Sanyo CH2472, CH1872 service manual 24,200 BTU/h

Page 24

Indoor Unit

: KHS2472

 

 

 

 

 

 

 

 

 

 

 

Outdoor Unit

: CH2472

 

 

 

 

 

 

 

 

 

 

 

Power Supply : 230V Single Phase 60Hz

 

 

 

 

 

 

 

 

 

< Cooling Capacity >

 

 

 

 

 

 

 

 

 

 

RATING CAPACITY:

24,200 BTU/h

 

AIR FLOW RATE:

600 CFM

 

INDOOR

 

 

 

 

OUTDOOR

 

 

 

 

 

ENT. TEMP. oF (oC)

 

 

AMBIENT TEMP. oF (oC)

 

 

 

W.B.

 

D.B.

 

65

75

85

 

95

105

115

 

 

 

 

 

 

(18.3)

(23.9)

(29.4)

 

(35.0)

(40.6)

(46.1)

 

 

 

 

 

TC

24,430

23,750

23,010

 

22,310

18,420

11,170

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

(22.2)

SHC

17,180

16,720

16,370

 

16,020

13,920

10,540

 

59

 

76 (24.4)

SHC

19,050

18,700

18,230

 

17,880

15,900

11,170

 

(15.0)

 

80

(26.7)

SHC

21,030

20,680

20,330

 

19,860

17,880

11,170

 

 

 

84

(28.9)

SHC

23,010

22,660

22,200

 

21,850

18,420

11,170

 

 

 

88

(31.1)

SHC

24,430

23,750

23,010

 

22,310

18,420

11,170

 

 

 

 

 

TC

25,360

24,690

23,940

 

23,260

18,810

11,390

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

(22.2)

SHC

14,730

14,380

13,920

 

13,690

11,590

8,320

 

63

 

76 (24.4)

SHC

16,600

16,250

15,900

 

15,550

13,450

10,300

 

(17.2)

 

80

(26.7)

SHC

18,580

18,230

17,880

 

17,530

15,430

11,390

 

 

 

84

(28.9)

SHC

20,560

20,210

19,860

 

19,510

17,420

11,390

 

 

 

88

(31.1)

SHC

22,430

22,080

21,730

 

21,380

18,810

11,390

 

 

 

 

 

TC

26,250

25,590

24,850

 

#

24,200

19,150

11,590

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

(22.2)

SHC

12,170

11,820

11,590

 

11,240

9,020

6,110

 

67

 

76

(24.4)

SHC

14,150

13,800

13,450

 

13,220

11,000

8,090

 

(19.4)

 

80

(26.7)

SHC

16,130

15,780

15,430

 

15,200

12,990

10,070

 

 

 

84

(28.9)

SHC

18,000

17,770

17,420

 

17,070

14,970

11,590

 

 

 

88

(31.1)

SHC

19,980

19,630

19,280

 

19,050

16,830

11,590

 

 

 

 

 

TC

27,080

26,430

25,700

 

25,100

19,420

11,740

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

(22.2)

SHC

9,490

9,260

8,910

 

8,670

6,460

3,780

 

71

 

76

(24.4)

SHC

11,470

11,120

10,890

 

10,650

8,440

5,760

 

(21.7)

 

80

(26.7)

SHC

13,450

13,220

12,870

 

12,640

10,420

7,740

 

 

 

84

(28.9)

SHC

15,320

15,080

14,730

 

14,500

12,290

9,720

 

 

 

88

(31.1)

SHC

17,300

17,070

16,720

 

16,480

14,270

11,590

 

 

 

 

 

TC

27,740

27,120

26,410

 

25,850

19,570

11,830

 

75

 

 

 

 

 

 

 

 

 

 

 

 

 

76

(24.4)

SHC

8,790

8,560

8,320

 

8,090

5,870

3,540

 

(23.9)

 

80

(26.7)

SHC

10,770

10,540

10,300

 

10,070

7,970

5,520

 

 

 

84

(28.9)

SHC

12,750

12,520

12,290

 

12,050

9,840

7,390

 

 

 

88

(31.1)

SHC

14,620

14,380

14,150

 

13,920

11,820

9,370

 

 

 

 

 

TC : Total

Cooling

Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h)

NOTE

1.Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B.

:Outdoor Ambient Temp. 95 °F (35 °C) D.B.

2.Above data does not take Freeze Prevention Protection during cooling operation into account. For this reason, the value may vary from the actual cooling characteristics.

3.Above data represents the value when the operation frequency of a compressor is fixed.

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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 TempSpecifications Unit SpecificationsKHS1872 CH1872208V KHS2472 CH247212.1 13.5 Major Component Specifications Indoor UnitCB-KHS2472 Microprocessor 250V 3A Outdoor Unit Outdoor Unit CH1872Compressor External FinishOutdoor Unit CH2472 Other Component Specifications Indoor heat exchanger sensorCompressor temp sensor Outdoor air temp sensorDimensional Data Indoor Unit KHS187211-17/32 23-15/16 35-7/16900 Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing After a tube has been insulated To break or crackTemperature Charts Low pressure performance chartOperating current performance chart Indoor discharge air performance chartHigh pressure performance chart Wide 73F Power Supply 230V Single Phase 60Hz Cooling Capacity Cooling Capacity24,200 BTU/h Cooling Capacity Low Ambient Indoor Outdoor24,200 BTU/h Power Supply 230V Single Phase 60Hz Heating Capacity Heating CapacityTH Total Heating Capacity BTU/h 29,000 BTU/h Air Throw Distance Charts Cooling Vertical distance ftRoom air temp F 26.7C Fan speed High Horizontal distance ft Heating Vertical distance ftHeating Electrical Characteristics Electrical DataCH1872 Voltage230V Cooling Voltage208V CoolingCH2472 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 Disconnect How to ConnectFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsOverload prevention during heating 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 Serial Communication Error Identification Procedure Off Blinking IlluminatedBefore the Operation Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorOutdoor Fan Motor Noise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Locations most susceptible to noise Trouble CorrectionPower 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 ExampleCase Refrigerant is Leaking Welding leaking pointsRecharging When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsOI-852-6-4180-801-00-2 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Unit Display and Operation Button Quiet lampRemote Control Unit Display Remote Control Unit HR. Timer buttonAdvance button TransmitterQuiet button FAN Speed selector buttonUsing the Remote Control Unit Temperature Display SelectorHow to Install Batteries Button Time Display Selector buttonUsing the Remote Control Unit Operation with the Remote Control Unit Press the ON/OFF operation buttonOperation 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 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 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 functionOperation without the Remote Control Unit Care and CleaningWhen the air conditioner is not running Care and Cleaning CleaningGrasp both ends of the air Intake grilleFollow the steps below when the generator has become dirty Negative ion generator metal electrodes inside plastic caseTroubleshooting Operating RangeTrouble Possible Cause Remedy Max DB / 71 F WB Min DB / 57 F WBAppendix 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 InstallationSolid base must not cover the hole of the bottom plate How to Install the Indoor Unit Trical wiring or conduits areRemove the Rear Panel from the Unit 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 remove the grilleHow to replace the grille Wiring Instructions General precautions on wiring Shape the Indoor Side TubingRecommended Wire Length and Diameter AWGWiring 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 Do not supply power to Tubing and wiring to the outTo unmount indoor unit Unit or operate it until allHow to Install the Outdoor Unit First refer to . Installation Site SelectionWiring Instructions for the Outdoor Unit Flaring Procedure with a Flare Tool To 0.5 mm Adjust so that the amount of tubeRefrigerant Tubing Use of the Flaring MethodConnecting 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 beforeAttempting to turn the valve How to Test Run the Air Conditioner Basic Functions of the Service Valves When opening or clos Ing the service valveStem, use the accessory Pump DownRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control Unit
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