Appendix B Installation Instructions | Sanyo CH2472, CH1872 instruction

APPENDIX B INSTALLATION INSTRUCTIONS

KHS1872 + CH1872 KHS2472 + CH2472

(II-852-6-4189-989-00-3)

A-2

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Sanyo CH2472, CH1872 service manual Appendix B Installation Instructions

Contents

DC Inverter Split System AIR Conditioner Indoor Model No. Product Code No Please Read Before Starting Table of Contents Checking Electrical Components Operating Range Indoor Air Intake Temp Outdoor Air Intake Temp KHS1872 SpecificationsUnit Specifications CH1872 208V KHS2472 CH2472 12.1 13.5 Major Component Specifications Indoor Unit CB-KHS2472 Microprocessor 250V 3A Compressor Outdoor UnitOutdoor Unit CH1872 External Finish Outdoor Unit CH2472 Compressor temp sensor Other Component SpecificationsIndoor heat exchanger sensor Outdoor air temp sensor Dimensional Data Indoor Unit KHS1872 11-17/32 23-15/16 35-7/16900 Insulation of Refrigerant Tubing Refrigerant Flow DiagramRefrigerant Flow Diagram After a tube has been insulated To break or crack Operating current performance chart Temperature ChartsLow pressure performance chart Indoor discharge air performance chart High pressure performance chart Wide 73F Power Supply 230V Single Phase 60Hz Cooling Capacity Cooling Capacity 24,200 BTU/h Cooling Capacity Low Ambient Indoor Outdoor 24,200 BTU/h TH Total Heating Capacity BTU/h Power Supply 230V Single Phase 60Hz Heating CapacityHeating Capacity 29,000 BTU/h Room air temp F 26.7C Fan speed High Horizontal distance ft Air Throw Distance ChartsCooling Vertical distance ft Heating Vertical distance ft Heating CH1872 Voltage230V Cooling Electrical CharacteristicsElectrical Data Voltage208V Cooling CH2472 Voltage230V Cooling 8FA2-5257-70500-0 Electric Wiring DiagramsIndoor Unit KHS1872 KHS2472 WHT WHT YEL YEL Button Operation HR.TIMER button ACL Reset button MaintenanceAddress Setting of the Remote Control Unit How to Disconnect How to Connect Emergency operation FunctionsOperation Functions Auto cooling/heating operation Timer backup Lamp colors Overload prevention during heating Compressor discharge temperature controlProtective Functions Freeze prevention Reverse-Cycle Defrosting Defrost detection and releaseCT Peak current cut-off control Method of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair Self-diagnostics Lamps Replace the circuit board or the fuse NormalReplace the controller Checking the indoor unit Control Check items unit operation Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Before the Operation Serial Communication Error Identification ProcedureOff Blinking Illuminated Condition E01 Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan Motor Outdoor Fan Motor Electromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble Correction Measurement of Insulation Resistance Power Supply CordChecking Electrical Components Measurement of Insulation Resistance for Electrical Parts Checking Continuity of Fuse on PCB Assy What is New Refrigerant R410A? Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A Characteristics Checklist before Servicing Tubing Installation Procedures Tools Specifically for R410A Procedure for Replacing Compressor Case of Compressor Malfunction Damage to the compressor Never charge a large amountUnit. This may cause Example Recharging Case Refrigerant is LeakingWelding leaking points Retro-Fitting Existing Systems When Tubes are ExtendedCharging Additional Refrigerant Use of Existing Units OI-852-6-4180-801-00-2 Features Product Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Names of Parts Unit Display and Operation Button Quiet lamp Remote Control Unit Display Advance button Remote Control UnitHR. Timer button Transmitter Quiet button FAN Speed selector button How to Install Batteries Using the Remote Control UnitTemperature Display Selector Button Time Display Selector button Using the Remote Control Unit Operation with the Remote Control Unit Press 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 want Adjusting the Fan Speed Cooling and DRY Mode Night Setback Mode is used for saving energy Quiet Mode Special Remarks Operation Indication Setting the TimerExample To set to 1030 pm 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 time Cancellation procedure Using the 1-Hour OFF TimerSetting procedure Operation together with the Daily ON/OFF Repeat Timer Horizontal Adjusting the Airflow DirectionSetting the airflow manually Sweep function When the air conditioner is not running Operation without the Remote Control UnitCare and Cleaning Grasp both ends of the air Care and CleaningCleaning Intake grille Follow the steps below when the generator has become dirty Negative ion generator metal electrodes inside plastic case Trouble Possible Cause Remedy TroubleshootingOperating Range Max DB / 71 F WB Min DB / 57 F WB Appendix B Installation Instructions Installation Instructions Contents Please Read Before Starting General Tools Required for Installation not suppliedAccessories Supplied with Unit Table Optional Copper Tubing Kit Installation Site Selection Additional Materials Required for Installation Solid base must not cover the hole of the bottom plate Remove the Rear Panel from the Unit How to Install the Indoor UnitTrical wiring or conduits are Make a Hole If Block, Brick, Concrete or Similar Type Wall Install the Rear Panel on the WallIf Wooden Wall How to replace the grille Remove the Grille to Install the Indoor UnitHow to remove the grille Wiring Instructions General precautions on wiring Shape the Indoor Side Tubing Recommended Wire Length and Diameter AWG Wiring Instructions for Inter-unit Connections For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit For solid core wiring or F-cable Mounting Right-side tubing Drain cap Switching drain hose and drain capLeft-side tubing To unmount indoor unit Do not supply power toTubing and wiring to the out Unit or operate it until all Wiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection Refrigerant Tubing Flaring Procedure with a Flare ToolTo 0.5 mm Adjust so that the amount of tube Use of the Flaring Method Insulation of Refrigerant Tubing Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation To prevent heat loss and wet floors due to dripping of con Air Purging Attempting to turn the valve Be sure to completely insertHex wrench before How to Test Run the Air Conditioner Stem, use the accessory Basic Functions of the Service ValvesWhen opening or clos Ing the service valve Pump Down Remote Control Unit Installation Position Mounting on a Wall Address Switch Address Setting of the Remote Control Unit