Sanyo service manual Outdoor Unit CH0971 CH1271, Wht Red

Page 30

Outdoor Unit CH0971 CH1271

To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing

and/or cleaning any electrical parts.

REACTANCE

 

 

 

ORG

)

 

 

 

BLK(

1P-CONNECTOR (WHT)

 

YEL

 

CONNECTOR-2P

WHT WHT

WHT

WHT

ORG

1

1

 

1

2

 

1P-CONNECTOR (WHT)

 

1

2

 

1

1

 

YEL

 

 

 

 

 

 

 

W

W

W

W

C-HEATER2 C-HEATER1

L2

L1

CRANKCASE

 

HEATER

 

W U

CONTROLLER

W V

 

GRN/YEL

W25A ACIN1

E

ACIN2

SI

FERRITE

CORE

WBLK

W WHT W RED

BLK

POWER RELAY

6

5

BLK

BLK

1

4

TERMINAL

PLATE

1

 

UNIT

2

 

 

INDOOR

3

GND

4

 

5

 

TO

 

 

(WHT)

(PNK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR

RED

WHT

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 2 3

 

 

WW

OUTDOOR

COIL/COMP

 

 

DCFM

 

 

1

2

3

4

5

6

7

1

2

1

2

3

4

1

2

1

2

3

4

 

 

 

 

 

 

 

 

 

MV

 

 

 

RV

1

2

3

4

5

6

 

1

3

1

2

3

4

5

6

 

1

3

WHT

WHT

6

 

GND

N L

POWER

 

SUPPLY

-

1

2

3

 

3P

 

CORE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FERRITE

 

 

 

 

 

 

 

RED

WHT

BLU

 

(PNK)

 

 

 

 

 

R/V

 

 

 

 

S/U CM C/W

COMPRESSOR

MOTOR

 

 

 

 

 

 

WHT

 

 

RED

 

 

THERMISTOR BLK

THERMISTOR

YEL BLK COMPRESSOR

 

 

 

 

BLK

YELBLU

 

WHT

 

 

RED

 

CONNECTOR-7P (WHT)

DOOROUT BLK

COIL

YEL

BLK THERMISTOR

1

2

3

BLK

BLU

 

 

 

 

 

 

4

5

6

7

 

 

 

 

 

 

1

2

3

4

5

6

7

 

 

 

 

 

 

 

 

 

 

 

 

YEL

OVERLOAD RELAY

 

 

 

GRN/YEL

FM

 

 

 

 

 

 

 

 

 

 

 

 

 

(OLR)

 

 

 

 

 

 

 

FAN MOTOR

ORG RED GRY WHT

 

BLK

 

BLK BLK

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

1

2

3

4

5

6

 

 

RV

 

 

 

 

 

MV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4WAY VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAGNETIC COIL

 

COIL

 

 

HIGH PRESSURE

SWITCH

1

1

BLK

2

2

BLK

2P-CONNECTOR (WHT)

WHT

1

1

WHT

WHT

2

2

WHT

 

2P-CONNECTOR (BLK)

 

8FA2-5257-69100-3

30

Image 30
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 Power Supply 115V Single Phase 60Hz Heating Capacity 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 Characteristics Electrical DataCH0971 Cooling Electric Wiring Diagrams Indoor Unit KHS0971 KHS12718FA2-5257-71600-0 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 heatingDefrost detection and release CT Peak current cut-off controlReverse-Cycle Defrosting Troubleshooting Precautions before Performing Inspection or RepairMethod 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 ExampleCase Refrigerant is Leaking Welding leaking pointsRecharging Retro-Fitting Existing Systems When Tubes are ExtendedCharging Additional Refrigerant Use of Existing UnitsOI-852-6-4180-802-00-2 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Outdoor UnitUnit Display and Operation Button Quiet lampRemote Control Unit Display Remote Control Unit Hour OFF TimerOn Time DRY AutoHeat CoolHow to Install Batteries Using the Remote Control UnitTemperature Display Selector Button Time Display Selector buttonUsing the Remote Control Unit Operation with the Remote Control Unit StepPress 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 Setting the Timer Example To set to 1030 pmOperation 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 HeatOperation without the Remote Control Unit Care and CleaningWhen 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 KitInstallation Site Selection Additional Materials Required for InstallationAvoid 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 HoleInstall the Rear Panel on the Wall If Wooden 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 How to connect wiring to the terminal For Indoor Unit For Outdoor Unit For solid core wiring or F-cableFor stranded wiring Mounting Right-side tubingSwitching drain hose and drain cap Left-side tubingDrain cap To unmount indoor unit Do not supply power toTubing and wiring to the out Unit or operate it until allHow to Install the Outdoor Unit First refer to . Installation Site SelectionWiring 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