Evco EVJS 500 Split User guide

EVJS 500 Split
Temperature/humidity controllers for refrigerated display
units with remote user interface
WARNING
Make sure you read and fully
understand the manual before
using this device.
Non-observance of these
instructions may result in death
or serious injury.
114JS50E4.00 - 04/2022
Installer manual

114JS50E4.00 ·EVJS 500 Split
CONTENTS
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IMPORTANT INFORMATION.............................................................................................................. 5
IMPORTANT SAFETY INFORMATION................................................................................................ 6
SAFETY INFORMATION RELATING TO THE PRODUCT..................................................................... 7
1. INTRODUCTION............................................................................................................................... 8
1.1 Description ............................................................................................................................................. 8
1.2 Features .................................................................................................................................................. 8
1.3 Accessories ............................................................................................................................................ 8
2. TECHNICAL DATA.......................................................................................................................... 10
2.1 Technical specications......................................................................................................................10
2.1.1 EVJS 500 Split ............................................................................................................................................10
2.2 I/O specications ................................................................................................................................11
2.2.1 Base board .................................................................................................................................................11
2.3 Remote user interface features .........................................................................................................11
3. MECHANICAL ASSEMBLY............................................................................................................ 12
3.1 Before you start ................................................................................................................................... 12
3.2 Information concerning installation and the surrounding environment .......................................12
3.3 Dimensions............................................................................................................................................13
3.3.1 Base board .................................................................................................................................................13
3.3.2 User interface............................................................................................................................................13
3.4 Installation............................................................................................................................................14
3.4.1 Base board .................................................................................................................................................14
3.4.2 User interface............................................................................................................................................14
3.4.3 Minimum installation distances for the base board ..............................................................................14
4. ELECTRICAL CONNECTIONS........................................................................................................ 15
4.1 Wiring best practices ..........................................................................................................................15
4.1.1 Wiring guidelines.......................................................................................................................................15
4.1.2 Guidelines for screw terminals ...............................................................................................................15
4.1.3 Permitted cable lengths............................................................................................................................16
4.2 Wiring diagram.....................................................................................................................................16
4.2.1 Base board .................................................................................................................................................16
4.2.2 User interface............................................................................................................................................17
5. USER INTERFACE .......................................................................................................................... 18
5.1 Interface ...............................................................................................................................................18
5.2 Touch keys ............................................................................................................................................ 18
5.3 Icons......................................................................................................................................................18
5.4 Using the controller .............................................................................................................................19
5.4.1 Controller ON/OFF ....................................................................................................................................19
5.4.2 Functions that can be activated via key..................................................................................................19
5.4.3 Changing the setpoint ...............................................................................................................................20

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5.4.4 Changing the intensity of light 1 and 2 ....................................................................................................20
5.4.5 Setting the clock ........................................................................................................................................21
5.4.6 Accessing the parameters .......................................................................................................................22
5.4.7 Programming menu...................................................................................................................................23
6. DEFROSTING.................................................................................................................................. 24
6.1 Introduction .........................................................................................................................................24
6.1.1 Operating conditions.................................................................................................................................24
6.1.2 Dripping interval........................................................................................................................................24
6.1.3 Defrost types .............................................................................................................................................25
6.2 Modular defrost: RTC ..........................................................................................................................25
6.3 Standard defrost..................................................................................................................................25
6.3.1 Electric heater defrost .............................................................................................................................25
6.3.2 Cycle inversion (hot gas) defrost.............................................................................................................27
6.3.3 Defrost on compressor stoppage............................................................................................................29
7. REGULATORS ................................................................................................................................. 30
7.1 Hot/cold temperature ......................................................................................................................... 30
7.1.1 Operation ...................................................................................................................................................30
7.2 Hot/Cold temperature with neutral zone ..........................................................................................30
7.2.1 Operation ...................................................................................................................................................30
7.3 Temperature and dehumidication with compressor .....................................................................31
7.3.1 Operation ...................................................................................................................................................31
7.3.2 Temperature priority over dehumidication .........................................................................................31
7.4 Humidity ................................................................................................................................................31
7.4.1 Operation ...................................................................................................................................................31
7.5 Humidity with neutral zone..................................................................................................................32
7.5.1 Operation ...................................................................................................................................................32
7.6 Compressor ..........................................................................................................................................32
7.6.1 Operating diagrams ..................................................................................................................................33
7.7 Dual Compressor .................................................................................................................................34
7.7.1 Operating diagram ....................................................................................................................................34
7.8 Evaporator fans....................................................................................................................................35
7.8.1 Operation ...................................................................................................................................................35
7.8.2 Operating modes .......................................................................................................................................35
7.8.3 Operation during a defrost.......................................................................................................................35
7.8.4 Evaporator fan operation during dripping .............................................................................................35
7.9 Condenser fans ....................................................................................................................................36
7.9.1 Operation ...................................................................................................................................................36
7.10 Energy Saving.....................................................................................................................................36
7.10.1 Operation .................................................................................................................................................36

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8. FUNCTIONS.................................................................................................................................... 37
8.1 Sanitising...............................................................................................................................................37
8.2 Analogue outputs ................................................................................................................................. 37
8.2.1 Humidity control ........................................................................................................................................37
8.2.2 Dimmed light ..............................................................................................................................................37
8.2.3 Modulating condensation.........................................................................................................................37
8.2.4 Humidication............................................................................................................................................38
8.3 Copying Parameters ...........................................................................................................................38
8.3.1 Introduction...............................................................................................................................................38
8.3.2 Uploading parameters from the controller to EVJKEY..........................................................................38
8.3.3 Downloading the EVJKEY parameters to the controller .......................................................................38
9. REMOTE COMMUNICATION ........................................................................................................ 39
9.1 EPoCA communication via TTL serial .................................................................................................39
9.2 EPoCA and third-party BMS communication.....................................................................................41
9.3 EPoCA communication via RS-485 serial...........................................................................................42
10. PARAMETERS.............................................................................................................................. 43
10.1 Table of conguration parameters ..................................................................................................43
11. DIAGNOSTICS ............................................................................................................................. 49
11.1 Table of alarms...................................................................................................................................49

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IMPORTANT INFORMATION
Liability and residual risks
EVCO assumes no liability for any damage caused by the following (by way of example; this is not an exhaustive list):
• Installation/useforpurposesotherthanthosespeciedand,inparticular,notadheringtothesafetyprovisionssetout
by current regulations in the country in which the product is installed and/or contained in this manual;
• Useinappliancesthatdonotguaranteesufcientprotectionagainstelectricshocks,wateranddustwithinthe
installation conditions created;
• Useinappliancesthatallowaccesstohazardouspartswithouttheuseofakeyedortooledlockingmechanismwhen
accessing the instrument;
• Tampering and/or modifying the product;
• Installation/use in appliances which do not comply with current regulations in the country in which the product is
installed.
The customer/manufacturer is responsible for ensuring their machine complies with these regulations.
EVCO’s responsibility is limited to the correct and professional use of the product in accordance with regulations and the
instructions contained in this manual and other product support documents.
TocomplywithEMCstandards,observealltheelectricalconnectioninstructions.Asitdependsonthewiringconfigurationas
wellastheloadandtheinstallationtype,compliancemustbeverifiedforthefinalmachineasspecifiedbytherelevantproduct
standard.
Disclaimer
This document is the exclusive property of EVCO. It contains a general description and/or a description of the technical
specifications for the services offered by the products listed herein. This document should not be used to determine the
suitability or reliability of these products in relation to specific user applications. Each user or integration specialist should
conducttheirowncompleteandappropriateriskanalysis,inadditiontocarryingoutaproductevaluationandtestinrelation
to its specific application or use. Users can send us comments and suggestions on how to improve or correct this publication.
Neither EVCO nor any of its associates or subsidiaries shall be held responsible or liable for improper use of the information
contained herein.
EVCOhasapolicyofcontinuousdevelopment;therefore,EVCOreservestherighttomakechangesandimprovementstoany
product described in this document without prior notice.
The images in this document and other documentation supplied with the product are provided for illustrative purposes only and
may differ from the product itself.
The technical data in this manual is subject to change without prior notice.
Terms and Conditions of use
Permitted use
Thedevicemustbeinstalledandusedinaccordancewiththeinstructionsprovidedand,inparticular,hazardousliveparts
must not be accessible under normal conditions.
The device must be suitably protected from water and dust with regard to its application and must also only be accessible with
the aid of a tool (with the exception of the front panel).
Only qualified personnel may install the product or perform technical support procedures on it.
The customer must only use the product as described in the documentation relating to that product.
Prohibited use
Anyuseotherthanthosedescribedinthe"Permitted use"sectionandintheproductsupportdocumentationisprohibited.
Disposal
The device must be disposed of in accordance with local regulations regarding the collection of electrical and
electronic appliances.
Consider the environment
Thecompanyworkstowardsprotectingtheenvironment,whiletakingaccountofcustomerrequirements,
technological innovations in terms of materials and the expectations of the community to which we belong. EVCO
placesgreatimportanceonrespectingtheenvironment,encouragingallassociatestobecomeinvolvedwithcompany
valuesandguaranteeingsafe,healthyandfunctionalworkingconditionsandworkplaces.
Please consider the environment before printing this document.

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IMPORTANT SAFETY INFORMATION
Please read this document carefully before installation; study all the warnings before using the device. Only use the device in
accordance with the methods described in this document. The following safety messages may be repeated several times in
thedocument,toprovideinformationregardingpotentialhazardsortoattractattentiontoinformationwhichmaybeusefulin
explaining or clarifying a procedure.
Thissymbolisusedtoindicateariskofelectricshock.
Itisasafetyindicationandassuch,shouldbeobservedtoavoidpotentialaccidentsorfatalities.
Thissymbolisusedtoindicateariskofseriouspersonalinjury.
Itisasafetyindicationandassuch,shouldbeobservedtoavoidpotentialaccidentsorfatalities.
DANGER
DANGER indicatesasituationofimminentdangerwhich,ifnotavoided,will lead to death or serious injury.
WARNING
WARNING indicatesasituationofimminentdangerwhich,ifnotavoided,may lead to death or serious injury.
CAUTION
CAUTION indicatesapotentiallyhazardoussituationwhich,ifnotavoided,could cause minor or moderate injury.
NOTICE
NOTICE indicates a situation not related to physical injuries but which ,ifnotavoided, could damage the equipment.
NOTE:themaintenance,repair,installationanduseofelectricalequipmentmustonlybeentrustedtoqualifiedpersonnel.
QUALIFIED PERSONNEL
Only suitably trained and experienced personnel capable of understanding the content of this manual and all documentation
regardingtheproductareauthorisedtoworkonandwiththisequipment.Furthermore,thepersonnelmusthavecompleted
coursesinsafetyandmustbeabletorecogniseandpreventtheimplieddangers.Thepersonnelmusthavesuitabletraining,
knowledgeandexperienceatatechnicallevel,andbecapableofanticipatinganddetectingpotentialriskscausedbyusing
theproduct,aswellaschangingthesettingsandmodifyingthemechanical,electricandelectronicequipmentfortheentire
systeminwhichtheproductisused.Allpersonnelworkingonandwiththeproductmustbeentirelyfamiliarwiththerelevant
standardsanddirectives,aswellassafetyregulations.

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SAFETY INFORMATION RELATING TO THE PRODUCT
Beforecarryingoutanyworkontheequipment,readtheseinstructionscarefully,makingsureyouunderstandeverything.
DANGER
RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARC
• Only use electrically insulated measuring devices and equipment.
• Do not install the equipment while the power supply is connected.
• Cutoffthepowersupplytoallequipment,includinganyconnecteddevices,beforeinstalling/uninstallingthedevice.
• AlwaysuseaproperlycalibratedVoltmetertomakesurethesystemispoweredoff.
• Do not touch the unshielded components or the terminals while they are live.
• Donotopen,disassemble,repairormodifytheproduct.
• Do not expose the equipment to liquids or chemicals.
• Before applying voltage to the equipment:
• Makesureallprotectiveelements,suchascovers,hatchesandgrilles,arefittedand/orclosed.
• Checkallwiringconnections.
DANGER
RISK OF ELECTRIC SHOCK AND FIRE
• Do not use the device with loads greater than those indicated in the technical data section.
• Do not exceed the temperature and humidity ranges indicated in the technical data section.
• Usetherequiredsafetyinterlocks(fusesand/ormagnetothermalswitches)ofasuitablesize.
DANGER
RISK OF ELECTRIC SHOCK OR MALFUNCTIONING OF THE EQUIPMENT
Do not use damaged products or accessories.
WARNING
MALFUNCTIONING OF THE EQUIPMENT
• Perform the wiringcarefully,incompliancewithelectromagneticcompatibilityrequirements.
• Makesurethewiringiscorrectforitsapplication.
• Use shielded cables for all I/O signal and communication cables.
• Minimisethelengthoftheconnectionsasmuchaspossible,toavoidwindingthecablesaroundelectricallyconnectedparts.
• Thesignal(digitalandanalogueinputs,communicationandcorrespondingpowersupplies)andpowercablesforthedevice
must be routed separately.
• Beforeapplyingthepowersupply,checkallthewiringconnections.
• Usethenecessarysafetyinterlockswherevertheriskofinjurytopersonneland/orequipmentdamageexists.
• Installandusethisdeviceinacabinetofasuitableclassfortheintendedenvironment,protectedbyakeyedlocking
mechanism or other suitable instruments.
• Intermsofconnectionandthefusesusedinthecircuitsforthepowersupplyandoutputlines,observelocalandnational
regulatory requirements relating to the nominal current and voltage for the equipment in use.
• Do not use this equipment for machine functions that are critical to safety.
• Donotdisassemble,repairormodifytheequipment.
• Do not connect wires to unused terminalsand/orterminalsmarkedwiththetext“Noconnection”(“N.C.”).

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1.1 DESCRIPTION
EVJS 500 Split controllersrepresentacompletesolutionbyEVCO,suitableforthemanagementof:
• Wine/patisserie cabinets;
• Refrigerated cabinets;
• Refrigerated cold rooms.
1.2 FEATURES
The main features of EVJS 500 Split controllers are:
• 5analogueinputs,ofwhich:
• 4 are analogue inputs for temperature;
• 1 is an analogue input for humidity;
• 2volt-freedigitalinputsthatcanbeconguredviaparameter;
• 2 analogue outputs;
• 6 sealed relay outputs;
• 1 TTL serial port (on the user interface);
• 1 RS-485 serial port (on the user interface);
• EPoCA-compatible;
• Compatible with BMS interfacing via Modbus protocol.
NOTE:
forfurtherinformationregardinginputandoutputspecifications,pleaserefertoparagraph"2.1 Technical
specifications" on page 10.
1.3 ACCESSORIES
The accessories available for EVJS 500 Split controllers are:
Type P/n Description
EVHTP520 Humidity and temperature transducers
EVTP NTC/PTC temperature probes
EVIF25TBX BLEmoduleforconnectiontoEVconnectAPP
EVIF25TWX Wi-Fimodule
EVIF24TSX Module for TTL/RS-485 serial interface
1. INTRODUCTION

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Type P/n Description
EVIF23TSX ModuleforTTL/RS-485serialinterfacewithbuilt-inclock
EVJKEY Programming flash drive for EVJS models

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2. TECHNICAL DATA
AllthesystemcomponentsofEVJS 500 Split controllers satisfy European Community (EC) requirements for open systems. They
must be installed in casing or another location designated on the basis of specific environmental conditions and in order to
minimisetheriskofinvoluntarycontactwithhazardousvoltage.UsemetalcasingtoimproveEVJS 500 Split system immunity to
electromagnetic fields. This equipment satisfies the EC requirements as indicated in the tables below.
WARNING
MALFUNCTIONING OF THE EQUIPMENT
Do not exceed any of the nominal values specified in this section.
2.1 TECHNICAL SPECIFICATIONS
2.1.1 EVJS 500 Split
Type Description
The product complies with the following harmonised
standards:
EN60730-1 and EN60730-2-9
Device construction: Incorporated electronic device
Device purpose: Operating control device
Type of action: 1
Pollution category: 2
Overvoltage category: III
Nominal pulse voltage: Base board: 4000 V
User interface: 330 V
Power supply: Base board:115...230Vac,±10%,50/60Hz
User interface: 12 Vdc from base board
Consumption: 6VAmaximum
Ambientoperatingconditions:
0...55°C(32...131°F)10…90%RHnon-condensing
Transportation and storage conditions: -25...70°C(-13...158°F)10…90%RHnon-condensing
Software class: A
Ambientfrontprotection: Base board: IP00
User interface: IP65