Sanyo CL2462R, C2462R service manual Poor Cooling, Excessive Cooling

Page 49

12. SERVICE PROCEDURES

11) Poor Cooling.

Check installation position of remote control unit.

• Does cool air from air condi-

tioner reach remote control

unit directly ?

 

 

YES

Change installation

position of remote

 

 

control unit.

 

 

 

 

• Is wide tube between indoor unit

and outdoor unit insulated ?

YES

NO

Insulate wide tube and then execute taping with narrow tube.

Measure temperatures of suction and discharge air of indoor unit.

 

Temperature

 

 

 

 

difference

 

 

 

Possibility of

 

Charge

 

 

 

is small.

 

 

refrigerant

 

refrigerant

 

 

 

 

 

 

 

 

shortage.

 

 

 

 

 

 

 

Temperature difference between suction and discharge air is

large enough (Approx. 10 deg. or more).

• Check clogging of air

 

 

 

 

filter.

Air filter is clogged.

 

 

 

 

 

 

 

 

 

YES

 

• Is fan speed set to LOW ?

 

 

 

 

 

 

 

 

 

 

 

• Review cooling load estimate, if performance of air conditioner is normal.

Clean filter.

Set fan speed to either HIGH or MEDIUM.

Reduce cooling load or replace the unit with higher cooling capacity.

1040_X_S

12) Excessive Cooling.

YES

• The set temperature is too low.

• Is the remote control unit installed

NO

 

 

at a place where it can

 

detect the room temperature

 

 

properly ?

 

 

 

 

 

Set the temperature to higher value using temperature setting button of the remote control unit.

Change installation position of the remote control unit.

0637_X_S

SM830092

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Contents Indoor Unit Outdoor Unit KS2462R C2462R CL2462R Technical Data…In a Room Please Read Before Starting…In Moist or Uneven Locations Table of Contents KS2462R / C2462R Operating RangeKS2462R / CL2462R Unit Specifications SpecificationsIndoor Unit KS2462R Outdoor Unit CL2462R Major Component Specifications Indoor Unit Major Component Specifications Outdoor Unit Controller P.C.B. Assy Model No CL2462R SourceHeat exchange Model No KS2462R Power Transformer Other Component Specifications Indoor UnitThermistor Coil sensor Lamp AssyPower Relay Other Component Specifications Outdoor UnitModel No C2462R Thermostat Coil sensorSolenoid control valve or coil Model No CL2462RIndoor Unit KS2462R Dimensional DataOutdoor Unit C2462R, CL2462R Indoor Unit KS2462R Outdoor Unit C2462R Cooling Capacity208V / 1 phase / 60Hz Operating Current Indoor Unit KS2462R Performance Charts230V 208VOutdoor Unit CL2462R High Pressure High and Low Pressure Indoor Unit KS2462R230V / 208 Low Pressure230 Horizontal distance ft AIR Throw Distance ChartHgbv Refrigerant Flow DiagramTubing Length Installation InstructionsC2462R, CL2462R 132 For stable operation Selecting the Installation SiteAir conditioner, do Air discharge chamber for top discharge Recommended outer dimensions of wind shield field supply Electrical Wiring General Precautions on Wiring Models Wiring System DiagramElectrical Data Electrical Wiring Diagrams Electric Wiring DiagramElectric Wiring Diagram Schematic Diagram Controller CR-CL2432 CL2462R Outdoor UnitOutdoor Unit CL2462R Schematic DiagramProcesses and Functions Room Temperature ControlCooling operation Dry a zone Dry Operation DehumidificationFreeze Prevention CL2462R Type Outdoor Fan Speed Control C2462R TypeService Procedures 1032XS There is a possibility of short circuit Check remote control unitCheck compressor motor protectors High pressure switch 63PH Check Operation selector switch in the indoor unitTransformer in indoor unit Check fuse on the P.C.B. Ass’y in the indoor unit Check. auxiliary relay Y or 2YCheck set temperature Check Cool / FAN selector switch in the remote control unitOutdoor Unit does not Run Check indoor unit P.C.B Check compressor motor magnetic contactorCheck outdoor unit P.C.B. CL2462R Type Indoor fan and flap motor do not run Indoor Unit does not RunSome Part does not Operate. A. Indoor fan does not run Flap motor does not runOutdoor Fan does not Run Compressor does not Run Outdoor Fan does not Run for CL2462RExcessive Cooling Poor CoolingRoom temp. Sensor in the remote control unit is defective Measurement of Insulation Re- sistance for Electrical parts Power Supply WiresCompressor motor thermal protector . . . . . . Outdoor unit Checking the Protective DevicesMotor capacitor Both in indoor and outdoor unit Indoor fan motor FMI Indoor unit Measure the coil resistanceContinuity of fuse on P.C.B. Ass’y Check for continuity using a multim- eter as shown in FigMethod Used to Replace Fuse on PCB Ass’y Refrigerant R410A Special Precautions When Installing Unit No addition of compressor oil for R410A Gauge manifold

C2462R, CL2462R specifications

The Sanyo CL2462R and C2462R are versatile and innovative air conditioning models designed to meet the demands of residential and commercial spaces. Known for their advanced features, energy efficiency, and user-friendly operation, these units have garnered a reputation for reliability and performance.

One of the standout features of the Sanyo CL2462R and C2462R is their energy efficiency. Equipped with inverter technology, these models adjust their cooling output based on the ambient temperature, minimizing energy consumption while maintaining consistent comfort levels. This not only helps in reducing electricity bills but also contributes to environmental sustainability, making them an attractive choice for the eco-conscious consumer.

Both models come with a powerful cooling capacity, ensuring rapid temperature reduction even in the most demanding conditions. The CL2462R features a robust compressor that provides an efficient cooling experience, while the C2462R balances power with refined performance, tailoring its output to the specific needs of the space it serves.

Another significant characteristic is their whisper-quiet operation. The Sanyo CL2462R and C2462R are designed with noise reduction technology, allowing them to operate at lower decibel levels. This feature makes them ideal for use in bedrooms, offices, or any quiet environment where disruption needs to be minimized.

User-centric design is prevalent in these models, with intuitive remote controls and programmable timers that allow users to customize their cooling experience. Both units feature multiple fan speeds, allowing users to choose their desired airflow levels for optimal comfort. Additionally, the units are equipped with air purification technologies, including filters that effectively trap dust, allergens, and pollutants, ensuring that the air circulated is clean and healthy.

The Sanyo CL2462R and C2462R also boast sleek designs that can complement various interior decor styles. Their compact dimensions make them easy to install without occupying too much space, making them a practical choice for modern living.

In summary, the Sanyo CL2462R and C2462R deliver exceptional performance, energy efficiency, and user-friendly features, making them ideal solutions for effective cooling. These models embody Sanyo's commitment to quality and innovation, providing consumers with reliable products that enhance comfort and improve air quality in any environment.