NRTL(UL, ETL, CAS…) listed and stranded copper(4) THHN conductors,
sunlight (UV) resistant ROHS compliant PVC jacket 600V direct burial listed, approved for wet
conditions. Temperature rated for –20℃(-4℉) to 90℃(194℉). And this cable should be enclosed
in conduit.
WARNING:
• Be sure to comply with local and national codes while running the wire from the indoor unit to
the outdoor unit(size of wire and wiring method, etc).
• Every wire must be connected firmly.
• No wire should be allowed to touch refrigerant tubing, the compressor or any moving parts.
• The communication wirings of air conditioner should be separate and isolated from external
device’s electric wiring such as computers, elevator, radio & Television broadcasting facilities,
as well as medical imaging offices.
WARNING: Loose wiring may cause the terminal to overheat or result in unit
malfunction. A fire hazard may also exist. Therefore, be sure all wiring is tightly
connected.
When connecting each power wire to the corresponding terminal, follow instructions "How to connect
wiring to the terminals" and fasten the wire tightly with the fixing screw of the terminal plate.
NOTICE
Cover control
Lock nut
(field supply)
Conduit
(field supply)