Sanyo CH0971 service manual KHS1271, CH1271

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Indoor Unit

KHS1271

Outdoor Unit

CH1271

Voltage Rating

115V Single-Phase 60Hz

Performance

Cooling

Heating

Total Capacity

BTU/h

11,900

( 3,000 to 11,900 )

14,300

( 3,000 to 14,300 )

Air Circulation (High)

ft3/min (m3/h)

3.5

294 (500)

4.2

312 (530)

kW

( 0.9 to 3.5 )

( 0.9 to 4.2 )

Sensible Capacity

BTU/h

9,100

-

Latent Capacity

BTU/h

2,800

-

Moisture Removal (High)

Pints/h

4.26

-

Available Voltage Range

V

104 to 126

Rating

Running Amperes

A

10.9

( 2.5 to 10.9 )

11.7

( 2.5 to 11.7 )

Power Input

W

1,090

( 250 to 1,090 )

1,165

( 250 to 1,165 )

Power Factor

%

87

87

Electrical

EER

BTU/h/W

10.9

-

HSPF

BTU/Wh

-

9.3

COP

W/W

-

3.61

SEER

BTU/Wh

17

-

Compressor Locked Rotor Amperes

A

20

Fuse or Circuit Breaker Capacity

A

20

Controls / Temperature Control

Microprocessor / I.C. Thermister

Control Unit

Wireless Remote Control Unit

Timer

24-Hour ON or OFF Timer, 1-Hour OFF Timer

Fan Speeds

Indoor / Outdoor

Auto and 3 steps / Auto (Hi, Me, Lo)

Airflow Direction (Indoor)

Horizontal

Manual

Vertical

Auto

Features

Air Filter

Washable, Anti-Mold

Compressor

DC Rotary (Inverter)

Refrigerant / Amount charged at shipment

Ibs (g)

R410A / 2.43 (1,100)

Refrigerant Control

Electric Expansion Valve

Operation Sound

Indoor : Hi/Me/Lo/Qt*

dB-A

36 / 33 / 29 / 25

34 / 31 / 29 / 25

(*Qt = Quiet mode)

Outdoor : Hi

dB-A

47

49

Refrigerant Tubing Connections

Flare Type

Max. allowable tubing length at shipment

ft (m)

25 (7.5)

Refrigerant

Narrow tube

inch (mm)

1/4 (6.35)

Tube Diameter

Wide tube

inch (mm)

3/8 (9.52)

Refrigerant Tube Kit / Accessories

Optional / Air Clean Filter

Weight

Indoor Unit

Outdoor Unit

Unit Dimensions

inch

11-7/32 ⋅ 32-15/32 ⋅ 7-7/16

21-9/16 ⋅ 28-11/32 ⋅ 10-7/16

&

Height ⋅ Width ⋅ Depth

(mm)

(285 ⋅ 825 ⋅ 189)

(548 ⋅ 720 ⋅ 265)

Package Dimensions

inch

10-1/32 ⋅ 35-7/16 ⋅ 13-25/32

23-5/8 ⋅ 33-11/16 ⋅ 14-1/4

Dimensions

Depth

Shipping Volume

cu.ft (m3)

2.82 (0.08)

6.35 (0.18)

Height

⋅ Width ⋅

(mm)

(255 ⋅ 900 ⋅ 350)

(600 ⋅ 856 ⋅ 362)

Weight

Net

Ibs (kg)

19.8 (9.0)

77.2 (35.0)

Shipping

Ibs (kg)

24.3 (11.0)

83.8 (38.0)

		DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Remarks: Rating conditions are:
Cooling: Indoor air temperature	80°F D.B. / 67°F W.B.	Heating: Indoor air temperature	70°F D.B.
Outdoor air temperature	95°F D.B. / 75°F W.B.	Outdoor air temperature	47°F D.B. / 43°F W.B.

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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 Heating Capacity Power Supply 115V Single Phase 60Hz 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 Data Electrical CharacteristicsCH0971 Cooling Indoor Unit KHS0971 KHS1271 Electric Wiring Diagrams8FA2-5257-71600-0 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 heatingCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair TroubleshootingMethod 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 compressorWelding leaking points Case Refrigerant is LeakingRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing SystemsOI-852-6-4180-802-00-2 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Outdoor Unit Names of PartsQuiet lamp Unit Display and Operation ButtonRemote Control Unit Display Hour OFF Timer Remote Control UnitOn Time Cool AutoHeat DRYButton Time Display Selector button Using the Remote Control UnitTemperature Display Selector How to Install BatteriesUsing the Remote Control Unit Step Operation with the Remote Control UnitPress 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 Example To set to 1030 pm Setting the TimerOperation 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 DirectionCare and Cleaning Operation without the Remote Control UnitWhen 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 GeneralAdditional Materials Required for Installation Installation Site SelectionAvoid 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 Wooden Wall Install the Rear Panel on the 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 For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Right-side tubing MountingLeft-side tubing Switching drain hose and drain capDrain cap Unit or operate it until all Do not supply power toTubing and wiring to the out To unmount indoor unitFirst refer to . Installation Site Selection How to Install the Outdoor UnitWiring 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