Sanyo CL1852, C1852, C1251 How to Install the Outdoor Unit, Examples of Incorrect Wiring, Problem

Page 15

4. How to Install the Outdoor Unit

First refer to Section 2. Installation Site Selection.

4-1. Wiring Instructions for the Outdoor Unit

Regulations on wire size differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Make sure that the installation fully complies with all local and national regulations.

(1)Remove access panel. (Fig. 41)

(2)Connect the power line according to the drawing on the panel side.

(3)Be sure to size each wire allowing approx. 4 in. (10 cm) longer than the required length for wiring. Store excess wiring inside the cabinet.

(4)When connections are completed, check that all connec- tions are correct as shown in the wiring system diagram on panel side.

(5)Be sure to ground the unit according to your local codes.

Lock nut

Terminal

block

 

Access panel

Conduit plate

Plug

Power supply

Inter-unit line

Fig. 41

CAUTION

Examples of Incorrect Wiring

The following are examples of improper wiring that result in system misoperation. You should confirm that you have wired the units correctly before beginning the test run.

Problem 1

Short circuit will occur after approx. 3 minutes and the power circuit fuse blows.

Problem 2

Air conditioner will not operate.

(A)Disconnectswitch

1

1

2

2

3

3

G

G

 

Grounding line

Indoor unit

Outdoor unit

(B)

Disconnect

(C)

Disconnect

 

switch

 

 

switch

 

1

 

1

1

 

1

2

 

2

2

 

2

3

 

3

3

 

3

G

 

G

G

 

G

 

Grounding line

 

Grounding line

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

Problem 3

Compressor will not start; only indoor unit will operate.

(D)

Disconnect

(E)

Disconnect

 

switch

 

 

switch

 

1

 

1

1

 

1

2

 

2

2

 

2

3

 

3

3

 

3

G

 

G

G

 

G

 

Grounding line

 

Grounding line

Indoor unit

Outdoor unit

Indoor unit

Outdoor unit

15

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Contents Contents Installation InstructionsWhen Wiring When TransportingWhen Installing… Case of Improper InstallationGeneral Additional Materials Required for Installation Installation Site SelectionBaffle Plate for the Outdoor Unit CL⋅⋅ models only Outdoor UnitMake a Hole KS1852Case of right-rear Remove the Rear Panel from the UnitInstall the Rear Panel on the Wall If Wooden WallIf Block, Brick, Concrete or Similar Type Wall Remove the Grille to Install the Indoor Unit How to remove the grilleHow to replace the grille Shape the Indoor Side Tubing Wiring Instructions General precautions on wiringNo wire should be allowed to touch refrigerant Recommended Wire Length and DiameterWire from the outdoor unit to the indoor unit Each wire must be firmly connectedKS0951, KS1251 KS1852 How to connect wiring to the terminal For Indoor Unit For Outdoor Unit For solid core wiring or F-cableFor stranded wiring Right-side tubing MountingTo unmount indoor unit Drain HoseRisk of Electric Shock Problem How to Install the Outdoor UnitExamples of Incorrect Wiring Wiring Instructions for the Outdoor UnitDeburring Flaring Procedure with a Flare ToolRefrigerant Tubing Use of the Flaring MethodAfter a tube has been insulated Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation Insulation of Refrigerant TubingAir Purging Be sure to completely insert Hex wrench beforeAttempting to turn the valve How to Test Run the Air Conditioner Basic Function of the Service Valves Pump DownRing Valve cap Stem Mounting on a Wall Remote Control Unit Installation PositionWhen using the remote control unit When mounting the remote control unit to prevent theft
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