Sanyo CH1251, CH0951 Recommended Wire Length and Diameter, Never fix the wiring by any, Panel

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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.

NOTE

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.

WARNING

WIRING SYSTEM DIAGRAM

 

CH0951, CH1251 Models

 

 

 

INDOOR UNIT

Disconnect

(Inter-unit)

OUTDOOR UNIT

 

 

switch

 

 

Power lines

 

 

Terminal

(Field supply)

Terminal

 

 

 

1

 

 

 

1

 

 

 

2

 

 

 

2

 

line 115V

 

3

 

 

 

3

 

 

4

 

 

 

4

 

 

 

 

 

 

supply phase,

 

5

 

 

 

5

 

 

6

 

 

 

6

 

 

 

 

 

L

Power Single-

60Hz

 

 

 

 

7

 

 

(Inter-unit)

 

N

 

 

 

8

G

 

Control lines

G

 

 

Grounding

 

 

G

 

 

 

 

 

 

line

 

 

 

 

 

 

 

 

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.

WARNING

To avoid the risk of electric shock, each air conditioner unit must be grounded.

CAUTION

CH1852 Model

INDOOR UNIT

Disconnect

(Inter-unit)

OUTDOOR UNIT

 

 

switch

 

 

Power lines

 

 

Terminal

(Field supply)

Terminal

 

 

 

1

 

 

 

1

 

line 230/208V

 

2

 

 

 

2

 

 

3

 

 

 

3

 

 

4

 

 

 

4

 

 

 

 

 

 

supply phase,

 

5

 

 

 

5

 

 

6

 

 

 

6

 

 

 

 

 

L1

Power Single-

60Hz

 

 

 

 

7

 

 

(Inter-unit)

 

L2

 

 

 

8

G

 

Control lines

G

 

 

Grounding

 

 

G

 

 

 

 

 

 

line

 

 

 

 

 

 

 

 

Fig. 23

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.

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

Wall

panel

 

Plastic cover

Wiring

10 in. (25 cm)

Fig. 24

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Contents Installation Instructions ContentsCase of Improper Installation When TransportingWhen Installing… When WiringGeneral Installation Site Selection Additional Materials Required for InstallationSolid base must not cover Outdoor UnitHole of the bottom plate Remove the Rear Panel from the Unit KHS1852Case of right-rear Make a HoleIf Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall How to remove the grille Remove the Grille to Install the Indoor UnitHow to replace the grille Wiring Instructions General precautions on wiring Shape the Indoor Side TubingIs fully seated on the rear Recommended Wire Length and DiameterNever fix the wiring by any PanelKHS0951, KHS1251 KHS1852 For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Mounting Right-side tubingDrain Hose To unmount indoor unitRisk of Electric Shock Wiring Instructions for the Outdoor Unit How to Install the Outdoor UnitExamples of Incorrect Wiring ProblemUse of the Flaring Method Flaring Procedure with a Flare ToolRefrigerant Tubing DeburringInsulation of Refrigerant Tubing Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation After a tube has been insulatedAir Purging Hex wrench before Be sure to completely insertAttempting to turn the valve How to Test Run the Air Conditioner Pump Down Basic Function of the Service ValvesRing Valve cap Stem When mounting the remote control unit to prevent theft Remote Control Unit Installation PositionWhen using the remote control unit Mounting on a Wall