Connection
Of
The
Cable
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.
NOTICE
Connector trade size for this unit is 1/2" for instructions on connecting depending on the wire type you are using.
Wiring Diagram
Connecting cable(Low voltage) b
Indoor Unit | Outdoor Unit |
Terminal | Terminal |
(4P) | (6P) |
11
22
3 | 3 | Power supply | a |
|
|
44
L1* 5
L2 6
GTo branch circuit
Ground
*L1 is neutral for 115V models.
NOTICE
1.shows field wiring.
2.Separately wire the high and low voltage line.
3.Use
4.Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit.
(For example, Type STOW)
Outdoor unit
Terminal block
•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.
Over 5mm 
(0.2") 
Cover control
Conduit panel
Connecting 
cable
Power supply cord
Power Supply
Model | Power source | AWG(MIN.) | Fuse or breaker | |
|
| Capacity | ||
|
| |||
9K | 1ø , 115V | 14 | 18 | 15A |
12K | 1ø , 115V | 14 | 18 | 20A |
18K | 1ø , 230/208V | 14 | 18 | 20A |
24K | 1ø , 230/208V | 12 | 18 | 25A |
Service Manual 27