32
9.9.1.2 Delta P + correction
Table 35: Parameters set points
9.9.1.3 Delta P - correction
Table 36: Parameters set points
9.9.2 Special input/output
Table 37: Special input/output
Figure 33: 1-pump on 1 pump stand-by
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
Figure 34: 1-pump on 1 pump stand-by
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
Input
External from (27-29 NC)
1
1. the entire control keeps functioning, but the pumps will be switched off.
The unit can be switched off through
an external contact.
Fire Alarm (28-29 NC)
2
2. Fire alarm has higher priority over external contact ‘off’.
All pumps can be switched on
through an external contact.
Input1 (connection WSD1 6-7)
3
3. This is a pulse contact for WSD functions, for other applications, it can be used as NC contact.
Only active when WSD parameter
3-3-4 is on 1 (off) or on 8 (temp).
See parameter 3-8-1-1 for extra functions if this
input isn't used for the WSD function
Input2 (connection WSD2 8-9)
3
Only active when WSD parameter
3-3-4 is not on 3, 4, 6 or 7.
See parameter 3-8-1-2 for extra functions if this
input isn't used for the WSD function
Input3 (connection WSD3 10-11)
3
Only active when WSD parameter
3-3-4 is not on 4 or 7.
See parameter 3-8-1-3 for extra functions if this
input isn't used for the WSD function
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