Sanyo CH0951 User Manual

Page 10

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10

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 reg-

ulations when carrying out the installation.

Refer to the wiring system diagram (Fig. 23)

Refer to your local codes or in the absence of local

codes with the National Electric Code: ANSI/NFPA70.

NOTE

INDOOR UNIT

Terminal

Disconnect
switch
(Field supply)

1
2
3

4
5
6

1
2

3

4

5
6

7
8

G

G

G

Grounding
line

(Inter-unit)
Power lines

(Inter-unit)
Control lines

Terminal

OUTDOOR UNIT

Power supply line

Single-phase, 115V

60Hz

L

N

INDOOR UNIT

Terminal

Disconnect
switch
(Field supply)

1
2
3

4
5
6

1
2

3

4

5
6

7
8

G

G

G

Grounding
line

(Inter-unit)
Power lines

(Inter-unit)
Control lines

Terminal

OUTDOOR UNIT

Power supply line

Single-phase, 230/208V

60Hz

L1

L2

Fig. 23

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

WARNING

●

Be sure to comply with local codes on running

the wire 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.

●

To avoid the risk of electric shock, each air

conditioner unit must be grounded.

WARNING

CH0951, CH1251 Models

CH1852 Model

3-8. Wiring Instructions for Inter-unit Connections

a) Remove the grille. (See 3-4. Remove the Grille to

Install the Indoor Unit on page 8.)

b) Insert the inter-unit wiring (according to local codes)

into the through-the-wall PVC pipe. Run the wiring

toward the indoor side allowing approx. 10 in. (25

cm) to extend from the wall face. (Fig. 24)

CAUTION

Never fix the wiring by any

means before the indoor unit

is fully seated on the rear

panel.

Rear
panel

Wiring

Wall

10 in.

(25 cm)

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Plastic
cover

Fig. 24

01-385 AirCon 12/11/01 4:41 PM Page 10

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