Sanyo CH1271, CH0971 service manual Names of Parts, Outdoor Unit

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Names of Parts

Air intakes

INDOOR UNIT

Air outlet

Remote control unit

Drain hose

Refrigerant tubes

OUTDOOR UNIT

Air outlet

NOTE

This illustration is based on the external view of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected.

This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit.

Air Intake	Air from the room is drawn into this section and passes through air filters which
	remove dust.

Air Outlet	Conditioned air is blown out of the air conditioner through the air outlet.

Remote Control Unit	The wireless remote control unit controls power ON/OFF, operation mode
	selection, temperature, fan speed, timer setting, and air sweeping.

Refrigerant Tubes	The indoor and outdoor units are connected by copper tubes through which
	refrigerant gas flows.

Drain Hose	Moisture in the room condenses and drains off through this hose.

Outdoor (Condensing) Unit	The outdoor unit contains the compressor, fan motor, heat exchanger coil, and
	other electrical components.

OI-802-5EG	5

Image 58

Contents DC Inverter Split System AIR Conditioner Indoor Model No. Product Code NoPlease Read Before Starting Table of Contents Checking Electrical Components Operating Range Indoor Air Intake Temp Outdoor Air Intake TempKHS0971 SpecificationsUnit Specifications CH0971KHS1271 CH1271Major Component Specifications Indoor UnitCB-KHS1271 Microprocessor 250V 3A Compressor Outdoor UnitOutdoor Unit CH0971 External FinishOutdoor Unit CH1271 Compressor temp sensor Other Component SpecificationsIndoor heat exchanger sensor Outdoor air temp sensorDimensional Data Indoor Unit KHS097121-3/16 10-13/16 Insulation of Refrigerant Tubing Refrigerant Flow DiagramRefrigerant Flow Diagram After a tube has been insulated To break or crackTemperature Charts Performance DataHigh pressure performance chart Indoor Unit KHS1271 Outdoor Unit CH1271 493 Tube service Power Supply 115V Single Phase 60Hz Cooling Capacity Cooling Capacity11,900 BTU/h Cooling Capacity Low Ambient SHC Sensible Heat Capacity BTU/h Heating Capacity Power Supply 115V Single Phase 60Hz Heating CapacityTH Total Heating Capacity BTU/h 14,300 BTU/h Room air temp F 26.7C Fan speed High Horizontal distance ft Air Throw Distance ChartsCooling Vertical distance ft Heating Vertical distance ftHeating Electrical Data Electrical CharacteristicsCH0971 Cooling Indoor Unit KHS0971 KHS1271 Electric Wiring Diagrams8FA2-5257-71600-0 Outdoor Unit CH0971 CH1271 WHT REDON/OFF operation button HR.TIMER button ACL Reset button MaintenanceAddress Setting of the Remote Control Unit ION buttonHow to Disconnect How to ConnectEmergency operation FunctionsOperation Functions Auto cooling/heating operationTimer backup Lamp colorsOverload prevention during heating Compressor discharge temperature controlProtective Functions Cold-air prevention during heatingCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Indoor UnitReplace the controller Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the circuit board or the fuseBefore the Operation Serial Communication Error Identification ProcedureOff Blinking Illuminated Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Outdoor Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble CorrectionMeasurement of Insulation Resistance Power Supply CordChecking Electrical Components Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy What is New Refrigerant R410A? Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A CharacteristicsChecklist before Servicing Tubing Installation Procedures Tools Specifically for R410AProcedure for Replacing Compressor Case of Compressor MalfunctionDamage to the compressor Never charge a large amountUnit. This may cause ExampleWelding leaking points Case Refrigerant is LeakingRecharging Retro-Fitting Existing Systems When Tubes are ExtendedCharging Additional Refrigerant Use of Existing UnitsOI-852-6-4180-802-00-2 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Outdoor UnitUnit Display and Operation Button Quiet lampRemote Control Unit Display Hour OFF Timer Remote Control UnitOn Time DRY AutoHeat CoolHow to Install Batteries Using the Remote Control UnitTemperature Display Selector Button Time Display Selector buttonUsing the Remote Control Unit Step Operation with the Remote Control UnitPress the ON/OFF operation button Press the TEMP. setting buttons to change the temperature Operation with the Remote Control UnitPress the Mode selector button and select the desired mode Set the FAN Speed selector button to the setting you wantAdjusting the Fan Speed Cooling and DRY Mode Night Setback Mode is used for saving energyQuiet Mode Special Remarks Example To set to 1030 pm Setting the TimerOperation Indication To cancel a timer program Press the Cancel button Setting the TimerHow to set the on time Example To start operation at 710 am 1030 pm 710 am 1100 am Present timeCancellation procedure Using the 1-Hour OFF TimerSetting procedure Operation together with the Daily ON/OFF Repeat TimerAdjusting the Airflow Direction Cool Sweep DRY FAN HeatCare and Cleaning Operation without the Remote Control UnitWhen the air conditioner is not running Grasp both ends of the air Care and CleaningCleaning Intake grilleFollow the steps below when the generator has become dirty Negative ion generator metal electrodes inside plastic caseTrouble Possible Cause Remedy TroubleshootingOperating Range Max DB / 71 F WB Min DB / 57 F WBAppendix B Installation Instructions Installation Instructions ContentsPlease Read Before Starting General Tools Required for Installation not suppliedAccessories Supplied with Unit Table Optional Copper Tubing KitAdditional Materials Required for Installation Installation Site SelectionAvoid Solid base must not cover Hole of the bottom plateRemove the Rear Panel from the Unit How to Install the Indoor UnitTrical wiring or conduits are Make a HoleIf Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall Remove the Grille to Install the Indoor Unit How to replace the grilleWiring Instructions General precautions on wiring Shape the Indoor Side TubingRecommended Wire Length and Diameter Wiring System DiagramWiring Instructions for Inter-unit Connections For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Mounting Right-side tubingLeft-side tubing Switching drain hose and drain capDrain cap To unmount indoor unit Do not supply power toTubing and wiring to the out Unit or operate it until allFirst refer to . Installation Site Selection How to Install the Outdoor UnitWiring Instructions for the Outdoor Unit Refrigerant Tubing Flaring Procedure with a Flare ToolTo 0.5 mm Adjust so that the amount of tube Use of the Flaring MethodInsulation of Refrigerant Tubing Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation To prevent heat loss and wet floors due to dripping of conTem. The valve core is similar to Air PurgingAir Purging with a Vacuum Pump for Test Run Those used in automobile tiresThis may cause the refriger Be sure to completely insertHex wrench before Ant gas to leak. In order toHow to Test Run the Air Conditioner Operation lamp Timer lamp Quiet lamp ION lampBasic Functions of the Service Valves Pump DownRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control Unit