Multi F Installation Manual

40 Multi Air Conditioner
Connecting the Cable between Indoor Unit and Outdoor Unit
Connect the cable to the Outdoor unit.
1. Remove the control cover from the unit by
loosening the screw.
Connect the wires to the terminals on the
control board individually as the following.
2. Secure the cable onto the control board with the
holder (clamper).
3. Re-attach the cover control to the original
position using the screws.
:
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
deviceʼs electric wiring such as computers, elevator, radio & Television broadcasting facilities,
as well as medical imaging offices.
NOTICE
1(L1) 2(L2) 3 1(L1) 2(L2) 3
Indoor Unit Terminal Block
A Unit
Indoor Unit Terminal Block
B Unit
L1 L2 1(L1) 2(L2) 3(A) 3(B)
POWER SUPPLY A UNIT
B UNIT
C UNIT
D UNIT
1(L1) 2(L2) 3 1(L1) 2(L2) 3
A Unit B Unit
1(L1) 2(L2) 3(B) 3(A) 1(L1) 2(L2) 3(C) 3(D)
POWER SUPPLY A UNIT
B UNIT
Indoor Unit Terminal Block Indoor Unit Terminal Block
1(L1) 2(L2) 3
C Unit
Indoor Unit Terminal Block
1(L1) 2(L2) 3
D Unit
Indoor Unit Terminal Block
L1 L2
36k Only
18kBtu/h class
24/36 kBtu/h class
Outdoor unit
Terminal
block
Conduit hole
Power supply
cable
Connecting cable
(to the indoor unit)
Screw
Cover control