Pego ECP300 EXPERT STEPPER Operation And Maintenance Manual
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Pego ECP300 EXPERT STEPPER Operation And Maintenance Manual

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ECP300 EXPERT STEPPER
ECP300
EXPERT
STEPPER
for EEV STEPPER
Operation and maintenance manual
READ AND KEEP
Software Rel.: 1
REV. 01-20
ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS
ITA
OPERATION AND MAINTENANCE
Page 1
Rev. 01-18
MANUAL

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  • Page 1 ECP300 EXPERT STEPPER ECP300 EXPERT STEPPER for EEV STEPPER Operation and maintenance manual READ AND KEEP Software Rel.: 1 REV. 01-20 ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS OPERATION AND MAINTENANCE Page 1 Rev. 01-18 MANUAL...
  • Page 2 Thank you for choosing a PEGO electrical panel. This manual provides detailed information on the installation, use and maintenance of the ECP300 EXPERT STEPPER series of electrical panels. Our products are designed and manufactured in compliance with current safety standards, in the specific field of use of refrigeration and air conditioning systems.

  • Page 3: Table Of Contents

    Connection of the front panel Page 14 Pre-use checks Page 15 Closing the electrical panel FUNCTIONALITY CHAP. 4 Page 16 Functions managed by the ECP300 EXPERT STEPPER electrical panel DATA PROGRAMMING CHAP. 5 Page 17 Control panel Page 17 Front keyboard Page 18...

  • Page 4: Introduction

    CHAP. 1 - Introduction ECP300 EXPERT STEPPER CHAPTER 1: INTRODUCTION GENERAL INFORMATION DESCRIPTION: Line of panels with power and electronic control dedicated to the management of a single three-phase evaporator unit where utilities are serviced by a refrigeration centre or a remote motorised condenser unit.

  • Page 5: Technical Specifications

    CHAP. 2 - Technical specifications ECP300 EXPERT STEPPER CHAPTER 2: TECHNICAL SPECIFICATIONS PRODUCT IDENTIFICATION CODES 11030ESUVD02 Control and management of motorised electronic expansion valve, consent motorised condensing unit, defrosting resistors (up to 12kW), evaporator fans, solenoid valve, cold room light, door resistance and presence of all the electrical protections required by regulations.
  • Page 6 CHAP. 2 - Technical specifications ECP300 EXPERT STEPPER OVERALL DIMENSIONS IDENTIFICATION DATA The apparatus described in this manual is provided on its side with a plate showing its identification data: • Manufacturer's Name • Electrical panel code • Serial number (S.N.) •...
  • Page 7 Warranty service may be refused when the equipment is modified or transformed. Under no circumstances will Pego S.r.l. be liable for any loss of data and information, costs of substitute goods or services, damage to property, persons or animals, loss of sales or income,...

  • Page 8: Installation

    CHAPTER 3: INSTALLATION STANDARD EQUIPMENT FOR ASSEMBLY AND USE The ECP300 EXPERT STEPPER electrical panel, for assembly and use, is equipped with: • 4 Seals, to be interposed between the fixing screw and the bottom of the case. • 1 Operation and maintenance manual.
  • Page 9 CHAP. 3 - Installation ECP300 EXPERT STEPPER Fig. 2: Remove the cover of the screws on the right side. Fig. 3: Unscrew the 4 fixing screws of the front panel. Fig. 4: Close the transparent protective door of the general thermal magnetic switch.
  • Page 10 CHAP. 3 - Installation ECP300 EXPERT STEPPER Fig. 5: Open the front of the panel by lifting it and sliding the two hinges to the end of their travel. Fig. 6: Bend the hinges and rotate the front piece 180° downwards to access the inside of the panel and disconnect the connector of the electronic board.
  • Page 11 CHAP. 3 - Installation ECP300 EXPERT STEPPER Fig. 9: Using the supplied drilling template sheet, make the four fixing holes on the wall. Fig.10: Using the holes made previously, fix the bottom of the case with four screws of adequate length in relation to the thickness of the wall on which to fix the panel.
  • Page 12 CHAP. 3 - Installation ECP300 EXPERT STEPPER ELECTRICAL CONNECTIONS For electrical connections refer to the specific wiring diagram and the ❑ technical characteristics of the panel model to be installed. The power supply to the panel must be carried out exclusively with a ❑...
  • Page 13 CHAP. 3 - Installation ECP300 EXPERT STEPPER FRONT PANEL CONNECTION Now reattach the front piece and reconnect the electronic board connector as shown below. Fig.12: Reattach the front piece to the bottom of the case by reinserting the two hinges in the appropriate seats.
  • Page 14 CHAP. 3 - Installation ECP300 EXPERT STEPPER PRE-USE CHECKS Once the connections have been made, review the correct execution of the ❑ same using the wiring diagram. Ensure that the screws are tightened correctly on the terminal boards. ❑ Check, when possible, the correct operation of the external protection ❑...
  • Page 15 CHAP. 3 - Installation ECP300 EXPERT STEPPER CLOSING THE ELECTRICAL PANEL Once the electrical connections, checks and necessary calibrations have been completed, the electrical panel can be closed. Fig.18: Close the front cover, making sure that all the cables are inside the case and that the case gasket is correctly housed in its seat.

  • Page 16: Functionality

    CHAP. 4 - Functionality ECP300 EXPERT STEPPER CHAPTER 4: FUNCTIONALITY FUNCTIONS MANAGED BY THE ECP300 EXPERT STEPPER ELECTRICAL PANEL Compatible with 23 gas types: R404, R134, R22, R407A, R407F, R407H, R410A, R450A, R507, R513A, R744(CO2), R449A, R290, R32, R448A, R452A, R600, R600A, R1270, R1234ze, R23, R717(NH3), R454C.

  • Page 17: Data Programming

    CHAP. 5 - Data programming ECP300 EXPERT STEPPER CHAPTER 5: DATA PROGRAMMING CONTROL PANEL            FRONT KEYBOARD   AUXILIARY RELAY COMMAND / PARAMETER SAVING to USB  Manually controls the relay if parameter AU1/AU2=2.
  • Page 18 CHAP. 5 - Data programming ECP300 EXPERT STEPPER DOWN / DEFROST  Pressed for more than 3 seconds activates manual defrosting (if the activation conditions are met). Pressed for more than 3 seconds during defrosting, it ends the present defrosting.
  • Page 19 + down arrow. SWITCHING ON THE ECP300 EXPERT STEPPER PANEL After completing all the electrical panel wiring connections, power the panel using the general switch; the electrical panel will emit immediately a sound for a few seconds and at the same time, all the LEDs will remain lighted on the display.
  • Page 20 CHAP. 5 - Data programming ECP300 EXPERT STEPPER GENERAL INFORMATION For safety reasons and greater convenience for the operator, the ECP300 EXPERT STEPPER system provides four programming levels; the first is used only for the configuration of frequently editable SET-POINT parameters, the second is used for...
  • Page 21 CHAP. 5 - Data programming ECP300 EXPERT STEPPER LIST OF 1ST-LEVEL VARIABLES (User Level) 5.10 MEANING VALUES DEFAULT VARIABLES Temperature differential referred to the main SET-POINT. 0.2 ÷ 10.0 °C 2.0 °C Defines the hysteresis of the temperature referred to the SET-POINT.
  • Page 22 CHAP. 5 - Data programming ECP300 EXPERT STEPPER 2ND-LEVEL PROGRAMMING (Installer level) 5.11 To access the second programming level you must:   1. Press and hold the UP ( ), DOWN ( ), and cold room light keys for more than 3 seconds.
  • Page 23 ECP300 EXPERT STEPPER 6 = 14400 baud 2 = 1200 baud 4 = 4800 baud Modbus baud rate 7 = 19200 baud 3 = 2400 baud 5 = 9600 baud 8 = 38400 baud 0 = no parity Parity bit Modbus...
  • Page 24 ECP300 EXPERT STEPPER 17 = tPF % fixed opening (N.O.) 16 = Compressor protection, display only (N.O., EcA) 15 = Condenser fan protection, display only (N.O., EFc) 14 = Evaporator fan protection, display only (N.O., EFE) 13 = Oil pressure switch protection (N.O., EcO) 12 = Minimum pressure switch protection (N.O., EcL)
  • Page 25 ECP300 EXPERT STEPPER -7 (NC) = Relay DO5 de-energised solenoid valve control -6 (NC) = Relay de-energised in standby -5 (NC) = Contact for sump resistance control (AUX relay closed with compressor output not active). This output remains active even when QE is in STANDBY MODE.
  • Page 26 CHAP. 5 - Data programming ECP300 EXPERT STEPPER 3RD-LEVEL PROGRAMMING (EEV PARAMETERS) 5.13 To access the third programming level you must:  1. Press and hold the UP ( ) and STANDBY keys for more than 3 seconds.  ...
  • Page 27 ECP300 EXPERT STEPPER 0 = NTC Temperature transducer type (S4): Sets the type of 1 = PT1000 transducer used to detect the temperature (S4) 2 = PTC (-45/80 °C) Pressure (bar) corresponding to 4mA or 0V referred to -1.0 ÷ EP2 bar the Evaporation pressure probe (S5).
  • Page 28 CHAP. 5 - Data programming ECP300 EXPERT STEPPER threshold (minimum Saturated evaporation temperature referring to sensor S5). Represents the minimum evaporation pressure, expressed in saturated degrees, -45°C ÷ (MOP-1) -45°C below which the LOP protection is activated. In case of LPO the control opens the valve to prevent the compressor from stopping due to low pressure (mechanical pressure switch).
  • Page 29 CHAP. 5 - Data programming ECP300 EXPERT STEPPER 4TH-LEVEL PROGRAMMING (STEPPER VALVE PARAMETERS) 5.16 To access the fourth programming level press and hold the SET and STAND-BY keys for more than 3 seconds. When the first programming variable appears, the system automatically switches to stand-by.
  • Page 30 CHAP. 5 - Data programming ECP300 EXPERT STEPPER Closing steps: number of additional steps to achieve the complete closing of the valve, it is used to realign the valve to the physical position of fully closed. Driver and valve are then HSP ÷...
  • Page 31 CHAP. 5 - Data programming ECP300 EXPERT STEPPER REFRIGERATION FLUID TEMPERATURE TABLE 5.18 The following table shows the evaporation temperature limits (tS5, see ch. 5.20) according to the type of refrigeration fluid set (ErE parameter). Parameter Temperature Temperature Encoding ErE parameter...
  • Page 32 ECP300 EXPERT STEPPER THERMOSTAT OPERATING MODE 5.21 COLD CALL MODE The COMPR. output is activated when the temperature measured by the Ambient probe reaches or exceeds the SET-POINT value +r0 and remains active until the temperature drops below the SET-POINT. The COMPR. output is combined with the lighting of the cold call icon.
  • Page 33 5) Appropriately connect the electronic valve (see Appendix A2 and A4) with the control off. 6) Turn on the ECP300 EXPERT STEPPER control. When switched on, after an initialization phase (“ini” is displayed and the valve is completely closed) the control starts adjusting the cell and the overheating temperature.

  • Page 34: Options

    CHAP. 6 - Options ECP300 EXPERT STEPPER CHAPTER 6: OPTIONS TELENET MONITORING/SUPERVISION SYSTEM To insert the panel into a TeleNET network, follow the diagram below. Refer to the TeleNET manual for instrument configuration. IMPORTANT: During configuration under “Module” select the item "ECP200EEV instrument".

  • Page 35: Diagnostics

    CHAPTER 7: DIAGNOSTICS DIAGNOSTICS BY MEANS OF ALARM CODES The ECP300 EXPERT STEPPER controller warns the operator in case of any anomalies through the alarm codes displayed on the display and an audible signal emitted by a buzzer. The audible alarm is silenced by pressing the UP key (the error code remains) and is reactivated by pressing the SET key.
  • Page 36 ECP300 EXPERT STEPPER • Check the compressor status. • Check compressor absorption. Cold call alarm: remote alarm from the motorised • If the problem persists, contact technical condensing unit. support. • Check that the door is closed. Open door alarm: when the door switch is •...
  • Page 37 CHAP. 7 - Diagnostics ECP300 EXPERT STEPPER TROUBLESHOOTING If there is no alarm code, we list below some of the most common causes that can cause anomalies These causes may be due to problems inside or outside the electrical panel.

  • Page 38: Maintenance

    CHAP. 8 - Maintenance ECP300 EXPERT STEPPER CHAPTER 8: MAINTENANCE GENERAL SAFETY RULES Whatever the nature of the maintenance, it must only be carried out by specialised technical personnel. In the event of failure or maintenance of the electrical system, before proceeding with any check, the power supply to the panel must be disconnected by placing the main power switch in the open position (O).
  • Page 39 CHAP. 8 - Maintenance ECP300 EXPERT STEPPER MAINTENANCE Programmed maintenance is necessary to ensure the functionality of the electrical panel over time and avoid that the deterioration of some elements becomes a source of danger to people. It must be carried out exclusively by specialised technical personnel and in compliance with general safety standards.

  • Page 40: Attachments / Appendices

    THIS DECLARATION OF CONFORMITY IS ISSUED UNDER THE EXCLUSIVE RESPONSIBILITY OF THE MANUFACTURER: PEGO S.r.l. Via Piacentina 6/b, 45030 Occhiobello (RO) – Italy – Società soggetta all’attività di direzione e coordinamento di Castel S.r.l. DENOMINAZIONE DEL PRODOTTO IN OGGETTO / DENOMINATION OF THE PRODUCT IN OBJECT ❑...
  • Page 41 Attachments / Appendices ECP300 EXPERT STEPPER BOARD CONNECTION DIAGRAM Digital and analogical input diagram: DIGITAL INPUTS 2) Digital input 1 (Door switch) 4) Digital input 3 (Man in cell alarm) 3) Digital input 2 (Compressor protection) 12) Digital input 4...
  • Page 42 Attachments / Appendices ECP300 EXPERT STEPPER Output diagram: OPERATION AND MAINTENANCE MANUAL Page 42 Rev. 01-20...
  • Page 43 Attachments / Appendices ECP300 EXPERT STEPPER CONNECTION DIAGRAM TO THE TELENET NETWORK Remember to assign a network address consistent with the current TeleNET network, if present (2 level parameter Ad). OPERATION AND MAINTENANCE MANUAL Page 43 Rev. 01-20...
  • Page 44 ECP300 EXPERT STEPPER POSITIONING AND DESCRIPTION OF PROBES OPERATION AND MAINTENANCE MANUAL Page 44 Rev. 01-20...
  • Page 45 ECP300 EXPERT STEPPER VALVE CONNECTIONS Valve (par. tEU) PIN 1A PIN 2A PIN 2B PIN 1B 1 = Carel EXV GREEN BROWN YELLOW WHITE 2 = Danfoss ETS 25-50 GREEN WHITE BLACK 3 = Danfoss ETS 100 GREEN WHITE BLACK...
  • Page 46 ECP300 EXPERT STEPPER NOTES ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ OPERATION AND MAINTENANCE MANUAL Page 46 Rev. 01-20...
  • Page 47 ECP300 EXPERT STEPPER OPERATION AND MAINTENANCE MANUAL Page 47 Rev. 01-20...
  • Page 48 Tel. +39 0425 762906 Fax +39 0425 762905 e-mail: info@pego.it – www.pego.it AFTER-SALES ASSISTANCE SERVICE Tel. +39 0425 762906 e-mail: tecnico@pego.it Distributor: OPERATION AND MAINTENANCE MANUAL Page 48 Rev. 01-20 PEGO s.r.l. reserves the right to make changes to this manual at any time.

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11030esuvd02

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