Field piping diagrams – Xylem AquaBoost CS and VS Pumping Packages User Manual
Page 17
Overload protection for constant-speed units
Motor type
Overload protection
Description
Single-phase
Internal
• Disconnecting means
• Fuses for short-circuit protection
Three-phase
External in the control panel
• Disconnecting means
• GV2Ps / manual starters with
thermal overload for short-circuit
protection in the control panel
Overload protection for variable-speed units
Variable-speed units have a single-point power panel with fuses for protection against
voltage spikes. In addition, the controllers have inherent features that protect the unit
against:
• short circuit
• undervoltage
• overload
• motor temperature
• dead heading
• run out
• suction loss
• sensor fault
• bound pump
• overvoltage
• static discharge
Field piping diagrams
AquaBoost CS simplex
1
2
3
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5
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9
10
RS000009
Typical field piping arrangement for the AquaBoost Constant Speed simplex pumping
package.
1.
Anchor the pipe securely if vibration eliminators are used.
2.
If a bypass line is installed, then this valve must be kept closed during normal operation. Do not install a
check valve.
3.
Suction gauge, recommended
4.
Optional tank
Installation
AquaBoost CS and VS Pumping Packages Installation, Operation, and Maintenance Manual
15