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Euro-Line FC512CL Technical And Service Manual

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7(&+1,&$/
FC512CL
FC512CL
63/,7 6<67(0 $,5 &21',7,21(5
6(59,&( 0$18$/
- AE512SC
- AE512SCL
0.8180.029.0
05/99

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Summary of Contents for Euro-Line FC512CL

  • Page 1 7(&+1,&$/ 6(59,&( 0$18$/ FC512CL - AE512SC FC512CL - AE512SCL 63/,7 6<67(0 $,5 &21',7,21(5 0.8180.029.0 05/99...

  • 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 1. OPERATING RANGE ..........................1 2. SPECIFICATIONS 2-1. Unit Specifications .......................... 2 2-2. Major Component Specifications....................4 2-3. Other Component Specifications....................7 3. DIMENSIONAL DATA..........................9 4. REFRIGERANT FLOW DIAGRAM ......................12 5. PERFORMANCE DATA 5-1. Performance charts ........................13 5-2.

  • Page 4: Operating Range

    1. OPERATING RANGE For COOLING ONLY model : AE512SC 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. For LOW AMBIENT cooling model : AE512SCL Temperature Indoor Air Intake Temp.

  • Page 5: Specifications

    2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit FC512CL Outdoor Unit AE512SC Power Source 220–240V ~ 50Hz Voltage rating 220/230/240 V Performance Cooling Capacity 3.45 3.50 3.50 BTU/h 11,800 11,900 11,900 Air circulation (High) Moisture removal (High) Liters/h Electrical Rating Cooling...
  • Page 6 Indoor Unit FC512CL Outdoor Unit AE512SCL Power Source 220–240V ~ 50Hz Voltage rating 220/230/240 V Performance Cooling Capacity 3.45 3.50 3.50 BTU/h 11,800 11,900 11,900 Air circulation (High) Moisture removal (High) Liters/h Electrical Rating Cooling Available voltage range 198 ~ 264...

  • Page 7: Major Component Specifications

    2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit FC512CL Controller PCB Part No. POW-K185GS-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 2 ... ø130 / L180 Fan motor model ...

  • Page 8: Outdoor Unit

    2-2-2. Outdoor Unit Outdoor Unit AE512SC Compressor Type Rotary (Hermetic) Compressor model C-R110H5H 80619445-S Nominal output 1,100 Compressor oil ... Amount SUNISO 4GSD-T ... 550 Ω Coil resistance (Ambient temp. 25°C) C–R : 1.962 C–S : 5.38 Safety devices Type External(OLR A) External(OLR T) Overload relay...
  • Page 9 Outdoor Unit AE512SCL Controller PCB Part No. POW-CL128E Control circuit fuse 250 V 3.15 A Compressor Type Rotary (Hermetic) Compressor model C-R110H5H 80619445-S Nominal output 1,100 Compressor oil ... Amount SUNISO 4GSD-T ... 550 Ω Coil resistance (Ambient temp. 25°C) C–R : 1.962 C–S : 5.38 Safety devices...

  • Page 10: Other Component Specifications

    2-3. Other Component Specifications Indoor Unit FC512CL Thermistor (Room sensor TH2) KTEC-35-S6 Resistance kΩ 10°C 10.0 ± 4% 30°C 4.0 ± 4% 15°C 7.9 ± 4% 35°C 3.3 ± 4% 20°C 6.3 ± 4% 40°C 2.7 ± 4% 25°C 5.0 ± 4% 50°C 1.8 ±...
  • Page 11 Outdoor Unit AE512SCL Transformer (TR2) ATR-J65 Rating Primary AC 230V, 50Hz Secondary 19V, 0.315A Capacity Ω (at 22°C) Coil resistance Primary (WHT – WHT): 455 ± 10% Secondary (BRN – BRN): 2.85 ± 10% Thermal cut-off temp. 145°C Power Relay (PR) G7L-2A-TUB Coil rating AC 200 –...

  • Page 12: Dimensional Data

    3. DIMENSIONAL DATA Indoor Unit FC512CL Center of tubing hole Remote control unit ø75 (4 places) Wide tube ø12.7 (1/2") Narrow tube ø6.35 (1/4") Drain hose ø26 18.5 Unit : mm...
  • Page 13 Outdoor Unit AE512SC Air intake Air discharge Wide tube service valve 4 – ø12 holes ø12.7 (1/2") Narrow tube service valve 4 – ø3.3 holes ø6.35 (1/4") Unit : mm...
  • Page 14 Outdoor Unit : AE512SCL Air intake Wide tube service valve ø12.7 (1/2") Air discharge 4 – ø12 holes Narrow tube service valve ø6.35 (1/4") 4 – ø3.3 holes Check port ø6.35 (1/4") Unit : mm...

  • Page 15: Refrigerant Flow Diagram

    4. REFRIGERANT FLOW DIAGRAM Indoor Unit FC512CL Outdoor Unit AE512SC or AE512SCL Indoor Unit Outdoor Unit Wide tube service Compressor Accumulator valve Wide tube O.D. ø12.7 mm (1/2 ") Condenser Evaporator Narrow tube service Narrow tube valve Strainer Capillary tube O.D.

  • Page 16: Performance Data

    5. PERFORMANCE DATA 5-1. Performance charts Indoor Unit FC512CL Outdoor Unit AE512CL or AE512SCL ■ 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 ..

  • Page 17: Air Throw Distance Chart

    5-2. Air Throw Distance Chart Indoor Unit FC512CL 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 18: Cooling Capacity

    5-3. Cooling Capacity Indoor Unit FC512CL Outdoor Unit AE512SC or AE512SCL 240V Single Phase 50Hz RATING CAPACITY 3.50 kW AIR FLOW RATE 700 m EVAPORATOR CONDENSER ENT. TEMP. °C OUTDOOR AMBIENT TEMP. °C W.B. D.B. 3.53 3.37 3.22 3.07 2.88 2.65...

  • Page 19: Electrical Data

    6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit FC512CL Outdoor Unit AE512SC Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 220 – 240V ~ 50Hz Rating Conditions Running Amps. 0.28 / 0.29 0.30 / 0.32 Power Input kW 0.060 / 0.070...

  • Page 20: Electric Wiring Diagrams

    6-2. Electric Wiring Diagrams To avoid electrical shock hazard, be sure to Indoor Unit FC512CL disconnect power before checking, servicing WARNING and/or cleaning any electrical parts.
  • Page 21 To avoid electrical shock hazard, be sure to Outdoor Unit AE512SC disconnect power before checking, servicing WARNING and/or cleaning any electrical parts.
  • Page 22 To avoid electrical shock hazard, be sure to Outdoor Unit AE512SCL disconnect power before checking, servicing WARNING and/or cleaning any electrical parts.

  • Page 23: Function

    7. FUNCTION 7-1. 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 24: Freeze Prevention

    7-2. 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 25: Outdoor Fan Speed Control

    7-3. Outdoor Fan Speed Control (for model AE512SCL) Low ambient fan speed control This function protects the compressor from being damaged due to flowback of the liquid refrigerant to the compressor when the outdoor temperature is very low. When the air temp. thermistor (TH) on the outdoor unit detects a change in temperature, the controller (POW- CL128E) on the electrical component box activates to control the fan speed automatically.

  • Page 26: 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 L and N on the terminal plate in the indoor unit.

  • Page 27: 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 2MΩ...
  • Page 28 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. (Except for model SAP-CL128E) Measure resistance of outdoor fan •...
  • Page 29 D. 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 30 8-2-3. 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 31: Some Part Of Air Conditioner Does Not Operate

    8-3. Some part of air conditioner does not operate. 8-3-1. 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 32 Check transformer in outdoor unit. (for AE512SCL Only) • Measure resistance of primary and secondary winding. (TR2) Check fuse on outdoor PCB Ass'y. (for AE512SCL Only) Check fuse on outdoor PCB Ass’y • for continuity. If fuse blows, Measure resistance of primary •...
  • Page 33 8-3-3. Only compressor does not run. Overload relay is working. • Check compressor motor (Either OLR T or OLR A) capacitor. (C1) • Measure resistance of Temperature of compressor is abnormally high. compressor motor winding. Refrigerant gas shortage. Charge refrigerant gas (R22). •...

  • Page 34: Air Conditioner Operates, But Abnormalities Are Observed

    8-4. Air conditioner operates, but abnormalities are observed. 8-4-1. 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 35: If A Sensor Is Defective

    8-5. If a sensor is defective. 8-5-1. 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 36: Checking Electrical Components

    9. CHECKING ELECTRICAL COMPONENTS power plug 9-1. Measurement of Insulation (Local supply) Resistance Ground The insulation is in good condition if the resistance exceeds 2MΩ. probe Insulation 9-1-1. Power Supply Wires tester NOTE Clamp the grounding terminal of the power plug with a lead clip of the insulation resistance tester and The shape of the power plug may differ from measure the resistance by placing a probe on either of...

  • Page 37: Checking Continuity Of Fuse On Pcb Ass'y

    9-2. 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 38: Disassembly Procedure For Indoor Unit

    10. 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 39: Removing Side Panels

    10-2. 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 40: Removing Flap Motor

    10-4. 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 41 (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 42: Removing Fan And Fan Motor

    10-6. 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 43 21040 Oggiona con S. Stefano (VA) - Via Per Solbiate, 49 - Italy Direzione e Uffici: Via Varese, 90 - 21013 GALLARATE (VA) Tel. 0331/755.111 - Telex. 331060 ARGO I - FAX 0331/776.240...

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