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Atlantic WOYG LCT Series Maintenance Document

Outdoor unit (air to water split heat pump)
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WOYG---LCT
WOYK---LCT
Outdoor unit
(air to water split heat pump)
single phase outdoor unit 3- phase outdoor unit
WOYG112LCT
WOYG140LCT
WOYK112LCT
WOYK140LCT
WOYK160LCT
Document n° 1545-1 ~ 25/07/2014
FR
EN
NL
IT
ES
PT
PL
PT
Maintenance
Document
intended for professionals
atlantic-comfort.com
DE
PT

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  • Page 1 WOYG---LCT Document n° 1545-1 ~ 25/07/2014 WOYK---LCT Outdoor unit (air to water split heat pump) single phase outdoor unit 3- phase outdoor unit WOYG112LCT WOYK112LCT WOYG140LCT WOYK140LCT WOYK160LCT Maintenance Document intended for professionals atlantic-comfort.com...

  • Page 2: Table Of Contents

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Contents Faults ........3 Fault List .

  • Page 3: Faults

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1 Faults 1.1 Fault List When the system is switched back on after a power outage, the Hydraulic Unit may display fault 370 for a few tens of seconds. This is not a serious problem. It simply means that the outdoor unit is running its tests.
  • Page 4 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT LED display Hydraulic Unit Outdoor unit Diagnosis Clear Green Serial reverse transfer error. Serial forward transfer error. Heat pump capacity signal error Hydraulic Unit Heat ex. Sensor error Inverter error. P.F.C. error (3-phase) Discharge thermistor error. Compressor thermistor error.

  • Page 5: Outdoor Unit Clearing

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.2 Outdoor Unit Clearing This section describes the techniques which can be used to identify the failure. 1.2.1 Failures with Error Code Clear 1: Serial reverse transfer error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection.
  • Page 6 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 2: Serial forward transfer error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. External cause. Interface PCB failure. Check: Clear 2: 1-1. Stop the system and start it again (disconnection time 1min): Is the error still displayed? 1-2.
  • Page 7 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 4: Hydraulic Unit Heat exchanger thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Interface PCB failure. Check: Clear 4: 1. Check connection interface PCB and Heat pump regulator PCB: See if the connector has been disconnected.
  • Page 8 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 5: Hydraulic Unit Heat exchanger thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Interface PCB failure. Check: Clear 5: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
  • Page 9 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 7: Discharge thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure. Check: Clear 7: 1. Check the sensor connection: See if the connector has been disconnected. See if the connection is correct. Check for any damage on the sensor cable.
  • Page 10 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 8: Heat-exchange thermistor (outlet) error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor fault. Main PCB failure Check: Clear 8: 1. Check the sensor connection: See if the connector has been disconnected. See if the connection is correct.
  • Page 11 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 9: Outdoor temperature thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure. Check: Clear 9: 1. Check the sensor connection : See if the connector has been disconnected. See if the connection is correct.
  • Page 12 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 10: Heat Sink Thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure Check: Clear 10: 1. Check the sensor connection : See if the connector has been disconnected. See if the connection is correct.
  • Page 13 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 11: Compressor thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure. Check: Clear 11: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
  • Page 14 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 12: Heat-exchange thermistor (intermediate) error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure. Check: Clear 12: 1. Check the sensor connection: See if the connector has been disconnected. See if the connection is correct.
  • Page 15 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 14: Expansion valve thermistor error Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Sensor failure. Main PCB failure. Check: Clear 14: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
  • Page 16 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 15: Current trip (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Connection failure. Outdoor Heat Exchanger clogged. Outdoor Fan operation failure. Compressor failure. Main PCB failure. Check: Clear 15: - Check if the terminal connection is loose. - Check if connector is removed.
  • Page 17 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 17: Compressor startup error (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection of the various electrical components. Main PCB failure. Compressor failure. Check: Clear 17: - Check if the terminal connection is loose. - Check if connector is removed.
  • Page 18 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 18: Fan motor error (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Fan motor failure. Motor protection. Main PCB failure. Check: Clear 18: 1. Check fan rotation: - Switch off the heat pump and rotate the fan manually. - If the fan or bearings are faulty, replace them.
  • Page 19 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 20: Inverter error Hydraulic Unit Outdoor Unit Green Probable causes: Connection failure. Main PCB failure. Check: Clear 20: 1. Check connections in control unit: - Check if the terminal connection is loose. - Check if connector is removed. - Check if connector is erroneous connection.
  • Page 20 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 22: Discharge temperature protection (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Valve is close. EEV failure. Gas leak, less. Discharge Thermistor failure. Outdoor Fan operation failure. Outdoor Heat Exchanger clogged. Check: Clear 22: Cooling mode Heating mode...
  • Page 21 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 24: Pressure sensor error Hydraulic Unit Outdoor Unit Green Probable causes: Connector connection failure. Pressure Sensor failure. Main PCB failure. Check: Clear 24: 1. Check connection of the Pressure Sensor: - Check if the terminal connection is loose. - Check if connector is removed.
  • Page 22 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 25: Compressor temperature protection (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Valve is close. EEV failure. Gas leak, less. Compressor Thermistor failure. Outdoor Fan operation failure. Outdoor Heat Exchanger clogged. Check: Clear 25: Cooling mode Heating mode...
  • Page 23 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 26: Low pressure abnormal Hydraulic Unit Outdoor Unit Green Probable causes: Connector connection failure. Pressure Sensor failure. Main PCB failure. Gas leak, less. Check: Clear 26: 1. Check connection of the Pressure Sensor: - Check if the terminal connection is loose.
  • Page 24 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 27: P.F.C. error (only for 3-phase type) Hydraulic Unit Outdoor Unit Green Probable causes: Connector connection failure. Main PCB failure. PFC PCB failure. Check: Clear 27: 1. Check connections of between Main PCB and PFC PCB: - Check if the terminal connection is loose.
  • Page 25 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 33: Detection of compressor position error (permanent stoppage) Hydraulic Unit Outdoor Unit Green Probable causes: Misconnection. Main PCB failure. Check: Clear 33: - Check if the terminal connection is loose. - Check if connector is removed. - Check if connector is erroneous connection.

  • Page 26: Failures With No Error Code

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.2.2 Failures With No Error Code Clear 35: No voltage on Hydraulic Unit Probable causes: Power supply fault. External causes. Faulty electrical components. Check: Clear 35: 1. Check the installation : - Is the circuit breaker cut off? - Check the wiring.
  • Page 27 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 36: No voltage on outdoor unit Probable causes: Power supply fault. External cause. Faulty electrical components. Check: Clear 36: 1. Check the installation - Is the circuit breaker cut off? - Check the wiring. 2.
  • Page 28 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 38: No heat Probable causes: Hydraulic Unit error. Outdoor unit error. Misconnections of connectors and cables. Check: Clear 38: 1. The unit provides heating or cooling 2. Check the Hydraulic Unit : Is the cooling kit - Is the pump operating? connected ? - See if the exchanger is not clogged?
  • Page 29 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Clear 39: Abnormal noise Probable causes: Abnormal installation (outdoor) Fan failure Compressor failure. Check: Clear 39: 1. The noise comes from the outdoor unit: - Is the unit stable? - Is the protection screen properly mounted? - Is the propeller broken or distorted? - Has the propeller screw been lost? - Is any object blocking the propeller rotation?

  • Page 30: Service Parts Information

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.3 Sensor Values 1.3.1 Outdoor Unit Temperature Sensors Outdoor Heat Exchanger (outlet), Outdoor Heat Exchanger (middle) Temperature (°C) Resistance value (k ) 27,5 20,9 16,1 12,4 9,73 7,67 3,95 Outdoor Discharge Pipe / Compressor / Expansion valve inlet Temperature (°C) Resistance value (k ) 26,3...

  • Page 31: Information 2 : Inverter Compressor

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.4.2 Information 2 : Inverter compressor Service parts information 2 : Inverter compressor Check point 1 : Check connection Check terminal connection of compressor Only for 3-phase type : (Loose or incorrect wiring) Check connection of inverter PCB (Loose or incorrect wiring) (RED) (BLACK)

  • Page 32: Eev(Inj)]

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.4.3 Information 3 : Electronic expansion valve [EEV, EEV(INJ)] Service parts information 3 : Outdoor unit electronic expansion valve (EEV, EEV(INJ)) Check point 1 : Check connection Check connection of connector (Loose connector or open cable) EXPANSION EXPANSION VALVE VALVE COIL...

  • Page 33: Information 4 : Solenoid Valve (Sv)

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 1.4.4 Information 4 : Solenoid valve (SV) Service parts information 4 : Outdoor unit solenoid valve (SV) Check point 1 : Check connections Check point 2 : Check solenoid coil Check connection of connector Remove connector and check if coil is open (Loose connector or open cable) (normal resistance value of each coil : 1495+/-...

  • Page 34: Failures

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 2 Failures 2.1 Electrical System Steps to be followed before performing any work on 2.1.1 Outdoor Unit Overvoltage the Inverter module: Check for possible causes in the list below (this list is First switch off the system using the circuit breaker at not exhaustive): the head of the line.

  • Page 35: Outdoor Unit Does Not Defrost

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 2.2.2 Outdoor unit does not defrost (If you still have doubts as to the charge, perform the Is condensation drain properly discharged (outdoor charging with an electronic scale). unit directly on the ground)? Outdoor unit defrosting is controlled by the exchanger Are the auxiliaries powered? sensor and the controller board.

  • Page 36: Compressor Operating Checks

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 2.4 Refrigeration Circuit Leak Test With all models, defrosting stops if the exchanger The new regulation requires annual leak testing of temperature is above 10 °C or if the defrosting time is installations with a refrigerant charge higher than 2kg. over 15 minutes).

  • Page 37: Disassembly Process Of Outdoor Unit

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4 Disassembly Process of Outdoor Unit > Warning ! < Before servicing the unit, turn the power supply switch OFF, then, do not touch electric parts for 10 minutes due to the risk of electric shock.

  • Page 38: Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4.1.4 MAIN PCB, FILTER PCB, and INDICATOR PCB removal .1.4 MAIN PCB, FILTER PCB, and INDICATOR PCB removal screws Hook (2 places) Remove the 1 mounting screw Remove the INVERTER BOX COVER by sliding upward.
  • Page 39 Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT MAIN PCB removal Holder Screw of IPM (2 places) screw screw Remove the MAIN PCB Remove the connectors and screws Spread the heat dissipation For screws of IPM. compound on the other side of Note the tightening torque at the installation.

  • Page 40: Fan Motor Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4.1.5 FAN MOTOR removal Remove the 4 mounting screws. Remove the FAN GUARD by Remove the Hex Socket Screw. And sliding upward. remove the PROPELLER FAN. Note at the installation. Insert propeller Fan and Moter shalf reference D cutting position.

  • Page 41: Right Panel Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4.1.7 RIGHT PANEL removal screw screw Screw (serrated) Remove the 12 mounting screws. Screw Remove the RIGHT PANEL by (with washer) sliding upward. 4.1.8 THERMISTOR removal HEAT EXCHANGER (MID) THERMISTOR Remove the THERMISTOR.

  • Page 42: Solenoid Coil Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT EEV THERMISTOR Remove the THERMISTOR SPRING. Remove the THERMISTOR. OUTDOOR THERMISTOR hook Open the THERMO HOLDER and Remove the THERMOR HOLDER. remove the THERMISTOR. 4.1.9 SOLENOID COIL removal 4WAY VALVE Remove the mounting screw.

  • Page 43: Eev Coil Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4.1.10 EEV COIL removal MAIN INJECTION Remove the EEV coil by hand. Remove the EEV coil by hand. removal 4.1.11 PRESSURE SENSOR removal removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work.

  • Page 44: Compressor Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT 4.1.12 COMPRESSOR removal Precautions for exchange of compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. 1. Turn off the power 2.
  • Page 45 Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYGxxxLCT Thermistor (Discharge) Remove the Thermistor (Discharge). Cut the binder, and remove the heat insulation. Thermistor (comp. Temp.) Remove the COMP BOLTS. Remove the Thermistor (comp. temp.) (3 places) and the Thermistor (Discharge).

  • Page 46: 3-Phase Type

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2 3-phase type 4.2.1 Appearance 4.2.2 Service panel removal Hook (3 places) Screw (serrated) Remove the mounting screws. Remove the SERVICE PANEL by sliding downward. 4.2.3 Insulation sheet removal INSULATION SHEET Hook (4 places) Remove the Hook (4 places)

  • Page 47: Main Pcb Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2.4 Main PCB removal Locking spacers Earth screws Remove the connectors. Remove the earth screws and the locking spacers 4.2.5 INVERTER, PFC, FILTER, and CAPACITOR PCB removal Screws Hook Hook Slit...
  • Page 48 Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT INVERTER PCB removal Screw Hook Holder Screws Remove the INVERTER PCB. Remove the connectors Spread the heat dissipation and screws compound on the other side of IPM For screws of IPM. when you exchange INVERTER PCB Note the tightening torque at the by the repair.
  • Page 49 Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT CAPACITOR PCB removal Screw Hook Remove the connectors, codes Remove the CONDENSER CASE and screw. by sliding rightward. Screws Remove the mounting screws. Remove the CONDENSER COVER CAPACITOR PCB by sliding toward.

  • Page 50: Fan Motor Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2.6 FAN MOTOR removal Remove the Hex Socket Screw and Remove the 4 mounting screws. Remove the FAN GUARD remove the PROPELLER FAN. by sliding upward. Note at the installation. Insert propeller Fan and Moter shaft reference D cutting position.

  • Page 51: Right Panel Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2.9 RIGHT PANEL removal screw screw Remove the 11 mounting screws. Screw Remove the RIGHT PANEL by (with washer) sliding upward. 4.2.10 REACTOR removal Remove the connectors. Remove the 3 mounting screws. 4.2.11 THERMISTOR removal R removal emoval...

  • Page 52: Solenoid Coil Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT EXPANSION VALVE THERMISTOR Remove the THERMISTOR SPRING. Remove the THERMISTOR. OUTDOOR THERMISTOR hook Open the THERMO HOLDER and Remove the THERMOR HOLDER. remove the THERMISTOR. 4.2.12 SOLENOID COIL removal 4WAY VALVE Remove the mounting screw.

  • Page 53: Eev Coil Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2.13 EEV COIL removal MAIN INJECTION Remove the EEV coil by hand. Remove the EEV coil by hand. moval 4.2.14 PRESSURE SENSOR removal removal > Warning ! < Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work.

  • Page 54: Compressor Removal

    Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT 4.2.15 COMPRESSOR removal Precautions for exchange of compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. 1. Turn off the power 2.
  • Page 55 Outoor unit - excellia (duo) Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT WOYKxxxLCT Thermistor (Discharge) Cut the binder, and remove Remove the Thermistor (Discharge). the heat insulation. Thermistor (comp. Temp.) Remove the Thermistor (comp. temp.) and the Thermistor (Discharge). Remove the COMP BOLTS. (3 places) Range Range...

  • Page 56: Precautions For Exchange Of Refrigerant-Cycle-Parts

    Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT 4.3 Precautions for exchange of refrige- rant-cycle-parts 1. During exchange the following parts shall be protected by wet rag and not make the allowable temperature or more. 2. Remove the heat insulation when there is the heat insulation near the welding place.
  • Page 57 Outoor unit - excellia (duo) WOYGxxxLCT_WOYKxxxLCT Maintenance document "1546 - EN" - 57 -...
  • Page 58 This appliance must be treated at a specialized treatment facility for re-use, recycling and other forms of recovery and shall not be disposed of in the municipal waste stream. Please contact the installer or local authority for more information. * subject to the national law of each member state www. atlantic-comfort.com www.atlantic.fr Société Industrielle de Chauffage...

This manual is also suitable for:

Woyk lct seriesWoyg112lctWoyg140lctWoyk112lctWoyk140lctWoyk160lct

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