Sanyo C1872, C2472, CL2472, CL1872 service manual Operation Functions

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9. FUNCTIONS

9-1. Operation Functions

Emergency operation

Emergency operation is available when the remote controller malfunctions, has been lost, or otherwise cannot be used.

To operate the system, press the OPERATION button, which is also used as the receiver, below the unit display. Each time this button is pressed, the OPERATION lamp changes color to indicate the type of operation. Select the desired type of operation.

COOL

 

STOP

 

(GREEN)

 

(Lamp Off)

The set temperature is 4°F(2°C) below the detected room temperature in the case of cooling operation.

SENSOR DRY

During DRY operation, the system adjusts the room temperature and fan speed according to the conditions in the room, in order to maintain a comfortable room environment.

SENSOR DRY operation

DRY operation is as shown in the figure below.

Load

COOL zone

Azone

Bzone

Conditions are monitored at all times when the room temperature is below 59°F(15°C).

DRY A

The compressor operation frequency varies.

The indoor fan operates with 1/f fluctuation.

DRY B

The compressor operates at a low operating frequency. The indoor fan operates with 1/f fluctuation.

Monitor

Monitoring operation takes place when the room temperature is below 59°F(15°C), or more than 5°F(3°C) below the set temperature.

When the monitoring range is entered, the compressor stops, and the indoor fan operates with 1/f fluctuation.

NOTE (CLxx models only)

The Sensor Dry operation during the Low Ambient Cooling Mode (outside air temperature:59°F(15°C) or lower) is as follows.

DRY A and DRY B

The compressor operates a cycle of 3 minutes ON and 6 minutes OFF repeatedly.

PAM- control

In order to further improve inverter performance, control is switched between PWM control at low operation speeds, and PAM control at high operation speeds, making the most effective use of power.

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Contents KS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 DC Inverter Split System AIR ConditionerPlease Read Before Starting Table of Contents Checking Electrical Components Operating Range Models KS1872 + C1872 KS2472 + C2472Models KS1872 + CL1872 KS2472 + CL2472 Unit Specifications KS1872C1872 208V Single-Phase 60Hz C2472 KS2472KS2472 CL1872 KS1872 CL2472 KS2472 Indoor Unit Major Component SpecificationsCB-KS2472 Outdoor Unit Outdoor Unit C2472 Outdoor Unit CL1872 Outdoor Unit CL2472 Indoor heat exchanger sensor Other Component SpecificationsCompressor temp sensor Outdoor air temp sensorDimensional Data Outdoor Unit C1872 Outdoor Unit C2472 Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor unit Outdoor unit Curve because it can cause the tube to break or crackPerformance Data Temperature ChartsIndoor Unit KS1872 Outdoor Unit CL1872 Indoor Unit KS2472 Outdoor Unit C2472 Indoor Unit KS2472 Outdoor Unit CL2472 Air Throw Distance Charts Cooling C1872 Cooling Electrical CharacteristicsC2472 Cooling CL2472Indoor Unit KS1872 KS2472 Electric Wiring DiagramsController Outdoor Unit C1872 CL18728FA2-5257-68700-3 8FA2-5257-68400-3 Installation Site Selection C2472, CL2472 C1872, CL1872AWG Recommended Wire Length and DiameterTo take out the remote control unit, pull it forward Remote Control Unit Installation PositionHow to Test Run the Air Conditioner Remove the Grille to Install the Indoor Unit How to remove the grilleHow to replace the grille Address Setting of the Remote Control Unit MaintenanceHow to Connect How to DisconnectOperation Functions FunctionsHigh Power Freeze prevention Protective FunctionsTroubleshooting Precautions before Performing Inspection or RepairMethod of Self-Diagnostics S01 Self-diagnostics LampsReplace the circuit board or the fuse Replace the controllerChecking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsChecking the indoor unit Control Check items unit operation Checking the serial communicationsDiagnostic results Diagnostic procedureRemedy for symptom 3 to Trouble Diagnosis of Fan MotorOutdoor Fan Motor Noise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Measurement of Insulation Resistance Checking Electrical ComponentsChecking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresFor servicing, use the following tools for R410A Tool Distinction Tool NameCase of Compressor Malfunction Recharging Configuration and characteristics of cylindersNever charge a large amount Unit. This may causeWelding leaking points Case Refrigerant is LeakingRetro-Fitting Existing Systems Charging Additional RefrigerantKS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 Features Contents Alert SymbolsProduct Information Installation Location Safety InstructionsElectrical Requirements Names of Parts Quiet lamp Unit Display and Operation ButtonRemote Control Unit Display HR. Timer button Remote Control UnitAdvance button TransmitterDRY Using the Remote Control Unit How to Install BatteriesACL button ALL Clear Using the Remote Control Unit Operation Operation with the Remote Control UnitPress the ON/OFF operation button Operation with the Remote Control UnitNight Setback Mode is used for saving energy Cooling and DRY ModeQuiet Mode Power failure during operation Special RemarksClicking sound is heard from the air conditioner Operation Indication Setting the TimerSetting the Timer To cancel a timer program Press the Cancel button1030 pm 710 am 1100 am Present time Setting procedure Using the 1-Hour OFF TimerCancellation procedure Operation together with the Daily ON/OFF Repeat TimerSetting the airflow manually Adjusting the Airflow DirectionHorizontal Sweep functionWhen the air conditioner is not running Care and CleaningOperation without the Remote Control UnitCleaning Care and CleaningWashing the grille with water Air clean filter How to clean the air clean filterFilter Negative ion generator metal electrodes inside plastic caseTroubleshooting Operating RangeTrouble Possible Cause Remedy

CL1872, CL2472, C1872, C2472 specifications

The Sanyo C1872, CL2472, CL1872, and C2472 models are notable additions to Sanyo's esteemed line of electronics, primarily focusing on providing high-quality performance in their respective categories. These models exemplify advanced technology coupled with user-friendly features, catering to both individual consumers and business professionals.

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