DP Megacontrol Series, Installation And Operating Instructions Manual

Page: 26 / 72

26
9.8.3 Delta P - correction
Table 30: Parameters set points
9.8.4 Special input/output
Table 31: Special input/output
Figure 27: 1-pump operation
Figure 28: 2-pumps operation
Figure 29: 3-pumps operation
ID Parameter
S 3-5-1 Set point
- 3-5-10 Delta P
SP = Set point
y = New set point
Δ p = Delta P (always positive)
n = Total number of pumps of the installation
x = Number of pumps switched on
Input
External off (27-29 NC)
1 2
The unit can be switched off through
an external contact. 3-8-1-13 ON/OFF
Fire Alarm (28-29 NC)
3 2
All pumps can be switched on
through an external contact. 3-8-1-14 ON/OFF
Function TH.FAIL. P1
2
3-8-1-4 ON/OFF
Function TH.FAIL. P2
2
3-8-1-5 ON/OFF
Function TH.FAIL. P3
2
3-8-1-6 ON/OFF
Function TH.FAIL. P4
2
3-8-1-7 ON/OFF
Function TH.FAIL. P5
2
3-8-1-8 ON/OFF
Function TH.FAIL. P6
2
3-8-1-9 ON/OFF
Input1 (connection WSD1 6-7)
4
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) 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
1. the entire control keeps functioning, but the pumps will be switched off.
2. This hardware function can be disabled. Default is enabled