EPTA TANGO KW Series Service Manual
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EPTA TANGO KW Series Service Manual

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Autori: Serralunga M.
NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT
SERVICE MANUAL TANGO KW (short version) ENGLISH
TANGO KW Service Manual (short version) 
TANGO 125 KW
TANGO 188 KW
TANGO 250 KW
Service Manual
1
COQ
Project: 
IA27 
16/07/2020

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Summary of Contents for EPTA TANGO KW Series

  • Page 1 SERVICE MANUAL TANGO KW (short version) ENGLISH     Project:  IA27    TANGO KW Service Manual (short version)    TANGO 125 KW TANGO 188 KW TANGO 250 KW Service Manual Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 2: Table Of Contents

    7. WIRING DIAGRAM 7.1. WIRING DIAGRAM LEGEND 7.2. TANGO 125 KW WIRING DIAGRAM 7.3. TANGO 188 KW WIRING DIAGRAM 7.4. TANGO 250 KW WIRING DIAGRAM Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 3: Amount Of Refrigerant In The Equipment

    100% flames If the entire amount of refrigerant is released in the chest of a TANGO KW, this would be a flammability zone event. Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 4: Refrigeration Schematics For The Equipment

    REFRIGERATION SCHEMATICS FOR THE EQUIPMENT REFRIGERATION DIAGRAM FOR THE COOLING CYCLE TANGO 125 KW Point into which nitrogen needs to be blown to remove propane from the pipework. Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 5: Refrigeration Diagram Tango 188 Kw

    SERVICE MANUAL TANGO KW (short version) ENGLISH REFRIGERATION DIAGRAM FOR THE COOLING CYCLE TANGO 188 KW Point into which nitrogen needs to be blown to remove propane from the pipework. Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 6: Refrigeration Diagram Tango 250 Kw

    Point into which   nitrogen needs to be blown to remove   propane from the pipework.                     Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 7: View Of The Motor Compartment - Tango 125 Kw

    CHARGE TUBE TRAY           CONDENSER MOTOR   CONDENSER MOTOR                     CONDENSER Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 8: View Of The Motor Compartment - Tango 188 Kw

                CONDENSER     DISCHARGE LINE       FILTER DRYER         CAPILLARY       Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 9: View Of The Motor Compartment - Tango 250 Kw

    EVAPORATING WATER   TRAY   INVERTER           CONDENSER MOTOR           CONDENSER DISCHARGE LINE       Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 10: View Of The Evaporator Compartment And Relevant Pipework

    Under the cover are placed the finned evaporator. TANGO 125 KW CAPILLARY – EVAPORATOR INPUT SUCTION PIPE – EVAPORATOR OUTLET DEFROST PROBE TEMPERATURE PROBE Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 11 SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO 188 KW CAPILLARY – EVAPORATOR INPUT SUCTION PIPE – EVAPORATOR OUTLET TEMPERATURE PROBE DEFROST PROBE   Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 12       TEMPERATURE PROBE           DEFROST PROBE                         Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 13: Position Of Probes In The Cabinet

    Defrost I0205778 TANGO 188 KW Tank Black Display - Thermostat 140692 Evaporator Yellow Defrost I0205780 TANGO 250 KW Tank Black Display - Thermostat 140692 Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 14: Alarms For Tango Kw (Dixell Controller)

    The flammable substances must be kept within a suitably designed and constructed “container”, be it a suitable cylinder or a refrigeration system. If the substance leaks, it should be prevented from spreading to other areas. Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 15: Protection Tools And Devices For Servicing

    DO NOT WORK WITH OPEN FLAMES BEFORE THE PIPEWORK HAS BEEN CUT! ‐ REMOVE ALL SPARK SOURCES FROM THE WORK AREA (LIGHTERS, LAMPS, ‐ CIGARETTES). PROTECTION TOOLS AND DEVICES FOR SERVICING Protection tools:   Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 16   ELECTRONIC LEAK  DETECTOR     REFRIGERAT  JUNCTIONS     LOCKRING JOINT  PLIER   LOCKRING JOINT  WITH CLOSED SIDE     REFRIGERANT GAS  BOTTLE     NITROGEN GAS  BOTTLE     Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 17 SERVICE MANUAL TANGO KW (short version) ENGLISH REFRIGERANT SCALE     VACUUM PUMP     LOKPREP SEALANT     ORBITAL CUTTER     SCREWDRIVER     WRENCH n°10           Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 18: How To Empty The Cooling Circuit And Prove It Before Servicing

    Also cut the pipe   entering the filter and replace the   filter dryer with a new one.             COMPRESSOR REPLACEMENT Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 19 Note: when the compressor is replaced the filter drier must be replaced too                         Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 20: Unsolder Copper Pipe Tube

    Using the screwdriver for unscrew the compressor box (if present).                               Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 21: New Compressor Insertion

     Take the plier (3) and pinch the high pressure pipe (B), then remove refrigerant junction.  Put a drop of Lokprep sealant (4) on the high pressure pipe (B). Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 22: Refrigerant Gas Charging And Thermodynamic Circuit Closing

    Check the refrigerant charge on the data label inside the cabinet. Using a balance (7), verify the quantity of refrigerant gas in the gas bottle (8). Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 23  Take the plier (3) and pinch the low pressure pipe (A), then remove refrigerant junction.  Put a drop of Lokprep sealant (4) on the low pressure pipe (A). Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 24  Insert lockring joint (5) on the low pressure pipe (A). Rotate the joint (5) for correctly distribute the sealant (4).  By using the lockring plier (6) fix joint (5) on the copper pipe (A).       Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 25: Check The Correct Closing Of Thermodynamic Circuit

    ‐ Suction pipe welding. ‐ Charge pipe welding. ‐ Discharge pipe welding.                   TANGO 125 KW Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 26 SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO 188 KW TANGO 250 KW Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 27: Replacement Of Condenser Motor Fan

    2 – Disconnect the motor fan connectors. 3 – Unscrew and remove the motor fan. Epta code: 42687032 Model: MV 115V 50/60HZ 14W ELCO ECM HBS 12-10-1 Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 28: Replacement Of Power Cord Replacing

    2 – Unscrew and remove the electronic control. 3 – Remove the lateral clips and disconnect connectors. Epta code Electronic controller: 74779000 Model: ELECTRONIC CONTROL EVCO EV3224N9RWH C/4RELAY+TTL Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 29: Replacement Of Led Bars

    1 – Remove the led cover and wires cover. 2 – Disconnect the led connector. 3 – Unscrew the top and lower screws of led support. Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 30 LED BARS MULTIFRESH PLUS 125 Epta code for LED lamp: 42838000 – LED LAMP 6.5W 1150X15X6 24VDC  Epta code for LED lamp: 42839000 – LED LAMP 15.5W 1605X15 24VDC  Epta code for LED lamp: 42840000 – LED LAMP 15.5W 1605X15 24VDC‐SX  LED BARS MULTIFRESH PLUS 188 Epta code for LED lamp: 42838000 – LED LAMP 6.5W 1150X15X6 24VDC  Epta code for LED lamp: 48321000 – LED LAMP 2.5W L=520 24VDC  Epta code for LED lamp: 42839000 – LED LAMP 15.5W 1605X15 24VDC  Epta code for LED lamp: 42840000 – LED LAMP 15.5W 1605X15 24VDC‐SX  LED BARS MULTIFRESH PLUS 125 Epta code for LED lamp: 42838000 – LED LAMP 6.5W 1150X15X6 24VDC  Epta code for LED lamp: 42839000 – LED LAMP 15.5W 1605X15 24VDC  Epta code for LED lamp: 42840000 – LED LAMP 15.5W 1605X15 24VDC‐SX      Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 31: Main Cabinet Functions

    Energy saving enabled        Auxiliary relay on    Measurement unit      FLASHING Programming phase  ATTENTION! Lights are automatically switched off during night-time (10 pm - 6 am). Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 32: Tango Kw Paramenters

    SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO KW PARAMETERS Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 33: Temperature Setting

    Only if the average internal temperature is too cold or not cold you can increment or decrement the temperature:  Press the (Set) (2 sec.) key in order to see on display the temperature set point.   Press the () key or the () key in order to increment or decrement the temperature  set point.   Press the (Set ) key in order to store the new temperature set point.      Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 34: Wiring Diagram

    CONDENSATE TRAY MOTOR FAN EVAPORATOR PROBE TEMPERATURE PROBE REPLAY COMPRESSOR INVERTER                               Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 35: Tango 125 Kw Wiring Diagram

    SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO 125 KW WIRING DIAGRAM     Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 36: Tango 250 Kw Wiring Diagram

    SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO 188 KW WIRING DIAGRAM   Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 37 SERVICE MANUAL TANGO KW (short version) ENGLISH TANGO 250 KW WIRING DIAGRAM   Autori: Serralunga M. 16/07/2020 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

This manual is also suitable for:

Tango 125 kwTango 188 kwTango 250 kw

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