EVCO S.p.A.
EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 1443DMVCE104
page 3 of 72
Index
1 INTRODUCTION ............................................................................................................................................................ 5
1.1 Models available, purchasing codes and technical features .......................................................................................... 5
2 DESCRIPTION ............................................................................................................................................................... 7
2.1 Description of EV3 MVC .......................................................................................................................................... 7
2.2 Description of EVD MVC and EVD EXP ....................................................................................................................... 8
2.3 Description of EV3K11 ............................................................................................................................................ 9
2.4 Description of EVJ LCD ..........................................................................................................................................10
3 MEASUREMENTS AND INSTALLATION .............................................................................................................................11
3.1 Measurements and installation of EV3 MVC ..............................................................................................................11
3.2 Measurements and installation of EVD MVC and EVD EXP ...........................................................................................11
3.3 Measurements and installation of EV3K11 ................................................................................................................12
3.4 Measurements and installation of EVJ LCD ...............................................................................................................13
3.5 Installation precautions .........................................................................................................................................13
4 USER INTERFACE .........................................................................................................................................................14
4.1 Key functions .......................................................................................................................................................14
4.2 Display ................................................................................................................................................................14
4.3 EVD MVC and EVD EXP LEDs ..................................................................................................................................17
5 ELECTRICAL CONNECTION ............................................................................................................................................18
5.1 Example of EV3 MVC electrical connection ................................................................................................................18
5.2 Example of EVD MVC electrical connection ...............................................................................................................19
5.3 Description of connectors .......................................................................................................................................20
5.3.10 Description of connectors for EV3 MVC .........................................................................................................20
5.3.11 Description of EVD MVC and EVD EXP connectors ..........................................................................................22
5.3.12 Description of EV3K11 connectors ...............................................................................................................23
5.3.13 Description of connectors for EVJ LCD ..........................................................................................................24
5.4 Termination resistor for the RS-485 MODBUS line .....................................................................................................25
5.5 Precautions for electrical connection ........................................................................................................................25
6 MENU .........................................................................................................................................................................26
6.1 Menu list ..............................................................................................................................................................26
7 PARAMETERS ...............................................................................................................................................................27
7.1 Configuration parameters ......................................................................................................................................27
8 INPUT/OUTPUT CONFIGURATION ...................................................................................................................................40
8.1 Inputs .................................................................................................................................................................40
8.2 Analogue outputs ..................................................................................................................................................41
8.2.1 Disabled (or DO) .......................................................................................................................................41
8.2.2 Phase cutting ............................................................................................................................................41
8.2.3 0-10 V .....................................................................................................................................................41
8.2.4 PWM ........................................................................................................................................................42
8.2.5 Frequency ................................................................................................................................................42
8.3 Triac and open collector outputs .............................................................................................................................42
8.4 Digital outputs ......................................................................................................................................................43
8.5 Serial ports ..........................................................................................................................................................44
9 REGULATIONS .............................................................................................................................................................45
9.1 Regulation in the incremental neutral zone...............................................................................................................45
9.2 Selecting the operating modes ...............................................................................................................................45
9.2.1 Selecting hot/cold mode .............................................................................................................................45
9.2.2 Selecting the timer setting mode .................................................................................................................46
9.2.3 Manual mode (t01 = 0) ..............................................................................................................................46
9.2.4 Timer setting mode (t01 = 1) .....................................................................................................................46
9.2.5 Holiday mode (t01 = 2) .............................................................................................................................46
9.3 Activating free heating/cooling ...............................................................................................................................47
9.3.1 Summer mode (free-cooling) ......................................................................................................................47
9.3.2 Winter mode (free-heating) ........................................................................................................................47
9.4 Regulating the ventilation ......................................................................................................................................47
9.4.1 External air damper ...................................................................................................................................48