EWRC300/500LX
Contents
1. lt lill EWRC300 500LX Controllers for cold rooms for on board installation C LDFACE Invensys Controls Europe INTRODUCTION The Coldface EWRC300 500LX series controls the temperature of a static or ventilated cold room The instrument controls positive and negative cold rooms and is capable of managing a double evaporator and condenser probes Coldface has 3 or 5 configurable relays depending on the model 2 low voltage digital inputs configurable for door switch or other devices Models are available with clock with yearly calendar and HACCP event logging The instrument can be connected to TelevisSystem via the optional plug in module The box allows for installation of a power contactor or a disconnecting switch with door lock This summary document contains basic information about the standard models EWRC300 500LX For further information and different configurations refer to the complete user manual p n 9MA10023 which can be downloaded free of charge from the www eliwellL it website NAVIGATION DIAGRAM Display alarms if active Display HACCP alarms if function active 1 sec 1 sec Manual 2 sec defrost re 1 sec DE 3 sec Functions menu System info LOC keyboard lock rSE activate reduced Set rPA Pressure switch alarms rEd disable HACCP rHC reset HACCP alarms probe values display display probe values SetPoint amp Probes Pb1 Pb2 20 6 20 6 set time and date2. Oey modify SetPoint value Cw ES GET Parameters He QO Lim JE ae confirm with see manual see manual Ei Low High 196 50mm e Drill holes in the top or bottom of the backplate to pass the high and low voltage wires through Cable clamps must be no bigger than size PG29 e Remove the protective plate on the right of the door e Take out the 2 screws supplied and then open the cover EWRC300 S500LX e Screw the backplate to the wall using 4 screws not supplied to match the holes A D Shut the door and cover the screws with the corresponding late P 2 EN ELECTRICAL CONNECTIONS Output relay default settings e OUT1 relay 1 Compressor or liquid line valve e OUT2 relay 2 Defrost e OUTS relay 3 Evaporator fan e OUT4 relay 4 Alarm only EWRC500LX e OUTS relay 5 light only EWRC500LX Probe inputs default settings e Pb1 NTC cold room probe e Pb2 NTC defrost end probe e Pb3 Not used To switch between NTC PTC probe types use parameter H00 SWITCH OFF AND RESTART THE INSTRUMENT after making the change Digital Inputs default settings e D I 1 Door switch e D I 2 Disabled Serials e TTL for connection to Copy Card e TTL for connection to TelevisSystem e RS485 available ONLY with optional Plugin module for connection to TelevisSystem in the case of power connections e Fastons double row of fastons in series Important M
3. The upper display will show SEt the lower display will indicate the current SetPoint value e Press and release the DOWN key If the RTC clock is present the time will be shown in the lower display e Press and release the DOWN key once more The upper display will show Pb1 the lower display will indicate the value read by the room probe e Press and release the DOWN key once more to read the value of probe Pb2 and Pb3 if configured e Press the ESC key to return to the normal display How to modify the Lite Parameters The Lite parameters are the most useful parameters and are described in this document in the section Parameters Table 1 Press and hold the SET key for 3 seconds until the display shows PAr Lite 2 Press and release the SET key once more The upper display will show the first parameter the lower display will indicate the current parameter value 3 Using the UP amp DOWN keys find the parameter that you wish to modify 4 Press and release the SET key once more The upper display will show the name of the blinking parameter 5 Use the UP amp DOWN to adjust the parameter value 6 Press and release SET to save the parameter value 7 Return to step 3 or press ESC several times to return to the normal display 5 EN EWRC300 S00LX LITE PARAMETER TABLE This section describes the most useful parameters which are contained in the Lite folder For a description of all User USr and Installer Ins parameters
4. extension of the probes influences the instrument s electromagnetic compatibility EMC take great care with the wiring Probe cables power supply cables and the TTL serial cables should be routed separately from power cables EWRC300 500LX 10 EN IS014001 Eliwell has held ISO 14000 certification for a number of years thereby guaranteeing the effective application of its Environmental Management Policy Eliwell is a member of the Italian Electrical Engineering Association Comitato Elettrotecnico Italiano and makes an active contribution to regulatory development This ensures that Eliwell technical developers benefit from excellent training in the gn fields of e electrical safety e electromagnetic compatibility e respect for the environment Eliwell wishes to share its commitment to environmental sustainability with its customers by reducing its paper trail and providing online access to documentation For further information refer to the complete user manual which can be downloaded free of charge from the www eliwellLit website 4 40 Gr o 2 sincer EN CONDITIONS OF USE Permitted use For safety reasons the device must be installed and used according to the instructions provided In particular parts carrying dangerous voltages must not be accessible in normal conditions The device must be adequately protected from water and dust with regard to the application and must only be accessible using tools with the
5. see the user manual Note the Lite folder parameters are NOT divided into subfolders and are always visible no access password is required The same parameters are also visible in the respective folders Compressor Fans etc also indicated here for easy reference in the User USr and Installer Ins parameters menu PARA DESCRIPTION RANGE P s SEt SETPOINT Control value within the range between the minimum set point LSE and the maximum set point HSE LSE HSE 0 0 C F COMPRESSOR Compressor relay activation differential the compressor stops on reaching the set point value as indicated by the diF regulation probe and restarts at a temperature value equal to the set point plus the value of the differential Note 0 1 30 0 2 0 C F the value 0 cannot be set HSE Maximum value that can be assigned to the setpoint LSE 302 50 0 C F LSE _ Minimum value that can be assigned to the setpoint 55 0 HSE 50 0 C F Type of defrost 0 electric defrosting compressor off OFF during defrosting dtY 0 1 2 0 1 reverse cycle defrost hot gas compressor ON during defrosting 2 Free defrosting independently of compressor dit Interval between the start of two subsequent defrosting cycles 0 250 h 0 function disabled defrosting NEVER performed E dEt Defrost time out determines the maxi
6. 1 2HP 8 4 A 250V e OUT5 output SPST 1HP 8 8 A 250V Buzzer only on models where this is provided Serials e 1 TTL port for connection to Copy Card e 1 TTL port for connection to TelevisSystem e 1 RS 485 serial port for connection to TelevisSystem use with optional plug in module Accuracy better than 0 5 of end of scale 1 digit Resolution 1 or 0 1 C Power draw 14W Power supply 230V 10 50 60Hz WARNINGS Important Make sure the machine is switched off before working on the electrical connections The instrument is equipped with e Removable screw terminals for connecting electric cables of 2 5 mm maximum cross section one wire per terminal in the case of power connections for the capacity of the terminals see the label on the instrument The relay outputs are voltage free they are indicated on the board with the letters COM for Common NO for Normally Open and NC for Normally Closed contact When current exceeds 8A on relay outputs 2 x 2 5mm cables 2 fastons must be run out for each individual contact to ensure the temperature of the cables does not exceed 85 C e Fastons double row of fastons in series Do not exceed the maximum permitted current for higher loads use a contactor with sufficient power capacity Make sure that power supply Is of the correct voltage for the instrument Probes have no connection polarity and can be extended using a normal bipolar cable note that the
7. alarm types and the duration and start time of the alarm itself will be displayed in the alarms folder ALr It is possible to disable the recording of alarms and or resetting of HACCP alarms See Functions Menu FOR MORE INFORMATION READ the manual p n 9MA10023 EWRC300 S500LX 8 EN ALARMS TABLE This section lists alarms associated with the default configuration of the instrument For a description of alarms relating to custom configurations refer to the user manual or contact Eliwell Technical Support Folder Cause Effects Remedy e Label E1 displayed pa ol ee ___ Min max alarm regulator disabled e check probe type NTC PTC see H00 e measured values are outside operating E1 range e Compressor operation based on e check the probe wiring oe parameters Ont and OFt if set for duty replace probe e probe faulty short circuited open gde Pb2 defrost probe fault ee ets e Label E2 displayed e check probe type NTC PTC see H00 e measured values are outside operating _ E2 range e The Defrost cycle will end due to time out check the probe wiring P ter dEt e repl b e probe faulty short circuited open maleic aes jail ee pela e Recording of label AL1 in folder ALr e Wait for the temperature value read by Pb1 AL1 value read by Pb1 lt LAL after time of FAQ e No effect on regulation to come back above LAL AFd a ROEE A e Recording of label AH1 in folder ALr e Wait until temperature value rea
8. e Press and release the DOWN key once more to display other information about the instrument e Press the ESC key to return to the normal display EWRC300 S00LX TECHNICAL DATA DESCRIPTION Front panel IP54 Container Bayblend FR 110 Dimensions front 210x245mm depth 90mm Mounting wall mounting centre distance of holes A B 181 0 mm holes C D 196 5 mm See Mechanical Installation paragraph Connections e removable screw terminals for serial port RS 485 digital and analogue inputs e removable screw or FASTON terminals for power supply and digital relay outputs see Wiring Diagrams internal housing for door lock disconnecting switch remote control switch etc WARNING do not exceed the amperage limits specified on the door lock disconnector markings Operating temperature 5 C 50 C Storage temperature 20 C 85 C Operating humidity 10 90 RH non condensing Storage humidity Display range 50 110 NTC 55 150 PTC without decimal point on display with 3 digits sign Analogue Inputs 3 NTC inputs PTC selectable by parameter H00 Digital inputs 2 voltage free digital inputs configurable by parameters H11 H12 Relay outputs Model EWRC300LX Model EWRC500LX e QUT1 output SPST 2HP 12 12 A 250V e QUT1 output SPST 2HP 12 12 A 250V e QUT2 output SPDT 1HP 8 8 A 250V e QUT2 output SPDT 1HP 8 8 A 250V e OUT3 output SPST 1 2HP 8 4 A 250V e OUT3 output SPST 1 2HP 8 4 A 250V e OUT4 output SPDT
9. the display shows PAr Lite 2 Use the UP amp DOWN keys to select the parameter level concerned Usr or Ins 3 Press and release the SET key once more The display will show the first folder 4 Press and release the SET key once more The upper display will show the first parameter in the folder the lower display will indicate the current parameter value 5 Using the UP amp DOWN keys find the parameter that you wish to modify 6 Press and release the SET key once more The upper display will show the name of the blinking parameter 7 Use the UP amp DOWN keys to adjust the parameter value 8 Press and release SET to save the parameter value 9 Return to step 5 or press ESC several times to return to the normal display OPERATION IN DEFAULT CONFIGURATION The instrument is configured for negative cold For positive cold disable the evaporator probe Pb2 set H42 n and set relay OUT3 parameter H23 6 to prevent continuous ventilation COMPRESSOR The compressor Is active if the cold room temperature detected by Pb1 exceeds the value of SEt differential diF The compressor stops if the cold room temperature detected by Pb1 falls below the SEt value The instrument includes compressor on off protection DEFROST Defrost is by means of electric heaters parameter dty 0 and the time counter is always active with the instrument switched on dCt 1 Manual defrost Manual defrost Is activated by pressing and holding the ESC key
10. B If conditions for defrosting are not present e g the evaporator probe temperature Is higher than the defrost end temperature or the parameter OdO 0 the display will blink three times to indicate that the operation will not be performed Default Defrost settings dit 6 hours Interval between 2 defrost cycles dSt 6 C Defrost end temperature Set by Pb2 The Defrost cycle may terminate due to time out based on the parameter dEt EVAPORATOR FANS Relay OUT3 Is configured as fans relay and Is activated in the required cases according to delays and parameter settings Default fan settings dt 0 min drip time dFd Y Fans off during defrosting 7 EN EWRC300 500LX ALARM RELAY EWRCSOOLX only Relay OUT4 Is configured as alarm relay and Is activated in the case of alarms according to delays and parameter settings LIGHT EWRCSOOLX only The light is activated by pressing and holding the LIGHT key G Since digital input D I 1 is configured as door switch relay OUT5 light is activated when the door Is opened The light also switches on with the instrument in standby FOR MORE INFORMATION READ the manual p n 9MA10023 SUPERVISION EWRC300 500LX can be connected to e telecontrol system TelevisSystem e third party systems via Modbus protocol e ParamManager fast parameter setting software The connection can be made in 2 ways 1 via TTL serial port See Electrical Connections Use the BusAd
11. ake sure the machine is switched off PS485 before working on the electrical connections e Removable screw terminals electric cables of 2 5 mm maximum cross section one wire per terminal Ndapter RS 485 DI1 DI2 i oF rA Keyboard es RS485 connection to TelevisSystem available with optional plug in module only EWRC 300 500 LX Line T Moe d AL aN COM NO COM NONC QO i gt RS 485 TTL Pb1 Pb2 Pb3 C 14 2 3 eel 11412413414 19 20 21 22 23 24 ma O Relay outputs on board indicated with e COM Common e NO Normally Open e NC Normally Closed Removable Terminals COMNO COMNONC COMNO nn LLU Of raston A ce OF Default Configuration LINE EWRCSOOLX only NEUTRAL OUTI OUT2 OUT3 OUT4 OUTS NQ Relay H21 H22 H23 H24 H25 Q Parameters EWRC300 500LX DISPLAYS e 3 digits and sign View e Operating value carn EEA e parameters label QO eae me Oe OS e alarms functions O DG UPPER DISPLAY If the upper display is blinking it means that the value of the lower display can be modified UPPER DISPLAY LOWER DISPLAY LOWER DISPLAY e 4 digits a View e parameters value LAS e probe values e function state HACCP models e time If the lower display is blinking it means that the displayed value can be modified LEDs ee a Naar Notdsplayed Molam Siened Noam elon Del M mws 6 7 NRPORATORFANS l Forced ventilatio
12. apter150 TTL RS 485 interface module 2 by direct RS 485 connection using the optional RS485 TTL plug EWRC 300 500 Lx in module not included See figure opposite In both cases use a RS485 RS232 USB PC interface converter and the required software licence To configure the instrument for this purpose open the file identified by the label Add and use parameters dEA and FAA To configure the instrument for this purpose open the file identified by the label Add and use parameters dEA FAA PtY and StP FOR MORE INFORMATION READ the manual p n 9MA10023 ALARMS AND TROUBLESHOOTING How to display the alarms 1 Press and release the UP key The upper display will always show the label ALr The lower display will show e nOnE if no alarms active e SYS to indicate system alarms see Alarms Table e HACP to indicate HACCP alarms see HACCP alarms 2 Using the UP amp DOWN keys find the type of alarm that you want to check System alarms The upper display will show the label ALr the lower display will indicate the alarm code see Alarms Table e Using the UP amp DOWN key scroll the other alarms e Press the ESC key to return to the previous alarm code press the ESC key several times or keep It pressed to return to the normal display HACCP ALARMS HACCP MODELS ONLY The instrument logs high and low temperature alarms for the cold room probe as well as any power failures The
13. d by Pb1 AH1 value read by probe Pb1 gt HAL after A e No effect on regulation returns below HAL AFd time of tA0 ene ETO Sous OUme out e Recording of label Ad2 in folder ALr e Wait for the next defrost cycle for automatic Ad2 rather than due to defrost end tempe atin rature being read by the defrost probe e Activation of digital input configured wine is a a a ona Meee e Recording of label OPd in folder ALr e close door OPd door switch See param H11 H12 e Regulator blocked see param dOA PEA depends on delay set by parameter OAO e depends on delay set by parameter td0 Only RTC models E10 Clock alarm pune associates EOE i e contact Eliwell Technical Customer Support present e clock faulty or battery low ALL ALARMS e Alarm icon permanently on e Buzzer activation if present and alarm relay activation OUT4 for all alarms Ad2 excluded e Press any Key to silence the alarm the LED changes from a steady light to a blinking light Please note the buzzer will be deactivated while the alarm relay remains active E1 E2 If simultaneous they will be shown alternately on the display at a frequency of 2 seconds TECHNICAL SUPPORT Please have the following information available when contacting Eliwell Technical Support e idF firmware version e g 390 e rEL firmware version release e g 1 2 e tAb map code e rC instrument model e g 300 500 To obtain this information e Press and release the DOWN INFO key
14. exception of the front panel The device is suitable for use as a stand alone unit and has been tested for safety aspects in accordance with harmonised European reference standards It is rated e in terms of design as an automatic electronic temperature controller for built in or stand alone installation e in terms of automatic operating characteristics as a type 1B controller e in terms of software class and structure as a class A device e In terms of connection as a device with flexible external and removable cable with Y connection e device with pollution grade 2 e as a device with class D fire resistance e overvoltage category grade II e device made with class Illa material e ball test temperature 80 C Improper use Any use other than that expressly permitted is prohibited Note that the relay contacts provided are of a functional type and subject to failure any protection devices required by product standards or suggested by common sense for obvious safety requirements must be installed externally to the instrument LIABILITY AND RESIDUAL RISKS Eliwell Controls srl declines any liability for damage due to e installation uses other than those expressly specified and in particular failure to comply with the safety requirements of established standards and or instructions specified in this document e use on panels that do not provide adequate protection against electric shocks water or dust when assembled e use o
15. mum duration of the defrost cycle 1 250 30 min dSt _ Defrost end temperature determined by the evaporator probe Pb2 50 0 150 6 0 C F FANS Fan stop temperature if the evaporator probe reads a higher value than the set value the fans are stopped The FSt value is either positive or negative and depending on parameter FPt can be either the absolute temperature or 50 150 6 0 C F the temperature relative to the set point Fdt Fan activation delay after a defrosting cycle 0 250 0 min dt Drip time 0 250 0 min dFd Allows exclusion of the evaporator fans to be selected or not selected during defrosting y yes n no y n y ALARMS Maximum temperature alarm Temperature value intended either as distance from set point or as an absolute HAL value based on Att which if exceeded in an upward direction triggers the activation of the alarm signal LAL 150 50 0 C F See Max Min Alarms Table Low temperature alarm Temperature value intended as distance from the set point or as an absolute value based LAL jon Att which when exceeded downwards triggers the activation of the alarm signal 50 0 HAL 50 0 C F See Max Min Alarms Table dAO Temperature alarm exclusion time after defrost 0 999 60 min tAO _ Time delay for temperature alarm indication Refers to high low temperature alarms only 0 250 0 min DISPLAYS at Calibration 1 Ease Pr negatie temperature value added to the value read from probe Pb1 acc
16. n 8 ae on on po HACCP D So gt Z Z el ye ENERGY SAVING yellow Energy saving ON Energy saving OFF ok NIGHT amp DAY yellow Night amp Day ON Night amp Day OF HACC yelow HACCP Menu ON function alarm active OFF function alarm NOT active D So oa Z Z l 10 11 12 13 14 15 EWRC300 S500LX 4 EN No key pressandrelease pressand hold for about 3 seconds Notes Alarms Menu always visible HACCP alarms Battery e Scroll only in HACCP models and when e Increase values alarms present gt Exit e Manual defrost e Functions menu e Return to Main Menu e Display SetPoint probe values time C SETPOINT sou am j Access Parameter Edit mode Models with clock e Access value edit mode upper display blinking e Scroll i erie eee Spt e Display instrument INFO pp press and hold until pasa re e ER ON OFF Swithdevi On Off c uae D Switch light not Mitea O USER INTERFACE How to modify the SetPoint e Press and release the SET key The upper display will show SEt the lower display will indicate the current SetPoint value e Press and release the SET key once more The upper display will show SEt blinking e Use the UP amp DOWN keys to adjust the SetPoint value e Press the ESC key several times or keep it pressed to return to the normal display How to read the probe values e Press and release the SET key
17. n panels allowing access to dangerous parts without having to use tools e tampering with and or modification of the product e installation use on panels which are not compliant with current standards and regulations DISCLAIMER This document is the exclusive property of Eliwell and cannot be reproduced or circulated unless expressly authorised by Eliwell Every care has been taken in preparing this document nevertheless Eliwell declines any liability due to its use The same applies to any person or company involved in the creation and preparation of this document Eliwell reserves the right to make aesthetic or functional changes at any time without notice 11 EN EWRC300 S00LX lt lill ISO 2001 Eliwell Controls S r l Via dell Industria 15 Zona Industriale Paludi 32010 Pieve d Alpago BL ITALY Telephone 39 0437 986 111 stn Fax 39 0437 989 066 eS Sales 39 0437 986 100 Italy 39 0437 986 200 other countries saleseliwell invensyscontrols com Technical helpline 39 0437 986 300 E mail techsuppeliwell invensyscontrols com www eliwelL it 91S64126 1 EN rel 06 09 Eliwell Controls s r l 2009 All rights reserved
18. ording to the 12 0 120 0 C F setting of parameter CA CAD Calibration 2 posite r negative temperature value added to the value read from probe Pb2 according to the _ 12 0 120 0 C F setting of parameter CA Display mode during defrost 0 displays the temperature read by the room probe Pb1 ddl 1 locks the reading at the temperature value read by room probe Pb1 when defrosting starts and until the next 0 1 2 1 time the set point value is reached 2 displays the label deF during defrosting and until the next time the set point value is reached or until Ldd has elapsed CONFIGURATION NOTE the instrument must be switched off and restarted each time these parameters are modified H0O Probe type selection PIC NTC 0 PTG 1 NTC 0 1 1 493 Configurability of digital output OUT3 0 Disabled 1 Compressor 2 Defrost 3 Fans 4 Alarm 5 AUX 012 3 6 Standby 7 Light 8 Buzzer 9 Evaporator 2 10 Compressor 2 11 Frame Heater 12 Condenser fans i H42 Pb2 Evaporator probe presence n not present y present y n y EWRC300 500LX 6 EN THE INSTRUMENT ENABLES MODIFICATION OF OTHER PARAMETERS DIVIDED INTO USER LEVEL USr and INSTALLER LEVEL InS How to modify other parameters Installer InS level access User level access is similar Procedure applies only to more advanced applications In this case the parameters are arranged in folders Compressor Defrost Fans etc 1 Press and hold the SET key for 3 seconds until
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