Sanyo CH2472, CH1872 service manual Wht Wht

Page 34

Outdoor Unit CH1872

To avoid electrical shock hazard, be sure to WARNING disconnect power before checking, servicing

and/or cleaning any electrical parts.

REACTANCE

CONNECTOR-2P

WHT WHT

WHT WHT

)

1

2

WHT (

 

1

2

BRN

WHT

BLK

BLU

RED

GRN/YEL

GRN/YEL

BLK

POWER RELAY

6

1

5

4

 

BLK

CONNECTOR (WHT) RED (PNK) WHT BLU

W

W

L1 L2

WU

WV

WW

COMP

 

A-TH

 

1

2

 

1

2

3

4

W

W

W

W

W

W

W

W

HIC+ HIC+ BD- BD- HIC- HIC- AC2 AC2

CONTROLLER

COIL/OUTDOOR

 

 

DCFM

 

 

1

2

3

4

5

6

7

1

2

3

4

 

 

 

 

 

 

 

W

W

A1 A2

25A

MV0

1 2 3 4 5

W

E1

 

W

 

 

E

 

ACIN1

W

BLK

ACIN2

W

WHT

SI-A W RED

RV0 RV1

W

W

FERRITE

CORE

BLK

WHT

1

2

3

4

5

6

TERMINAL

PLATE

GND UNITINDOOR TO

1

2

3

1

2

1

2

3

4

1

2

3

4

1 2 3 4 5

WHT

GND

N L

POWER

 

-

1

2

3

3P

CORE

 

 

 

FERRITE

 

 

 

RED

 

BLU

(PNK)

WHT

 

 

S

 

R

 

CM T

COMPRESSOR

MOTOR

 

BLK

DOOROUT

THERMISTOR

BLK

COMPRESSOR

 

BLK BLK THERMISTOR

OVERLOAD RELAY

(OLR)

 

WHT

 

 

RED

 

 

YEL YEL THERMISTOR

CONNECTOR(WHT) WHT

 

 

BLK

BLU YEL

2

3

RED

6

7

COIL

1

4

5

1

2

3

4

5

6

7

 

7P-

 

 

BLK

BLU YEL

 

 

 

 

 

 

 

 

GRN/YEL

FM

 

 

 

 

 

FAN MOTOR

ORG

 

 

 

WHT

 

 

BLK BLK

(WHT)

 

RED GRY

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED RED

CONNECTOR-2P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

1

2

3

4

5

 

 

1

2

3

4

5

 

1

2

 

 

 

 

 

MVO

MAGNETIC COIL

RV

 

 

4WAY VALVE

 

COIL

SUPPLY

HIGH PRESSURE

SWITCH

1

1

BLK

2

2

BLK

2P-CONNECTOR (BLK)

WHT

1

1

WHT

WHT

2

2

WHT

 

2P-CONNECTOR (RED)

 

8FA2-5257-64000-2

34

Image 34
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 TempKHS1872 SpecificationsUnit Specifications CH1872208V KHS2472 CH247212.1 13.5 Major Component Specifications Indoor UnitCB-KHS2472 Microprocessor 250V 3A Compressor Outdoor UnitOutdoor Unit CH1872 External FinishOutdoor Unit CH2472 Compressor temp sensor Other Component SpecificationsIndoor heat exchanger sensor Outdoor air temp sensorDimensional Data Indoor Unit KHS187211-17/32 23-15/16 35-7/16900 Insulation of Refrigerant Tubing Refrigerant Flow DiagramRefrigerant Flow Diagram After a tube has been insulated To break or crackOperating current performance chart Temperature ChartsLow pressure 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 Heating Capacity Power Supply 230V Single Phase 60Hz Heating CapacityTH Total Heating Capacity BTU/h 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 ftHeating CH1872 Voltage230V Cooling Electrical CharacteristicsElectrical Data Voltage208V CoolingCH2472 Voltage230V Cooling Indoor Unit KHS1872 KHS2472 Electric Wiring Diagrams8FA2-5257-70500-0 WHT WHT YEL YEL Address Setting of the Remote Control Unit MaintenanceButton Operation HR.TIMER button ACL Reset button How to Disconnect How to ConnectEmergency operation FunctionsOperation Functions Auto cooling/heating operationTimer backup Lamp colorsOverload prevention during heating Compressor discharge temperature controlProtective Functions Freeze preventionCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Replace the controller NormalReplace the circuit board or the fuse Checking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsChecking the indoor unit Control Check items unit operation Before the Operation Serial Communication Error Identification ProcedureOff Blinking Illuminated Condition E01Terminal board Outdoor Unit Condition E12 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 ExampleWelding leaking points Case Refrigerant is LeakingRecharging Retro-Fitting Existing Systems When Tubes are ExtendedCharging Additional Refrigerant Use of Existing UnitsOI-852-6-4180-801-00-2 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Unit Display and Operation Button Quiet lampRemote Control Unit Display Advance button Remote Control UnitHR. Timer button TransmitterQuiet button FAN Speed selector buttonHow to Install Batteries Using the Remote Control UnitTemperature Display Selector Button Time Display Selector buttonUsing the Remote Control Unit Operation with the Remote Control Unit Press the ON/OFF operation buttonPress 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 wantAdjusting the Fan Speed Cooling and DRY Mode Night Setback Mode is used for saving energyQuiet Mode Special Remarks Example To set to 1030 pm Setting the TimerOperation Indication 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 timeCancellation procedure Using the 1-Hour OFF TimerSetting procedure Operation together with the Daily ON/OFF Repeat TimerHorizontal Adjusting the Airflow DirectionSetting the airflow manually Sweep functionCare and Cleaning Operation without the Remote Control UnitWhen the air conditioner is not running Grasp both ends of the air Care and CleaningCleaning Intake grilleFollow the steps below when the generator has become dirty Negative ion generator metal electrodes inside plastic caseTrouble Possible Cause Remedy TroubleshootingOperating Range Max DB / 71 F WB Min DB / 57 F WBAppendix 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 Remove the Rear Panel from the Unit How to Install the Indoor UnitTrical wiring or conduits are Make a HoleIf Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall How to remove the grille Remove the Grille to Install the Indoor UnitHow 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 For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Mounting Right-side tubingLeft-side tubing Switching drain hose and drain capDrain cap To unmount indoor unit Do not supply power toTubing and wiring to the out 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 ToolTo 0.5 mm Adjust so that the amount of tube Use of the Flaring MethodInsulation of Refrigerant Tubing Connecting Tubing between Indoor and Outdoor UnitsFinishing the Installation To prevent heat loss and wet floors due to dripping of conAir Purging Hex wrench before Be sure to completely insertAttempting to turn the valve 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 DownRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control Unit