Related Manuals for Argo Clima AS52AL
Summary of Contents for Argo Clima AS52AL
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Page 1: Technical Data
TECHNICAL DATA & SERVICE MANUAL INDOOR UNIT: AS52AL SPLIT SYSTEM AIR CONDITIONER Model No. Product Code No. AS52AL 387006130 0.8180.416.0 07/2005... - Page 2 IMPORTANT! • Ground the unit following local electrical codes. • The Yellow/Green wire cannot be used for any connection Please read before installation different from the ground connection. • Connect all wiring tightly. Loose wiring may cause overheating This air conditioning system meets strict safety and operating at connection points and a possible fire hazard.
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Page 3: Table Of Contents
Table of Contents Page 1. SPECIFICATIONS 1-1 Unit specifications 1-2 Major Component specifications 1-3 Other Component specifications 2. DIMENSIONAL DATA 3. ELECTRICAL DATA 3-1 Electric Wiring Diagrams 4. FUNCTION 4-1 Cool Mode Operation 4-2 Heat Mode Operation 4-3 Auto Mode Operation 4-4 Dry Mode Operation 4-5 Fan Mode Operation 4-6 Protections in Cool/Dry Mode... -
Page 4: Specifications
1. SPECIFICATIONS 1-1 Unit Specifications AS52AL 220 - 240V ~ 50Hz Power source 230V Voltage rating Cooling Heating Performance See catalogue with the requested matching Capacity 750/630/530 Air circulation (High/Med./Low) m³/h Features Microprocessor/ I.C. thermostat Controls/Temperature controls Control unit Wireless remote control unit... -
Page 5: Major Component Specifications
AS52AL Controller PCB Part No. Microprocessor Controls 250 V - 5 A Control circuit fuse RC-7 (RC) Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 280 / L 175 Q'ty ……. Dia. and lenght R4E280-AK45-12…1 Fan motor model…Q'ty 4 …... -
Page 6: Other Component Specifications
1-3 Other Component Specifications AS52AL Thermistor ( Coil sensor TH1) ΚΩ 10 ± 3% Resistance Thermistor ( Room sensor TH2) ΚΩ Resistance 10 ± 5% Drain pump PC 309564003 Model 220/240V - 50Hz Rating Voltage Input 0,4 l/min Total head capacity... -
Page 7: Dimensional Data
2. DIMENSIONAL DATA Units: mm... -
Page 8: Electrical Data
3. ELECTRICAL DATA 3-1 Electric Wiring Diagrams... -
Page 9: Function
4. FUNCTION 4-1 Cool Mode Operation... -
Page 10: Heat Mode Operation
4-2 Heat Mode Operation... -
Page 11: Auto Mode Operation
4-3 Auto (Cool/Heat) Mode Operation... -
Page 12: Dry Mode Operation
4-4 Dry Mode Operation... -
Page 13: Fan Mode Operation
4-5 Fan Mode Operation 4-6 Protection operations in Cool and Dry Mode 1. Indoor Coil Defrost Protection 5 Protection Operations in Cool and Dry Modes... - Page 14 2. Outdoor Coil High Pressure Protection...
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Page 15: Protections In Heat Mode
4-7 Protection Operations in Heat Mode 1. Outdoor Coil Deice Protection... - Page 17 2. Indoor Coil High Pressure Protection in Heat Mode...
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Page 18: Sleep Function
4-8 Sleep Function 4-9 Daily Timer Function 4-10 IFEEL Function... -
Page 19: Drain Pump Operation
4-11 Pump Operation Drain pump operates only in Cool and Dry Mode. The float switch used for water level detection is closed under normal condition, and is open when wate overflow. For the NEC version of MCU, the "Overflow" and “Normal” conditions are indicated by a logic “0” and “1”... -
Page 20: Troubleshooting
6. TROUBLESHOOTING 5-1. 6-1. 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. 5-1-1. 6-1-1. Check power supply wiring. ● Check that power supply wires are correctly connected to terminals L and N on the terminal plate in the indoor unit. - Page 21 B. Circuit breaker trips in several minutes after turning the air conditioner on. ● There is a possibility of short circuit. • Check capacity of circuit breaker. Replace with suitable one (larger capacity). Capacity of circuit breaker is suitable. In case of Heating operation : Measure resistance of outdoor fan •...
- Page 22 C. Check remote control unit. • Try to run with another remote control unit. First remote control unit is defective. • Check for residue buildup on Clean transmitter. transmitter of remote control unit. • Check for residue buildup on remote control receiver on front of indoor Clean receiver.
- Page 23 5-2-3. 6-2-3. Only outdoor unit does not run. A. Check setting temperature. COOL HEAT Is room temperature too low ? Is room temperature too high ? Try to lower setting temperature by Try to raise setting temperature by temperature setting button ( button).
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Page 24: Some Part Of Air Conditioner Does Not Operate
5-3. Some part of air conditioner does not operate. 5-3-1. 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 25: Only Compressor Does Not Run
5-3-3. Only compressor does not run Check compressor motor Overload relay is working capacitor C1 (either OLR T or OLR A) Measure resistance of Temperature of compressor compressor motor winding is abnormally high Refrigerant gas shortage Charge refrigerant gas Measure power supply voltage Rotor may be locked up The voltage is too low 5-3-4. -
Page 26: Air Conditioner Operates, But Abnormalities Are Observed
5-4. Air conditioner operates, but abnormalities are observed 5-4-1. Operation does not switch from HEAT to COOL (or COOL to HEAT) Remote control unit Receiver in lamp ass'y may be defective may be defective Measure resistance of 4-way valve's winding COOL to HEAT Check voltage between Outdoor PCB ass'y is defective... - Page 27 5-4-2. 6-4-2. Poor cooling or heating. • Check position of remote control unit. Change position of remote • Cool or warm air from air conditioner control unit. reaches position directly. (only with I FEEL feature selected) • Wide and narrow tubes between Insulate both wide and narrow indoor unit and outdoor unit are tubes separately and then...
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Page 28: If A Sensor Is Defective
6-5 If a sensor is defective 6-5-1 ICT (indoor coil sensor) OCT(outdoor coil sensor) RAT (room ambient temperature) are defective. • • Stand by lamp on front side of indoor Thermistor ICT and OCT and RAT are unit is flashing on and off. (*) defective •... -
Page 29: Checking Electrical Components
6. CHECKING ELECTRICAL COMPONENTS 6-1 Measurement of Insulation power plug (Local supply) Resistance Ground The insulation is in good condition if the resistance exceeds 2MΩ probe Insulation tester NOTE 6-1-1. Power supply wires The shape of the power plug may differ from that of the air conditioner which you are servicing. -
Page 30: Checking Continuity Of Fuse On Pcb Ass'y
6-2 Checking Continuity of Fuse on PCB Ass'y Fuse 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.6 Fig. - Page 31 Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...
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