EN-28
Sortie ventilateur
Visible en o1 en %
Temps de démarrage
progressif
10s
20s 30s 40s 50s
10%
20%
30%
40%
50%
Temps de préstabilisation
PID
Vitesse start
choisie en p14
Réglage temps de démarrage progressif p14
Augmentation de 10% sortie o1 toutes les 10 s
In this example, start speed = 50%
Supply air duct pressure control proportional band
Supply air duct pressure control integration time
Supply air duct pressure control derivative time
Return air fan proportional band in duct pressure operation
Return air fan integration time in duct pressure operation
Return air fan derivative time in duct pressure operation
In constant pressure control, the return air fan is managed based on the measured supply air flow rate
(screen i1) so as to extract as much air as is introduced into the Room or Building, the return air fan
therefore takes the supply air fan air flow rate as the control setpoint.
A coefficient called the M factor is used to adapt the return air fan flow rate, to obtain Q
>
Q
, or to obtain Q
< Q
By default, the M factor has the value 1, thereforeQ
= Q
M =
M factor setting range (screen p4): 0.5 M 1.5.
Supply air temperature setpoint calculation parameters (See Fig. 4, page 19)
X1 shift value for the formula for calculating the supply air temperature Comfort setpoint
X1 shift value for the formula for calculating the supply air temperature Eco setpoint
X2 shift value for the formula for calculating the supply air temperature Comfort setpoint
X2 shift value for the formula for calculating the supply air temperature Eco setpoint
Start speed
selected as p14
Fan output
Visible at o1 in %
Soft start time adjustment p14
Increase of 10% output o1 every 10 secs
Soft start time
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