Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo service manual KHS0971 + CH0971 KHS1271 + CH1271

Models: CH0971 CH1271

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APPENDIX A INSTRUCTION MANUAL

KHS0971 + CH0971 KHS1271 + CH1271

(OI-852-6-4180-802-00-2)

A-1

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Sanyo service manual KHS0971 + CH0971 KHS1271 + CH1271

Contents

KHS0971 KHS0971 + CH0971 KHS1271 + CH1271DC INVERTER SPLIT SYSTEM AIR CONDITIONER CH0971When Transporting SPECIAL PRECAUTIONSWARNING When Wiring When InstallingREFRIGERANT FLOW DIAGRAM Table of ContentsSPECIFICATIONS MAINTENANCE10. CHECKING ELECTRICAL COMPONENTS SPECIAL PRECAUTIONS WHEN SERVICING UNITINSTALLATION INSTRUCTIONS 11.REFRIGERANT R410A1. OPERATING RANGE Indoor Air Intake TempOutdoor Air Intake Temp Features 2. SPECIFICATIONS2-1.Unit Specifications WeightKHS1271 CH1271Voltage Rating Remote Control Unit Fan 2-2.Major Component Specifications2-2-1.Indoor Unit Control PCBFan Motor Remote Control Unit FanControl PCB Flap MotorCompressor 2-2-2.Outdoor UnitControl PCB Fan MotorFan Motor Control PCBCompressor Heat Exchanger Coil2-3.Other Component Specifications 3. DIMENSIONAL DATA KHS1271CH1271 4. REFRIGERANT FLOW DIAGRAM 4-1.Refrigerant Flow DiagramInsulation of Refrigerant Tubing 5-1.Temperature Charts 5. PERFORMANCE DATA3 Indoor discharge air performance chart 1 High pressure performance chart2 Operating current performance chart Indoor Unit KHS09713 Indoor discharge air performance chart 1 Low pressure performance chart2 Operating current performance chart air temperaturevalve 5-2.Cooling Capacity KHS0971CH0971 KHS1271 CH12715-3.Cooling Capacity Low Ambient KHS0971CH0971 KHS1271 CH1271SHC Sensible Heat Capacity BTU/h 5-4.Heating Capacity KHS0971CH0971 KHS1271 CH12715-5.Air Throw Distance Charts Cooling Indoor Unit 6-1.Electrical Characteristics6. ELECTRICAL DATA KHS12716-2.Electric Wiring Diagrams Indoor Unit KHS0971 KHS1271and/or cleaning any electrical parts Outdoor Unit CH0971 CH12717. MAINTENANCE 7-1.Address Setting of the Remote Control UnitHow to Disconnect How to ConnectPull the cover upward Emergency operation 8. FUNCTIONS8-1.Operation Functions AUTO cooling/heating operationNIGHT SETBACK HIGH POWERTimer backup Lamp colorsOverload prevention during heating Compressor discharge temperature control8-2.Protective Functions Cold-airprevention during heatingDefrost detection and release CT Peak current cut-offcontrolDefrosting Sequence 9. TROUBLESHOOTING 9-2.Method of Self-DiagnosticsPROCEDURE 1Self-diagnosticsLamps INDOOR UNIT 9-3.Checking the Indoor and Outdoor Units Before the Operation 3-1Condition E01Continued from the previous page A A Yes 3-2Condition E12 9-4.Trouble Diagnosis of Fan Motor 9-4-1.Outdoor Fan MotorCorrection Locations most susceptible to noiseTrouble Locations most susceptible to noise10-1.Measurement of Insulation Resistance 10-1-1.Power Supply Cord10. CHECKING ELECTRICAL COMPONENTS 10-1-2.Indoor Unit10-2.Checking Continuity of Fuse on PCB Assy 11-1-1.What is New Refrigerant R410A? SPECIAL PRECAUTIONS WHEN SERVICING UNIT11-1.Characteristics of New Refrigerant R410A 11-1-3.CharacteristicsSize of flare 11-2.Checklist before ServicingTubing precautions No addition of compressor oil for R410A11-4.Tubing Installation Procedures 11-3.Tools Specifically for R410A11-5-1.Procedure for Replacing Compressor 11-5.In Case of Compressor MalfunctionPage 11-6.In Case Refrigerant is Leaking 11-8. Retro-FittingExisting Systems 11-7-1.When Tubes are Extended11-7.Charging Additional Refrigerant 11-8-1.Use of Existing UnitsKHS0971 + CH0971 KHS1271 + CH1271 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Remote Control Unit Names of PartsRemote control unit Drain hose Refrigerant tubes Air intakes INDOOR UNIT Air outletUnit Display and Operation Button Remote Control Unit Display Remote Control Unit QUIET button Remote Control Unit continuedHIGH POWER button AUTOUsing the Remote Control Unit Remote Control Unit continuedUsing the Remote Control Unit continued Operation with the Remote Control Unit 1. Automatic OperationOperation with the Remote Control Unit continued 2. Manual OperationOperation with the Remote Control Unit continued 3.Adjusting the Fan Speed4.Fan Only STEP STEP STEP5. Night Setback Mode Operation with the Remote Control Unit continued8. ION Mode 7. HIGH POWER Mode6. QUIET Mode Operation with the Remote Control Unit continued‘‘DRY’’ Operation Remote Control UnitSpecial Remarks Heating OperationSetting the Timer 1.How to set the present timeSetting the Timer continued REPEAT timerUsing the 1-HourOFF Timer Tips for Energy SavingAdjusting the Airflow Direction Operation without the Remote Control Unit Care and CleaningAnti-moldfilter Care and Cleaning continuedCleaning Anti-moldfilter FRONT mark Hook Groove PinCare and Cleaning continued Air Clean FilterTrouble TroubleshootingOperating Range Possible CauseAPPENDIX B INSTALLATION INSTRUCTIONS KHS0971 + CH0971 KHS1271 + CH1271Contents INSTALLATION INSTRUCTIONSNOTE Refrigerant service valve size = 5/16 When Transporting SPECIAL PRECAUTIONSIn Case of Improper Installation When Installing…1-2.Accessories Supplied with Unit Table 1. General1-1.Tools Required for Installation not supplied 1-3.Optional Copper Tubing Kit2. Installation Site Selection Fig. 5a 2-2.Outdoor Unit AVOIDA solid base must not cover Fig. 5b3-1.Remove the Rear Panel from the Unit 3. How to Install the Indoor Unittrical wiring or conduits are 3-2.Make a Holeb If Block, Brick, Concrete or Similar Type Wall 3-3.Install the Rear Panel on the Walla If Wooden Wall Fig. Fig. Fig3-4.Remove the Grille to Install the Indoor Unit 3-5.Shape the Indoor Side Tubing 3-6.Wiring InstructionsGeneral precautions on wiring Fig. Fig3-7.Recommended Wire Length and Diameter Inter-unitwiring Earth plate Lock nut 3-8.Wiring Instructions for Inter-unitConnectionsPlastic cover Wiring 10 25 cm Top of conduit connectorHow to connect wiring to the terminal Fig. 37a 3-9.MountingRight-sidetubing Fig. 37bLeft-sidetubing To unmount indoor unit 4. How to Install the Outdoor Unit 4-1.Wiring Instructions for the Outdoor Unit5-3.Caution before Connecting Tubes Tightly 5. Refrigerant Tubing5-2.Flaring Procedure with a Flare Tool 5-1.Use of the Flaring MethodPage tem. The valve core is similar to 6. Air PurgingAir Purging with a Vacuum Pump for Test Run those used in automobile tiresThis may cause the refriger Be sure to completely insertthe hex wrench before ant gas to leak. In order toHow to Test Run the Air Conditioner Fig. 59a Fig. 59bFig. 59c Basic Functions of the Service Valves Pump Down7. Remote Control Unit Installation Position 7-1.Mounting on a Wall8. Address Switch 8-1.Address Setting of the Remote Control Unit1300 Michael Drive, Suite A SANYO Commercial SolutionsA Division of SANYO North America Corporation Wood Dale, IL 60191, U.S.A Sanyo Canada Inc