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goClima AWR518CL Technical Data & Service Manual

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TECHNICAL DATA & SERVICE MANUAL
Indoor Unit
Outdoor Unit
AWR518CL
AER518SC
FCR518CL
AE522SC
SPLIT SYSTEM AIR CONDITIONER
AER518SC
FCR518CL
AWR518CL
0.8180.218.0
07/2001

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  • Page 1 TECHNICAL DATA & SERVICE MANUAL Indoor Unit Outdoor Unit AWR518CL AER518SC FCR518CL AE522SC SPLIT SYSTEM AIR CONDITIONER AER518SC FCR518CL AWR518CL 0.8180.218.0 07/2001...

  • 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 OPERATING RANGE SPECIFICATIONS Unit Specification Major Component Specifications Other Component Specifications DIMENSIONAL DATA REFRIGERANT FLOW DIAGRAM PERFORMANCE DATA 5-1 Performance Charts 5-2 Air Throw Distance Chart 5-3 Cooling Capacity ELECTRICAL DATA 6-1 Electrical Characteristic 6-2 Electric Wiring Diagrams INSTALLATION INSTRUCTIONS 7-1 Installation Site Selection 7-2 Remote Control Unit Installation Position...
  • Page 4 CHECKING ELECTRICAL COMPONENTS 11-1 Measurements of insulation resistance 11-2 Checking continuity of fuse on PCB ass’y 11-3 Checking motor capacitor DISASSEMBLY PROCEDURE FOR INDOOR UNIT 12-1 Removing air intake grille 12-2 Removing side panels 12-3 Access and removal of electrical components box 12-4 Removing flap motor 12-5...

  • Page 5: 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 6: Specifications

    2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit AWR518CL Outdoor Unit AER518SC Power Source 230 V Single phase 50Hz Voltage rating Cooling 4.80 Capacity BTU/h 16400 Air circulation (High) Moisture removal (High) Liters/h Available voltage range 198 to 264 Running amperes...
  • Page 7 Indoor Unit FCR518CL Outdoor Unit AER518SC Power Source 230 V Single phase 50Hz Voltage rating Cooling 4.80 Capacity BTU/h 16400 Air circulation (High) Moisture removal (High) Liters/h Available voltage range 198 to 264 Running amperes Power input 1950 Power factor C.O.P.

  • Page 8: Major Component Specifications

    2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit AWR518CL Part No. POW – K188E Controls Microprocessor Control circuit fuse 250 V – 3.15 A Remote Control Unit RCS – 8PS3E Type Cross-flow Q´ty ... Dia. and length 1 ... ø88 / L746 Fan motor model ...
  • Page 9 Indoor Unit FCR518CL Part No. POW–K185GS–N Controls Microprocessor Control circuit fuse 250 V – 3 A Remote Control Unit RCS – 5PN3E Type Centrifugal Number ... Dia. and length 2 ... ø 130 / L 180 Fan motor model ... Number K48410–M01417 ...
  • Page 10 Outdoor Unit AER518SC Controller PCB — Type Rotary (Hermetic) Compressor model C – 2RN150H5W 80805045 Nominal output 1500 Compressor oil ... Amount DAPHNE FV68S ... 750 Ω Coil resistance (Ambient temp. 25°C) C – R : 1.42 C – S : 4.12 Type Internal protector Overload relay...

  • Page 11: Other Component Specifications

    2-3. Other Component Specifications Indoor Unit AWR518CL Transformer (TR) ATR-J105 Rating Primary AC 230V, 50 / 60 Hz 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.
  • Page 12 Outdoor Unit AER518SC Power Relay G7L-2A-TUB Coil rating AC 200 – 240V, 50/60Hz Coil resistance kΩ (at 23°C) ( 21 ± 15% ) Contact rating AC 220V, 25A Thermostat (Fan Speed Control 23S) MQT5S-27YZJ 23.5°C +0 high Switching temp. °C –2.5 27.0°C +0 HIGH...

  • Page 13: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit AWR518CL Remote control unit 18.5 147.5 147.5 Center of tubing hole (2 places) Drain hose ø18 Narrow tube ø6.35 (1/4") Wide tube ø12.7 (1/2") KR188E Unit : mm...
  • Page 14 Indoor Unit FCR518CL Center of tubing hole ø75 (4 places) Wide tube ø12.7 (1/2") FCR518CL Narrow tube ø6.35 (1/4") Drain hose ø26 18.5 Dimensions : mm...
  • Page 15 Outdoor Unit AER518SC Air intake 4 – ø12 holes Air discharge Wide tube service valve ø12.7 (1/2") Narrow tube service valve ø6.35 (1/4") Unit : mm...

  • Page 16: Refrigerant Flow Diagram

    4. REFRIGERANT FLOW DIAGRAM Indoor Unit AWR518CL Outdoor Unit AER518SC FCR518CL Indoor Unit Outdoor Unit Wide tube service Compressor Accumulator Wide tube valve O.D. ø12.7 mm (1/2 ") Narrow tube service Narrow tube valve Capillary tube Strainer O.D. ø6.35 mm (1/4")

  • Page 17: Performance Data

    5. PERFORMANCE DATA 5-1. Performance charts Indoor Unit AWR518CL Outdoor Unit AER518SC Cooling Characteristics Indoor inlet air D.B. temp. (°C) Outdoor fan speed High Outdoor inlet air D.B. temp. (°C) Indoor inlet air 1.18 (11) D.B. temp. (°C) Outdoor 1.08 (10)

  • Page 18: Air Throw Distance Chart

    5-2. Air Throw Distance Chart Indoor Unit AWR518CL 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 19 AIR FLOW CHART Indoor Unit FCR518CL Room air temp. : 27°C Fan speed High Floor mounted Axis air verocity Flap angle 60° 45° Horizontal distance (m) Ceiling mounted Horizontal distance (m) Axis air verocity Flap angle 30° 45°...

  • Page 20: Cooling Capacity

    5-3. Cooling Capacity Indoor Unit AWR518CL Outdoor Unit AER518SC RATING CAPACITY 4.8 kW AIR FLOW RATE 760 m³/h EVAPORATOR CONDENSER ENT.TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 4.55 4.41 4.21 3.94 3.64 1.61 1.71 1.84 2.02 2.20 3.12 3.06 2.95...
  • Page 21 Indoor Unit FCR518CL Outdoor Unit AER518SC RATING CAPACITY 4.8 kW AIR FLOW RATE 760 m³/h EVAPORATOR CONDENSER ENT.TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 4.55 4.41 4.21 3.94 3.64 1.61 1.71 1.84 2.02 2.20 3.12 3.06 2.95 2.83 2.68 3.54 3.46 3.36...

  • Page 22: Electrical Data

    6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit AWR518CL Outdoor Unit AER518SC Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230V Single phase 50Hz Rating Conditions Running Amps. 0.37 0.50 8.23 Power Input 0.070 0.093 1.78...

  • Page 23: Electric Wiring Diagrams

    6-2 Electric Wiring Diagrams Indoor Unit AER518CL To avoid electrical shock hazard, be Outdoor Unit AER518SC sure to disconnect power before WARNING checking, servicing and/or cleaning any electrical parts...
  • Page 24 Indoor Unit FCR518CL To avoid electrical shock hazard, be sure to disconnect power before WARNING checking, servicing and/or cleaning any electrical parts...

  • Page 25: 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 26 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 27: Remote Control Unit Installation Position

    7-2. Remote Control Unit Installation Removable mounting Position Wall 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: Special mounting In direct sunlight...

  • Page 28: Recommended Wire Length And Diameter

    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" and "B" in Table 2. regulations when carrying out the installation.

  • Page 29: 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 30: 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 31: 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 A°C, the fan speed switches to LOW. If the outdoor air temperature rises above B°C, the fan speed switches to HIGH. Outdoor air temperature (°C) Outdoor fan...

  • Page 32: Refrigerant R407C:special Precaution When Servicing Unit

    9. REFRIGERANT R407C : SPECIAL PRECAUTIONS WHEN SERVICING UNIT 9-1. Characteristics of new refrigerant R407C 9-1-1. 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 9-1-2.

  • Page 33: Tools Specifically For R407C

    9-3. 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 34: In Case Of Compressor Malfunction

    9-5. 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 "9-3. Tools specifically for R407C". 9-5-1.Procedure for replacing compressor (1) Recovering refrigerant •...
  • Page 35 (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 36: In Case Refrigerant Is Leaking

    9-6. 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 37 (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 38: Charging Additional Refrigerant

    9-7. Charging additional refrigerant 9-7-1.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 "9-6.

  • Page 39: Troubleshooting

    10. TROUBLESHOOTING 10-1. 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. 10-1-1. Check power supply wiring. Check that power supply wires are correctly connected to terminals L and N on the terminal plate in the outdoor unit.

  • Page 40: Air Conditioner Does Not Operate

    10-2. Air conditioner does not operate. 10-2-1. 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 41 10-2-2. 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 42 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 43 10-2-3. 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 44: Some Part Of Air Conditioner Does Not Operate

    10-3. Some part of air conditioner does not operate. 10-3-1. 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 45 10-3-3. Only compressor does not run. • Either internal protector or • Check compressor motor overload relay is working. capacitor. (C3) (Either OLR or 49C) • Measure resistance of • Temperature of compressor is abnormally high. compressor motor winding. Refrigerant gas shortage. Charge refrigerant gas (R407c).

  • Page 46: Poor Cooling

    10-4. Air conditioner operates, but abnormalities are observed. 10-4-1. 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 47: If A Sensor Is Defective

    10-5. If a sensor is defective. 10-5-1. Indoor coil temp. thermistor (TH1) is defective. A. Open When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low indoor coil temperature. In Cooling mode: Function of freeze prevention continues to work. That is, the controller turns both compressor and outdoor fan motor periodically ON and OFF for several minutes.

  • Page 48: Checking Electrical Components

    11. CHECKING ELECTRICAL COMPONENTS 11-1. Measurement of Insulation Ground wire Resistance Clip The insulation is in good condition if the resistance exceeds 2MΩ. Probe 11-1-1. 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 Terminal plate measure the resistance by placing a probe on either of...

  • Page 49: Checking Continuity Of Fuse On Pcb Ass'y

    11-2. 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.

  • Page 50: Checking Motor Capacitor

    12. DISASSEMBLY PROCEDURE FOR INDOOR UNIT IMPORTANT! Please Read Before Starting Safety precautions for servicing the CEILING-MOUNTED indoor unit Before attempting to replace heavy and bulky parts such as the evaporator and fan motor, disconnect the indoor unit from the system and place it on the floor. Refer to the steps given below. When checking or servicing the air intake grille, side panels, or electrical component box, first check that power is completely disconnected.

  • Page 51: Removing Side Panels

    12-2. Removing Side Panels Hook (1) Remove the 3 screws attaching the left side panel. (Fig. 3) Slot (2) Note the position of the hook on the inside of the left side panel. To disengage the hook from the slot, Hook slide down the panel for removal.

  • Page 52: Removing Flap Motor

    12-4. Removing Flap Motor (1) Remove the 3 screws used to mount the top panel. Screw (Fig. 6) Top panel (2) While unlatching the 2 tabs inside the back of the top panel, lift the top panel diagonally in the direction of the arrow.(Fig.
  • Page 53 (3) Remove the 6 screws of the front panel and pull it toward you. (Fig. 9) (4) Remove the 2 screws used to mount the Screw evaporator. (Fig. 10) (5) Remove the rubber cap to pull the thermistor out of Front panel the evaporator.

  • Page 54: Removing Fan And Fan Motor

    12-6. Removing Fan and Fan Motor (1) Unlatch the 2 hooks on each side to take off the front fan casing. (Fig. 12) Hook Front fan casing Hook Fig.12 (2) Remove the 2 screws attaching the rear fan casing and then pull the fan casing out. Rear fan casing Fig.13 (3) Insert a hex wrench in the fan boss and turn it...
  • Page 55 Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...

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