INSTALLATION AND SETUP
Installation Process
13
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.
5.
Pressure Tank
. Refer to
“Minimum Pressure Tank and Supply Pipe Sizing” on page
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.
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.
Summary of Contents for SUBDRIVE UTILITY
Page 1: ......
Page 42: ...SPECIFICATIONS Notes 42 Notes ...
Page 45: ...Manuel d utilisation ...
Page 89: ...Manual del propietario ...
