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Argoclima AER522QC Technical Data & Service Manual

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TECHNICAL DATA & SERVICE MANUAL
Outdoor Unit
Dual System Kit
AER522QC
DKR-5555C
MULTI-SPLIT SYSTEM AIR CONDITIONER
Outdoor Unit
Dual System Kit
AER522QC
DKR-5555C
0.8180.130.0
02/2001

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Summary of Contents for Argoclima AER522QC

  • Page 1 TECHNICAL DATA & SERVICE MANUAL Outdoor Unit Dual System Kit AER522QC DKR-5555C MULTI-SPLIT SYSTEM AIR CONDITIONER Outdoor Unit Dual System Kit AER522QC DKR-5555C 0.8180.130.0 02/2001...

  • Page 2: Please Read Before Starting

    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 UNIT COMBINATION iii i OPERATING RANGE SPECIFICATIONS 2-1 Unit Specification 2-2 Major Component Specifications 2-3 Other Component Specifications DIMENSIONAL DATA REFRIGERANT FLOW DIAGRAM ELECTRICAL DATA 5-1 Electrical Characteristic 5-2 Electric Wiring Diagrams INSTALLATION INSTRUCTION 6-1 Installation Site Selection 6-2 Place and Space for Installation 6-3 Installation with Dual System Kit 6-4 Wiring Instruction...
  • Page 4 11 ARRANGEMENT OF ELECTRICAL COMPONENTS 12 CHECKING ELECTRICAL COMPONENTS 12-1 Measurement of insulation resistance 12-2 Checking motor capacitor...

  • Page 5: Unit Combination

    Combine indoor and outdoor units only as listed below. Dual System Kit Symbol of Outdoor Unit Indoor Unit Refer to (Option) Indoor Unit AWR509CL Fig.1 AWR509CL AWR509CL AER522QC AWR509CL AWR509CL Fig.2 AWR509CL DKR-5555C AWR509CL Indoor Unit Indoor Unit Outdoor Unit Outdoor Unit Dual System Kit 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 Outdoor Unit AER522QC Symbol of indoor unit A , B , C : AWR509CL Power Source 220 – 240 V ~ 50 Hz Cooling Max.Capacity BTU/h 20,000 Indoor unit(s) A + B A + B + C...
  • Page 8 Outdoor Unit AER522QC with DKR-5555C(Option) Symbol of indoor unit A , B , C1 , C2 : AWR509CL Power Source 220 – 240 V ~ 50 Hz Cooling Max.Capacity BTU/h 20000 Indoor unit(s) A + B C1 + C2 A + B + C1 + C2 Capacity 2.85...

  • Page 9: Major Component Specifications

    2-2. Major Component Specifications Outdoor Unit AER522QC Symbol of indoor unit A, B : AWR509CL C : AWR509CL or C1, C2 : AWR509CL Type Rotary (Hermetic) Model name ... Q'ty C-RN80H5A ... 2 (CM1,CM2) Compressor Code No. 80228245-G Nominal output...

  • Page 10: Other Component Specifications

    2-3. Other Component Specifications Outdoor Unit AER522QC Relay (R1, RR2) MCS24A2F1 : AER522QC(R1,2) Coil rating AC 240V Coil resistance kΩ (at 20°C) 15.5 ± 15% Contact rating AC 250V, 5A Power Relay (PR1,PR2) G7L-2A-TUB Coil rating AC 220/230/240V, Single Phase 50Hz Ω...
  • Page 11 Dual System Kit DKR-5555C Relay (R1, R2) MY2-02-US-TS Coil rating AC 240V Ω (at 20°C) Coil resistance 650 ± 15% Contact rating AC 240V, 4.4A Solenoid Valve (SV) (SVC1,C2) NEV-MOAJ503B0 (Coil), NEV202DXF (Valve) Rating AC 240V, 50/60Hz 7/6W, 45/35mA Coil resistance kΩ...

  • Page 12: Dimensional Data

    3. DIMENSIONAL DATA Outdoor Unit AER522QC Air intake Air discharge 4 – ø12 Holes Narrow tube service valve : ø6.35 (1/4") Wide tube service valve : ø9.52 (3/8") Narrow tube service valve : ø6.35 (1/4") Wide tube service valve : ø9.52 (3/8") Narrow tube service valve : ø6.35 (1/4")
  • Page 13 Dual System Kit DKR-5555C Narrow tube service valve Unit C1 : ø6.35 (1/4") Wide tube service valve Unit C1 : ø9.52 (3/8") Narrow tube service valve Unit C2 : ø6.35 (1/4") Wide tube service valve Unit C2 : ø9.52 (3/8") Charge port ø6.35 (1/4") Narrow tube service valve...

  • Page 14: Refrigerant Flow Diagram

    SAP-MC2247G5 3 Indoor Unit's Combination 3 Indoor Unit's Combination Wide tube Outdoor Unit O.D. Wide tube ø9.52mm (AER522QC) Indoor Unit A O.D. (3/8 ") ø9.52mm (AWR509CL) (3/8 ") Indoor Unit C Compressor 2 Compressor 1 (AWR509CL) Accumulator Accumulator Indoor Unit B...
  • Page 15 4 Indoor Unit's Combination with Dual System Kit Wide tube Wide tube O.D. Outdoor Unit Dual System Kit O.D. ø9.52mm ø9.52mm Indoor Unit A (AER522QC) (DKR-5555C) Indoor Unit C1 (3/8 ") (3/8 ") (AWR509CL) (AWR509CL) Compressor 2 Compressor 1 Accumulator...

  • Page 16: Electrical Data

    5-1. Electrical Characteristics NOTE The values in the table below indicate the sum of indoor units which are in running condition. Outdoor Unit AER522QC 230V Single phase 50 Hz 3 - Units 4 - Units Number of indoor unit (A + B + C) (A + B + C1 + C2) Running amp.

  • Page 17: Electric Wiring Diagrams

    5-2. Electric Wiring Diagram Outdoor unit AER522QC...
  • Page 18 Outdoor Unit DKR-5555C...
  • Page 19 ELECTRIC WIRING SYSTEMS AWR509CL AWR509CL or AFR509CL AER522QC AWR509CL or AFR509CL AWR509CL or AFR509CL AER522QC AWR509CL AFR509CL AWR509CL...
  • Page 20 AWR509CL AWR509CL or AFR509CL AER522QC AWR509CL or AFR509CL AWR509CL or AFR509CL DK5555C AWR509CL or AFR509CL AER522QC AWR509CL DK5555C AWR509CL AFR509CL AWR509CL...

  • Page 21: Installation Instruction

    Indoor Unit shipment.(m) refrigerant.*(g/m) A : AWR509CL B : AWR509CL AER522QC C :AWR509CL * If total tubing length becomes between "Max allowable tubing length" and "Limit of tubing length, charge additional refrigerant (R407c). No additional change of compressor oil is necessary.

  • Page 22: Place And Space For Installation

    The unit must be level and be anchored securely to its base with anchor bolts or the like. An unsteady foundation will cause abnormal noise and vibration. Required space around the unit. AER522QC AER522QC Obstacle above Air intake Min. 10 cm...

  • Page 23: Installation With Dual System Kit

    Dual System Kit to the service valves of the outdoor unit as shown below. (Figs. 6-8a ) NOTE The tubing work for Indoor Units A and B have to be carried out after completion of Dual System Kit installation, air purging and a leak test. AER522QC Dual System Kit Connecting pipes Capi box...

  • Page 24: Wiring Instruction

    Space for Dual System Kit AER522QC with DKR-5555C NOTE Min. 25cm When using the Dual System Kit, Air intake Valve be sure to keep a separation of 25 side Min. 25 cm cm as minimum between the air Min. intake of the outdoor unit (rear Min.
  • Page 25 6-4-2. Recommend Wire Length and Size Table 6-3 Power Supply Line Inter Line Length Inter Kit Line Length Model :AER522QC Fuse or Length (A) (C) + (D) Circuit Capacitor Cross-Sectional Aria (mm 2 mm 3.5 mm 2 mm 2 mm...

  • Page 26: Function

    In order to save compressor power, solenoid valve C (SVC), which is used as a bypass valve, opens only when either of indoor unit A or B is operating while it closes when both indoor unit A and B are operating. NOTE Model AER522QC is not provided with solenoid valve C (SVC). (Simultaneously) Indoor...

  • Page 27: Troubleshooting

    8. TROUBLESHOOTING 8-1. 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. 8-1-1. 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 28: Air Conditioner Does Not Operate

    8-2. Air conditioner does not operate. 8-2-1. 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 1MΩ...

  • Page 29: Some Parts Of Air Conditioner Does Not Operate

    8-2-2. Neither indoor nor outdoor unit runs. Power is not supplied. Circuit breaker Reset breaker. is tripped. Check power supply. • Power is being supplied to the outdoor unit. Wait for recovery or contact power Power failure company. 8-2-3. Only outdoor unit does not run. Check power relay in outdoor unit.
  • Page 30 8-3-2. Only compressor does not run. Check compressor motor • Overload relay is working. capacitor. (C2,C3 or C3,C4) (OLR 1 to 4) Measure resistance of • Temperature of compressor is compressor motor winding. abnormally high. Refrigerant gas shortage. Charge refrigerant gas (R407C). Rotor may be locked up.

  • Page 31: Air Conditioner Operates, But Abnormalities Are Observed

    8-4. Air conditioner operates, but abnormalities are observed. 8-4-1. Indoor unit operates, but there is no cooling. Check solenoid valve in outdoor unit. Measure coil resistance of solenoid valve (SVA , SVB) 8-4-2. Poor cooling. Check position of remote control unit. •...

  • Page 32: Excessive Cooling

    8-4-3. Excessive cooling. Set temperature to higher value using Set temperature is suitable. temperature setting • buttons of the remote control unit. • Remote control unit is placed Change position of where it can detect room remote control unit. temperature properly.

  • Page 33: Special Precautions When Servicing The Unit

    9. SPECIAL PRECAUTIONS WHEN SERVICING THE UNIT Model : AER522QC IMPORTANT! For your personal safety, be sure to read and understand the following precautions before servicing. WARNING Injuries can occur from burns or inhalation of toxic gas if servicing is performed while refrigerant remains in the refrigeration circuit.

  • Page 34: Refrigerant Recovery

    9-2. Refrigerant recovery 9-2-1. Open the service valve to recover refrigerant into refrigerant recovery unit. CAUTION Refrigerant released into the air contributes to destruction of our planet's ozone layer. You should always use the refrigerant recovery unit to help protect the environment. 9-3.

  • Page 35: Refrigerant Charging

    Unit C Open 9-5-3. Purge air from the hose. Do this by opening the Hex wrench charging cylinder valve, then slightly loosening the connection to the narrow tube service valve. Wait AER522QC a few moments, then retighten the connection. Fig.9-3...

  • Page 36: Reattaching Green Connectors For Operation

    9-5-4. With a hex wrench, open the service valve little by little to let liquid refrigerant enter the circuit. (Figs.9-3) NOTE Write down the gradation levels on the charging cylinder before and after the charging. This allows you to calculate the charging volume. Gradation Gradation Charging...
  • Page 37 Service Valve Construction Wide Tube Narrow Tube Valve Position -a- Valve cap O-ring The valve stems of both the wide and narrow tubes Stem are turned all the way in. The unit is shipped from the factory in this position. (Fig.9-5a) Valve Position -b- The valve stems of both the wide and narrow tubes are turned all the way out ("BACK SEAT"...

  • Page 38: Characteristics Of New Refrigerant R407C

    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 39: 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 40: 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 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 Of Refrigerant 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 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

    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 45: Arrangement Of Electrical Components

    11.ARRANGEMENT OF ELECTRICAL COMPONENTS Outdoor Unit AER522QC Electric Parts Compressor motor capacitor (C3) Compressor motor capacitor (C2) Fan motor capacitor (C1) Overload relay (OLR3) Overload relay (OLR1) Timer (T) Relay (R2) Power relay (PR2) Power relay (PR1) Relay (R1) Terminal Plate (12P)

  • Page 46: Electric Parts

    Dual System Kit DKR-5555C Terminal Plate Terminal Plate 3 (4P) (To Indoor Unit C2) Terminal Plate 2 (4P) (To Indoor Unit C1) Terminal Plate 1 (5P) (To Outdoor Unit) Electric Parts PCB Ass'y Solenoid coil (SVC 1) Solenoid coil (SVC 2)

  • Page 47: Checking Electrical Components 12-1 Measurement Of Insulation Resistance

    12. CHECKING ELECTRICAL COMPONENTS 12-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 1MΩ. Probe 12-1-1. Power Supply Wires Insulation Fig.12-1 tester 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 48: Checking Motor Capacitor

    12-2. Checking Motor Capacitor Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig.12-5. Observe the deflection of the pointer, setting the resistance measuring range of the Multimeter multimeter to the maximum value. The capacitor is “good”...
  • Page 49 Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...

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