Sanyo C1271, CL0971, CL1271, C0971 Tools Specifically for R410A, Tubing Installation Procedures

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11-3. Tools Specifically for R410A

For servicing, use the following tools for R410A

Tool Distinction

Tool Name

 

Gauge manifold

 

Charging hose

 

Gas leak detector

 

Refrigerant cylinder

 

Charging cylinder

 

Refrigerant recovery unit

Tools specifically for R410A

Vacuum pump with anti-reverse flow (*1)

 

(Solenoid valve-installed type, which prevents oil from flowing back into the

 

unit when the power is off, is recommended.)

 

Vacuum pump (*2)...can be used if the following adapter is attached.

 

Vacuum pump adapter (reverse-flow prevention adapter) (*3).

 

(Solenoid valve-installed adapter attached to a conventional vacuum pump.)

 

Electronic scale for charging refrigerant

 

Flare tool

 

 

Tools which can be com-

Bender

Torque wrench

monly used for R22,

Cutter, reamer

R407C, and R410A

Welding tool, nitrogen gas cylinder

 

CAUTION

The above tools specifically for R410A must not be used for R22 and R407C. Doing so will cause malfunction of the unit.

For the above vacuum pump (*1, *2) and vacuum pump adapter (*3), those for R22-type units can be used for R410A-type. However, they must be used exclusively for R410A and never alternately with R22 and R407C.

To prevent other refrigerants (R22, R407C) from being mistakenly charged to this unit, shape and external diameter of the service port screw has been altered.

<External diameter of service port>

R410A : 5/16"



R22, R407C : 1/4"

11-4. Tubing Installation Procedures

When the tubes are connected, always apply HAB oil on the flare portions to improve the sealing of tubing. The following is the HAB oil generally used:

Esso: ZERICE S32

NOTE For details on tubing installation procedures, refer to the installation manuals attached to the indoor unit and outdoor unit.

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Contents DC Inverter Split System AIR Conditioner KS0971 + C0971 + CL0971 KS1271 + C1271 + CL1271Please Read Before Starting Table of Contents Checking Electrical Components Models KS0971 + C0971 KS1271 + C1271 Operating RangeModels KS0971 + CL0971 KS1271 + CL1271 Specifications Unit SpecificationsKS0971 C0971KS1271 C1271CL0971 CL1271 Major Component Specifications Indoor UnitCB-KS1271 Microprocessor 250V 3A Outdoor Unit Outdoor Unit C0971Outdoor Unit C1271 Outdoor Unit CL0971 Outdoor Unit CL1271 Other Component Specifications Dimensional Data Indoor Unit KS0971Outdoor Unit C0971 C1271 CL0971 CL1271Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing After a tube has been insulated To break or crackTemperature Charts Performance DataIndoor Unit KS0971  Outdoor Unit CL0971 Indoor Unit KS1271  Outdoor Unit C1271 Indoor Unit KS1271  Outdoor Unit CL1271 Cooling Capacity Power Supply 115V Single Phase 60Hz Cooling CapacityC0971 / CL0971 C1271 / CL1271 Cooling Capacity Low Ambient 11,900 BTU/h Cooling Vertical distance ft Air Throw Distance ChartsRoom air temp F 26.7C Fan speed High Horizontal distance ft Air Axis Vertical Electrical Data Electrical CharacteristicsC0971 Cooling CL1271 C1271 CoolingIndoor Unit KS0971 KS1271 Electric Wiring Diagrams8FA2-5257-71600-0 Outdoor Unit C0971 C1271 WHT REDOutdoor Unit CL0971 CL1271 Maintenance Address Setting of the Remote Control UnitHow to Disconnect How to ConnectFunctions Operation FunctionsEmergency operation PAM- controlTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsFreeze prevention CT Peak current cut-off controlPrecautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Using the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsReplace the controller Replace the circuit board or the fuseSerial Communication Error Identification Procedure Off Blinking IlluminatedBefore the Operation Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Outdoor Fan MotorNoise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Power Supply Cord Checking Electrical ComponentsMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Refrigerant R410A Special Precautions When Servicing Unit Characteristics of New Refrigerant R410AWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tubing Installation Procedures Tools Specifically for R410AProcedure for Replacing Compressor Case of Compressor MalfunctionNever charge a large amount Unit. This may causeDamage to the compressor ExampleWelding leaking points Case Refrigerant is LeakingRecharging When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsKS0971 + C0971 + CL0971 KS1271 + C1271 + CL1271 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Green and FAN green mode This lamp lights during operation in the Quiet modeUnit Display and Operation Button Quiet lampRemote Control Unit Display Remote Control Unit HR. Timer buttonAdvance button TransmitterSetting to provide a quieter operating sound Set times every day. For details, see Setting the TimerAir conditioner reduces the humidity in the room Air conditioner makes the room coolerHow to Install Batteries Using the Remote Control UnitACL button ALL Clear Using the Remote Control Unit Operation with the Remote Control Unit Press the Mode selector button and select the desired modePress the TEMP. setting buttons to change the temperature Set the FAN Speed selector button to the setting you wantOperation with the Remote Control Unit Press the ON/OFF operation buttonCooling and DRY Mode Night Setback Mode is used for saving energyQuiet Mode Special Remarks Power failure during operationClicking sound is heard from the air conditioner Example To set to 1030 pm Setting the TimerOperation Indication Setting the Timer How to set the on time Example To start operation at 710 amTo cancel a timer program Press the Cancel button 1030 pm 710 am 1100 am Present timeUsing the 1-Hour OFF Timer Setting procedureCancellation procedure Operation together with the Daily ON/OFF Repeat TimerAdjusting the Airflow Direction Setting the airflow manuallyHorizontal Sweep functionCare and Cleaning When the air conditioner is not runningOperation without the Remote Control UnitCare and Cleaning CleaningIntake grille Press in the bottom rightHow to clean the air clean filter Washing the grille with water Air clean filterFilter Negative ion generator metal electrodes inside plastic caseOperating Range TroubleshootingTrouble Possible Cause Remedy Appendix B Installation Instructions Installation Instructions ContentsPlease Read Before Starting Tools Required for Installation not supplied Accessories Supplied with Unit TableGeneral Optional Copper Tubing KitInstallation Site Selection Additional Materials Required for InstallationBaffle Plate for the Outdoor Unit CLxx models only Recommended dimensions of the baffle plates Air Intake Baffle Air Discharge BaffleFor Air Intake For Air DischargeInstallation procedure Air Intake Baffle Precautions for installationRemove the Rear Panel from the Unit How to Install the Indoor UnitMake a Hole If 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 remove the grilleHow to replace the grille Be sure to wear work glovesWiring Instructions General precautions on wiring Shape the Indoor Side TubingRecommended Wire Length and Diameter Disconnect switch may be required by national or local codesWiring Instructions for Inter-unit Connections Loose wiring may cause Fore, be sure all wiring isHow to connect wiring to the terminal For Indoor Unit For Outdoor Unit For solid core wiring or F-cableMounting Right-side tubingLeft-side tubing Switching drain hose and drain capDrain cap Do not supply power to Tubing and wiring to the outTo unmount indoor unit 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 ToolUse of the Flaring Method Connecting Tubing between Indoor and Outdoor Units Finishing the InstallationInsulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of conAir Purging Be sure to completely insert Hex wrench beforeThis may cause the refriger Ant gas to leak. In order toHow to Test Run the Air Conditioner Basic Functions of the Service Valves Pump DownRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control Unit

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