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EPTA VALZER KW Service Manual

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SERVICE MANUAL VALZER KW (short version) inglese
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Project: 
 
VALZER KW Service Manual (short version) 
 
 
VALZER KW
Service Manual
Autori: Serralunga M.
14/10/2021
1
NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT

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Summary of Contents for EPTA VALZER KW

  • Page 1 SERVICE MANUAL VALZER KW (short version) inglese     Project:    VALZER KW Service Manual (short version)      VALZER KW Service Manual Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 2: Table Of Contents

    8. WIRING DIAGRAM 8.1. VALZER KW 2D WIRING DIAGRAM 8.2. VALZER KW 3D WIRING DIAGRAM 8.3. VALZER KW 4D WIRING DIAGRAM 8.4. WIRING DIAGRAM LEGEND Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 3: Amount Of Refrigerant In The Equipment

    39g/m Striking will not cause 100% flames If the entire amount of refrigerant is released in the food compartment of VALZER KW, this would become a flammable zone. Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 4: Refrigeration Schematics For The Equipment

    The compressor runs warm gas through evaporating tray, condensers and frame pipe.   Point into which   nitrogen needs to be blown to remove   propane from the   pipework.       Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 5: Refrigeration Diagram Valzer Kw 3D

    The compressor runs warm gas through evaporating tray, condensers and frame pipe. GROUP 1       Point into which nitrogen needs to be   blown to remove propane from the   pipework.     Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 6       Point into which nitrogen needs to be   blown to remove propane from the   pipework.           Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 7: Refrigeration Diagram Valzer Kw 4D

    GROUP 1         Point into which nitrogen needs to be   blown to remove propane from the   pipework.       Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 8     Point into which nitrogen needs to be   blown to remove propane from the   pipework.             Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 9: Refrigeration Diagram For Defrost Cyrcle Valzer Kw 2D

    The NC solenoid valve opens and allow gas to run through the drip tray serpentine and then into the evaporator.                   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 10: Refrigeration Diagram For Defrost Cyrcle Valzer Kw 3D

    The NC solenoid valve opens and allow gas to run through the drip tray serpentine and then into the evaporator. GROUP 1             Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 11 SERVICE MANUAL VALZER KW (short version) inglese GROUP 2                   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 12: Refrigeration Diagram For Defrost Cyrcle Valzer Kw 4D

    The NC solenoid valve opens and allow gas to run through the drip tray serpentine and then into the evaporator.   GROUP 1               Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 13 SERVICE MANUAL VALZER KW (short version) inglese GROUP 2                   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 14: View Of Motor Compartment - Valzer Kw 2D

    VIEW OF MOTOR COMPARTMENT – REAR SIDE   SUCTION PIPE – DRIP TRAY EVAPORATOR OUTLET SERPENTINE SERVICE TUBE FRAME HEATING PIPE EVAPORATING WATER TRAY COMPRESSOR   SOLENOID VALVE   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 15 EVAPORATING WATER TRAY SERVICE TUBE INVERTER SOLENOID VALVE COMPRESSOR CONDENSER MOTOR CONDENSER MOTOR CONDENSERS                       Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 16: View Of Motor Compartment - Valzer Kw 3D

    EVAPORATOR OUTLET SERPENTINE FRAME HEATING PIPE FRAME HEATING PIPE SUCTION PIPE – DRIP TRAY   EVAPORATOR OUTLET SERPENTINE     COMPRESSOR SOLENOID VALVE     Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 17 CONDENSER CONDENSER EVAPORATING WATER TRAY INVERTER SOLENOID VALVE COMPRESSOR SERVICE TUBE VACUUM TUBE   SERVICE TUBE                 Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 18: View Of Motor Compartment - Valzer Kw 4D

      CONDENSER CONDENSER   SERVICE TUBE INVERTER VACUUM TUBE       EVAPORATING WATER COMPRESSOR SOLENOID VALVE TRAY             Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 19: View Of The Evaporator Compartment - Valzer Kw 2D

    DEFROST PROBE SUCTION PIPE – EVAPORATOR OUTLET   DRIP TRAY SERPENTINE – CAPILLARY – SOLENOID VALVE EVAPORATOR INPUT   CAPILLARY – EVAPORATOR INPUT   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 20: View Of The Evaporator Compartment - Valzer Kw 4D

    CAPILLARY – EVAPORATOR INPUT DRIP TRAY SEPRENTINE – SOLENOID VALVE                              Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 21: Position Of Probe In The Cabinet

    SERVICE MANUAL VALZER KW (short version) inglese POSITION OF PROBES IN THE CABINET There are two probes in the VALZER KW 2D, VALZER KW 3D and VALZER KW 4D. Front view:               Defrost probe on evaporator outlet  ...

  • Page 22: Alarms For Multifreez Plus (Dixell Controller)

    Ignition sources can vary greatly and may include sparks from electrical equipment or welding and cutting tools, hot surfaces, open flames from heating equipment, smoking materials, etc. Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 23: Protection Tools And Devices For Servicement

    DO NOT WORK WITH OPEN FLAMES BEFORE THE PIPEWORK HAS BEEN CUT! ‐ REMOVE ALL SPARK SOURCES FROM THE WORKING AREA (LIGHTERS, LAMPS, ‐ CIGARETTES). PROTECTION TOOLS AND DEVICES FOR SERVICEMENT Protection tools: Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 24 REFRIGERANT PLIER     ELECTRONIC LEAK  DETECTOR     REFRIGERANT  JUNCTIONS   LOKRING JOINT PLIER     LOKRING CAP     REFRIGERANT GAS  CONTAINER     NITROGEN GAS  BOTTLE     Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 25 SERVICE MANUAL VALZER KW (short version) inglese REFRIGERANT SCALE     VACUUM PUMP     LOKPREP SEALANT     ORBITAL CUTTER     SCREWDRIVER     WRENCH n°10           Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 26: 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.       Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 27: Compressor Replacement

    Epta code for filter: 78729000   Model: Filter UL gr 12 – Holes 5-3,2 Note: when the compressor is replaced the filter drier must be replaced too   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 28: Unsolder Copper Pipe Tube

    Unscrew the 4 compressor screws by using a wrench n°10. Use a screwdriver to remove the inverter.                                 Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 29: New Compressor Insertion

    After 30-40 minutes of vacuum, disconnect the vacuum pump only on the high pressure pipe (B).  Take the plier (3) and pinch the high pressure pipe (B), then remove refrigerant junction. Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 30  Insert a Lokring cap (5) on the high pressure pipe (B). Rotate the cap (5) for correctly distribute the sealant (4).  By using the Lokring plier (6) fix the cap (5) on the copper pipe (B). Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 31: Refrigerant Gas Charging And Thermodynamic Circuit Closing

    Disconnect the vacuum pump from the compressor service tube (A); connect the gas container (8) to the circuit, and measure the amount of refrigerant gas introduced in the circuit. Picture example of compressor 0      Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 32  Take the plier (3) and pinch the compressor service tube (A), then remove refrigerant junction.  Put a drop of Lokprep sealant (4) on the compressor service tube terminal (A). Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 33  By using the Lokring plier (6) fix cap (5) on the tube (A).                       Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 34: Check The Correct Closing Of Thermodynamic Circuit

    ‐ Suction pipe welding. ‐ Charge pipe welding. ‐ Discharge pipe welding.                   VALZER KW 2D Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 35 SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 3D VALZER KW 4D Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 36: Replacement Of Condenser Motor Fan

    Epta code: I0220093 Model: ECM 12-15 115/50-60 Epta code: I0220093 Model: ECM 12-15 115/50-60 VALZER KW 3D Epta code: I0407023 Model: BLADE Ø200MM/31°DS 4VEP003 Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 37: Replacement Of Evaporator Motor Fan

    2 – Disconnect the motor fan connectors. 3 – Unscrew and remove the motor fan. VALZER KW 2D     Epta code: 45003033 Model: MV 115V 60HZ 8W KA   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 38               Epta code: 45003033 Model: MV 115V 60HZ 8W KA                 Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 39: Replacement Of Controller Solenoid Vave

    Epta code Solenoid Valve: I0189033 Model: SOLENOID VALVE EVR3 115/60 U.L. Epta code Coil: I3304601 Model: COIL EVR3 115/60 U.L. Epta code Mechanic filter: I0145001 Model: MECHANIC FILTER D.MM17X74 Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 40: Replacement Of Electronic Controller

    2 – Disconnect the rear connector (D). 3 – Remove the electronic controller. Epta code Electronic controller: 52997031 Model: ELECTRONIC CONTROL DIXELL XR72CH 4N0F9 120VAC Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 41: Replacement Of Led Bar

    Model : LPV 35-24 LED BARS VALZER KW 2D Epta code for LED lamp: 50915002– LED LAMP 8W 1573 24V 4000K WHITE (2 Pc)  Epta code for LED lamp: 50916002 – LED LAMP 8W 1573 24V 4000K WHITE (2 Pc)  LED BARS VALZER KW 3D Epta code for LED lamp: 50915002– LED LAMP 8W 1573 24V 4000K WHITE (3 Pc)  Epta code for LED lamp: 50916002 – LED LAMP 8W 1573 24V 4000K WHITE (3 Pc)  LED BARS VALZER KW 4D Epta code for LED lamp: 50915002– LED LAMP 8W 1573 24V 4000K WHITE (4 Pc)  Epta code for LED lamp: 50916002 – LED LAMP 8W 1573 24V 4000K WHITE (4 Pc)  Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 42: Door Replacement

    7 – Remove the door and replace it. 8 – Repeat the operations starting from point 7 up to point 1 for restore the cabinet. Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 43 SERVICE MANUAL VALZER KW (short version) inglese   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 44 SERVICE MANUAL VALZER KW (short version) inglese Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...
  • Page 45 SERVICE MANUAL VALZER KW (short version) inglese Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 46: Inverter Information

    Allow the inverter to equalize pressure between suction pressures in the refrigerating system. and discharge sides. Low input voltage supplied to the inverter. Measure AC voltage to confirm. Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 47: Main Cabinet Functions

    Fans delay after defrost in pregress An alarm is occurring Continuous cycle is running Energy saving enebled Light Auxiliary replay on Auxiliary relay on Measurement unit FLASHING Programming phase Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 48: Temperature Setting

     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. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 49: Valzer Kw 2D Electronic Controller Parameters

    SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 2D PARAMETERS Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 50: Valzer Kw 3D Electronic Controller Parameters

    SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 3D PARAMETERS Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 51: Valzer Kw 4D Electronic Controller Parameters

    SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 4D PARAMETERS Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 52: Wiring Diagram

    SERVICE MANUAL VALZER KW (short version) inglese WIRING DIAGRAM VALZER KW 2D WIRING DIAGRAM Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 53: Valzer Kw 3D Wiring Diagram

    SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 3D WIRING DIAGRAM Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 54: Valzer Kw 4D Wiring Diagram

    SERVICE MANUAL VALZER KW (short version) inglese VALZER KW 4D WIRING DIAGRAM Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

  • Page 55: Wiring Diagram Legend

    LED RELAY RESISTOR POWER SUPPLY UNIT WATER DRAINAGE RESISTOR RETARDED COMPRESSOR RELAY DOOR RESISTOR GLASS RESISTOR DECOMPRESSION VALVE RESISTANCE ISOLATION TRANSFORMER DEFROST VALVE   Autori: Serralunga M. 14/10/2021 NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT...

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