Zehnder 0-10V67 Manuel De L'utilisateur page 11

Recommended settings
Ventilation unit
Ventilation with heat recovery
Settings Operation of control unit
Sensor The output signal of the control unit is the
measured value
(whereby 2 V corresponds to 400 ppm and
10 V corresponds to 2000 ppm).
The controller monitors the CO
concentrations and increases the ventilation
levels if the setpoint is exceeded.
Controller The output signal of the control unit ensures
the ventilation necessary to achieve
1050 ppm.
The ventilation unit can be controlled via the
0-10 V input.
Setting of control unit
Controller,
unless a target value other than 1050 ppm is desired.
Setting of ventilator unit
■ Signal at 0%: 10 V (2000 ppm)
■ Signal at 100%: 2 V (400 ppm)
■ Function of 0-10 V input: control
■ Setpoint:
dependent on the desired CO
Example: 4 V (800 ppm).
2
■ Proportional band: 50% (800 ppm).
■ Integration time: 300 s.
■ Signal at 0%: 0 V (minimal ventilation)
■ Signal at 100%:
10V (maximum ventilation)
■ Function of 0-10 V input: steer
level.
2
EN - 11