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Summary of Contents for Argo Clima AER518DC
- Page 1 TECHNICAL DATA & SERVICE MANUAL Outdoor Unit Indoor Unit AER518DC AWR509CL(x2) AFR509CL(x2) MULTI-SPLIT SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit AWR509CL(x2) AER518DC AFR509CL(x2) 0.8180.138.0 03/2001...
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Page 2: Special Precautions
IMPORTANT! Please Read Before Starting When Installing… This air conditioning system meets strict safety and operating standards. As the installer or service person, it is …In a Ceiling or Wall an important part of your job to install or service the Make sure the ceiling/wall is strong enough to hold the system so it operates safely and efficiently. -
Page 3: Table Of Contents
Table of Contents Page Unit combination iiii OPERATING RANGE SPECIFICATIONS Unit Specification Major Component Specifications Other Component Specifications DIMENSIONAL DATA COOLING CAPACITY AIR THROW DISTANCE CHART REFRIGERANT FLOW DIAGRAM ELECTRICAL DATA Electrical Characteristic Electric Wiring Diagrams Performance Charts INSTALLATION INSTRUCTION Installation Site Selection Remote Control Unit Installation Position Recommended Wire Length and Diameter... - Page 4 CHECKING ELECTRICAL COMPONENTS 13-1 Measurement of insulation Resistance 13-2 Checking Continuity of Fuse on PCB Ass’y 13-3 Checking Motor Capacitor...
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Page 5: Unit Combination Iiii
Unit Combination Combine indoor and outdoor units only as listed below. Symbol of Outdoor Unit Indoor Unit Refer to Indoor Unit AWR509CL AFR509CL Fig.1 AER518DC AWR509CL AFR509CL Indoor Unit Outdoor Unit Fig.1... -
Page 6: 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 7: Specifications
2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit AWR509CL Outdoor Unit AER518DC No. of indoor units. 1-unit 2-units Power Source 220 – 240 V ~ 50 Hz Cooling Capacity 2.85 5.30 BTU/h 9,700 18,100 470 × 2 Air circulation (High) Moisture removal (High) Liters/h 1. - Page 8 Indoor Unit AFR509CL Outdoor Unit AER518DC No. of indoor units. 1-unit 2-units Power Source 220 – 240 V ~ 50 Hz Cooling Capacity 2.85 5.30 BTU/h 9,700 18,100 Air circulation (High) 380 x 2 Moisture removal (High) Liters/h 1. 0× 2...
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Page 9: Major Component Specifications
2-2. Major Component Specifications Indoor Unit AWR509CL Part No. POW – K8E(A), POW – K8E(B) Controls Microprocessor Control circuit fuse 250 V 3.15 A Remote Control Unit RCS – 8PS3E Type Cross – flow Q'ty ... Dia. and length 1 ... ø95 / L617 Fan motor model ... - Page 10 Indoor Unit AFR509CL Controller PCB Part No. POW-K185GS5-N Controls Microprocessor Control circuit fuse 250 V 3 A Remote Control Unit RCS-5PS3E Fan & Fan Motor Type Cross-flow Q'ty ... Dia. and length 1 ... ø100 / L410 Fan motor model ... Q'ty KR35406M01527 No.
- Page 11 Outdoor Unit AER518DC Type Rotary (Hermetic) Compressor model ... Q'ty C – RN90H5B ... 2 / 80228345 ... 2 Nominal output DAPHNE-FV68S ... 47 0× 2 Compressor oil ... Amount Ω Coil resistance (Ambient temp. 25°C) C – R : 3.07 C –...
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Page 12: Other Component Specifications
0°C 15.0 ± 2% Thermistor (Room sensor) DTN-TKS134B Resistance kΩ 25°C 5.0 ± 3% Outdoor Unit AER518DC Power Relay (RA, RB) G7L-2A-TUB Coil rating AC 200 – 240V, 50 Ω (at 23°C) Coil resistance 21 ± 15% Contact rating AC 240V, 14A... -
Page 13: Dimensional Data
3. DIMENSIONAL DATA Indoor Unit AWR509CL Drain hose ø18 Remote control unit 18.5 99.5 58.5 Narrow tube ø6.35 (1/4") Center of tubing hole (2 places) Wide tube ø9.52 (3/8") Unit : mm... - Page 14 Outdoor Unit AER518DC Air intake 4 – ø12 holes Air discharge Magnified illustration To Indoor Unit A To Indoor Unit B Narrow tube service valve ø6.35(1/4") Wide tube service valve ø9.52(3/8") Unit : mm...
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Page 15: Cooling Capacity
4.COOLING CAPACITY INDOOR UNIT: AWR509CL @ AFR509CL 230V 50 Hz RATING CAPACITY 2.85 kW AIR FLOW RATE 470 m³/h @ 380 m³/h EVAPORATOR CONDENSER ENT.TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 2.70 2.62 2.50 2.34 2.16 0.84 0.90 0.96 1.06 1.15 1.85... -
Page 16: Air Throw Distance Chart
5. AIR THROW DISTANCE CHART Indoor Unit AWR509CL Room air temp. : 27°C Fan speed High Horizontal distance (m) Axis air velocity 0° Flap angle 30°... -
Page 17: Refrigerant Flow Diagram
6. REFRIGERANT FLOW DIAGRAM Indoor Unit AWR509CL (x2) AFR509CL (x2) Outdoor Unit AER518DC Outdoor Unit Indoor Unit A Accumulator Wide tube O.D. ø9.52mm Accumulator (3/8 ") Wide tube service valve Indoor Unit B Narrow tube Narrow tube service O.D. valve ø6.35 mm... -
Page 18: Electrical Data
The values in the table below indicate the sum of indoor and outdoor units which are in running condition. Indoor Unit AWR509CL AFR509CL Outdoor Unit AER518DC 230V Single phase 50 Hz 1 - Unit 2 - Units Number of indoor unit... -
Page 19: Electric Wiring Diagrams
7-2 Electric Wiring Diagrams Indoor Unit AWR509CL To avoid electrical shock hazard, be sure to disconnect power before WARNING checking, servicing and/or cleaning any electrical parts... - Page 20 Indoor Unit AFR509CL To avoid electrical shock hazard, be sure to disconnect power before WARNING checking, servicing and/or cleaning any electrical parts...
- Page 21 Outdoor Unit AER518DC To avoid electrical shock hazard, be sure to disconnect power before WARNING checking, servicing and/or cleaning any electrical parts...
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Page 22: Performance Charts
7-3. Performance Charts Indoor Unit AWR509CL (x1) AFR509CL (x1) Outdoor Unit AER518DC Cooling Characteristics Indoor inlet air D.B. temp. (°C) Outdoor inlet air D.B. temp. (°C) Indoor inlet air D.B. temp. (°C) Outdoor inlet air D.B. temp. (°C) NOTE ..Points of Rating condition Black dots in above charts indicate the following rating conditions. -
Page 23: Installation Instruction
8. INSTALLATION INSTRUCTIONS 8-1. Installation Site Selection Tubing length (L) INDOOR Maximum Allowable Tubing Length(L)and Elevation UNIT Difference(H). Less than elevation The Multi-Split System outdoor unit should be installed as difference (H) between OUTDOOR close to the indoor units as possible. - Page 24 Outdoor Unit AVOID: heat sources, exhaust fans, etc. (Fig. 3) damp, humid or uneven locations. Exhaust fan 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.
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Page 25: Remote Control Unit Installation Position
8-2. Remote Control Unit Installation Position The remote control unit can be operated from either a Removable mounting non-fixed position or a wall-mounted position. Wall 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 Special... -
Page 26: Recommended Wire Length And Diameter
(A) Power Supply Wiring Length (m) (B) Power Line Length (m) Fuse or Circuit Area (mm Capacity 2.5 mm 2.5 mm Model AER518DC WIRING SYSTEM DIAGRAM Be sure to comply with local codes on running the WARNING 220–240V Disconnect wire from the indoor unit to... -
Page 27: Function
9. FUNCTION 9-1. 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 28: Dry Operation
9-2. 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 29: Freeze Prevention
9-3. Freeze Prevention This function prevents freezing of the indoor heat exchange coil. When the compressor has been running for 10 minutes or more and the temperature of the indoor heat exchange coil falls below –1°C, the control circuit stops the compressor for at least 6 minutes. The compressor does not start again until the temperature rises above 8°C or 6 minutes has elapsed. -
Page 30: Refrigerant R407C:special Precaution When Servicing Unit
10. REFRIGERANT R407C : SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10-1. Characteristics of new refrigerant R407C 10-1-1. What is new refrigerant R407C R407C is a new refrigerant that contains three types of non-azeotropy-type mixed refrigerant which does not adversely affect the Earth's ozone layer. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 10-1-2. -
Page 31: Tools Specifically For R407C
10-3. Tools specifically for R407C For servicing, use the following tools for R407C Tool Distinction Tool Name • Gauge manifold • Charging hose • Gas leak detector • Refrigerant cylinder • Charging cylinder Tools specifically for R407C • Refrigerant recovery unit •... -
Page 32: In Case Of Compressor Malfunction
10-5. In case of compressor malfunction Should the compressor malfunction, be sure to replace compressor as quickly as CAUTION possible. Use only the tools indicated exclusively for R407C. See "10-3. Tools specifically for R407C". 10-5-1.Procedure for replacing compressor (1) Recovering refrigerant •... - Page 33 (5) Recharging Valve • Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.
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Page 34: In Case Refrigerant Is Leaking
10-6. In case refrigerant is leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant. (1) Detecting Leaks •... - Page 35 (6) Recharging Valve • Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve. The proper amount is listed on the unit's nameplate. When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation.
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Page 36: Charging Additional Refrigerant
10-7. Charging additional refrigerant 10-7-1.When tubes are extended • Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state. Never charge additional refrigerant if refrigerant is leaking from the unit. Follow CAUTION instructions given in "10-6. -
Page 37: Troubleshooting
11. TROUBLESHOOTING 11-1. 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. 11-1-1. Check power supply wiring. Check that power supply wires are correctly Outdoor Unit connected to terminals No.1 and No.2 on the terminal ndoor Unit A... -
Page 38: Air Conditioner Does Not Work
11-2. Air conditioner does not operate. 11-2-1. 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 39 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. Measure resistance of outdoor fan •...
- Page 40 11-2-2. 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. Does not run.
- Page 41 E. Check fuse on the indoor PCB Ass'y. • Measure resistance of indoor and If fuse has been blown, • Check fuse on indoor PCB Ass'y outdoor fan motor winding. for continuity. (FM) • Check operation lamp to see • Measure coil resistance of if light is ON.
- Page 42 11-2-3. 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.
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Page 43: Some Parts Of Air Conditioner Does Not Operate
11-3. Some part of air conditioner does not operate. 11-3-1. 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 44 11-3-3. Only compressor does not run. • Check compressor moter Overload relay is working. (OLR 1 to 4) capacitor. (C2, C3) • Measure resistance of Temperature of compressor is abnormally high. compressor motor winding. Refrigerant gas shortage. Charge refrigerant gas (R407c). •...
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Page 45: Air Conditioner Operates, But Abnormalities Are Observed
11-4. Air conditioner operates, but abnormalities are observed. 11-4-1. 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 46: If A Sensor Is Defective
11-5. If a sensor is defective. 11-5-1. Indoor coil temp. thermistor (TH1) is defective. • Operation lamp on front side of • Thermistor (TH1 ) is defective. indoor unit is flashing on and off. (*) • Replace thermistor. Alarm Signal (*) NOTE Operation lamp on the front side of the indoor unit will flash on and off when the indoor coil thermistor is defective. -
Page 47: Arrangement Of Electrical Components
12. ARRANGEMENT OF ELECTRICAL COMPONENTS Outdoor Unit AER518DC Parts Layout in Unit Heat exchenger coil Compressor A (CMA) Compressor B (CMB) Fan motor Electric Parts Compressor motor capacitor (C3) Compressor motor capacitor (C2 ) Fan motor capacitor C1 Relay B (RB) -
Page 48: Measurement Of Insulation Resistance
13. CHECKING ELECTRICAL COMPONENTS 13-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 2MΩ. 13-1-1. Power Supply Wires Probe Clamp the ground wire of the power supply wires with Insulation tester Fig. -
Page 49: Checking Continuity Of Fuse On Pcb Ass'y
13-2. 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. Check for continuity using a multimeter as shown in Indoor Fig. 6. PCB Ass’y Fig. - Page 50 Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...
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