Sanyo Understanding the Refrigerant Flow Diagram for Optimal Air Conditioner Performance

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4. REFRIGERANT FLOW DIAGRAM

4-1. Refrigerant Flow Diagram

Indoor Unit KHS3082	Outdoor Unit CH3082
KHS3682	CH3682

Indoor unit

Outdoor unit

		Sub	Main	Compressor
	Wide tube	Accumulator	Accumulator	Compressor
Wide tube	service
Wide tube	valve
		High pressure
O.D	Muffler		switch
O.D			H.P.
5/8"			H.P.
(15.88 mm)
		4-way
		valve
Heat exchanger				Heat exchanger
	Narrow	Electric
	Narrow	expansion
	tube	expansion
	tube	valve
	service	valve
Narrow tube	service		M
Narrow tube	valve		M
O.D.	Strainer
3/8"
(9.52 mm)

Cooling cycle (Defrosting cycle)

Heating cycle

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Contents Indoor Model No. Product Code No Destination North AmericaSafety Precautions Prohibit Table of Contents Checking Electrical Components Operating Range Indoor Air Intake Temp Outdoor Air Intake TempKHS3082 SpecificationsUnit Specifications CH3082208V KHS3682 CH368221.9 19.9 Major Component Specifications Indoor UnitCB-KHS3682 Microprocessor 250V 3A Board Outdoor UnitOutdoor Unit CH3082 CompressorOutdoor Unit CH3682 Other Component Specifications Dimensional Data Indoor Unit KHS3082Inchmm Refrigerant Flow Diagram Refrigerant Flow DiagramOperating current performance chart Temperature ChartsLow pressure performance chart Indoor discharge air performance chartHigh pressure performance chart Wide Outdoor inlet air D.B. temp. FC Cooling Capacity Indoor OutdoorCooling Capacity Indoor34,000 BTU/h Power Supply 230V Single Phase 60Hz Cooling Capacity IndoorPower Supply 230V Single Phase 60Hz Heating Capacity Heating CapacityTH Total Heating Capacity BTU/h 36,000 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 CH3082 Voltage230V Cooling Electrical CharacteristicsElectrical Data Voltage208V CoolingCH3682 Voltage230V Cooling Electric Wiring Diagrams KHS3082 KHS36828FA2-5250-70400-3 HIC Emergency operation FunctionsOperation Functions Auto cooling/heating operationTimer backup Lamp colorsSwitching Procedure to Noise Reducing Control Noise Reducing Control Outdoor UnitOperation Sound Description of function Maximum Current Value Change ProcedureMaximum Current Value Change Function CH3682Overload prevention during heating Compressor discharge temperature controlProtective Functions Freeze preventionDefrost detection and release CT Peak current cut-off controlReverse-Cycle Defrosting Troubleshooting Precautions before Performing Inspection or RepairMethod of Self-Diagnostics Self-diagnostics Lamps Normal Replace the controllerReplace the circuit board or the fuse Using the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsChecking the indoor unit Control Check items unit operation Off Blinking Illuminated Serial Communication Error Identification ProcedureAlarm Code E05 Before the OperationTerminal board Outdoor Unit Alarm Code E07/P04/P05/P20/P27 Trouble Diagnosis of Fan Motor Indoor Fan MotorOutdoor Fan Motor Electromagnetic 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-852-6-4181-149-00-0 Mode D’EMPLOI Pub. OI-85264181149000 SanyoFeatures ContentsSafety Instructions Alert SymbolsInstallation Location Product InformationNames of Parts Unit Display and Operation ButtonRemote Control Unit Display SymbolsRemote Control Unit Mode selector button HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp High Power buttonACL button Using the Remote Control UnitAir conditioner Indoor unit Receiver Remote control unit 16 mmOperation with the Remote Control Unit Automatic OperationAutomatic fan speed Cooling and DRY ModeHeating Mode Manual fan speedHigh Power Mode Unoccupied Indication StatusSpecial Remarks Setting the Timer Operation IndicationDo not Using the 1-HOUR OFF TimerTips for Energy Saving 1030 pm 710 am 1100 am Present timeCare and Cleaning Adjusting the Airflow DirectionOperation Without the Remote Control Unit When the air conditioner is not runningHow to clean the air clean filter Air Clean FilterHow to install the air clean filter Cleaning the main unit and remote control unitOperating Range TroubleshootingWired Remote Controller Washing the front panel with waterAppendix 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 InstallationSolid base must not cover the hole of the bottom plate Precautions for Installation in a Snowy Area Countermeasures against snow and windUnit inch Installation with intakes facing outlets Required space around the outdoor unitFront and both sides must remain open Unit Top is open Single-unit installation Multiple-unit installation 2 or more unitsObstacle to the front of unit Installation in front-rear rows Obstacles to the front and rear of unitRemove the Rear Panel from the Unit How to Install the Indoor UnitTrical wiring or conduits are Make a HoleIf Block, Brick, Concrete or Similar Type Wall Install the Rear Panel on the WallIf Wooden Wall Hole DiaRemoving and Installing the Grille How to remove the grilleHow to replace the grille Wiring Instructions General precautions on wiring Shape the Indoor Side TubingWire Size and Length Wiring 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 Frame Fastening MethodWiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection Routing the Tubing and WiringUse of the Flaring Method Flaring Procedure with a Flare ToolRefrigerant Tubing If the special R410A flare tool is usedInsulation of Refrigerant Tubing Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation Taping the TubesAir Purging Be sure to completely insert Hex wrench beforeAttempting to turn the valve How to Test Run the Air Conditioner Basic Functions of the Service Valves Pump DownService Valve Connections Remote Control Unit Installation PositionAddress Switch Address Setting of the Remote Control Unit