Xylem FLYGT Concertor, Installation, Operation And Maintenance Manual

Page: 57 / 60

9 Technical Reference
9.1 Motor data
The drive unit includes a synchronous motor with IE4 equivalent efficiency.
NOTICE:
Do not connect a starter or a Variable Frequency Drive (VFD) to this unit.
Feature Description
Input frequency 50–60 Hz
Input supply 3-phase
• 380–480 V
• 200–240 V
Maximum starts per hour Pump only: 60
Pump with gateway or controller: 240
Design in applicable parts According to IEC 60034–1
Voltage variation • Continuously running: Maximum ±5%
• Intermittently running: Maximum ±10%
Voltage imbalance between the phases Maximum of 2%
Stator insulation class In accordance with class H (180°C, 356°F)
9.2 Application limits
Data Description
Liquid temperature Maximum 40°C (104°F)
Liquid density Maximum 1100 kg/m3 (9.2 lb per US gal)
pH of the pumped liquid 5.5–14
Depth of immersion Maximum 20 m (65 ft)
9.3 Minimum permitted liquid level
In hazardous areas, this information is critical for the safety of the installation of this
product.
The pump housing (volute) must be filled with water before starting the pump, and during
operation.
9 Technical Reference
6020.180/090 Installation, Operation, and Maintenance Manual 55