3-7. 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.

Table 5 lists recommended wire lengths and diameters for power supply systems.

NOTE

Refer to the wiring system diagram (Fig. 23) for the meaning of (A), (B), and (C) in Table 5.

Refer to your local codes or in the absence of local codes see the National Elec- tric Code: ANSI/NFPA70.

Table 5

AWG

(A)+(B)

(A) Power Supply Wiring Length (ft)

(C) Control

Fuse or Circuit

 

(B) Power Line Length (ft)

Line Length (ft)

 

 

Breaker Capacity

Model

(#14)

 

(#12)

(#14)

 

 

C0971, CL0971, C1271, CL1271

131 (Max.)

230 (Max.)

65 (Max.)

20A

# ... AWG (American Wire Gauge)

WARNING

Be sure to comply with local codes on running the wire from the indoor unit to the outdoor 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.

For the installation of a grounding device, please observe local electrical codes.

Grounding is necessary, especially for units using inverter circuits, in order to release charged electricity and electrical noise caused by high tension. Otherwise, electrical shock may occur.

Place a dedicated ground more than 7' (2 m) away from other grounds and do not have it shared with other elec- tric appliances.

WIRING SYSTEM DIAGRAM

INDOOR

* Disconnect

 

OUTDOOR

 

 

UNIT

switch

 

UNIT

 

60HZ

Terminal

Field supply

(B)

Terminal

 

 

 

 

115V

 

 

 

1

 

1

 

115V

 

 

 

2

115V

 

2

 

 

 

 

supply phase

3

115V

 

3

 

 

 

 

 

 

 

Power ngiS le

 

(C)

 

4

(A)

 

 

 

 

 

 

 

 

 

 

 

 

 

Grounding line

 

5

 

L

 

 

(B)

6

 

N

Grounding line

Fig. 23

*NOTE

Disconnect switch may be required by national or local codes.

CAUTION

Always comply with national and local code requirements.

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.

Do not run wiring for antenna, signal, or power lines of television, radio, stereo, telephone, security system, or intercom any closer than 3'4" (1 m) from the power cable and wires between the indoor and outdoor units. Electrical noise may affect the operation.

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Sanyo CL0971, C1271 Recommended Wire Length and Diameter, Disconnect switch may be required by national or local codes

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