Pego ECP200 STEPPER User Manual
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Pego ECP200 STEPPER User Manual

Electronic board for stepper valve control
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ECP200
REV. 01-21
ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS
ENG
ELECTRONIC BOARD FOR STEPPER VALVE CONTROL
User manual
ENGLISH
READ AND KEEP
STEPPER
Software Rel.: 1

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Summary of Contents for Pego ECP200 STEPPER

  • Page 1 ECP200 STEPPER ELECTRONIC BOARD FOR STEPPER VALVE CONTROL User manual ENGLISH READ AND KEEP Software Rel.: 1 REV. 01-21 ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS...
  • Page 2 ECP200 STEPPER OPERATION MANUAL Page 2 Rev. 01-21...

  • Page 3: Table Of Contents

    ECP200 STEPPER TABLE OF CONTENTS INTRODUCTION CHAP. 1 Page 4 General information Page 5 Product identification codes TECHNICAL SPECIFICATIONS CHAP. 2 Page 6 2.1 Technical characteristics Page 7 2.2 Warranty conditions DATA PROGRAMMING CHAP. 3 Page 8 Control panel Page 8...
  • Page 4 CHAPTER 1: INTRODUCTION GENERAL INFORMATION DESCRIPTION: The ECP200 STEPPER is a cell control electronic board for the management of refrigeration systems with integrated control of the motorised electronic expansion valve and consent for motorised condensing units. It allows the complete management of all the components present in a refrigeration system, such as the compressor, EEV Stepper, evaporator fans, defrosting resistors, cell light and thermostat-controlled door anti-fog resistance.
  • Page 5 Chap. 1 - Introduction ECP200 STEPPER RS485 for connection to the TeleNET supervision network or to a network with Modbus-RTU protocol. Parameter import / export via USB. Software upgradeable via USB. Cell light activation with key on the panel or via Door switch.
  • Page 6 Chap. 2 - Technical specifications ECP200 STEPPER CHAPTER 2: TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Electronic board power supply 12-24 Vac  10% 50-60Hz Voltage 12-24 Vdc Maximum power consumption Maximum absorption allowed 1,5W (With all loads connected) General Features Temperature probes: NTC 10K 1%...

  • Page 7: Warranty Conditions

    Pego S.r.l. declines all responsibility for possible inaccuracies contained in this manual, if due to printing or transcription errors. Pego S.r.l. reserves the right to make any changes to its products that it deems necessary or useful, without affecting their essential characteristics.

  • Page 8: Control Panel

    Chap. 3 - Data programming ECP200 STEPPER CHAPTER 3: DATA PROGRAMMING CONTROL PANEL            FRONT KEYBOARD    AUXILIARY RELAY COMMAND/SAVE PARAMETERS to USB Manually controls the relay if parameter AU1/AU2=2.

  • Page 9: Led Display

    Chap. 3 - Data programming ECP200 STEPPER DOWN / DEFROST  Pressed for more than 3 seconds activates manual defrost (if the activation conditions are met). Pressed for more than 3 seconds during defrosting, it ends the present defrosting. ...

  • Page 10: Key Combinations

    Chap. 3 - Data programming ECP200 STEPPER KEY COMBINATIONS 1ST-LEVEL PROGRAMMING If pressed simultaneously for more than 3 seconds, they allow access to the first level programming menu. LEAVING THE PROGRAMMING If pressed simultaneously for more than 3 seconds within any programming menu.

  • Page 11: First Level Programming

    Chap. 3 - Data programming ECP200 STEPPER FIRST LEVEL PROGRAMMING (User level) To access the first-level configuration menu you must:   1. Press simultaneously and hold for more than 3 seconds the ( ) and ( ) keys until the first programming variable appears on the display.

  • Page 12: List Of Third Level Variables

    Chap. 3 - Data programming ECP200 STEPPER 2ND-LEVEL PROGRAMMING (Installer level) To access the second programming level you must:   1. Press and hold the UP ( ), DOWN ( ), and CELL LIGHT keys for more than 3 seconds.
  • Page 13 Chap. 3 - Data programming ECP200 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...
  • Page 14 Chap. 3 - Data programming ECP200 STEPPER Auxiliary relay temperature setting -45 ÷ +99°C 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)
  • Page 15 Chap. 3 - Data programming ECP200 STEPPER -7 (NO) = DO5 relay energised by the solenoid valve control -6 (NC) = Relay de-energised in standby -5 (NC) = Contact for sump resistance command (AUX relay closed if compressor output not active).
  • Page 16 Chap. 3 - Data programming ECP200 STEPPER 3RD-LEVEL PROGRAMMING (EEV PARAMETERS) 3.10 To access the third programming level you must:  1. Press and hold the UP ( ) and STAND-BY keys for more than 3 seconds.   2. Select with the ( ) key or the ( ) key the variable to be modified.
  • Page 17 ECP200 STEPPER 0 = NTC Type of temperature transducer (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 18: Loading Default Settings Based On The Eev Variable

    ECP200 STEPPER threshold (minimum saturated evaporation temperature referred to sensor S5). Represents the minimum evaporation pressure, expressed in saturated degrees, below which -45°C ÷ (MOP-1) -45°C 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 19 Chap. 3 - Data programming ECP200 STEPPER 4TH-LEVEL PROGRAMMING (STEPPER VALVE PARAMETERS) 3.13 To access the fourth programming level press and hold the SET and STANDBY keys for more than 3 seconds. When the first programming variable appears, the system automatically switches to standby.

  • Page 20: 1= Valve Not Configured

    Chap. 3 - Data programming ECP200 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 HSP ÷ 999 position of fully closed. Driver and valve are then ready for adjustment and both aligned to 0 (zero).

  • Page 21: Refrigeration Fluid Temperature Table

    Chap. 3 - Data programming ECP200 STEPPER REFRIGERATION FLUID TEMPERATURE TABLE 3.15 The following table shows the evaporation temperature limits (tS5, see ch. 5.15) according to the type of refrigeration fluid set (ErE parameter). Parameter Temperature Temperature Encoding ErE parameter...

  • Page 22: Thermostat Operating Mode

    Chap. 3 - Data programming ECP200 STEPPER THERMOSTAT OPERATING MODE 3.18 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.

  • Page 23: Defrosting With Thermostat Resistors

    5) Appropriately connect the electronic valve (see Appendix A2 and A4) with the control off. 6) Turn on the ECP200 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 24: Telenet Monitoring/Supervision System

    Chap.4 - Options ECP200 STEPPER CHAPTER 4: 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 the “Module” option select the item "ECP200EEV instrument“.

  • Page 25: Diagnostics

    CHAPTER 5: DIAGNOSTICS DIAGNOSTICS The ECP200 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 (if present). The audible alarm is silenced by pressing the UP key (the error code remains) and is reactivated by pressing the SET key.
  • Page 26 Chap. 5 - Diagnostics ECP200 STEPPER • Check the compressor status. • Check the compressor protection oil Compressor oil pressure switch protection insertion: the outputs are all deactivated except for pressure switch. • If the problem persists, contact technical the alarm one, if present.

  • Page 27: Connection Diagram

    Attachments ECP200 STEPPER ATTACHMENTS CONNECTION 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 11) GND (common digital inputs 1 and 2)
  • Page 28 Attachments ECP200 STEPPER Output diagram: OPERATION MANUAL Page 28 Rev. 01-21...

  • Page 29: Positioning And Description Of Probes

    Attachments ECP200 STEPPER POSITIONING AND DESCRIPTION OF PROBES OPERATION MANUAL Page 29 Rev. 01-21...

  • Page 30: Valve Connection

    Attachments ECP200 STEPPER VALVE CONNECTION 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 31 ECP200 STEPPER OPERATION MANUAL Page 31 Rev. 01-21...
  • Page 32 Via Piacentina, 6/b 45030 Occhiobello (RO) - ITALY Tel. +39 0425 762906 e-mail: info@pego.it – www.pego.it AFTER-SALES ASSISTANCE Tel. +39 0425 762906 e-mail: tecnico@pego.it Distributor: OPERATION MANUAL PEGO s.r.l. reserves the right to make changes to this manual at any time. Page 32 Rev. 01-21...

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