
I RECEPTION O THE EQUIPMENT ..........................................................................................................52
I.1 Checks on reception.................................................................................................................................52
I.2 Unpacking.................................................................................................................................................52
I.3 Storing ......................................................................................................................................................52
II INSTALLATION.........................................................................................................................................52
II.1 Handling...................................................................................................................................................52
II.2 Space required ........................................................................................................................................52
II.3 Installation................................................................................................................................................52
II.4 Siphon......................................................................................................................................................53
III COMPOSITION AND OPERATION .........................................................................................................53
III.1 General....................................................................................................................................................53
III.2 DIVA: proportional ventilation between two airflows (LS/HS) according to concentration of CO2
«MODE AUTO CO2» ....................................................................................................................................54
Available functions.........................................................................................................................................54
III.3 LOBBY: constant pressure ventilation. «MODE CONSTANT PA» ......................................................54
Available functions.........................................................................................................................................54
III.4 MAC2: Constant airflow ventilation. (m3/h) «MODE CONSTANT m3/h» ............................................54
Available functions.........................................................................................................................................54
III.5 QUATTRO: Proportional ventilation between 2 CONSTANT airflows ....................................................54
Available functions.........................................................................................................................................54
III.6 NRG EC 2 speeds settable by POT controllers (not supplied as standard) .........................................54
IV HVAC CONNECTION .............................................................................................................................55
V MARKING O ITEMS IN THE UNIT.........................................................................................................55
VI ELECTRIC WIRING.................................................................................................................................56
VI.1 Accessibility of the electric board ..........................................................................................................56
VI.2 Electric supply and wire section ............................................................................................................56
VI.3 Connection of the probes.......................................................................................................................56
VI.4 Electric board’s terminal.........................................................................................................................57
VI.4.1 Power terminal connection ....................................................................................................................57
VI.4.2 Control terminal connection ...................................................................................................................58
VI.4.4 Terminal boards ....................................................................................................................................60
VI.5 Connection of the motors ......................................................................................................................60
VI.5 Connection of the motors ......................................................................................................................61
VORT NRG EC 4500, 6000, 8000.....................................................................................................................61
VORT NRG EC 3000........................................................................................................................................61
VI.6 Connection of pressure transmitters for MAC2 / LOBBY / QUATTRO..................................................62
VI.7 Connection of CO2 transmitter for DIVA / QUATTRO............................................................................62
VI.8 Bypass ...................................................................................................................................................62
VI.9 NIGHT COOLING....................................................................................................................................63
VI.10 Automatic defrost .................................................................................................................................63
VI.11 Hot water and cold water coil (the valve must be connected in the O position) ............................63
VI.12 Changeover coil (EC IRST versions only) (the valve must be connected in the O position).........63
VI.13 Direct duct expansion coil (this function must be specified at the time of ordering) ..........................64
VI.14 Electric coil associated with VORT NRG EC IRST (specified at the time of ordering) ......................64
VI.15 VORT NRG EC PREMIUM BE and VORT NRG EC IN INITE BE electric heating coil........................64
VI.16 Electric defrosting coil (EH, IN INITE BE, IN INITE BC)......................................................................65
VI.17 Repeater (see section VII.3.8 for configuration)...................................................................................66
ENGLIS
50