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Service Manual 25
Connection of The Cable
1
Indoor Unit Outdoor Unit
2
3
4
1
2
3
4
5
6
G
To
branch
circuit
Ground
Power supply
a
L1
*
L2
Connecting cable(Low voltage)
b
Terminal
(4P)
Terminal
(6P)
Outdoor unit
Wiring Diagram
Terminal block
Over 5mm
(0.2")
Cover control
Conduit panel
Connecting
cable
Power supply
cord
*
L1 is neutral for 115V models.
1. Remove the cover control from the unit
by loosening the 3 screws.
2. Dismount caps on the conduit panel.
3. Temporarily mount the conduit tubes
on the conduit panel.
4. Properly connect both the power sup-
ply and low voltage lines to the corre-
sponding terminals on the terminal
block.
5. Ground the unit in accordance with
local codes.
6. Be sure to size each wire allowing sev-
eral inches longer than the required
length for wiring.
7. Use lock nuts to secure the conduit
tubes.
1. shows field wiring.
2. Separately wire the high and low voltage line.
3. Use heat-proof electrical wiring capable of
withstanding temperatures up to 167°F.
4. Use outdoor and waterproof connection cable
rated more than 300V for the connection
between indoor and outdoor unit.
(For example, Type STOW)
• Be sure to comply with local 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 refrig-
erant tubing, the compressor or any mov-
ing parts.
Connector trade size for this unit is 1/2" for
instructions on connecting depending on
the wire type you are using.
NOTICE
NOTICE
Power Supply
Model
Power source
12k 1ø, 115V 14 18 20A
AWG(MIN.)
Fuse or breaker
Capacity
Installation