200PEVP01
Contents
1. 0 disables the LOP protection and relative LOP alarm signal 0 100 THE PROTECTION IS NOT ENABLED DURING THE START UP PHASE ESt TIMER OR DURING THE DEFROSTING OR POST DEFROSTING PHASE Edt TIMER Activation delay of the LOP alarm the LOP alarm is triggered only after it has remained active for the LOd time In the event of an LOP alarm The alarm is automatically reset when Temp S5 gt 0 240 tenths of a second When the alarm is active The LOP message blinks on the display The buzzer is activated Note all the calculation times of the LSH LOP are reset when the control stops OR DURING THE START PHASE ESt TIMER OR DURING THE DEFROSTING OR POST DEFROSTING PHASE Edt TIMER Loading of default settings on the basis of the EEV variable EEV 1 EEV 2 EEV 3 EEV 4 EEV 4 PEGO DEFAULT ROOM or TN ROOM or BT ROOM or ROOM or REFRIGERATED REFRIGERATED DUCTED TN DUCTED BT COUNTER control COUNTER control REFRIGERATED REFRIGERATED with on board with on board COUNTER COUNTER EFI e e E 01 14 USER AND MAINTENANCE MANUAL PEV PULSE CHAP 5 Data programming VARIABLE QUICK VIEW MENU READ ONLY 5 10 During start up of the system it can be useful to quickly check the detection efficiency of the various sensors or some of the values to assess or improve upon the process To access the variable quick view menu press and hold the DOWN key2. 0 5 of temperature sensor detection 45 to 45 Compatible type of pressure sensor pressure sensor 4 20mA radiometric 0 5V Output features Description Relay installed Features of output board Alarm voltage free _ contact 8A relay 8 3 A 250V Pulse valve triac 50VA pulse valve Dimensional features Dimensions 12 15cm x 7 1 x 10 5cm HxWxL Dimensions console echo 3 7cm x 2 31cm x 9 3cm HxWxL Insulation and mechanical properties Degree of protection of front console remote controlled by the power section if assembled on IP65 front of board Material of boxes PC ABS self extinguishing UL94 V 0 Type of insulation Class II Conformity to EU standards low voltage directive EMC compatibility and CE marking lt conforms to the following EC directives Directives 2004 108 EC 2006 95 EC It conforms to the following harmonized standards EN60335 1 EN378 1 2003 EN61000 6 1 EN61000 6 3 Rev 01 14 USER AND MAINTENANCE MANUAL PEV PULSE CHAP 4 Terms of the guarantee 4 1 TERMS OF THE GUARANTEE The PEV PULSE electronic controls are guaranteed against all manufacturing defects for 24 months from the date in the production identification code or the date on the product registration card when applicable In the event of defects the device must be returned properly packaged to our Site or authorized assi
3. key for over seconds When the first programming variable appears 1 Use the key or Y key to select the variable to be modified After selecting the required variable it is possible to 2 View its configuration by pressing the SET key 3 Edit configuration by pressing and holding the SET key and pressing either the key or the Y key 4 After setting the configuration values exit the menu by pressing and holding for several seconds keys and Y until the room temperature value appears The system closes the menu when the keypad is not used for over 30 seconds 5 Any changes made to the variables are saved automatically when the system closes the configuration menu Valve control continues even when the menu is open 5 7 LIST OF LEVEL 1 VARIABLES Installer Level 2 Defrosting with DI 1 1 ON EEV Driver with DI 1 Setting of digital input and activation status 0 Disabled 1 ON EEV Driver with DI 0 2 Defrosting with DI 0 2 Defrosting with DI 1 1 ON EEV Driver with DI 1 Setting of DI2 digital input and activation status 0 Disabled 1 ON EEV Driver with DI 0 2 Defrosting with DI 0 2 DOS relay enabled with solenoid valve control 1 DOS relay enabled in presence of alarm 0 DOS relay disabled 1 DOS relay disabled in presence of alarm 2 DOS disabled with solenoid valve control Setting use of DO3 digital output Configurable auxiliary relay Alar
4. use conductors of a suitable size measuring no less than 1 mm Extension or shortening of the sensors may alter the factory settings use an external thermometer therefore for testing and calibration STANDARD EQUIPMENT FOR ASSEMBLY AND USE 2 2 The PEV PULSE electronic controller is provided with the following for assembly and use e 1 user manual Pego Ravina USER AND MAINTENANCE MANUAL pose PEV PULSE CHAP 2 Installation 2 3 INSTALLATION OF BOARD Fig 1 Install the module on the DIN guide and close the bottom clamp to hold it in place A hin 4 iif Make all the electrical connections with reference to the diagrams of the relative model see the relative tables in the ANNEXES During the cabling process it is advisable to keep the power conductors isolated from the signal conductors USER AND MAINTENANCE MANUAL Rev 01 14 CHAP 3 Technical features PEV PULSE CHAPTER 3 TECHNICAL FEATURES TECHNICAL FEATURES 3 1 Power supply Voltage 230 V 10 50Hz 60Hz Max power consumption electronic control only 7 Climatic conditions Operating temperature 5 to 50 otorage temperature 10 to 70 Relative ambient humidity Less than 90 RH General features Compatible types of temperature sensor Temperature sensors NTC 10K 196 Resolution of temperature sensors 0 1 Precision of temperature sensor detection
5. variable it is possible to 2 Visualizzarne l impostazione premendo il tasto SET 3 Edit configuration by pressing and holding the SET key and pressing either the key or the Y key 4 After setting the configuration values press and hold both the key and the Y key to return to the room temperature value and exit the menu The system exits the menu when the keypad is not used in 3o seconds 5 Any changes made to the variables are saved automatically when the system closes the configuration menu Valve control continues even when the menu is open LIST OF LEVEL 2 VARIABLES EEV parameters 5 9 Management of the EEV electronic valve With EEV 0 all the controls and relative signals are disabled The relative errors of the S4 sensors outlet temperature and S5 sensors evaporation pressure are also disabled and excluded 1 EEV control default 1 Settings 1 to 4 load the default values of the variables ECt 2 EEV control default 2 EP Etd ELS 3 EEV control default 3 After exiting the programming process the default values are 4 EEV control default 4 loaded if the value of the EEV differs from the one saved 5 EEV control default 5 previously Pressing just the Set key to view the current EEV value does not load the default values Type of refrigerant GAS in use The setting of this parameter is essential for correct operation USER AND MAINTENANCE MANUAL Rev 01
6. 14 CHAP 5 Data programming PEV PULSE Cycle time This represents the sum of the timers of an EEV valve opening closing cycle The opening and closing timers of the ECI EEV are calculated on this basis 1 20 sec E Example if the EEV valve has to be opened by 30 EEV valve opening timer ECt 30 100 EEV valve closing timer ECt 100 30 100 EPb Proportional band gain superheat control PID 1 100 Integral timer superheat PID control algorithm steps of 2 sec Derivative timer superheat PID control algorithm 2 0 steps of 0 1 sec EEV valve opening percentage in event of error with S4 or EOE S5 sensors This function permits diminished control in the 5096 event of a fault with one of the control sensors ESO During the Start up phase the EEV valve opens by the ESO 0 100 959 percentage for ESt time 6 Duration of the Start up phase The superheat alarms are disabled during this phase 0 Edt in tenths of a second The MOP LOP and LSH alarms are disabled during this phase EdO After defrost the EEV valve opens by the EdO percentage for 0 100 100 the Edt time Duration of EdO valve opening phase after defrost The superheat alarms are disabled during this phase The MOP LOP and LSH alarms are disabled during this phase tenths of a second ESt 24 Edt ESt 250 tenths of a second tenths of a Maximum opening percentage of EEV valve In the case
7. 200PEVPO1 Driver for 230V Pulse electronic expansion valve Stand by Set User and maintenance manual ENGLISH READ AND KEEP Flectrical Boards 249 REV 01 14 EN ELECTRICAL BOARDS FOR REFRIGERATING INSTALLATIONS Jm D 110 INTRODUCTION 1 3 1 1 3 1 2 Product identification codes Page 4 1 3 Overall dimensions Page 4 1 4 Identification data INSTALLATION Page 5 2 1 General rules for the installer CHAP 2 Page 5 2 2 Standard equipment for assembly and use Page 6 2 3 Installation of the board TECHNICAL FEATURES CHAP 3 7 3 1 Technical features TERMS OF THE GUARANTEE ELTEB Page 8 4 1 Terms of the guarantee DATA PROGRAMMING Page 9 5 1 Control panel 5 9 5 2 Front keypad Page 10 5 9 LED display Page 10 5 4 Combination of keys Page 11 5 5 Setting and viewing of ESH set points Page 12 5 6 Level 1 programming Page 12 8 7 List of Level 1 variables Page 13 5 8 Level 2 programming Page 13 5 9 List of Level 2 variables Page 17 5 10 Variable quick view menu read only Page 17 5 11 List of variables in variable quick view menu read only Page 17 5 12 Password function OPTIONS Page 18 6 1 TelNET monitoring supervision system CHAP 6 Page 18 6 2 Network configuration with Modbus RTU protocol DIAGNOSTICS Page 19 7 1 Diagnostics CHAP 7 ANNEXES Page 20 A 1 CE Declaration
8. 7 and STANDBY key for over seconds Use the Up and Down arrow keys to view the labels of the variables in this menu Press the Set key to alternate between a label and its value To facilitate reading press the Set key to switch between a label and its value It is not necessary to hold down the set key With the value of a label on display press the up or down arrow to view the next or previous label and switch from the value to the label To exit the menu press the up and down arrow keys together Alternatively the system closes the menu automatically when the keypad is not used for 2 minutes LIST OF VARIABLES IN THE QUICK VIEW MENU READ ONL Y 5 11 VARIA BLES MEANING VALUES 4 View Inlet Temperature sensor S4 read only 154 155 View Evaporation Temperature sensor S5 read only View Evaporation Pressure sensor S5 read only Bar View superheat temperature read only EEV valve opening percentage read only PASSWORD FUNCTION 512 The password function is enabled by setting a value other than o in the PA parameter See parameter P1 for the various levels of protection Protection is enabled automatically when the keypad is not used for 3o seconds The digits ooo appear on the display Use the up down arrow keys to edit the number and press the SET key to confirm The ooo password window disappears if the keypad is not used for seconds If you forget the password use the univers
9. FETTI DELLE SEGUENTI NORME comprese tutte le modifiche THE CONFORMITY WITH THE REQUIREMENTS OF THIS DIRECTIVE IS TESTIFIED BY COMPLETE ADHERENCE TO THE FOLLOWING STANDARDS including all amendments Norme armonizzate EN 60335 1 EN 378 1 2003 EN 61000 6 1 EN 61000 6 3 European standards EN60335 1 EN 378 1 2003 EN 61000 6 1 EN 61000 6 3 IL PRODOTTO E COSTITUITO PER ESSERE INCORPORATO IN UNA MACCHINA O PER ESSERE ASSEMBLATO CON ALTRI MACCHINARI PER COSTITUIRE UNA MACCHINA CONSIDERATE DALLA DIRETTIVA 2006 42 CE Direttiva Macchine THE PRODUCT HAS BEEN MANUFACTURED TO BE INCLUDED IN A MACHINE OR TO BE ASSEMBLED TOGETHER WITH OTHER MACHINERY TO COMPLETE A MACHINE ACCORDING TO DIRECTIVE EC 2006 42 Machinery Directive Occhiobello RO 01 08 201 1 Paolo Pegorari a Pedo Ranoni USER AND MAINTENANCE MANUAL Page 21 Power supply section 1 2 Section of EEV electronic valve PEV PULSE CONNECTION DIAGRAM v LED DL8 board status OFF POWER OFF BLINK board OK FAST Blink 2 board alarm Primary display connection Echo display connection 230 Vac 50 60Hz power supply 230Vac J2 internal bridge set between 1 2 PWM output for control of EEV electronic valve at 230Vac PWM output for control of EEV electronic valve at 230Vac NOT USED Configurable relay Alarm RELAY 8A Brand SCHRACK Code RY211012 To terminal 4 of the RS485 interface for TeleNet Modbus RTU To terminal 3 of the RS485 interface f
10. al number 100 USER AND MAINTENANCE MANUAL Rev 01 14 CHAP 6 Options PEV PULSE CHAPTER 6 OPTIONS 64 TELENET MONITORING SUPERVISION SYSTEM In order to connect the board to the TeleNET network follow the diagram below Configure the instrument with reference to the TeleNET manual IMPORTANT During configuration of the Module select PEV PULSE instrument TeleNET TWRS485 TEMA CONFIGURATION OF NETWORK WITH MODBUS RTU PROTOCOL Connect the board to a RS485 network with Modbus RTU protocol with reference to the diagram below Refer to the MODBUS RTU PEV PULSE manual available on our website for the specifications of the MODBUS RTU communication protocol TYPICAL CONNECTION TYPICAL CONNECTION RS485 RS485 A A N gt A Co Oo gt 00 m m gt 0 Pu Wm NEM 1 1 1 x RS485 Pego Ravina USER AND MAINTENANCE MANUAL PEV PULSE CHAP 7 Diagnostics CHAPTER 7 DIAGNOSTICS DIAGNOSTICS 71 In the event of a fault the PEV PULSE controller displays alarm codes on the screen and triggers the buzzer when applicable The auditory alarm can be stopped by pressing the UP key the error code remains and reactivated by pressing the SET key One ofthe following messages appears on the screen when an alarm condition occurs ALARM CODE POSSIBLE CAUSE ACTION TO BE TAKEN Check the condition of the sensor Functional fault of the and its connections 54 inl
11. e event of poor operation attributable to tampering collisions and inadequate installation It is obligatory to observe all the rules in this manual and the operating conditions of the device PEGO S r l cannot assume any responsibility for inaccuracies in this manual attributable to printing or transcription errors PEGO S r l reserves the right to make changes to its products that it considers necessary or useful without affecting their essential characteristics Each new release of the manuals for PEGO s products replaces all previous releases Unless specified otherwise the guarantee is governed by the rules in force and in particular article 1512 of the Italian Civil Code All disputes are settled at the Court of Rovigo USER AND MAINTENANCE MANUAL Rev 01 14 CHAP 5 Data programming PEV PULSE CHAPTER 5 DATA PROGRAMMING CONTROL PANEL 51 Mal lile FRONT KEYPAD 5 2 UP KEY nd Increases value Scrolls up through parameters EM off auditory alarm in progress Acquires an alarm EM gt KEY Decreases value Scrolls down through parameters STAND BY THE PEV PULSE CAN BE PAUSED NOT BY PRESSING THE KEY BUT BY DISABLING IT AT THE DIGITAL INPUT OR LAN USER AND MAINTENANCE MANUAL Rev 01 14 eral PEV PULSE CHAP 5 Data programming SET Shows the setpoint Enables configuration of the SUPERHEAT setpoint when pressed together w
12. eeps to confirm access to the menu To exit the menu press the up and down arrow keys together the system beeps to confirm Alternatively the system closes the menu automatically when the keypad is not used for 30 seconds VARIABLE QUICK VIEW MENU READ ONLY Pressing both together for more than 3 seconds enables access to the variable quick view menu The system beeps to confirm access to the menu Use the Up and Down arrow keys to view the labels of the variables Stand by Press the Set key to alternate between a label and its value With the value of a label on display press the up or down arrow to view the next or previous label To exit the menu press the up and down arrow keys together the system beeps to confirm Alternatively the system closes the menu automatically when the keypad is not used for 30 seconds VIEWING AND CONFIGURATION OF ESH SETPOINT 5 5 1 Press the SET key to view the current SETPOINT value ESH 2 Pressing and holding the SET key and pressing one of the keys or Y alters the value of the ESH SETPOINT Release the SET key to return to the ESH temperature Any changes made are saved automatically Range of the ESH SETPOINT 0 1 25 USER AND MAINTENANCE MANUAL Rev 01 14 Page 12 CHAP 5 Data programming PEV PULSE 5 6 LEVEL 1 PROGRAMMING Installer level To access Level 2 programming press and hold the UP key DOWN key and STAND BY
13. es Evaporator superheat control a Pedo Ranoni USER AND MAINTENANCE MANUAL Page 3 PEV PULSE CHAP 1 Introduction 1 3 OVERALL DIMENSIONS Dimensions in mm PEV PULSE CONSOLLE ECHO 8 Q3 a 23 1 105 71 1 4 IDENTIFICATION DATA The device described in this manual has a plate on one side bearing the identification data e Name of Manufacturer Code and model of the electrical board of the device e Serial number Date of manufacture RoHS compliant ce Description PEV PULSE 230v pulse Code 200PEVP01 S N 2010021365 Date 24 01 2012 CHAP 2 Installation PEV PULSE CHAPTER 2 INSTALLATION GENERAL RULES FOR THE INSTALLER 2 1 1 Install the device in an area that ensures the correct degree of protection and take all due care when drilling holes in the box for the cable glands and or hoses 2 Avoid using multi pole cables with conductors connected to inductive and power conductors and signal conductors like sensors and digital inputs 3 Avoid inserting ducts and power cables with signal cables sensors and digital inputs in these 4 Minimize the length of the connecting cables to prevent these from coiling up and adversely affecting the electronics through induction 5 All the conductors of the cables must be of an appropriate size to withstand the required load 6 When extensions are needed for the sensors it is necessary to
14. et temperature sensor If the problem persists replace the sensor Check the condition of the sensor Functional fault of the and its connections Evaporation pressure sensor S5 e Ifthe problem persists replace the sensor Low superheat alarm E4 E5 LSH OP Alarm for maximum saturated evaporation temperature exceeded in relation to sensor S5 L Alarm for minimum saturated evaporation temperature exceeded in relation to sensor S5 ELEM Connection between display and unit interrupted EEPROM alarm An error was found in the EEPROM memory requires reactivation of the board The outputs are all disabled apart from the alarm outputs if configured G Page 20 igo PEV PULSE ANNEXES 1 DECLARATION OF CONFORMITY COSTRUTTORE MANUFACTURER Hlectrical Boards PEGO S r l Via Piacentina 6 6 45030 Occhiobello RO Italy Tel 439 0425 762906 Fax 39 0425 762905 OC n DENOMINAZIONE DEL PRODOTTO NAME OF THE PRODUCT MOD 200 1 PEV PULSE IL PRODOTTO E CONFORME ALLE SEGUENTI DIRETTIVE CE THE PRODUCT IS IN CONFORMITY WITH THE REQUIREMENTS OF THE FOLLOWING EUROPEAN DIRECTIVES Direttiva Bassa Tensione LVD 2006 95 CE Low voltage directive LVD EC 2006 95 Direttiva EMC 2004 108 CE Electromagnetic compatibility EMC EC 2004 108 LA CONFORMITA PRESCRITTA DALLA DIRETTIVA GARANTITA DALL ADEMPIMENTO A TUTTI GLI EF
15. ing from the opening percentage of the abandoned PID 0 disables the MOP protection Enabling of this protection starts the MOd counter for and relative MOP alarm signal activating the MOP alarm 0 100 THE MOP PROTECTION IS NOT ENABLED DURING THE START UP PHASE ESt TIMER OR DURING THE DEFROSTING OR POST DEFROSTING PHASE Edt TIMER MOP alarm activation delay the MOP alarm 15 triggered only after the MOP protection has remained active for the MOd tme The alarm is automatically reset when Temp S5 lt MOP 0 240 tenths of a second When the alarm is active The MOP message blinks on the display The buzzer is activated LOP threshold minimum saturated evaporation temperature in relation to the S5 sensor 45 C MOP 1 This represents the minimum saturated evaporation pressure USER AND MAINTENANCE MANUAL Rev 01 14 CHAP 5 Data programming PEV PULSE below which the LOP protection is activated When LOP protection is enabled the control opens to prevent the compressor from stopping due to low pressure mechanical pressure switch protection activated when tS5 lt LOP When LOP protection is enabled the valve abandons its control PID and for each stage of the cycle opens by the ELO percentage starting from the opening percentage of the abandoned PID Enabling of this protection starts the LOd counter for activating the LOP alarm THE LSH PROTECTION TAKES PRIORITY OVER THE LOP PROTECTION
16. ith the Down or UP key Resets an auditory alarm in progress USER AND MAINTENANCE MANUAL Page 10 Rev 01 14 CHAP 5 Data programming PEV PULSE LED DISPLAY Shows the values parameters DEFROSTING ICON LED OFF Defrosting input OFF LED ON Defrosting input ON EEV OUTPUT STATUS ICON Output status of the EEV electronic valve LED OFF EEV output OFF LED ON EEV output ON PRG ICON Blinking LED Programming ALARM IN PROGRESS ICON LED OFF No alarm in progress LED ON Alarm triggered and then cancelled Blinking LED Alarm in progress COMBINATION OF KEYS EXIT PROGRAMMING Pressing both keys together for over 3 seconds in any programming menu saves all changes made and exits the menu concerned A beep is emitted when the system closes the menu LEVEL 1 PROGRAMMING Pressing both keys together for more than 3 seconds enables access to the Level 2 programming menu A beep is emitted when the system opens the menu To exit the menu press the up and down arrow keys together the system beeps to confirm Alternatively the system closes the menu automatically when the keypad is not used for 30 seconds USER AND MAINTENANCE MANUAL Rev 01 14 PEV PULSE CHAP 5 Data programming LEVEL 2 PROGRAMMING EEV parameters Pressing both keys together for more than 3 seconds enables access to the Level 3 programming menu n Stand by The system b
17. m Note Solenoid valve control involves a normal solenoid valve and the output repeats the ON input of the Driver 1 tS4 Viewing of Inlet temperature sensor S4 2 tS5 Viewing of Evaporation temperature sensor S5 Viewing of main page 3 PS5 Viewing of Evaporation pressure sensor 55 4 tSH Viewing of Superheat temperature 5 oEV Opening percentage of EEV valve TC 0 TeleNET protocol RS 485 communication protocol 1 Modbus RTU protocol Network address for connection to TeleNET or 0 to 31 with SEr 0 Modbus supervision system 1 to 247 with SEr 1 Rev 01 14 USER AND MAINTENANCE MANUAL PEV PULSE CHAP 5 Data programming 0 shows only the setpoint and permits deactivation of the alarms 1 shows the setpoint permits deactivation of the alarms Password type of protection access to the read only variable menu active when PA is not at 0 2 disables access to level 1 and 2 programming access permitted to all other functions 3 disables access to level 2 programming access permitted to all other functions Password 0 999 see P1 for the type of protection 0 function disabled LEVEL 2 PROGRAMMING EEV parameters 5 8 To access Level 2 programming press and hold the UP key and STANDBY key for over 3 seconds When the first programming variable appears 1 Use the key or Y key to select the variable to be modified After selecting the required
18. of an oversize valve this variable permits limitation of maximum 0 100 opening of the valve at a set percentage 0 4 20mA pressure transducer connected to the instrument a Re OL 39 1 0 5V ratiometric pressure EPP Sets the type of transducer for detecting the Evaporation transducer connected to the pressure S5 instrument EHO t x Pressure bar corresponding to 4mA or OV In relation to 1 0 EP2 bar the Evaporation pressure sensor S5 EP4 is always lt 24 5 Pressure bar corresponding to 20mA or 5V In relation to EPA 50 0 bar steps of 0 2 EP2 EP2 12 0 the Evaporation pressure sensor S5 is always gt 0 CA4 Calibration of the inlet temperature transducer 10 0 10 0 C 00 Calibration of the Evaporation pressure transducer S5 10 0 10 0 Bar Rev 01 14 USER AND MAINTENANCE MANUAL PEV PULSE CHAP 5 Data programming LSH ELS SHd MOP EMO MOd LOP LSH threshold low superheat temperature Superheat values that are too low can cause return of the liquid to the compressor or extreme oscillations Below the LSH threshold the ELS protection forces the PID 0 SH set control to close the valve more quickly and bring the value back up to the superheat setpoint 0 2 disables the LSH protection and signalling of the relative LSH alarm 1 5 2 10 3 15 20 25 30 35 50 9 100 no cor
19. of Conformity Page 21 A 2 Connection diagram Page 22 A 3 Layout and description of sensors Page 2 USER AND MAINTENANCE MANUAL Rev 01 14 CHAP 1 Introduction PEV PULSE CHAPTER 1 INTRODUCTION GENERAL DESCRIPTION The PEV PULSE is anelectronic regulator for controlling the 230 VAC ON OFF electronic expansion valve with coil be configured on either the remote display or the integrated display It is compatible with the most common 230VAC ON OFF electronic expansion valves and integrates evaporator superheat control APPLICATIONS Refrigerated counters and cold rooms MAIN FEATURES Control of the 230VAC ON OFF electronic expansion valve with coil Integrated or remote control console RS485 serial connection with TeleNET or Modbus protocol which can be selected in the parameters Two configurable digital inputs Inlet temperature and evaporation pressure sensor for evaporator superheat control Remote display with IP65 protection Easy programming of parameters with 4 pre settings for the various applications of the electronic expansion valve Alarm signalling LED status signals and large display screen Userfriendly keypad PRODUCT IDENTIFICATION CODES 1 2 Z00PEVP01 Electronic regulator for control of the electronic expansion valve can be configured on either the remote display or the integrated display It is compatible with the most common 230VAC ON OFF electronic expansion valv
20. or TeleNet Modbus RTU Configurable digital input 2 Configurable digital input 1 Common digital inputs Common analogue sensors gnd Input NTC sensor 54 Temperature of superheated gas for EEV Evaporation pressure sensor 55 x EEV 4 20mA analogue input with closed J1 0 5V x ratiometric pressure sensor with open J1 5 ratiometric sensor power supply to be used only with open J1 3 4 5 Section of digital outputs voltage free contacts 6 7 TeleNet section 18 RS485 A2 19 RS485 A2 Section of digital inputs 23 012 24 012 25 COM DI Section of analogue inputs 26 COM AN gnd 27 AN 4 28 AN 5 29 COM AN 5V 30 COM AN 12V USER AND MAINTENANCE MANUAL 12V 4 20mA sensor power supply to be used only with closed J1 Rev 01 14 gy cria Barts p e Qo PEV PULSE A 3 LAYOUT AND DESCRIPTION OF THE SENSORS EEV P Evaporator Condenser E m m SUL 4 Inlet temperature 01 55 Compressor Pego USER AND MAINTENANCE MANUAL Page 23
21. rection and activation only of the LSH alarm Low superheat protection When this is enabled and SH lt LSH the PID integration timer is set on the basis of the selection of 1 to 7 of the ELS Value 1 is for the quickest closing time Enabling of this protection starts the SHd counter for activating the LSH alarm THE LSH PROTECTION TAKES PRIORITY OVER THE LOP PROTECTION THE LSH PROTECTION IS NOT ACTIVATED DURING THE START UP PHASE ESt TIMER OR DURING THE DEFROSTING OR POST DEFROSTING PHASE Edt TIMER Activation delay of the superheat alarm the LSH superheat alarm is triggered only after it has remained active for the SHd time In the event of an LSH alarm the valve closes instantly The alarm is automatically reset and recalled when SH gt LSH 0 240 tenths of a second When the alarm is active The LSH message blinks on the display The buzzer is activated MOP threshold Maximum Saturated Evaporation Temperature in relation to the S5 sensor This represents the maximum saturated evaporation pressure above which the MOP protection is activated EMO LOP 1 45 parameter When MOP protection is enabled the control closes the valve to limit evaporation temperature and to prevent the thermal protection from stopping the compressor MOP protection enabled when tS5 gt MOP When MOP protection is enabled the valve abandons its control PID and for each stage of the cycle closes by the EMO percentage start
22. stance centre after requesting and receiving the authorization number for returning the product The Customer has the right to repair the defective device inclusive of manual labour and spare parts The Customer assumes sole responsibility for the expenses and the risks associated with transport All work carried out under the terms of the guarantee does not renew or extend the duration of the guarantee The guarantee does not cover e Damage attributable to tampering negligence carelessness or inadequate installation of the device Installation use or maintenance not in compliance with the rules and instructions provided with the device Repairs carried out by unauthorized personnel Damage attributable to natural causes like lightning natural disasters etc In all the above cases the customer pays for the cost of repair Request for repairs under the terms of the guarantee may be refused if the device has been modified or converted PEGO S r l cannot assume responsibility for any loss of data or information the cost of replacement goods or services injury to people or animals loss of sales or earnings downtime and any direct indirect accidental pecuniary collateral punitive special or consequential damage or loss caused in any way within or outside the scope of the contract or due to negligence or other responsibilities associated with use or installation of the product The guarantee is terminated automatically in th
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