Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo CH0952 service manual KHS0951 / CH0951 KHS1251 / CH1251, KHS1852 / CH1852, KHS1852 CH1852

Models: KHS1852-S CH0952 CH1852

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TECHNICAL & SERVICE MANUAL

KHS0951 / CH0951

KHS1251 / CH1251

KHS1852 / CH1852

FILE NO.

Destination: U.S.A.

SPLIT SYSTEM AIR CONDITIONER

Indoor Model No.	Product Code No.

KHS0951	1 852 069 13

KHS1251	1 852 069 14

KHS1852-S	1 852 069 15

Indoor Unit

Outdoor Model No.	Product Code No.

CH0951	1 852 069 16

CH1251	1 852 069 17

CH1852	1 852 069 18

Outdoor Unit

KHS0951 KHS1251

CH0951 CH0952

KHS1852

CH1852

REFERENCE NO. SM700447

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Sanyo CH0952 service manual KHS0951 / CH0951 KHS1251 / CH1251, KHS1852 / CH1852, KHS1852 CH1852, KHS0951 KHS1251

Contents

KHS1852 / CH1852 KHS0951 / CH0951 KHS1251 / CH1251KHS1852 CH1852 KHS0951 KHS1251When Installing… In Case of Improper InstallationWhen Connecting Refrigerant Tubing When ServicingTable of Contents APPENDIX CHECKING ELECTRICAL COMPONENTSTemperature 1. OPERATING RANGEIndoor Air Intake Temp Outdoor Air Intake Temp2-1.Unit Specifications 2. SPECIFICATIONSKHS0951 CH0951Dimensions & Weight Features2 Indoor unit KHS1251Dimensions & Weight Features3 Indoor unit KHS1852 Outdoor unit CH1852 Voltage Rating2-2-1.Indoor Unit 2-2.Major Component Specifications2 Indoor unit KHS1251 Remote Control UnitControl PCB Fan & Fan Motor3 Indoor unit KHS1852 Remote Control UnitControl PCB Fan & Fan Motor1 Outdoor unit CH0951 2-2-2.Outdoor UnitControl PCB 2 Outdoor unit CH1251Compressor Fan & Fan MotorControl PCB 3 Outdoor unit CH1852Compressor Fan & Fan Motor2-3-1.Indoor Unit 2-3.Other Component SpecificationsKHS0951 KHS12511 Outdoor Unit 2-3-2.Outdoor UnitCH0951 2 Outdoor Unit3 Outdoor Unit Power Relay PRCH1852 DFU24D1-F3-1.Unit 3. DIMENSIONAL DATA3-1-1.Indoor Unit 1 Indoor unit KHS0951 / KHS12512 Indoor unit KHS1852 1 Outdoor unit CH0951 / CH1251 3-1-2.Outdoor UnitWide tube service valve ø15.88 5/8 Unit inch mm 12-19/32 Narrow tube service valve ø6.35 1/42Outdoor unit CH1852 4-ø15/324-1.Refrigerant Flow Diagram 4. REFRIGERANT FLOW DIAGRAMIndoor unit KHS0951 / KHS1251 Outdoor unit CH0951 / CH12515. PERFORMANCE DATA 5-1.Performance ChartsCooling Characteristics Heating CharacteristicsHeating Characteristics Cooling CharacteristicsKHS1251 CH1251Heating Characteristics Cooling CharacteristicsKHS1852 CH1852Cooling Room air temp. 80¡F 26.7¡C 5-2.Air Throw Distance ChartFan speed HighFan speed Cooling Room air temp. 80¡F 26.7¡CHigh Horizontal distance ftFan speed Cooling Room air temp. 80¡F 26.7¡CHigh Horizontal distance ft115V Single phase 60 Hz 5-3.Cooling CapacityKHS0951 CH0951KHS1251 115 V Single phase 60 HzCH1251 TC Total Cooling CapacityKHS1852 208 V Single phase 60 HzCH1852 TC Total Cooling CapacityKHS1852 230 V Single phase 60 HzCH1852 TC Total Cooling Capacity5-4.Heating Capacity Outdoor temperature ¡F DBHeating capacity ratio % 6. ELECTRICAL DATA 6-1.Electrical CharacteristicsKHS0951 CH0951CH1251 KHS1251COOLING HEATINGCH1852 KHS1852COOLING HEATING1 Indoor unit KHS0951 / KHS1251 6-2.Electric Wiring Diagramsand/or cleaning any electrical parts disconnect power before checking, servicingTo avoid electrical shock hazard, be sure to 2 Indoor unit KHS1852and/or cleaning any electrical parts disconnect power before checking, servicingTo avoid electrical shock hazard, be sure to 3 Outdoor unit CH0951 / CH1251and/or cleaning any electrical parts disconnect power before checking, servicingTo avoid electrical shock hazard, be sure to 4 Outdoor unit CH1852Top view 5 Printed circuit board POW-KHS095Afor KHS0951Bottom view Top view 6 Printed circuit board POW-KHS125Afor KHS1251Bottom view Bottom view Top viewTop view 8 Printed circuit board POW-KHS1852for KHS1852Bottom view Top view 7-1.Installation Site Selection 7. INSTALLATION INSTRUCTIONS7-1-1.Indoor Unit AVOIDInstall the outdoor unit above snowfall line 7-1-2.Outdoor UnitAVOID Fig. 5a7-2-1.Mounting on a Wall 7-2.Remote Control Unit Installation PositionRemovable mounting Fig. Non-removablemounting7-3-1.Finding the Address Switches 7-3.Address Switches7-3-2.Switch Positions for Up to 2 Units Remote Control UnitEach wire must be firmly connected 7-4.Recommended Wire Length and DiameterWIRING SYSTEM DIAGRAM 8. FUNCTION 8-1.Room Temperature ControlCooling Heating 8-2.Dry Operation Dehumidification 8-5.Overload Prevention Heating 8-4.Freeze Prevention Cooling8-6.Cold draft Prevention Heating Defrosting Flowchart 8-7.Defrosting Operation HeatingDefrosting Mode Timing Chart 8-8.Low Temperature Cutff Heating9-1.Check before and after troubleshooting 9. TROUBLESHOOTING9-1-1.Check power supply wiring 9-1-2.Check inter-unitwiring9-2-1.Circuit breaker trips or fuse blows 9-2.Air conditioner does not operateA. Power is not supplied 9-2-2.Neither indoor nor outdoor unit runsE. Check TIMER on the remote control unit C. Check remote control unitD. Check fuse on the indoor PCB Assy 9-2-4.Only indoor unit does not run 9-2-3.Only outdoor unit does not runA. Check setting temperature 9-3-1.Only indoor fan does not run 9-3.Some part of air conditioner does not operate9-3-2.Only flap motor does not run 9-3-5.Only compressor does not run 9-3-4.Only outdoor fan does not runHEAT COOL COOL HEAT9-4-3.Excessive cooling or heating 9-4-2.Poor cooling or heating9-5-2.Room temp. thermistor TH2 is defective 9-5.If a sensor is defectiveA. Open B. Short10. CHECKING ELECTRICAL COMPONENTS 10-1-1.Power Supply Wires10-1.Measurement of Insulation Resistance 10-1-2.Indoor Unit10-3.Checking Motor Capacitor 10-2.Checking Continuity of Fuse on PCB AssyIndoor Unit KHS0951 / KHS1251 11. ARRANGEMENT OF ELECTRICAL COMPONENTKHS1852 Electric Parts Outdoor Unit CH0951 / CH1251 / CH1852Parts Layout in Unit KHS0951 + CH0951 KHS1251 + CH1251 APPENDIXKHS1852 + CH1852 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Remote Control Unit Names of PartsINDOOR UNIT Air intakes Air outlet Drain hose Refrigerant tubes OUTDOOR UNITUnit Display and Operation Selector Symbols Remote Control Unit DisplaySET TEMP H OFFRemote Control Unit Remote Control Unit continued How to Install Batteries Using the Remote Control UnitHow to Use the Remote Control Unit Remote Control Unit Installation PositionMounting the Remote Control Unit Using the Remote Control Unit continued1. Automatic Operation Operation with the Remote Control UnitPress TEMP. to change the temperature setting Operation with the Remote Control Unit continuedTo raise the temperature TEMP. setting To lower the temperature setting2. Manual Operation Operation with the Remote Control Unit continued3.Adjusting the Fan Speed Operation with the Remote Control Unit continued4. Night Setback Mode Operation with the Remote Control Unit continuedThe Night Setback Mode is used for saving energy BATTERIES ACLA. In Cooling and DRY Mode and Operation with the Remote Control Unit continuedPower failure during operation Clicking Sound Special RemarksRemote Control Unit ``DRY OperationH OFF Using the 12-HourON and OFF TimerUsing the 1-HourOFF Timer 1. Horizontal Adjusting the Airflow Direction2. Vertical Care and Cleaning Operation without the Remote Control UnitAnti-moldfilter How to remove the anti-moldfilter Care and Cleaning continuedHow to replace the anti-moldfilter Air intake grilleAir cleaning filter not provided Care and Cleaning continuedCare and Cleaning continued Tips for Energy SavingDo not Operating Range TroubleshootingSANYO FISHER SERVICE CORPORATION For Parts or Service ContactA DIVISION OF SANYO LOGISTICS CORPORATION