Installation; Operating Modes; Setup; Definitions - Espa SPEEDRIVE V2 Betriebsanleitung

3) INSTALLATION.

3) INSTALLATION. 3) INSTALLATION. 3) INSTALLATION.
1. Pumps with Speedrive.
2. Non-return valves.
3. Pressure transducer
4. Main electrical panel
5. Accumulator.
The pre The pre- - - - charge pressure must be 1 bar lower than the pressure set The pre The pre charge pressure must be 1 bar lower than the pressure set point. charge pressure must be 1 bar lower than the pressure set charge pressure must be 1 bar lower than the pressure set
Check the pressure with the unit stopped and the installation de- - - - pressurized Check the pressure with the unit stopped and the installation de Check the pressure with the unit stopped and the installation de Check the pressure with the unit stopped and the installation de

4) OPERATING MODES.

4) OPERATING MODES. 4) OPERATING MODES. 4) OPERATING MODES.
Automatic mode. Automatic mode. Automatic mode. Automatic mode.
This is the common operating mode.
The inverter controls the motor's rotation speed to maintain a constant pressure in the installation (set
pressure).
Manual mode. Manual mode.
Manual mode. Manual mode.
Allows the pump start-up or stop manually at an adjustable frequency.

5) SETUP.

5) SETUP. 5) SETUP. 5) SETUP.
Espa ESD pumps and Espa pressure booster sets are pre- - - - configured in origin with an optimum pressure set Espa ESD pumps and Espa pressure booster sets are pre Espa ESD pumps and Espa pressure booster sets are pre Espa ESD pumps and Espa pressure booster sets are pre
point for equipped pumps. Do not need any further adjustment. point for equipped pumps. Do not need any further adjustment.
point for equipped pumps. Do not need any further adjustment. point for equipped pumps. Do not need any further adjustment.

5.1) Definitions.

5.1) Definitions. 5.1) Definitions. 5.1) Definitions.
Set pressure: is the pressure that the unit will maintain in the installation.
•
Differential pressure: is the differential pressure required for the unit to activate again.
•
Stop frequency: frequency at which the inverter stops the pump.
•
Stop delay: timer used by the unit before it stops.
•
Auxiliary regulated pump: auxiliary pump that is equipped with a Speedrive.
•
4 4 4 4
3 3 3 3
2 2 2 2
.
- 15 -
5 5 5 5
1 1 1 1
pressurized. . . . pressurized pressurized
configured in origin with an optimum pressure set configured in origin with an optimum pressure set configured in origin with an optimum pressure set
point. point. point.