3
TABLE OF CONTENTS
1. General description
...........................................................................p. 4
HRC kit content .......................................................................................p. 4
Electric box dimensions .......................................................................p. 4
2. Connections
..........................................................................................p. 5
Connection between Load control board and user panel
......................................................................................................................p. 5
Control board Input/Output ..............................................................p. 5
VMF-MOD board connection (accessory) .....................................p. 7
Dip switch setting ..................................................................................p. 8
Supervision serial ...................................................................................p. 8
3. Operating mode
.............................................................................. p. 10
Auto Mode ............................................................................................. p. 10
Manual Mode ........................................................................................ p. 10
Aux Mode ............................................................................................... p. 10
4. Control logic
....................................................................................... p. 11
Anti-freeze through flow rate modulation ................................. p. 11
Anti-freeze through electric resistance ....................................... p. 12
Freecooling ............................................................................................ p. 12
Steriliser lamp ....................................................................................... p. 13
Post-treatment resistance ................................................................ p. 13
Post treatment coil.............................................................................. p. 15
5. Interface use
....................................................................................... p. 17
Hardware structure ............................................................................. p. 17
Software structure .............................................................................. p. 17
Main page .............................................................................................. p. 18
Input fan power page ........................................................................ p. 19
Expulsion fan power page ............................................................... p. 19
Password page ..................................................................................... p. 19
USER menu ............................................................................................ p. 20
INSTALLER Menu ................................................................................. p. 21
AFTER-SALES ASSISTANCE Menu................................................... p. 23
°C/°C change menu ............................................................................ p. 25
Alarms signal ......................................................................................... p. 25
