●provide a solid base (level concrete pad, concrete block, 4 in. ⋅ 16 in. (10 ⋅ 40 cm) beams or equal),
a minimum of 4 in. (10 cm) above ground level to reduce humidity and protect unit against possible water damage and decreased service life (Fig. 5b).
●use lug bolts or equal to bolt down unit, reducing vibration and noise.
●use only the type of gas indicated on the name- plate. This plate is located on the right side of the outdoor unit, and should be checked before gas line connection.
Exhaust guard
Anchor bolts (4 pcs.)
Exhaust port
Screws
Min. 4" (10 cm)
Fig. 5b
7-2. Recommended Wire Length and Diameter
Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation.
NOTE
Refer to the wiring system diagram (Fig. 6).
Refer to your local codes or in the absence of local codes with the National Electric Code: ANSI/NFPA70.
WARNING
●Be sure to comply with local codes on running wiring from the outdoor unit to the indoor unit (size of wire and wiring method, etc.).
●Each wire must be firmly connected.
●No wire should be allowed to touch refrigerant tubing, the compressor, or any moving part.
WARNING
●To avoid the risk of electric shock, each air conditioner unit must be grounded.
CAUTION
●Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram. The indoor unit draws its power from the outdoor unit.
WIRING SYSTEM DIAGRAM
INDOOR UNIT | (INTER UNIT) | OUTDOOR UNIT | |
Power line | |||
|
| ||
TERMINAL (4P) | 115V | TERMINAL (6P) |
1 |
| 1 |
2 |
| 2 |
3 |
| 3 |
4 |
| 4 |
G | Grounding line | G |
|
Disconnect switch
(Field supply)
5
6
G
L1 | L2 | line | |
Grounding | |||
115 VAC |
| ||
Power supply: |
| ||
Fig. 6
27
