8 Technical Reference
8.1 Application limits
Data Description
Liquid temperature 40°C (104°F) maximum
The pump can be operated at full load only if at least half
the stator housing is submerged.
3102.060, 3102.160, 3102.181, 3102.760:
•
Warm-liquid version: 70°C (158°F) maximum
pH of the pumped media (liquid) 5.5–14
Liquid density 1100 kg/m³ (9.2 lb per US gal) maximum
Depth of immersion Maximum 20 m (65 ft)
Other For the specific weight, current, voltage, power ratings,
and speed of the pump, see the data plate of the pump.
8.2 Motor data
Feature Description
Motor type 3102.060/.070/.090/.160/.170/.181/.190/.760/.770/.890:
•
Squirrel-cage induction motor
3102.900/.910/.920/.930/.960/.970:
• Line-started, permanent-magnet synchronous motor
Frequency 50 Hz or 60 Hz
Supply 1-phase or 3-phase
Starting method • Direct on-line
• Star-delta
• Soft starter
Not recommended for LSPM motors
• Variable Frequency Drive (VFD)
Maximum starts per hour 30 evenly-spaced starts per hour
Code compliance IEC 60034-1
Voltage variation without
overheating
±10%, if it does not run continuously at full load
Voltage imbalance
tolerance
2%
Stator insulation class H (180°C [356°F])
Motor encapsulation
Motor encapsulation is in accordance with IP68.
8 Technical Reference
Flygt 3102 Installation, Operation, and Maintenance Manual 71
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