KSB BoosterControl Advanced - Page 36

8 Commissioning/Start-up/Shutdown
36 of 88
BoosterControl Advanced
8.4.1 Cascade control
Q
H
S
300%
Q
H
S
100% 200% 300%
1
Fig.7: Cascade control
1 Bandwidth
H Head
Q Flow rate
S Setpoint
Parameter settings can only be made at the service or factory access level.
ü The system is operational.
ü BoosterControl Advanced has been connected correctly.
ü Date and time have been set. (ðSection8.3.2,Page34)
1. Log in to BoosterControl Advanced at service or factory access level.
(ðSection6.6,Page31)
2. Set the parameters for the suction side. (ðSection8.5.1,Page45)
3. Set the frequency inverter parameters. (ðSection8.4.6,Page44)
4. Note dry running protection settings. (ðSection8.5.1,Page45)
5. Set the following parameters:
Table29: Parameter settings for cascade control
Parameter Description Possible values
3-2-2-6 Select Hyamat K operating mode Hyamat K
3-3-1 Number of pumps connected
BoosterControl Advanced reboots; observe notes
1 ... 6
3-3-3 Configuration, discharge side
BoosterControl Advanced reboots; observe notes
Cascade (without frequency inverter)
3-4-2-3 Number of pumps started up in the event of a sensor
failure on the discharge side
0 ... 6
3-4-2-4 Limitation of the maximum system load Number of pumps in operation × 100
%
3-5-1 System pressure setpoint 0 ... x kPa
4)
3-5-3 Bandwidth: range above and below the setpoint
where pumps are not stopped or started
0 ... 1000 kPa
3-5-5 Maximum setpoint 0 ... x kPa
4)
3-6-2 Limit for minimum runtime of pump 0 ... 999 s
4) x depends on the maximum value of the pressure sensor used.