Sanyo XS1852, C1852, CL1852 service manual Wiring System Diagram, Models

Page 21

7. INSTALLATION INSTRUCTIONS

Recommended Wire Length and Wire Diameter for Power Supply System

 

(A)*1 Power Supply

(B)*1 Inter-unit

Time Delay

Power Supply Terminal Base

Models

 

Wiring

Fuse or

(Outdoor Unit)

 

 

Circuit

Capacity

 

Max. Wire

 

 

 

 

 

AWG #12

AWG #12

Capacity

 

Diameter

 

 

 

C1852, CL1852

75 ft.

65 ft.

15 A

20 A

 

AWG #12

 

 

 

 

 

 

 

*1 Refer to the Wiring System Diagrams (See below diagram) for the meaning of “A”, “B”. AWG = American Wire Gauge

NOTE

To access the electrical component box, open the air intake grille and remove the electrical component box cover.

Wiring System Diagram

Single-phase

60 Hz, 230 / 208 V

ãConduit's trade size for this unit is 1/2". The conduit can be purchased at a hard- ware store.

ãThe fuse located in the outdoor unit pro- vides power supply protection and may blow when power is applied if the system has been incorrectly wired.

(1)Ground the unit in accordance with local codes.

(2)Be sure to size each wire allowing sev- eral inches longer than the required length for wiring.

(3)Use lock nuts to secure the conduit tubes.

ãBe sure to comply with

local codes while run- ning the wire from the indoor unit to the out- door unit (size of wire and wiring method,

ãEvery wire must be connected firmly.

ãNo wire should be allowed to touch refrig- erant tubing, the com-

pressor or any moving part.etc.).

INDOOR

 

 

 

 

 

INDOOR UNIT

 

OUTDOOR UNIT

 

 

(Inter-unit)

 

 

 

 

 

 

 

 

 

 

Power lines

B

 

 

V

 

 

 

 

 

230/208 V

 

 

line 230/208

1

1

 

 

 

 

 

230/208 V

Fuse

 

 

2

2

 

 

230/208 V

 

 

 

3

4

 

A

supply phase,

 

3

 

 

 

Disconnect

 

 

L1

 

Power Single-

switch

 

5

 

 

 

 

 

 

 

 

(Field supply)

 

6

L2

 

 

 

 

 

 

 

G

Grounding

G

 

 

 

 

 

 

 

 

 

line

 

 

 

1823_M_I

 

 

 

 

 

Fig. 7

ãTo avoid the risk of

electric shock, each air conditioner unit must be grounded.

 

 

ãBe sure to connect the

 

CAUTION

power supply line to

 

 

the outdoor unit as

 

 

 

 

shown in the wiring

 

 

diagram. The indoor

 

 

unit draws its power

 

 

from the outdoor unit.

SM830079

– 21 –

Image 21
Contents Indoor Unit Outdoor Unit XS1852 C1852 Technical DataIf Necessary, Get Help Please Read Before StartingTable of Contents Introduction Read Me First Operating Range XS1852 / C1852XS1852 / CL1852 Unit Specifications SpecificationsData Subject to Change Without Notice Fan motor Major Component Specifications Indoor UnitCompressor Major Component Specifications Outdoor UnitModel No XS1852 Power Transformer Other Component Specifications Indoor UnitModel No CL1852 Other Component Specifications Outdoor UnitIndoor Unit XS1852 Dimensional DataOutdoor Unit C1852, CL1852 230V Performance ChartsModel XS1852 AIR Throw Distance ChartRefrigerant Flow Diagram Insulation of Refrigerant TubingTo prevent heat loss and wet floors due to dripping Tubing Length Installation InstructionsAvoid Selecting the Installation SiteÃInstall the outdoor unit Choose a place that is well ventilatedBaffle Plates for the Outdoor Unit CL×× models only Electrical Wiring General Precautions on Wiring Models Wiring System DiagramElectrical Data Electrical Wiring Diagrams Electric Wiring DiagramSchematic Diagram Outdoor Unit C1852 Outdoor Unit CL1852 Processes and Functions Room Temperature ControlDrain Pump Control Freeze PreventionMedium Service Procedures 1334XS There is a possibility of short circuit Check remote control unitCheck Operation selector switch in the indoor unit Transformer in indoor unitCheck. auxiliary relay FMI Check fuse on the P.C.B. Ass’y in the indoor unitCheck Cool / FAN selector switch in the remote control unit Check set temperatureOutdoor Unit does not Run Check compressor motor magnetic contactor Check float switch Refer to 11 Drain Pump ControlIndoor fan and louver motor do not run Indoor Unit does not RunSome Part does not Operate Indoor fan does not runOutdoor Fan does not Run Outdoor Fan does not Run for CL1852Compressor does not Run Excessive Cooling Poor CoolingOperation of Major Electrical Parts Room temp. Sensor in the remote control unit is defectiveMeasurement of Insulation Re- sistance for Electrical parts Power Supply WiresCompressor motor thermal protector . . . . . . Outdoor unit Checking the Protective DevicesMotor capacitor Both in indoor and outdoor unit Indoor fan motor FMI Indoor unit Measure the coil resistanceThermistor Characteristic Curve Continuity of fuse on P.C.B. Ass’yMethod Used to Replace Fuse on PCB Ass’y Central Region
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XS1852, CL1852, C1852 specifications

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