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4 Description

20 of 92

KSB Delta Macro

1983.843/04-EN

4.6 Configuration and function

1 2

Fig.5: Configuration KSB Delta Macro VC

1 Control cabinet 4 Membrane-type accumulator

2 Control unit 5 Manifold

3 Pump 6 Baseplate

Design Fully automatic pressure booster system with two to six vertical high-pressure pumps

(3) for ensuring the required supply pressure.

Function KSB Delta Macro F:

Two to six pumps are controlled and monitored by a microprocessor control unit

(BoosterCommandPro(+)). The first pump is started up when the pressure falls below

the set start-up pressure (setpointminushalf bandwidth). Additional pumps are

sequenced in automatically in line with actual demand. When demand decreases, the

pumps are sequenced out again as the stop pressure (setpointplushalf bandwidth) is

reached. The pump that has been started up first will be stopped first. The pumps are

automatically started up in a different order for each new cycle. The actual pressure

is measured by an analog pressure transmitter. The function of this pressure

transmitter is monitored (broken wire detection).

This ensures equal distribution of pump operating hours.

KSB Delta Macro VC, SVP:

Two to six pumps are controlled and monitored by a microprocessor control unit

(BoosterCommandPro(+)). Each pump is operated on a frequency inverter and

controlled by the control unit so as to ensure a constant discharge pressure of the

pressure booster system.

As the demand increases or decreases, peak load pumps are started and stopped

automatically. As soon as the demand increases again after one pump has been

stopped, another pump which has not been in operation before is started up. When

the last pump has been stopped and the demand increases again, the next pump in

line is started up on a frequency inverter. The stand-by pump is also included in the

alternating cycle.

The standard setting is for the pressure booster system to start automatically as a

function of pressure. As long as the pressure booster system is in operation, the

pumps are started and stopped as a function of demand (standard setting). In this

way it is ensured that the individual pumps operate only in line with actual demand.

If the demand drops towards 0, the pressure booster system slowly runs down to the

stop point.

If a pump has not been in operation for 24hours, a test run is initiated for this pump.

KSB Delta Macro F User Manual

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