Argoclima Euro-Line AER518DH Technical Data And Service Manual
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Argoclima Euro-Line AER518DH Technical Data And Service Manual

Multi-split system air conditioner
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TECHNICAL DATA & SERVICE MANUAL
Outdoor Unit
AER518DH
MULTI-SPLIT SYSTEM AIR CONDITIONER
Indoor Unit
AWR509DHL (X2)
AFR509DHL (X2)
Indoor Unit
AWR509DHL
AFR509DHL
0.8180.141.0
03/2001
Outdoor Unit
AER518DH

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Summary of Contents for Argoclima Euro-Line AER518DH

  • Page 1 TECHNICAL DATA & SERVICE MANUAL Outdoor Unit Indoor Unit AER518DH AWR509DHL (X2) AFR509DHL (X2) MULTI-SPLIT SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit AWR509DHL AER518DH AFR509DHL 0.8180.141.0 03/2001...

  • Page 2: Special Precautions

    IMPORTANT! Please Read Before Starting When Installing… This air conditioning system meets strict safety and operat- ing standards. As the installer or service person, it is an …In a Ceiling or Wall important part of your job to install or service the system Make sure the ceiling/wall is strong enough to hold the so it operates safely and efficiently.

  • Page 3: Table Of Contents

    Table of Contents Page Unit combination OPERATING RANGE SPECIFICATIONS Unit Specification Major Component Specifications Other Component Specifications DIMENSIONAL DATA COOLING CAPACITY HEATING CAPACITY AIR THROW DISTANCE CHART REFRIGERANT FLOW DIAGRAM ELECTRICAL DATA Electrical Characteristic Electric Wiring Diagrams INSTALLATION INSTRUCTION Installation Site Selection Remote Control Unit Installation Position Recommended Wire Length and Diameter FUNCTION...
  • Page 4 ARRANGEMENT OF ELECTRICAL COMPONENTS CHECKING ELECTRICAL COMPONENTS 14-1 Measurement of insulation Resistance 14-2 Checking Continuity of Fuse on PCB Ass’y 14-3 Checking Motor Capacitor APPENDIX INSTRUCTION MANUAL...

  • Page 5: Unit Combination

    Unit Combination Combine indoor and outdoor units only as listed below. Symbol of Outdoor Unit Indoor Unit Refer to Indoor Unit AWR/AFR509DHL AER518DH Fig.1 AWR/AFR509DHL 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 DB / 23°C WB 43°C DB Cooling Minimum 19°C DB / 14°C WB 19°C DB Maximum 27°C DB 24°C DB / 18°C WB Heating Minimum 16°C DB –...

  • Page 7: Specifications

    2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit AWR509DHL Outdoor Unit AER518DH No. of indoor units. 1-unit Power Source 220 – 240 V ~ 50 Hz Cooling Heating 2.55 3.15 Capacity BTU/h 8,900 11,100 Air circulation (High) Moisture removal (High) Liters/h —...
  • Page 8 Indoor Unit AFR509DHL Outdoor Unit AER518DH No. of indoor units. 1-unit Power Source 220 – 240 V ~ 50 Hz Cooling Heating 2.55 3.15 Capacity BTU/h 8,900 11,100 Air circulation (High) Moisture removal (High) Liters/h 1.3— Voltage rating Available voltage range 198 to 264 Running amperes Power input...
  • Page 9 Indoor Unit AWR509DHL Outdoor Unit AER518DH No. of indoor units. 2-unit Power Source 220 – 240 V ~ 50 Hz Cooling Heating 4.70 6.30 Capacity BTU/h 17100 21500 Air circulation (High) 470 x 2 Moisture removal (High) Liters/h 1.0 x 2 —...
  • Page 10 Indoor Unit AFR509DHL Outdoor Unit AER518DH No. of indoor units. 2-unit Power Source 220 – 240 V ~ 50 Hz Cooling Heating 4.70 6.30 Capacity BTU/h 17100 21500 Air circulation (High) 370x 2 Moisture removal (High) Liters/h — Voltage rating Available voltage range 198 to 264 Running amperes...

  • Page 11: Major Component Specifications

    2-2. Major Component Specifications Indoor Unit AWR509DHL Part No. POW–KM98EH(A) - POW-K8EH(B) Controls Microprocessor Control circuit fuse 250 V – 3.15 A Remote Control Unit RCS–8MHPN3E Type Cross–flow Number ... Dia. and length 1 ... ø95 / L617 Fan motor model ... Number KFV4Q–11H5P -S...
  • Page 12 Indoor Unit AFR509DHL Controller Part No. POW-KM98EH(A) - POW-K8EH(B Controls Microprocessor Control circuit fuse 250 V 3 A Remote Control Unit RCS-8MHPN3E Fan & Fan Motor Type Cross-flow Q'ty ... Dia. and length 1 ... ø100/C410 Fan motor model ... Q'ty KR35406M01527 ...
  • Page 13 outdoor Unit AER518DH Controller PCB POW–C186CMH Control circuit fuse 250 V– 3 A Type Rotary (Hermetic) Compressor model ... Number C–RN95H5A ... 2 / 80230035B ... 2 Nominal output 950 x 2 Compressor oil ... Amount DAPHNE-FV68S ... 470 x 2 Ω...

  • Page 14: Other Component Specifications

    2-3. Other Component Specifications Indoor Unit AWR509DHL Transformer (TR) ATR-J105 Rating Primary AC 230V, 50Hz Secondary 19V, 0.526A Capacity 10VA Ω (at 21°C) Coil resistance Primary (WHT – WHT): 205 ± 10% Secondary (BRN – BRN): 2.0 ± 10% Thermal cut-off temp. 150°C Thermistor (Coil sensor ) DNT-TK5131B...
  • Page 15 Indoor Unit AFR509DHL Thermistor (Room sensor TH2) DHKTEC-35-S6N Resistance kΩ -20°C 10 ± 5% -10° 7.9 ± 5% -20°C 6.3 ± 5% -10°C 5.0 ± 5% Thermistor (Coil sensor TH1) DHPBC-41ES-14N Resistance kΩ –20°C 40.1 ± 5% –10°C 24.4 ± 5% 0°C 15.3 ±...

  • Page 16: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit AWR509DHL Drain hose ø18 Remote control unit 18.5 99.5 58.5 Center of tubing Narrow tube ø6.35 (1/4") hole (2 places) Wide tube ø9.52 (3/8") ... AWR509DHL Unit : mm...
  • Page 17 Outdoor Unit AER518DH 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") 3 Check Port Dimensions : mm...

  • Page 18: Cooling Capacity

    4. COOLING CAPACITY AWR509DHL AFR509DHL Indoor Unit AER518DH Outoor Unit 230V 50 Hz RATING CAPACITY 2.55 kW AIR FLOW RATE 430 m³/h @ 370m³/h EVAPORATOR CONDENSER ENT.TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 2.42 2.34 2.23 2.10 1.93 0.82 0.88 0.95 1.04...

  • Page 19: Heating Capacity

    5. HEATING CAPACITY Indoor Unit AWR509DHL AFR508DHL Outdoor Unit AER509DH –8 –5 Outdoor temperature (°C DB) NOTE … Point of Rating condition Black dot in the chart indicate the following rating condition. Indoor : 20°C DB Outdoor : 7°C DB / 6°C WB 2) Above characteristics indicate instantaneous operation, which does not take into consideration defrost operation.

  • Page 20: Air Throw Distance Chart

    6. AIR THROW DISTANCE CHART Indoor Unit AWR509DHL Cooling Room air temp. : 27°C Fan speed High Horizontal distance (m) Axis air velocity 0° Flap angle 30° Heating Room air temp. : 20°C Fan speed High Horizontal distance (m) Axis air velocity 45°...

  • Page 21: Refrigerant Flow Diagram

    7. REFRIGERANT FLOW DIAGRAM Indoor Unit AWR509DHL AFR509DHL Outdoor Unit AER518DH Cooling cycle Indoor Unit A Compressor A Wide tube Accumulator O.D. 9.52mm (3/8") 4 – Way Muffler valve Check Narrow tube port O. D. 6.35mm Check valve Drier (1/4") Strainer Indoor Unit B Accumulator Compressor B...

  • Page 22: Insulation Of Refrigerant Tubing

    Heating cycle Indoor Unit A Compressor A Wide tube Accumulator O.D. 9.52mm (3/8") 4 –Way Muffler valve Check Narrow tube port O.D. 6.35mm Check valve Drier (1/4") Strainer Capillary tube Indoor Unit B Compressor B Wide tube Accumulator O.D. 9.52mm (3/8") 4 –Way Muffler...

  • Page 23: Electrical Data

    8. ELECTRICAL DATA 8-1. Electrical Characteristics NOTE The values in the table below indicate the sum of indoor and outdoor units which are in running condition. Indoor Unit AWR509DHL AFR509DHL Outdoor Unit AER518DH Cooling 230V Single phase 50 Hz 1 - Unit 2 - Units Number of indoor unit (Either A or B)

  • Page 24: Electric Wiring Diagrams

    8-2. Electric Wiring Diagram Indoor Unit AWR509DHL...
  • Page 25 Indoor Unit AFR509DHL...
  • Page 26 Outdoor Unit AER518DH...

  • Page 27: Installation Instruction

    9. INSTALLATION INSTRUCTIONS           9-1. 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 28 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.

  • Page 29: Remote Control Unit Installation Position

    9-2. 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 More than 8 m away from the air conditioner...

  • Page 30: Recommended Wire Length And Diameter

    9-3. Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regula- tions when carrying out the installation. Table 2 lists recommended wire lengths and size for power supply systems.

  • Page 31: Function

    10.FUNCTION 10-1. Room Temperature Control Cooling 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 32 Heating 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 33: Dry Operation

    10-2. 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 34: Freeze Prevention

    10-3. Freeze Prevention (Cooling) 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 35: Cold Draft Prevention

    10-5. Cold draft Prevention (Heating) This function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coil have sufficiently warmed up. STANDBY lamp on front of the indoor unit lights up when the indoor fan speed is either LL or OFF. 35°C Indoor heat exch.

  • Page 36: Defrosting Operation

    10-6. Defrosting Operation (Heating) Defrosting Flowchart. * Split System A: Indoor unit A Split System A (or B) Split System B (or A) Compressor A Solenoid coil A * Split System B: Indoor unit B Compressor B Heating operation Heating operation Solenoid coil B 20 minutes masking 6 minutes masking...
  • Page 37 Defrosting Mode Timing Chart Start of defrosting Release of defrosting Defrosting 13.5 min. or outdoor coil temp. 26°C 65 sec. 65 sec. Compressor A 5 sec. 5 sec. 5 sec. Compressor B 1 min. 4-way valve A and B Outdoor fan 30 sec.

  • Page 38: Refrigerant R407C:special Precaution When Servicing Unit

    11. REFRIGERANT R407C : SPECIAL PRECAUTIONS WHEN SERVICING UNIT 11-1. Characteristics of new refrigerant R407C 11-1-1. 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 11-1-2.
  • Page 39 11-3. 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 40: In Case Of Compressor Malfunction

    11-5. 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". 11-5-1.Procedure for replacing compressor (1) Recovering refrigerant •...
  • Page 41 (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.

  • Page 42: In Case Refrigerant Is Leaking

    11-6. 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 43 (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.

  • Page 44: Charging Additional Refrigerant

    11-7. Charging additional refrigerant 11-7-1.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 "11-6.

  • Page 45: Troubleshooting

    12.TROUBLESHOOTING 12-1. 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. 12-1-1.Check power supply wiring. Outdoor Check that power supply wires are correctly connect- unit ed to terminals No.1 and No.2 on the 3p terminal Power supply:...

  • Page 46: Air Conditioner Does Not Operate

    12-2. Air conditioner does not operate. 12-2-1.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 or less, insulation is defective (“NO”). Set circuit breaker to OFF.
  • Page 47 12-2-2.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 "OPERATION selector" switch in the indoor unit. Switch Ass'y or indoor PCB Ass'y •...
  • Page 48 D. 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. (FMI) • Check operation lamp to see • Measure resistance of flap motor if light is ON.
  • Page 49 12-2-3.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 cooler. temperature setting button warmer.

  • Page 50: Some Part Of Air Conditioner Does Not Operate

    12-3. Some part of air conditioner does not operate. 12-3-1.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 51: Only Compressor Does Not Run

    12-3-4.Only compressor does not run. Check compressor motor • Overload relay is working. Measure coil resistance of capacitor. power relay. (PRA,PRB) (CA,CB) (OLR 1 to 4) Measure resistance of Temperature of compressor is • compressor motor winding. abnormally high. Refrigerant gas shortage. Charge refrigerant gas (R407c).

  • Page 52: Air Conditioner Operates, But Abnormalities Are Observed

    12-4. Air conditioner operates, but abnormalities are observed. 12-4-1.Operation does not switch from HEAT to COOL (or COOL to HEAT). • Remote control unit may be defective. Receiver in switch Ass'y may be defective. • Measure resistance of 4–way valve's winding.
  • Page 53 12-4-2.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. • Wide and narrow tubes between Insulate both wide and narrow indoor unit and outdoor unit are tubes separately and then insulated.

  • Page 54: If A Sensor Is Defective

    12-5. If a sensor is defective. 12-5-1.Indoor coil temp. thermistor (TH1) is defective. • Operation lamp on front side of • Thermistor (TH1 ) is defective. indoor unit is flashing on and off. (*) (That is, sensor is SHORT.) • Replace thermistor. •...

  • Page 55: Arrangement Of Electrical Component

    13. ARRANGEMENT OF ELECTRICAL COMPONENT Outdoor Unit AER518DH...

  • Page 56: Checking Electrical Components

    14. CHECKING ELECTRICAL COMPONENTS 14-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 2MΩ. Probe 14-1-1. Power Supply Wires Insulation Fig. 1 tester Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and mea- Terminal plate sure the resistance by placing a probe on either of the...

  • Page 57: Checking Motor Capacitor

    14-2. Checking continuity of Fuse on PCB Ass'y Fuse Check for continuity using a multimeter as shown in Fig. 6. Indoor NOTE PCB Ass’y Method Used to Replace Fuse on PCB Ass'y Fig. 5a — Indoor PCB Ass'y — 1. Remove the PCB Ass'y from the electrical compo Soldering iron nent box 2.
  • Page 58 Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...

This manual is also suitable for:

Euro-line afr509dhl (x2)Euro-line awr509dhl (x2)

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