NOZ2 M
ANUAL
I
NSTALLATION
Manual version 6.0 - North America (10-03-2017)
en-25
en
2. Open the electronics housing: undo screws
1
at the bot-
tom of the housing, tilt the cover
2
and lift the cover off
the unit.
3. Connect the cord to the drive, in accordance with the wir-
ing diagram.
Note:
n
Use a cable of at least 0.5 mm
2
.
4. Feed the cord from the drive through the openings in the
electronics housing.
5. Connect the cord to the control circuit board, in accord-
ance with the wiring diagram:
For models with recirculation:
Use connection X67
6
.
For models with ventilation:
Use connection X370
7
.
6.
For models with recirculation:
Connect (if applicable) the
drive among multiple units. Link the units, using a connect-
ing cable, to connections X67
6
.
Note:
n
Models with ventilation (types 25V and 50V) are
always equipped with a control circuit board. With
each unit, connect the drive of the water valve to
the unit’s own control circuit board.
Note:
n
Only close the electronics housing after connecting
the mains supply and the control unit and possible
external controls.
WIRING
DIAGRAM
2-
WAY
VALVE
WIRING
DIAGRAM
3-
WAY
VALVE
