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Sanyo SAP–K302A Technical & Service Manual

Split system air conditioner
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TECHNICAL & SERVICE MANUAL
SAP – K302A + SAP – C302A
FILE NO.
Destination: Australia
SPLIT SYSTEM AIR CONDITIONER
Indoor Model No.
Product Code No.
Outdoor Model No.
Product Code No.
SAP – K302A– S
1 852 083 73
SAP – C302A– S
1 852 084 14
Indoor Unit
Outdoor Unit
SAP – K302A
SAP – C302A
SM
700570
REFERENCE NO.

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  • Page 1 TECHNICAL & SERVICE MANUAL SAP – K302A + SAP – C302A FILE NO. Destination: Australia SPLIT SYSTEM AIR CONDITIONER Indoor Model No. Product Code No. Outdoor Model No. Product Code No. SAP – K302A– S 1 852 083 73 SAP – C302A– S 1 852 084 14 Indoor Unit Outdoor Unit...
  • Page 2 Important! When Transporting Be careful when picking up and moving the indoor and Please Read Before Starting outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp This air conditioning system meets strict safety and edges or thin aluminum fins on the air conditioner can operating standards.

  • Page 3: Table Of Contents

    Table of Contents Page 1. OPERATING RANGE ..........................1 2. SPECIFICATIONS 2-1. Unit Specifications .......................... 2 2-2. Major Component Specifications....................3 2-3. Other Component Specifications....................5 3. DIMENSIONAL DATA..........................6 4. REFRIGERANT FLOW DIAGRAM ......................8 5. PERFORMANCE DATA 5-1. Performance charts ........................9 5-2.

  • Page 4: Operating Range

    1. OPERATING RANGE Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 32°C D.B. / 23°C W.B. 43°C D.B. Cooling Minimum 19°C D.B. / 14°C W.B. 19°C D.B.

  • Page 5: Specifications

    2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit SAP – K302A Outdoor Unit SAP – C302A Power Source 240 V Single phase 50Hz Voltage rating Cooling 8.00 Capacity BTU/h 27,300 Air circulation (High) 1,110 Moisture removal (High) Liters/h Available voltage range 216 to 264 Running amperes 13.0...

  • Page 6: Major Component Specifications

    2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit SAP – K302A Part No. POW – K301A Controls Microprocessor Control circuit fuse 250 V – 3.15 A Remote Control Unit RCS – 3S4E–G Type Cross-flow Q´ty ... Dia. and length 1 ...
  • Page 7 2-2-2. Outdoor Unit Outdoor Unit SAP – C302A Circuit Board Ass´y POW – C301A–A Type Rotary (Hermetic) Compressor model C – R240H5S 80669545 Nominal output 2,400 Compressor oil ... Amount 4GSD – T or SAY–56T ... 1,350 Ω Coil resistance (Ambient temp. 25°C) C –...

  • Page 8: Other Component Specifications

    2-3. Other Component Specifications Indoor Unit SAP – K302A Transformer (TR) ATR-J105 Rating Primary AC 230V, 50 / 60 Hz Secondary 19V, 0.526A Capacity 10VA Ω (at 21°C) 205 ± 10% Coil resistance Primary (WHT – WHT): 2.0 ± 10% Secondary (BRN –...

  • Page 9: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit SAP – K302A 1,140 Remote control unit 59.7 22.2 Center of tubing hole (2 places) Narrow tube ø9.52(3/8") Wide tube ø15.88 (5/8") 64.6 Drain hose ø18 Unit : mm...
  • Page 10 Outdoor Unit SAP – C302A Hole for anchor bolt ø13 Narrow tube service valve ø9.52 (3/8 ") Wide tube service valve ø15.88 (5/8 ") Refrigerant tubing outlet Inter-unit wiring outlet Power supply wiring outlet Unit : mm Unit : mm...

  • Page 11: Refrigerant Flow Diagram

    4. REFRIGERANT FLOW DIAGRAM Indoor Unit SAP – K302A Outdoor Unit SAP – C302A Indoor Unit Outdoor Unit Wide tube service Compressor Muffler Accumulator Wide tube valve O.D. ø15.88 mm (5/8 ") Narrow tube service valve Narrow tube O.D. Capillary tube ø9.52 mm (3/8") Insulation of Refrigerant Tubing...

  • Page 12: Performance Data

    5. PERFORMANCE DATA 5-1. Performance charts Indoor Unit SAP – K302A Outdoor Unit SAP – C302A Cooling Characteristics Indoor inlet air D.B. temp. (°C) Outdoor fan speed High Outdoor inlet air D.B. temp. (°C) Indoor inlet air 1.28 (12) D.B. temp. (°C) 1.18 (11) Outdoor fan speed...

  • Page 13: Air Throw Distance Chart

    5-2. Air Throw Distance Chart Indoor Unit SAP – K302A Room air temp. : 27°C Fan speed High Horizontal distance (m) : Flap angle 0° , : Axis air velocity 0° : Flap angle 30°, : Axis air velocity 30°...

  • Page 14: Cooling Capacity

    5-3. Cooling Capacity Indoor Unit SAP – K302A Outdoor Unit SAP – C302A 240V Single Phase 50Hz RATING CAPACITY 8.00 kW AIR FLOW RATE 1110 m EVAPORATOR CONDENSER ENT. TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 7.36 7.01 6.58 6.06 2.53 2.72...

  • Page 15: Electrical Data

    6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit SAP – K302A Outdoor Unit SAP – C302A Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 240V Single phase 50Hz Rating Conditions Running Amps. 0.330 0.660 12.01 13.0 Power Input 0.072...

  • Page 16: Electric Wiring Diagram

    6-2. Electric Wiring Diagrams To avoid electrical shock hazard, be sure to Indoor Unit SAP – K302A disconnect power before checking, servicing WARNING and/or cleaning any electrical parts. Indoor Electrical Compornent Box Controller ( PCB Ass'y ) Power transformer Fan motor capacitor TRANS Terminal plate Room thermistor...
  • Page 17 To avoid electrical shock hazard, be sure to Outdoor Unit SAP – C302A disconnect power before checking, servicing WARNING and/or cleaning any electrical parts. Outdoor Electrical Compornent Box Fan motor capacitor Controller (PCB Ass´y) Fuse (250V, 20A) Compressor motor capacitor (C2) Compressor motor Terminal capacitor (C1)

  • Page 18: Installation Instructions

              7. INSTALLATION INSTRUCTIONS 7-1. Installation Site Selection Indoor Unit 15 cm min. 15 cm 15 cm min. To prevent abnormal heat min. INDOOR UNIT generation and the possibility WARNING of fire, don’t place obstacles, enclosures and grills in front Front View of or surrounding the air...
  • Page 19 Outdoor Unit AVOID: heat sources, exhaust fans, etc. (Fig. 3) Exhaust fan damp, humid or uneven locations. Hot air Heat source choose a place as cool as possible. Outdoor unit choose a place that is well ventilated. allow enough room around the unit for air intake/exhaust and possible maintenance.

  • Page 20: Remote Control Unit Installation Position

    7-2. Remote Control Unit Installation Position The remote control unit can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote control unit in the following places: In direct sunlight Behind a curtain or other place where it is covered More than 8 m away from the air conditioner...

  • Page 21: Wiring Instructions

    7-3. Recommended Wire Length and Size Regulations on wiring diameter differ from locality to NOTE locality. For field wiring requirements, please refer to Refer to the WIRING SYSTEM DIAGRAM for the your local electrical codes. Carefully observe these meaning of "A", "B" and "C" in Table 2. regulations when carrying out the installation.

  • Page 22: Function

    8. FUNCTION 8-1. Room Temperature Control Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the remote control unit. The room temperature (and other information) is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit.

  • Page 23: Dry Operation

    8-2. Dry Operation (Dehumidification) Dry operation uses the ability of the cooling cycle to remove moisture from the air, but by running at low level to dehumidify without greatly reducing the room temperature. The air conditioner repeats the cycle of turning ON and OFF automatically as shown in the chart below according to the room temperature.

  • Page 24: Outdoor Fan Speed Control

    8-4. Outdoor Fan Speed Control To optimize performance of the air conditioner, the outdoor fan speed is switched automatically according to the outdoor temperature. If the outdoor air temperature falls below 29°C, the fan speed switches to LOW. If the outdoor air temperature rises above 31°C, the fan speed switches to HIGH. Outdoor air temperature (°C) Outdoor fan...

  • Page 25: Troubleshooting

    9. TROUBLESHOOTING 9-1. Check before and after troubleshooting WARNING Hazardous voltage can cause ELECTRIC SHOCK or DEATH. Disconnect power or turn off circuit breaker before you start checking or servicing. 9-1-1. Check power supply wiring. Check that power supply wires are correctly connected to terminals No.1 and No.2 on the 3P terminal plate in the outdoor unit.

  • Page 26: Air Conditioner Does Not Operate

    9-2. Air conditioner does not operate. 9-2-1. Circuit breaker trips (or fuse blows). A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.) There is a possibility of ground fault. Check insulation resistance. If resistance value is 2MΩ...
  • Page 27 9-2-2. Neither indoor nor outdoor unit runs. A. Power is not supplied. Circuit breaker Reset breaker. is tripped. • Check power supply. Power is being supplied to the Wait for recovery outdoor unit. Power failure or contact power company. B. Check remote control unit. •...
  • Page 28 E. Check fuse on the indoor PCB Ass'y. • Measure resistance of indoor fan If fuse has been blown, • Check fuse on indoor PCB Ass'y motor winding. for continuity. (FM) • Check operation lamp to see • Measure resistance of flap motor if light is ON.
  • Page 29 9-2-3. Only outdoor unit does not run. A. Check setting temperature. Is room temperature too low ? Try to lower setting temperature by temperature setting button ( button). Outdoor unit still does not run. • Try to run using another remote control unit.

  • Page 30: Some Part Of Air Conditioner Does Not Operate

    9-3. Some part of air conditioner does not operate. 9-3-1. Only indoor fan does not run. • Check fan casing Remove foreign foreign matter on matter or repair. Fan cannot inside. be turned. • Check fan rotation. Turn fan gently once or twice by hand.
  • Page 31 9-3-3. Only compressor does not run. • Compressor internal protector • Check compressor motor is working. capacitor. (C1 or C2) • Measure resistance of • Temperature of compressor is abnormally high. compressor motor winding. • Measure resistance of power Refrigerant gas shortage. Charge refrigerant gas (R22).

  • Page 32: Air Conditioner Operates, But Abnormalities Are Observed

    9-4. Air conditioner operates, but abnormalities are observed. 9-4-1. Poor cooling. • Check position of remote control unit. Change position of remote Cool air from air conditioner reaches • control unit. position directly. • Wide and narrow tubes between Insulate both wide and narrow indoor unit and outdoor unit are tubes separately and then insulated.

  • Page 33: Checking Electrical Components

    10. CHECKING ELECTRICAL COMPONENTS 10-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 2MΩ. Probe 10-1-1. Power Supply Wires Insulation tester Fig. 1 Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and Terminal plate measure the resistance by placing a probe on either of...

  • Page 34: Checking Continuity Of Fuse On Pcb Ass'y

    10-2. Checking Continuity of Fuse Fuse on PCB Ass'y Remove the PCB Ass’y from the electrical component box. Then pull out the fuse from the PCB Ass’y. (Fig. 5) PCB Ass’y Check for continuity using a multimeter as shown in Fig.

  • Page 35: Maintenance

    11. MAINTENANCE 11-1. Changing Address of Remote Control Unit in Indoor Unit If you are installing more than 1 indoor unit (up to 2) in the same room, it is necessary for you to assign each unit its own address, so each can be operated by its own separate remote control unit. You assign the addresses by matching the remocon address on the PCB of each indoor unit with the switch positions of its remote control unit.

  • Page 36: Appendix Instruction Manual

    APPENDIX Remote Control Unit Sensor Transmitter (Cover closed) Display ON/OFF operation button TEMP setting buttons MODE operation button FLAP button TIMER SET button (which advances the time displayed) 1 HR. TIMER button TIMER ON button ECONOMY button TIMER OFF button FAN SPEEDselector button ACL button ADDRESS switch...
  • Page 37 SANYO Electric Co.,Ltd Osaka, Japan SM700570 Sep/2003/50 Printed in Japan...

This manual is also suitable for:

Sap–c302a

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