Sanyo C2462R, CL2462R

– 50 –

SM830092

12. SERVICE PROCEDURES

(2) A Sensor is Defective.

1Indoor (heat exchanger) coil temp. Sensor is defective.

(a) Open (=No continuity in sensor)

Compressor and outdoor fan repeat ON for 10 minutes and OFF for 6 minutes

when sensor opens.

(b) Short

“Freeze Prevention” does not operate when dehumidified water is frozen on the

indoor coil.

2Room temp. Sensor (in the remote control unit) is defective.

(a) Open (=No continuity in sensor)

Neither outdoor fan nor compressor runs.

(b) Short

Outdoor fan and compressor do not stop. — Excessive cooling.

Contents

Main Important CAUTION When Installing In an area with High Winds In a Snowy Area (for Heat Pump-type Sys-tems) Table of Contents 1. OPERATING RANGE Page 1-1 Unit Specifications Page Page Page (A) Indoor Unit (A) Outdoor Unit Page 3. DIMENSIONAL DATA (1) Indoor Unit: KS2462R Remote control unit 3. DIMENSIONAL DATA (2) Outdoor Unit: C2462R, CL2462R 4. COOLING CAPACITY 230V / 1 phase / 60Hz 4. COOLING CAPACITY 208V / 1 phase / 60Hz (1) Operating Current Operating current characteristics versus outdoor ambient temperature and indoor temperature. 230V Operating current (A) 208V (1) Operating Current 2Indoor Unit: KS2462R Outdoor Unit: CL2462R Operating current characteristics versus outdoor ambient temperature and indoor temperature. 230V 208V Operating current (A) 230V / 208 V Low Pressure 230V / 208 V Low pressure characteristics versus outdoor ambient temperature and indoor temperature. (2) High and Low Pressure Discharge pressure (psig) High Pressure 230 / 208V (2) High and Low Pressure 2Indoor Unit: KS2462R Outdoor Unit: CL2462R High Pressure 230 / 208V High pressure characteristics versus outdoor ambient temperature and indoor temperature. Low Pressure Low pressure characteristics versus outdoor ambient temperature and indoor temperature. 6. AIR THROW DISTANCE CHART Indoor Unit: KS2462R 7. REFRIGERANT FLOW DIAGRAM Indoor Unit: KS2462R Outdoor Unit: CL2462R S Sub-condenser Indoor Unit: KS2462R Outdoor Unit: C2462R Page Page Page Page Page 7-2. Recommended Wire Length and Wire Diameter for Power Supply System 7-3. Wiring System Diagram 9. ELECTRICAL DATA SM830092 (1) Indoor Unit 1KS2462R Electric Wiring Diagram COIL THERMISTOR (TH1) ROOM THERMISTOR (TH2) CAPACITOR FLP Electric Wiring Diagram Schematic Diagram C2462R Symbols Description Electric Wiring Diagram CL2462R 854-2-5269-159-00-0 VLT GRY Schematic Diagram CL2462R FMO CM Symbols Description Fig. 11 Chart Summary and Explanations Fig. 12 NOTE Fig. 13 Chart Summary and Explanations Page Page ++ 2Neither indoor unit nor outdoor unit runs. A. Power is not supplied B. Check remote control unit. C. Check Operation selector switch in the indoor unit. D. Check compressor motor protectors. (a) High pressure switch (63PH) E. Transformer in indoor unit. F. Check. auxiliary relay. (1Y or 2Y) G. Check fuse on the P.C.B. Assy in the indoor unit. 3) Outdoor Unit does not Run. A. Check COOL / FAN selector switch in the remote control unit. B. Check set temperature. C. Check compressor motor magnetic contactor. D. Check indoor unit P.C.B. E. Check outdoor unit P.C.B. (CL2462R Type) 5) Some Part does not Operate. A. Indoor fan does not run. 4) Indoor Unit does not Run. (Indoor fan and flap motor do not run.) B. Flap motor does not run. Check resistance of flap motor winding. P.C.B. Assy or remote control unit is defective. OK 6) Outdoor Fan does not Run. 9) Outdoor Fan does not Run for CL2462R. 10) Compressor does not Run. 11) Poor Cooling. 12) Excessive Cooling. Page Page Page Page Page 11. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN INSTALLING UNIT Therefore, do not add new refrigerant. Thus, always charge the refrigerant while it is in liquid phase.