Espa SPEEDRIVE - Auxiliary Pump Configuration; Max Current, Activation Frequency, and Delays; Inverter Regulated Auxiliary Pump Setup; Auxiliary Pump Delay and Hysteresis Settings

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Figure 8
Figure 8Figure 8
Figure 8
Adjust the micro
Adjust the microAdjust the micro
Adjust the micro-
--
-switches on the ELV as needed
switches on the ELV as neededswitches on the ELV as needed
switches on the ELV as needed. See section 5 of the ELV manual.
Respect the polarity of the RS-485connection:
1
3
2
1
3
2
1
3
2
1
3
2
A B A B
A
B
A
B
Configuration.
Configuration. Configuration.
Configuration.
Set Speedrive menus as follows:
AUXILIARY PUMP
AUXILIARY PUMPAUXILIARY PUMP
AUXILIARY PUMP
Press ► (Adjust) for the adjustment of the parameters that govern to the
auxiliary pumps.
MAXIMUM CURRENT OF THE AUXILIARY PUMP.
MAXIMUM CURRENT OF THE AUXILIARY PUMP.MAXIMUM CURRENT OF THE AUXILIARY PUMP.
MAXIMUM CURRENT OF THE AUXILIARY PUMP.
Set the maximum motor current of the auxiliary pumps, according to his
motor's data plate plus 10%.
plus 10%.plus 10%.
plus 10%.
All auxiliary pump motors should be of the same power.
CHANGE FREQUENCY
CHANGE FREQUENCYCHANGE FREQUENCY
CHANGE FREQUENCY
Set the maximum frequency of the main pump to be activated the auxiliary
pumps.
The number of auxiliary pumps does not have to be determined, since the
circuit communications system detects the number (maximum 4).
DELAY ON
DELAY ONDELAY ON
DELAY ON
Set the desired delay time before the start of each auxiliary pump.
Programming cascade spreads auxiliary pumps.
Ignore. Press ▼
Ignore. Press ▼
7.2) Booster set with inverter regulated auxiliary pumps.
7.2) Booster set with inverter regulated auxiliary pumps.7.2) Booster set with inverter regulated auxiliary pumps.
7.2) Booster set with inverter regulated auxiliary pumps.
Synchronous sequence of Operation:
- Faced with a demand for water, the pump A starts fast enough to meet the need for installation.