Sanyo CL1852, XS1852, C1852 service manual Electrical Wiring General Precautions on Wiring

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7. INSTALLATION INSTRUCTIONS

4)Electrical Wiring

General Precautions on Wiring

(1)Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram.

(2)Provide a power outlet to be used exclu- sively for each unit, and a power supply disconnect and circuit breaker for overcurrent protection should be pro- vided in the exclusive line.

(3)To prevent possible hazards from insula- tion failure, the unit must be grounded.

(4)Each wiring connection must be done in accordance with the wiring system dia- gram. Wrong wiring may cause the unit to misoperate or become damaged.

(5)Do not allow wiring to touch the refriger- ant tubing, compressor, or any moving parts of the fan.

(6)Unauthorized changes in the internal wiring can be very dangerous. The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes.

(7) Regulations on wire diameters differ from locality to locality. For field wiring rules, please refer to your LOCAL ELECTRI- CAL CODES (ex. National Electric Code: ANSI/NFPA70) before beginning. You must ensure that installation complies with all relevant rules and regulations.

(8) To prevent malfunction of the air condi- tioner caused by electrical noise, care must be taken when wiring as follows:

ã The inter-unit control wiring and the remote control wiring (option) should be wired apart from the inter-unit power wiring.

SM830079

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Contents Technical Data Indoor Unit Outdoor Unit XS1852 C1852Please Read Before Starting If Necessary, Get HelpTable of Contents Introduction Read Me First XS1852 / CL1852 Operating RangeXS1852 / C1852 Specifications Unit SpecificationsData Subject to Change Without Notice Major Component Specifications Indoor Unit Fan motorMajor Component Specifications Outdoor Unit CompressorOther Component Specifications Indoor Unit Model No XS1852 Power TransformerOther Component Specifications Outdoor Unit Model No CL1852Dimensional Data Indoor Unit XS1852Outdoor Unit C1852, CL1852 Performance Charts 230VAIR Throw Distance Chart Model XS1852To prevent heat loss and wet floors due to dripping Refrigerant Flow DiagramInsulation of Refrigerant Tubing Installation Instructions Tubing LengthSelecting the Installation Site AvoidBaffle Plates for the Outdoor Unit CL×× models only ÃInstall the outdoor unitChoose a place that is well ventilated Electrical Wiring General Precautions on Wiring Wiring System Diagram ModelsElectrical Data Electric Wiring Diagram Electrical Wiring DiagramsSchematic Diagram Outdoor Unit C1852 Outdoor Unit CL1852 Room Temperature Control Processes and FunctionsFreeze Prevention Drain Pump ControlMedium Service Procedures 1334XS Check remote control unit There is a possibility of short circuitCheck. auxiliary relay Check Operation selector switch in the indoor unitTransformer in indoor unit Check fuse on the P.C.B. Ass’y in the indoor unit FMIOutdoor Unit does not Run Check Cool / FAN selector switch in the remote control unitCheck set temperature Check float switch Refer to 11 Drain Pump Control Check compressor motor magnetic contactorIndoor Unit does not Run Indoor fan and louver motor do not runSome Part does not Operate Indoor fan does not runCompressor does not Run Outdoor Fan does not RunOutdoor Fan does not Run for CL1852 Poor Cooling Excessive CoolingRoom temp. Sensor in the remote control unit is defective Operation of Major Electrical PartsPower Supply Wires Measurement of Insulation Re- sistance for Electrical partsChecking the Protective Devices Compressor motor thermal protector . . . . . . Outdoor unitIndoor fan motor FMI Indoor unit Measure the coil resistance Motor capacitor Both in indoor and outdoor unitMethod Used to Replace Fuse on PCB Ass’y Thermistor Characteristic CurveContinuity of fuse on P.C.B. Ass’y Central Region
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XS1852, CL1852, C1852 specifications

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