25
9.8 Explanation of parameters
9.8.1 Pressure settings set points
Figure 22: Pressure settings set points fixed
speed
Table 27: Pressure settings set points fixed speed
Table 28: Pressure settings set points variable speed
9.8.2 Delta P + correction
Table 29: Parameters set points
ID Parameter
S 3-5-1 Set point
A 3-5-3 Bandwidth
B Switch-off pressure
C Switch-on pressure
D 2 x bandwidth
ID3100
Figure 23: Pressure settings set points
variable speed
ID Parameter
A 3-5-4 Accumulation pressure
B 3-5-3 Bandwidth
C Switch-on pressure 1st pump
D Switch-off pressure last pump
S 3-5-1 Set point
H
S
A
B
C
D
Figure 24: 1-pump operation
Figure 25: 2-pumps operation
Figure 26: 3-pumps operation
ID Parameter
S 3-5-1 Set point
+3-5-10 Delta P
SP = Set point
y = New set point
Δp = Delta P (always positive)
n = Total number of pumps of the installation
x = Number of pumps switched on