Dimensional Data, Indoor Unit KHS1872 | Sanyo CH1872, CH2472

3. DIMENSIONAL DATA

Indoor Unit KHS1872

KHS2472

Unit: inch(mm)

15

Image 15

Sanyo CH1872, CH2472 service manual Dimensional Data, Indoor Unit KHS1872

Contents

Indoor Model No. Product Code No DC Inverter Split System AIR Conditioner Please Read Before Starting Table of Contents Checking Electrical Components Indoor Air Intake Temp Outdoor Air Intake Temp Operating Range CH1872 SpecificationsUnit Specifications KHS1872 208V CH2472 KHS2472 12.1 13.5 Indoor Unit Major Component Specifications CB-KHS2472 Microprocessor 250V 3A External Finish Outdoor UnitOutdoor Unit CH1872 Compressor Outdoor Unit CH2472 Outdoor air temp sensor Other Component SpecificationsIndoor heat exchanger sensor Compressor temp sensor Indoor Unit KHS1872 Dimensional Data 11-17/32 23-15/16 35-7/16900 After a tube has been insulated To break or crack Refrigerant Flow DiagramRefrigerant Flow Diagram Insulation of Refrigerant Tubing Indoor discharge air performance chart Temperature ChartsLow pressure performance chart Operating current performance chart High pressure performance chart Wide 73F Cooling Capacity Power Supply 230V Single Phase 60Hz Cooling Capacity 24,200 BTU/h Indoor Outdoor Cooling Capacity Low Ambient 24,200 BTU/h Power Supply 230V Single Phase 60Hz Heating Capacity Heating CapacityTH Total Heating Capacity BTU/h 29,000 BTU/h Heating Vertical distance ft Air Throw Distance ChartsCooling Vertical distance ft Room air temp F 26.7C Fan speed High Horizontal distance ft Heating Voltage208V Cooling Electrical CharacteristicsElectrical Data CH1872 Voltage230V Cooling CH2472 Voltage230V Cooling Electric Wiring Diagrams Indoor Unit KHS1872 KHS24728FA2-5257-70500-0 WHT WHT YEL YEL Maintenance Address Setting of the Remote Control UnitButton Operation HR.TIMER button ACL Reset button How to Connect How to Disconnect Auto cooling/heating operation FunctionsOperation Functions Emergency operation Lamp colors Timer backup Freeze prevention Compressor discharge temperature controlProtective Functions Overload prevention during heating Defrost 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 Condition E01 Serial Communication Error Identification ProcedureOff Blinking Illuminated Before the Operation Terminal board Outdoor Unit Condition E12 Indoor Fan Motor Trouble Diagnosis of Fan Motor Outdoor Fan Motor Locations most susceptible to noise Trouble Correction Noise Malfunction and Electromagnetic InterferenceNoise malfunction Electromagnetic interference Measurement of Insulation Resistance for Electrical Parts Power Supply CordChecking Electrical Components Measurement of Insulation Resistance Checking 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 Procedures Case of Compressor Malfunction Procedure for Replacing Compressor Example Never charge a large amountUnit. This may cause Damage to the compressor Case Refrigerant is Leaking Welding leaking pointsRecharging Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing Systems OI-852-6-4180-801-00-2 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Quiet lamp Unit Display and Operation Button Remote Control Unit Display Transmitter Remote Control UnitHR. Timer button Advance button FAN Speed selector button Quiet button Button Time Display Selector button Using the Remote Control UnitTemperature Display Selector How to Install Batteries Using the Remote Control Unit Press the ON/OFF operation button Operation with the Remote Control Unit 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 temperature Adjusting the Fan Speed Night Setback Mode is used for saving energy Cooling and DRY Mode Quiet Mode Special Remarks Setting the Timer Example To set to 1030 pmOperation 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 button Operation together with the Daily ON/OFF Repeat Timer Using the 1-Hour OFF TimerSetting procedure Cancellation procedure Sweep function Adjusting the Airflow DirectionSetting the airflow manually Horizontal Operation without the Remote Control Unit Care and CleaningWhen the air conditioner is not running Intake grille Care and CleaningCleaning Grasp both ends of the air Negative ion generator metal electrodes inside plastic case Follow the steps below when the generator has become dirty Max DB / 71 F WB Min DB / 57 F WB TroubleshootingOperating Range Trouble Possible Cause Remedy Appendix B Installation Instructions Contents Installation Instructions Please Read Before Starting Optional Copper Tubing Kit Tools Required for Installation not suppliedAccessories Supplied with Unit Table General Additional Materials Required for Installation Installation Site Selection Solid base must not cover the hole of the bottom plate Make a Hole How to Install the Indoor UnitTrical wiring or conduits are Remove the Rear Panel from the Unit Install 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 remove the grilleHow to replace the grille Shape the Indoor Side Tubing Wiring Instructions General precautions on wiring AWG Recommended Wire Length and Diameter 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 Right-side tubing Mounting Switching drain hose and drain cap Left-side tubingDrain cap Unit or operate it until all Do not supply power toTubing and wiring to the out To unmount indoor unit How to Install the Outdoor Unit First refer to . Installation Site SelectionWiring 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 Tubing To prevent heat loss and wet floors due to dripping of con Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation Insulation of Refrigerant Tubing Air Purging Be sure to completely insert Hex wrench beforeAttempting to turn the valve How to Test Run the Air Conditioner Pump Down Basic Functions of the Service ValvesWhen opening or clos Ing the service valve Stem, use the accessory Mounting on a Wall Remote Control Unit Installation Position Address Setting of the Remote Control Unit Address Switch