Controllers for top-class blast chillers, in split version that can be built into the unit, with 5- or 7-inch colour tft touch-screen graphic display in either vertical or horizontal format (84 pages)
Summary of Contents for Evco EVD MVC Series
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 1443DMVCE104 EV3 MVC & EVD MVC Controllers for mechanical ventilation units for air renewal and heat recovery Application Manual | ENGLISH Code 144EV3MVE104 page 1 of 72...
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 1443DMVCE104 Important Read this manual carefully before installation and before using the devices and take all the prescribed precautions. Keep this manual with the devices for future consultation.
EVCO offers the MVC solution in both the compact EV3 version (12 VAC and panel installation) and the split EVD version (115... 230 VAC and DIN rail installation). In both cases it is possible to connect the stylish EVJ LCD remote user interface, it is easy to install (wall- mounted) and it can be integrated into any environment.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 DESCRIPTION The following paragraphs contain a description of the various devices that can used for the management of MVC units. Description of EV3 MVC The diagram below shows the layout of the EV3 MVC controller for panel installation in standard 74x32mm format.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of EVD MVC and EVD EXP The diagram below shows the layout of the EVD MVC and EVD EXP controller and I/O expansion for installation in an electrical switchboard on a DIN rail in standard 4 DIN-module format.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of EV3K11 The diagram below shows the layout of the EV3K11 remote keypad for panel installation in standard 74x32mm format. The table below describes each part of the EV3K11.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of EVJ LCD The diagram below shows the layout of the EVJ LCD remote keypad for wall installation in 111.4x76.4 mm format. The table below describes each part of the EVJ LCD.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 MEASUREMENTS AND INSTALLATION Measurements and installation of EV3 MVC The pictures below show the measurements of EV3 MVC; measurements are expressed in mm (inches). To be installed on a panel with snap-in brackets provided.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 The pictures below show how to install the EVD MVC and EVD EXP. To remove the EVD MVC and EVD EXP, first remove any plug-in screw terminal blocks fitted in the lower part, then, using a screwdriver, loosen the DIN rail clip, as shown in the pictures below.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 To be installed on a panel with snap-in brackets provided. The thickness of the panel on which the EV3K11 is to be installed must be between 0.8 and 2.0mm (0.031 and 0.078 in).
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 USER INTERFACE Key functions The table below shows the functions of the keys. In the EVJ LCD the left and right keys have no function.
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 EVJ LCD display LED EVJ LCD LED EV3 MVC and Description EV3K11 Controller LED in hot/summer mode (C21) ON if the controller is switched on in hot/summer mode (C21)
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 it flashes rapidly if the external air limitation function is activated otherwise it is OFF Fan speed LED It shows the speed at which the fans are operating LED for the unit of measurement of the value shown on the upper display when the probe is configured for temperature and the unit of measurement is °C (C59)
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Holiday LED ON if holiday timer-setting regulation is used otherwise it is OFF Settings LED ON if the device is not in primary view OFF during normal functioning...
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of connectors Description of connectors for EV3 MVC The picture below shows the layout of the EV3 MVC connectors. The tables below describe the EV3 MVC connectors. The tables give the maximum provided.
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 reference (GND) EV3 MVC power supply (12 VAC) EV3 MVC power supply (12 VAC) Connector 3 Part Description Positive signal RS-485 MODBUS port Negative signal RS-485 MODBUS port...
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of EVD MVC and EVD EXP connectors The picture below shows the layout of the EVD MVC and EVD EXP connectors. The tables below show the description of the EVD MVC and EVD EXP connectors.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Description of connectors for EVJ LCD The picture below shows the layout of the EVJ LCD connectors. The table below describes the EVJ LCD connectors. La tabella fa riferimento alla dotazione massima.
Connect the power cables as far away as possible from those for the signal. Do not use the devices as safety devices. For repairs and for further information on the devices, contact the EVCO sales network. page 25 of 72...
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 MENU Menu list The following menus are available: Provides access to the quick setting function of the regulation setpoints FAN: fan speed setpoint regulation dAM:...
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 INPUT/OUTPUT CONFIGURATION Inputs All ten inputs can be used as digital inputs but only some (IN1, IN2, IN3, IN4, IN5, IN6 and IN7 on EV3 MVC; IN1, IN2, IN3, IN4, IN5, IN9 and IN10 on EVD MVC) can be configured as analogue.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 A signal with constant frequency and variable duty cycle is generated at the output. The frequency of the output configured as PWM is determined by the I73 and I76 parameters.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 TK/OC configuration I67 - I69 parameter value Description Disabled (or DO) Heaters In model EVD the TK1 triac output has been replaced with an open collector output.
The document “MODBUS/JBUS IMPLEMENTATION TABLE” (document code 1463DMVC104) describes the resources of the devices accessible with the RS-485 serial port. The document is available on the website www.evco.it. The INTRABUS serial ports enable connection of a remote keypad (EVK3K11 or EVJ LCD) and an I/O expansion (EVD EXP) to the controllers.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 REGULATIONS Regulation in the incremental neutral zone The working parameters for regulation in the neutral zone consist of a setpoint, a regulation band, a reaction time and an incremental step.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Selecting the timer setting mode The setpoints for temperature, for opening the mixing chamber damper and for the fans are set by parameter and according to the current time.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Activating free heating/cooling This mode is activated if the room probe and external probe are activated and not in alarm. If the external temperature is favourable this inhibits the recovery heat exchanger (bypass or deactivation) so as to use the external air to improve the room comfort.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Regulation of the supply fans follows this order of priority: If a defrost of the recovery heat exchanger is in progress the fans follow the algorithm described in the relevant paragraph, while if a defrost of the refrigeration unit is active the fans are switched off unless this happens because the compressor is switched off (in which case ventilation operates normally).
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 If the the need for defrosting remains the speed of both fans will be reduced in parallel down to the minimum permitted speed (C06). expulsion temperature falls below the critical value d11, the rotary recovery heat exchanger stops or the bypass damper opens for the cross-flow recovery heat exchanger.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Treatment coils The controller is able to manage one or two coils for heating and cooling of the air emitted into the environment. The purpose of these coils, together with the recovery heat exchanger, is to guarantee that the ideal temperature is maintained in the air-conditioned environment.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 When the mode is changed (from hot to cold or vice versa) the compressor, if activated, is switched off and the valve inverted. Another feature of the compressor is the need for defrosting that may be managed in such a way as to remove ice that has formed in the coil as described in the paragraph below.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Constant capacity/pressure regulation The controller can regulate the fan speed to maintain constant pressure or air capacity if the differential pressure sensor is configured and not in alarm mode.
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 If parameter C48 is set to 0 temperature regulation takes priority over dehumidifying, in this situation if the regulation temperature falls below the setting - band/2 the dehumidifier request is inhibited. This parameter can be used to limit excessive cooling caused by dehumidification, for example if a post-heating coil is not present.
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 configured analogue inputs do not cause alarms. Automatic alarm Main results the functions linked to the probes in alarm mode are inhibited Communication alarm The alarm signal is activated when communication with the expansion...
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 switch is active. It deactivates if the input is inactive. Manual alarm Main results The compressor is switched off. Compressor discharge alarm The alarm signal is activated if the value of the probe configured as...
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 The alarm signal is activated if the probe selected as a change-over probe is in alarm mode or has been improperly configured Automatic alarm Main results...
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 Machine status It is possible to access the machine operating status from both the user interface and the serial port. Most of the status readings are in read only (RO) format, some of them can also be written (a useful function especially for access from a personal computer).
EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 ACCESSORIES 12.1 EVIF20SUXI non-optoisolated RS-485/USB serial interface This interface makes it possible to connect EV3 MVC and EVD MVC to the Parameters Manager set-up software system.
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EVCO S.p.A. EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104 EV3K11 4+4 digit LED display EVJ LCD 3+4 digit LCD display Up to 2 ports: EV3 MVC 1 INTRABUS port 1 RS-485 MODBUS port (optional)
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EVCO. The customer (manufacturer, installer or end-user) assumes all responsibility for the configuration of the device. EVCO accepts no liability for any possible errors in this document and reserves the right to make any changes, at any time without prejudice to the essential functional and safety features of the equipment.
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