Sanyo CL2462R, C2462R service manual Service Procedures

Page 39

12. SERVICE PROCEDURES

(1) Troubleshooting

1) Check before and after Troubleshooting

Many problems may happen because of wiring or power supply problems, so you should check these areas first. Problems here can cause false results in some of the other tests, and so should be corrected first.

1 Check power supply wiring

(a) Single-phase

Check that power supply wires are correctly connected to L1 and L2 on the 6P terminal in the outdoor unit.

2 Check inter-unit wiring

Check that inter-unit wiring (AC 230 - 208 V Line voltage) is correctly con- nected between the indoor unit and outdoor unit.

Single-phase outdoor unit

Indoor Unit

Outdoor Unit

4P Terminal

1

2

G

4

 

Inter-Unit Wiring

6P Terminal

 

(Line voltage)

 

 

 

230V/208V

1

 

 

 

230V/208V

2

 

 

 

Grounding line

G

 

 

 

230V/208V

4 (A)

 

 

Disconnect

(B)

L1

 

 

switch

 

L2

(Field supply)

G

 

 

Power supply Single phase 230V/208V 60Hz

Grounding line

2206_M_S

Fig. 15

3 Check power supply

Check that voltage is within the specified range (±10 % of the rating). Check that power is being supplied.

If the following troubleshooting must be done with power being supplied, be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK.

4 Check the lead wires and connectors in indoor and outdoor units.

Check that the sheath of lead wires is not damaged.

Check that the lead wires are firmly connected at the terminal plate. Check that the wiring is correct.

5Reference

Condition of general cooling operation (Thermo. ON) SWEEP .................. ON

Indoor fan speed .... HIGH

SM830092

– 39 –

Image 39
Contents Indoor Unit Outdoor Unit KS2462R C2462R CL2462R Technical DataPlease Read Before Starting …In a Room…In Moist or Uneven Locations Table of Contents Operating Range KS2462R / C2462RKS2462R / CL2462R Unit Specifications SpecificationsIndoor Unit KS2462R Outdoor Unit CL2462R Major Component Specifications Indoor Unit Major Component Specifications Outdoor Unit Model No CL2462R Source Controller P.C.B. AssyHeat exchange Lamp Assy Other Component Specifications Indoor UnitModel No KS2462R Power Transformer Thermistor Coil sensorThermostat Coil sensor Other Component Specifications Outdoor UnitPower Relay Model No C2462RSolenoid 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 208V Performance ChartsOperating Current Indoor Unit KS2462R 230VOutdoor Unit CL2462R Low Pressure High and Low Pressure Indoor Unit KS2462RHigh Pressure 230V / 208230 Horizontal distance ft AIR Throw Distance ChartHgbv Refrigerant Flow DiagramInstallation Instructions Tubing LengthC2462R, CL2462R 132 Selecting the Installation Site For stable operationAir 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 Operation selector switch in the indoor unit Check compressor motor protectors High pressure switch 63PHTransformer in indoor unit Check fuse on the P.C.B. Ass’y in the indoor unit Check. auxiliary relay Y or 2YCheck Cool / FAN selector switch in the remote control unit Check set temperatureOutdoor Unit does not Run Check compressor motor magnetic contactor Check indoor unit P.C.BCheck outdoor unit P.C.B. CL2462R Type Flap motor does not run Indoor Unit does not RunIndoor fan and flap motor do not run Some Part does not Operate. A. Indoor fan 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 resistanceCheck for continuity using a multim- eter as shown in Fig Continuity of fuse on P.C.B. Ass’yMethod 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.