EWRC550LX
Contents
1. Label E2 displayed Sen OOE Des Ud E2 range oe 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 Wata mei si deis ka cis Pb3 condenser fan probe faulty Label E3 displayed e Condenser fans ON depending on F16 and Check probe type NTC PTC see H00 e Measured values are outside operating E3 F20 parameters e Check the probe wiring range e Disables any temperature alarms linked to Replace probe e Probe faulty short circuited open the probe pow Devan arai e Recording of label AL1 in folder ALr e Wait for the temperature value read by Pb1 ALT value read by Pb1 lt LAL after time of AQ e No effect on regulation to come back above LAL AFd TOUGH mpe rture SUI e Recording of label AH1 in folder ALr e Wait until temperature value read by Pb1 AH1 valueread by probe Pb1 gt HAL after nid e No effect on regulation returns below HAL AFd time of tAO Pb3 LOW temperature alarm i P pepe Wait for the temperature value read by Pb3 ms e Recording of label AH3 in folder ALr to come back below Rs ENSE d e No effect on current regulation LAL AFd with PbA 1 2 du dc SA3 dA3 with PbA 3 after delay equal to tA0 i after delay equal to tA3 Pb3 HIGH temperature alarm e value read by Pb3 gt HAL with PhA 12 e Wait for the temperature value read by Pb3 l Recording of label AH3 in folder ALr to come back below aus rerit Wa Pad No effect2. eie EWRCSSOLX Controllers for cold rooms for on board installation C LDFACE Invensys Controls Europe INTRODUCTION The Coldface EWRC550LX series controls the temperature of a static or ventilated cold room where precision monitoring of very low temperatures is required The instrument controls positive and nega tive cold rooms and is capable of managing a double evaporator and condenser probes Coldface has 5 configurable relays 4 low voltage digital inputs configurable for door switch alarm and pressure 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 EWRC550LX For fur ther information and different configurations refer to the complete user manual p n 9MA10024 which can be downloaded free of charge from the www eliwell it website NAVIGATION DIAGRAM display probe values display probe values Display alarms if active Display HACCP alarms if function active time and date SetPoint amp Probes confirm with SetPoint value Functions menu LOC keyboard lock rPA Pressure switch alarms rEd disable HACCP rHC reset HACCP alarms only if active e Drill holes in the top or bot tom of the backplate to p
3. 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 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 EWRC550LX 12 EN 15014001 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 Elettro tecnico Italiano and makes an active contribution to regulatory development This ensures that Eliwell technical developers benefit from excellent training in the yo fields of electrical safety e electromagnetic compatibility respect for the environment Eliwell wishes to share its commitment to environmental sustainability with its custom ers 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 eliwell it website 4 re Gr Za S sincer EN CONDITIONS OF USE Permitted use For safety reasons the device must be installed and
4. 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 i 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 DEFROST 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 Gh o function disabled defrosting NEVER performed ii dEt Defrost time out determines the maximum duration of the
5. 3 Low pressure e D I 4 High pressure Analogue Output default settings e AO not used 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 Important Make sure the machine is switched off before working on the electrical connections e Removable screw terminals electric cables of 2 5 mm maximum cross section one wire per terminal in the case of power connections e FASTONS single row of fastons in series Pb5 V 0 10V 12V Y 4 20mA Pb3 Pb2 Pb1 DI4 DI3 D2 Dl EWRC550 LX Power Supply 100 240V Removable Terminals nn O Faston x Default Configuration LINE NEUTRAL Relay Co Parameters EWRC550LX DISPLAYS e 3 digits and sign View Operating value fia ie eae aia parameters label VOG oxide T NE e alarms functions DDOD UPPER DISPLAY If the upper display is blinking it means that the value of the lower display can be modified UPPER DISPLAY LOWER DISPLAY 4 digits View e parameters value C amp LDFACE probe values e function state HACCP models time LOWER DISPLAY If the lower display is blink ing it means that the displayed value can be modified LEDs O E Not displayed Silence yelow Delay yell Forced ventilation Ne Ds oo 8 mM g ERN HACCP Power supply OFF
6. Compressor OFF No defrost Fans OFF No defrost Fans OFF Light OFF AUX OFF Deep cooling cycle OFF to OS zx Energy saving ON Night amp Day ON Menu HACCP D e yel Energy saving OFF SAVING ON function alarm active OFF function alarm NOT active Night amp Day OFF Altro Menu oio EWRC550LX 4 EN Alarms Menu always visible AUP Scroll HACCP alarms system alarms if present e Increase values ESC Exit Manual defrost e Functions menu Return to Main Menu e Display SetPoint probe values time SET mm in i Access Parameter Edit mode e Access value edit mode upper display blinking e Scroll Y DOWN e Decrease values Activate Deep Cooling Cycle See Technical Support e Display instrument INFO l press and hold to ENERGY SAVING Activate energy saving Activate Night amp Day F o itch device Of LIGHT Switch light on off SS l H w i SS USER INTERFACE Activate auxiliary function How to modify the SetPoint Press and release the SET key The upper display will show SP1 the lower display will indicate the current SetPoint value Press and release the SET key once more The upper display will show SP1 blinking Use the UP amp DOWN keys to adjust the SetPoint value Press the ESC key several times or keep it pressed to return to the normal display How to read the probe values Press and release the SET key T
7. 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 Fanactivation 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 ANALOGUE OUTPUT F09 Minimum setpoint for condenser fan speed 50 0 99 9 30 0 C bar ALARMS WAL Maximum temperature alarm Temperature value intended either as distance from set point or as an absolute LAL 150 50 0 C F value based on Att which if exceeded in an upward direction triggers the activation of the alarm signal B l LAL Low temperature alarm Temperature value intended as distance from the set point or as an absolute value based 50 0 HAL 50 0 C F on Att which when exceeded downwards triggers the activation of the alarm signal udi l 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 CA1 Calibration 1 2 3 CA2 Positive or negative temperature value added to the va
8. on current regulation HAL AFd with PbA 1 2 SA3 dA3 with PbA 3 after delay equal to tA0 after delay equal to tA3 eer ene o 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 atti rature being read by the defrost probe m ae e Registration EA label in the ALr folder ls leet SI me ome e activation of digital input set as exter remain shutdown until the next deactivation EA e Controller shutdown see section Ms nal alarm See param H11 H14 rLO dOA PEA of the digital input e Wait for next deactivation of digital input e Activation of digital input configured He ERGO COMIDA UNES e Recording of label OPd in folder ALr e dose door OPd doorswitch See param H11 H14 e Regulator blocked see para OA PEA depends on delay set by parameter QAQ e depends on delay set by parameter tdO EWRC550LX 10 EN the alarm relay remains active Folder Cause Effects Remedy L01 115 DLL Wait for the time interval defined by e minute count start defined by parameter __ PEn bara LOW and HIGH pressure warning min pEi PEi automatic reset to elapse P max pressure switch If PEn appear during the PEi interval meter value e no effect on current regulation default 15 see LPA HPA max 99 e Recording of label LPA in folder ALr outa Ld again manual reset LOW pressure alarm Current regulation blo
9. 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 exception of the front panel The device is suitable for use as a stand alone unit and has been tested for safety aspects in accor dance with harmonised European reference standards It is rated in terms of design as an automatic electronic temperature controller for built in or stand alone installation in terms of automatic operating characteristics as a type 1B controller in terms of software class and structure as a class A device e n terms of connection as a device with flexible external and removable cable with Y connection e device with pollution grade 2 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 require ments 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 t
10. 1 2HP 8 4 A 250V Analogue Output 1 configurable analogue output Type Start of Full scale Resolution Accuracy Permissible scale range range load PWM 1 e o s Analogue Output Table 0 20mA 0 20 1 e o s 300 Ohm 0 10V 0 10 55mA minimum load resistance 180 Ohm Digital output Buzzer only on models where this is provided Serials e 1 TTL port for connection to Copy Card e 1 RS 485 serial port for connection to TelevisSystem e 1 TTL port for connection to TelevisSystem use with optional plug in module Accuracy better than 0 5 of end of scale 1 digit Resolution Pt100 NTC PTC 0 1 C full range 4 20mA 0 10V 1 digit ndt 1 0 1 digit 0 01 digit Power draw 15W Power supply 100 240V 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 ter minals 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 con tact 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 single row of fastons in series
11. 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 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 The instrument logs high and low temperature alarms for the cold room probe as well as any power failures The 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 9MA10024 9 EN EWRC550LX ALARMS TABLE This section lists alarms associated with the default configuration of the instrument For a description of alarms relating to custom configura tions refer to the user manual or contact Eliwell Technical Support Folder Cause Effects Remedy Pb1 be fault Label E1 displayed PHOTOS M E e check probe type Pt100 e measured values are outside operating Min max alarm regulator disabled D E1 e check the probe wiring range Compressor operation based on parame replace probe e probe faulty short circuited open ters Ont and OFt if set for duty cycle Pb2 defrost probe fault nani ihe ye A operating
12. ass 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 Take out the 2 screws supplied and then open the cover EWRC550LX Parameters confirm with A ER I og k Im amp b ET I EP e LLLI us R i eC i D od bo LLI 5 i iE oe 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 plate 2 EN ELECTRICAL CONNECTIONS Output relay default settings OUT1 Compressor OUT2 Evaporator fan OUT3 Defrost OUTA Auxiliary OUTS5 Light Probe inputs default settings Pb1 Pt100 room probe e Pb2 Pt100 defrost end probe e Pb3 NTC condenser fan probe e PbS 4 20mA not used NOTES e Condenser fan output not present by default To switch between NTC PTC probe types use parameter H00 SWITCH OFF AND RESTART THE INSTRUMENT after making the change e If you only intend to use one Pt100 input short circuit the Pt100 input you are not using 0 20mA 0 10V PWM GND TOV 55mA GND 4 20mA RS 485 Adaptar TTL RS 485 RS485 connection to Keyboard gt TelevisSystem available with optional plug in module only mo ze fE Copy Card O OUT5 OUT4 OUT3 H28 H27 H26 3 EN Digital Inputs default settings e D I 1 Door switch e D I 2 Alarm e D I
13. cked compressor LPA e The pressure switch alarms can be minimum pressure switch defrost and fans reset manually from the functions e The standby relay will be deactivated menu label rPA e Recording of label HPA in folder ALr e Switch the device off and back on HIGH pressure alarm Current regulation blocked compressor again manual reset HPA high itch defrost and fans e The pressure switch alarms can be E A e The standby relay if configured will be reset manually from the functions deactivated menu label rPA E10 Clock alarm e Functions associated with clock not e contact Eliwell Technical Customer clock faulty or battery low present Support ALL ALARMS e Alarm icon permanently on including pressure switch warnings 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 ET E2 E3 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 389 e rEL firmware version release e g 1 2 e tAb map code e rC instrument model e g 550 To obtain this information Press and release the DOWN INFO key 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 displa
14. he 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 Digital output OUT2 is configured as evaporator fan relay and is activated in the required cases ac cording to delays and parameter settings Default fan settings dt 0 min drip time dFd Y Fans off during defrosting 7 EN EWRC550LX LIGHT Digital output OUT5 is configured as light relay 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 AUXILIARY AUX Digital output OUTA is configured as auxiliary relay The auxiliary output is activated manually by pressing and holding the AUX key H MINIMUM MAXIMUM PRESSURE SWITCH Digital input D I 3 is configured to manage the minimum pressure switch low pressure Digital input D I 4 is configured to manage the maximum pressure switch high pressure Pressure switch setting default PEn 15 Maximum number of low high pressure error messages PEI 99 min The time interval in minutes for counting errors indicated by PEn If during this interval the number of resp
15. he upper display will show SP1 the lower display will indicate the current SetPoint value Press and release the DOWN key If the RTC clock is present the time will be shown in the lower display 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 Press and release the DOWN key once more to read the value of probe Pb2 and Pb3 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 EWRC550LX 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 see the user manual
16. hose expressly specified and in particular failure to comply with the safety requirements of established standards and or instructions specified in this document use on panels that do not provide adequate protection against electric shocks water or dust when assembled use on 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 func tional changes at any time without notice 13 EN EWRC550LX eile ISO 3001 Eliwell Controls S r l Via dell Industria 15 Zona Industriale Paludi 32010 Pieve d Alpago BL Italy Telephone 39 0437 986 111 M Facsimile 39 0437 989 066 I5 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 91564125 1 EN rel 06 09 Eliwell Controls s r l 2009 All rights reserved
17. lue read by probe Pb1 2 3 according to the setting of 12 0 12 0 0 C F CA3 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 HOO Probe type selection PTC NTC 0 PTC 1 NTC 0 1 1 H42 Pb2 Evaporator probe presence 0 not present 1 present 0 1 1 EWRC550LX 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 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
18. onses from the pressure switch exceeds the indicated threshold the instrument Will report a pressure switch error and power to the compressor defrost and fans will be cut off See Alarms Table FOR MORE INFORMATION READ the manual p n 9MA10024 EWRC550LX 8 EN SUPERVISION EWRC550LX can be connected to telecontrol system TelevisSystem s n ETT e third party systems via Modbus protocol g e ParamManager fast parameter setting software The connection can be made in 2 ways 1 1 via TTL serial port See Electrical Connections Use the BusAdapter150 TTL RS 485 interface module 2 by direct RS 485 connection using the optional RS485 TTL plug 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 Output AO A 20mA GN FOR MORE INFORMATION READ the manual p n 9MA10024 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 HACP to indicate HACCP alarms see HACCP alarms
19. 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 0 and set relay OUT2 parameter H25 6 STANDBY or 0 DISABLED to prevent con tinuous ventilation COMPRESSOR Digital output OUTI is configured as compressor relay The compressor is active if the cold room temperature detected by Pb1 exceeds the value of SP1 differential diF The compressor stops if the cold room temperature detected by Pb1 falls below the SP1 value The instrument includes compres sor on off protection DEFROST Digital output OUT3 is configured as defrost relay Probe 2 is configured as NTC defrost end tem perature probe 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 B If conditions for defrosting are not present e g the evaporator probe temperature is higher than the defrost end temperature or t
20. y 11 EN EWRC550LX 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 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 and storage humidity 10 90 RH non condensing Display range 50 110 C NTC 55 150 C PTC 200 800 C Pt100 without decimal point on display with 3 digits sign e 0 2000 4 20mA 0 10V Analogue Inputs e 2 Pt100 inputs e 1 NTC input PTC configurable by parameter HOO e 1 input 4 20mA 0 10V selectable by parameter H39 Digital inputs 4 voltage free digital inputs configurable by parameters H11 H14 Relay outputs e OUT1 output SPST 2HP 12 12 A 250V e QUT4 output SPDT 1 2HP 8 4 A 250V e OUT2 output SPST 1HP 8 8 A 250V e OUT5 output SPST 1 2HP 8 4 A 250V e OUT3 output SPDT
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EWRC550LX