Sanyo CH0971, CH1271 service manual Table of Contents

Page 3

Table of Contents

 

 

 

Page

1.

OPERATING RANGE

5

2.

SPECIFICATIONS

 

 

2-1.

Unit Specifications

6

 

2-2.

Major Component Specifications

8

 

2-3.

Other Component Specifications

12

3.

DIMENSIONAL DATA

13

4.

REFRIGERANT FLOW DIAGRAM

 

 

4-1.

Refrigerant Flow Diagram

15

5.

PERFORMANCE DATA

 

 

5-1.

Temperature Charts

16

 

5-2.

Cooling Capactiy

20

 

5-3.

Cooling Capactiy (Low Ambient)

22

 

5-4.

Heating Capactiy

24

 

5-5. Air Throw Distance Charts

26

6.

ELECTRICAL DATA

 

 

6-1.

Electrical Characteristics

28

 

6-2.

Electric Wiring Diagrams

29

7.

MAINTENANCE

 

 

7-1. Address Setting of the Remote Control Unit

31

 

7-2. Disconnecting and Connecting Positive Connector for Outdoor Unit

32

8.

FUNCTIONS

 

 

8-1.

Operation Functions

33

 

8-2.

Protective Functions

35

9.

TROUBLESHOOTING

 

 

9-1. Precautions before Performing Inspection or Repair

37

 

9-2.

Method of Self-Diagnostics

37

 

9-3. Checking the Indoor and Outdoor Units

39

 

9-4. Trouble Diagnosis of Fan Motor

43

 

9-5.

Noise Malfunction and Electromagnetic Interference

44

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Contents Indoor Model No. Product Code No DC Inverter Split System AIR ConditionerPlease Read Before Starting Table of Contents Checking Electrical Components Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeCH0971 SpecificationsUnit Specifications KHS0971CH1271 KHS1271Indoor Unit Major Component SpecificationsCB-KHS1271 Microprocessor 250V 3A External Finish Outdoor UnitOutdoor Unit CH0971 CompressorOutdoor Unit CH1271 Outdoor air temp sensor Other Component SpecificationsIndoor heat exchanger sensor Compressor temp sensorIndoor Unit KHS0971 Dimensional Data21-3/16 10-13/16 After a tube has been insulated To break or crack Refrigerant Flow DiagramRefrigerant Flow Diagram Insulation of Refrigerant TubingPerformance Data Temperature ChartsHigh pressure performance chart Indoor Unit KHS1271 Outdoor Unit CH1271 493 Tube service Cooling Capacity Power Supply 115V Single Phase 60Hz Cooling Capacity11,900 BTU/h Cooling Capacity Low Ambient SHC Sensible Heat Capacity BTU/h Power Supply 115V Single Phase 60Hz Heating Capacity Heating CapacityTH Total Heating Capacity BTU/h 14,300 BTU/h Heating Vertical distance ft Air Throw Distance ChartsCooling Vertical distance ft Room air temp F 26.7C Fan speed High Horizontal distance ftHeating Electrical Characteristics Electrical DataCH0971 Cooling Electric Wiring Diagrams Indoor Unit KHS0971 KHS12718FA2-5257-71600-0 WHT RED Outdoor Unit CH0971 CH1271ION button MaintenanceAddress Setting of the Remote Control Unit ON/OFF operation button HR.TIMER button ACL Reset buttonHow to Connect How to DisconnectAuto cooling/heating operation FunctionsOperation Functions Emergency operationLamp colors Timer backupCold-air prevention during heating Compressor discharge temperature controlProtective Functions Overload prevention during heatingDefrost detection and release CT Peak current cut-off controlReverse-Cycle Defrosting Troubleshooting Precautions before Performing Inspection or RepairMethod of Self-Diagnostics Indoor Unit Self-diagnostics LampsReplace the circuit board or the fuse Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the controllerCondition E01 Serial Communication Error Identification ProcedureOff Blinking Illuminated Before the OperationTerminal board Outdoor Unit Condition E12 Outdoor Fan Motor Trouble Diagnosis of Fan MotorLocations most susceptible to noise Trouble Correction Noise Malfunction and Electromagnetic InterferenceNoise malfunction Electromagnetic interferenceMeasurement of Insulation Resistance for Electrical Parts Power Supply CordChecking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Characteristics Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A What is New Refrigerant R410A?Checklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorExample Never charge a large amountUnit. This may cause Damage to the compressorCase Refrigerant is Leaking Welding leaking pointsRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsOI-852-6-4180-802-00-2 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Outdoor Unit Names of PartsQuiet lamp Unit Display and Operation ButtonRemote Control Unit Display Remote Control Unit Hour OFF TimerOn Time Cool AutoHeat DRYButton Time Display Selector button Using the Remote Control UnitTemperature Display Selector How to Install BatteriesUsing the Remote Control Unit Operation with the Remote Control Unit StepPress the ON/OFF operation button Set the FAN Speed selector button to the setting you want Operation with the Remote Control UnitPress the Mode selector button and select the desired mode Press the TEMP. setting buttons to change the temperatureAdjusting the Fan Speed Night Setback Mode is used for saving energy Cooling and DRY ModeQuiet Mode Special Remarks Setting the Timer Example To set to 1030 pmOperation Indication 1030 pm 710 am 1100 am Present time Setting the TimerHow to set the on time Example To start operation at 710 am To cancel a timer program Press the Cancel buttonOperation together with the Daily ON/OFF Repeat Timer Using the 1-Hour OFF TimerSetting procedure Cancellation procedureCool Sweep DRY FAN Heat Adjusting the Airflow DirectionOperation without the Remote Control Unit Care and CleaningWhen the air conditioner is not running Intake grille Care and CleaningCleaning Grasp both ends of the airNegative ion generator metal electrodes inside plastic case Follow the steps below when the generator has become dirtyMax DB / 71 F WB Min DB / 57 F WB TroubleshootingOperating Range Trouble Possible Cause RemedyAppendix B Installation Instructions Contents Installation InstructionsPlease Read Before Starting Optional Copper Tubing Kit Tools Required for Installation not suppliedAccessories Supplied with Unit Table GeneralInstallation Site Selection Additional Materials Required for InstallationAvoid Hole of the bottom plate Solid base must not coverMake a Hole How to Install the Indoor UnitTrical wiring or conduits are Remove the Rear Panel from the UnitInstall the Rear Panel on the Wall If Wooden WallIf Block, Brick, Concrete or Similar Type Wall How to replace the grille Remove the Grille to Install the Indoor UnitShape the Indoor Side Tubing Wiring Instructions General precautions on wiringWiring System Diagram Recommended Wire Length and DiameterWiring Instructions for Inter-unit Connections 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 MountingSwitching drain hose and drain cap Left-side tubingDrain cap Unit or operate it until all Do not supply power toTubing and wiring to the out To unmount indoor unitHow to Install the Outdoor Unit First refer to . Installation Site SelectionWiring Instructions for the Outdoor Unit Use of the Flaring Method Flaring Procedure with a Flare ToolTo 0.5 mm Adjust so that the amount of tube Refrigerant TubingTo prevent heat loss and wet floors due to dripping of con Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation Insulation of Refrigerant TubingThose used in automobile tires Air PurgingAir Purging with a Vacuum Pump for Test Run Tem. The valve core is similar toAnt gas to leak. In order to Be sure to completely insertHex wrench before This may cause the refrigerOperation lamp Timer lamp Quiet lamp ION lamp How to Test Run the Air ConditionerPump Down Basic Functions of the Service ValvesMounting on a Wall Remote Control Unit Installation PositionAddress Setting of the Remote Control Unit Address Switch
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