Sanyo CH0971 service manual Outdoor Unit CH1271

Page 11

Outdoor Unit CH1271

Control PCB

Part No.

Controls

Control Circuit Fuse

Compressor

CB-CH1271

Microprocessor

125V 25A

 

Type

 

 

DC Rotary (Inverter)

 

Compressor Model / Nominal Output

 

 

G4C090LU1ER / 900W

 

Compressor Oil ... Amount

Pints (cc)

FV50S ... 0.68 (320)

 

Coil Resistance (Ambient Temp. 68 °F (20 °C)) Ohm

U - V : 0.81

 

 

 

 

 

V - W : 0.81

 

 

 

 

 

W - U : 0.81

 

Safety Device

 

 

Yes

 

 

CT (Peak current cut-off control)

 

 

Compressor Discharge Temp. Control

Yes

 

 

Operation cut-off control in abnormal ambient Temp.

Yes

 

 

Overload Relay

 

Model

CS-7L115

 

 

 

Operation Temp.

Open : 239 °F (115 °C), Close : 203 °F (95 °C)

 

Run Capacitor

 

Micro F

-

 

 

 

 

VAC

-

 

Crankcase Heater

 

 

115V 20W

Fan

Type

 

Q'ty ... Dia.

inch (mm)

Propeller

1 ... D15-3/4 (D400)

Fan Motor

 

 

 

Type

 

DC Motor

 

Model ... Q'ty

 

DAJ12-55J71-CU ... 1

 

No. of Poles

 

8

 

Rough Measure RPM (Cool / Heat)

 

750 / 750

 

Nominal Output

W

50

 

Coil Resistance

Ohm

RED - WHT : 77.5

 

(Ambient Temp. 68 °F (20 °C))

 

WHT - BLU : 77.5

 

 

 

 

BLU - RED : 77.5

 

Safety Device

 

 

 

 

Type

 

Internal Controller

 

 

Over- Current Protection

 

Yes

 

Run Capacitor

Micro F

-

 

 

 

VAC

-

 

 

 

 

 

Heat Exchanger Coil

 

 

 

Coil

 

Aluminum Plate Fin / Copper Tube

 

Rows

 

2

 

Fins per inch

 

18.1

 

Face Area

ft2 (m2)

3.95 (0.367)

External Finish

Acrylic baked-on enamel finish

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

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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 TH Total Heating Capacity BTU/h Power Supply 115V Single Phase 60Hz Heating CapacityHeating Capacity 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 CH0971 Cooling Electrical CharacteristicsElectrical Data 8FA2-5257-71600-0 Electric Wiring DiagramsIndoor Unit KHS0971 KHS1271 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 heatingReverse-Cycle Defrosting Defrost detection and releaseCT Peak current cut-off control Method of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair 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 compressorRecharging Case Refrigerant is LeakingWelding leaking points Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsOI-852-6-4180-802-00-2 Features Product Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Outdoor Unit Names of PartsQuiet lamp Unit Display and Operation ButtonRemote Control Unit Display On Time Remote Control UnitHour OFF Timer Cool AutoHeat DRYButton Time Display Selector button Using the Remote Control UnitTemperature Display Selector How to Install BatteriesUsing the Remote Control Unit Press the ON/OFF operation button Operation with the Remote Control UnitStep 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 Operation Indication Setting the TimerExample To set to 1030 pm 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 DirectionWhen the air conditioner is not running Operation without the Remote Control UnitCare and Cleaning 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 GeneralAvoid Installation Site SelectionAdditional Materials Required for Installation 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 UnitIf Block, Brick, Concrete or Similar Type Wall Install the Rear Panel on the WallIf Wooden 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 For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit For solid core wiring or F-cable Right-side tubing MountingDrain cap Switching drain hose and drain capLeft-side tubing Unit or operate it until all Do not supply power toTubing and wiring to the out To unmount indoor unitWiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection 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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