Sanyo CH2472, CH1872 service manual KHS2472

Page 8

Indoor Unit

KHS2472

 

 

 

 

 

 

 

 

Outdoor Unit

CH2472

 

 

 

 

 

 

 

 

 

< 230V >

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage Rating

 

 

 

 

 

 

230V Single-Phase 60Hz

Performance

 

 

 

 

 

 

 

 

Cooling

 

 

Heating

Total Capacity

 

 

 

 

BTU/h

24,200

( 4,000 to 24,200 )

 

29,000

( 4,400 to 29,000 )

Air Circulation (High)

 

 

ft3/min (m3/h)

7.1

600 (1,020)

 

8.5

653 (1,110)

 

 

 

 

 

 

 

 

kW

( 1.2 to 7.1 )

 

( 1.3 to 8.5 )

 

 

Sensible Capacity

 

 

 

 

BTU/h

 

14,800

 

 

-

 

 

Latent Capacity

 

 

 

 

BTU/h

 

9,400

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Moisture Removal (High)

 

 

Pints/h

 

4.89

 

 

-

 

 

Available Voltage Range

 

 

V

 

187 to 253

 

Rating

Running Amperes

 

 

 

 

A

10.8

( 1.3 to 10.8 )

 

12.0

( 1.3 to 12.0 )

Power Input

 

 

 

 

W

2,355

( 280 to 2,355 )

 

2,490

( 290 to 2,490 )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Factor

 

 

 

 

%

 

95

 

 

90

Electrical

EER

 

 

 

 

 

BTU/h/W

 

10.3

 

 

-

HSPF

 

 

 

 

 

BTU/Wh

 

-

 

 

8.5

 

 

COP

 

 

 

 

 

W/W

 

-

 

 

3.41

 

 

SEER

 

 

 

 

 

BTU/Wh

 

17

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor Locked Rotor Amperes

 

 

A

 

17.5

 

 

 

Fuse or Circuit Breaker Capacity

 

 

A

 

20

 

 

 

 

Controls / Temperature Control

 

 

 

 

Microprocessor / I.C. Thermister

 

 

Control Unit

 

 

 

 

 

 

 

Wireless Remote Control Unit

 

 

Timer

 

 

 

 

 

 

 

24-Hour ON or OFF Timer, 1-Hour OFF Timer

 

 

Fan Speeds

 

Indoor / Outdoor

 

Auto and 3 steps / Auto (Hi, Me, Lo)

 

 

Airflow Direction (Indoor)

 

 

Horizontal

 

Manual

 

 

 

 

 

 

 

 

 

Vertical

 

Auto

 

Features

Air Filter

 

 

 

 

 

 

 

Washable, Anti-Mold

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

 

 

 

 

 

 

DC Twin Rotary (Inverter)

 

 

Refrigerant / Amount charged at shipment

 

 

Ibs (g)

 

R410A / 4.30 (1,950)

 

 

Refrigerant Control

 

 

 

 

 

 

Electric Expansion Valve

 

 

Operation Sound

 

Indoor : Hi/Me/Lo/Qt*

dB-A

47 / 44 / 41 / 30

 

46 / 43 / 40 / 30

 

 

(*Qt = Quiet mode)

 

Outdoor : Hi

 

 

dB-A

 

55

 

 

56

 

 

Refrigerant Tubing Connections

 

 

 

 

Flare Type

 

 

 

Max. allowable tubing length at shipment

 

 

ft (m)

 

33 (10)

 

 

 

Refrigerant

 

 

Narrow tube

 

 

inch (mm)

 

1/4 (6.35)

 

 

 

Tube Diameter

 

Wide tube

 

 

inch (mm)

 

5/8 (15.88)

 

 

 

Refrigerant Tube Kit / Accessories

 

 

 

 

Optional / Air Clean Filter

Weight

 

 

 

 

 

 

 

 

Indoor Unit

 

 

Outdoor Unit

 

 

Unit Dimensions

 

 

 

 

inch

11-23/32 41-15/16 8-19/32

 

29-1/8 35-7/16 12-19/32

&

 

Height Width Depth

 

 

(mm)

(298 1,065 218)

 

(740 900 320)

 

Package Dimensions

 

 

 

 

inch

11-3/8 44-7/8 14-29/32

 

33-27/32 40-5/8 16-1/4

Dimensions

Depth

 

 

 

Shipping Volume

 

 

cu.ft (m3)

 

4.23 (0.12)

 

 

12.71 (0.36)

 

 

Height

Width

 

 

(mm)

(289 1,140 379)

 

(860 1,032 413)

 

 

Weight

 

 

Net

 

 

Ibs (kg)

 

26.5 (12.0)

 

 

130.1 (59.0)

 

 

 

 

 

Shipping

 

 

Ibs (kg)

 

33.1 (15.0)

 

 

138.9 (63.0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Remarks: Rating conditions are:

 

 

 

Cooling: Indoor air temperature

80°F D.B. / 67°F W.B.

Heating: Indoor air temperature

70°F D.B.

Outdoor air temperature

95°F D.B. / 75°F W.B.

Outdoor air temperature

47°F D.B. / 43°F W.B.

8

Image 8
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 TH Total Heating Capacity BTU/h Power Supply 230V Single Phase 60Hz Heating CapacityHeating Capacity 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 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 ConnectFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsOverload prevention during heating Freeze preventionReverse-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 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 ExampleRecharging Case Refrigerant is LeakingWelding leaking points When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsOI-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 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 Operation Indication Setting the TimerExample To set to 1030 pm 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 functionWhen the air conditioner is not running Operation without the Remote Control UnitCare and Cleaning 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 HoleIf 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 TubingRecommended Wire Length and Diameter AWGWiring 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 tubingDrain cap Switching drain hose and drain capLeft-side tubing Do not supply power to Tubing and wiring to the outTo unmount indoor unit Unit or operate it until allWiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection 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 Attempting to turn the valve Be sure to completely insertHex wrench before 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