Typical Surface Pressure Boosting Application - Franklin Electric SUBDRIVE UTILITY Manual De Instrucciones

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Typical Surface Pressure Boosting Application

The above drawing illustrates how a typical surface mounted pump system should be arranged for
a pressure boosting application.
1. Water Supply
2. Check Valve
3. Ball Valve
4. Pressure Relief Valve: Pressure relief valve must be able to pass full pump flow at 100 PSI.
Risk of bodily injury or property damage.
Pumps can develop very high pressure in some situations. Always install a pressure relief
valve able to pass full pump flow at 100 psi.
Install the pressure relief valve near the pressure tank and route to a drain capable of full sys-
tem flow.
5. Pressure Tank. Refer to
6. Pressure Gauge
7. Pressure Sensor or Transducer. Locate within 5 feet (1.5 m) of pump discharge. Install in a ver-
tical position.
8. SubDrive Utility VFD
9. Power Supply from Circuit Breaker. Single phase, 115/230 VAC +/- 10%.
10. Power to Motor. Single-Phase.
11. Optional Bypass. For system maintenance.
IMPORTANT: If the pump is equipped with a built-in pressure switch, the power wires from the
VFD must bypass the pressure switch and connect directly to the motor.
"Minimum Pressure Tank and Supply Pipe Sizing" on page
INSTALLATION AND SETUP
Installation Process
15.
13

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