Bell & Gossett IM214R01 20GDS User Manual

Page 12

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10

15GDS/20GDS Installation, Operation and Maintenance Manual

The motors are tested in accordance with IEC 34-1, 1969.
The stator is insulated in accordance with class F (310º F, 155º C). The motor is designed
to deliver its rated output at ± 5% variation from the rated voltage. Without overheating
the motor, ± 10% variation from the rated voltage can be accepted provided that the
motor does not run continuously at full load. The motor is designed to operate at a
voltage imbalance of up to 2% between the phases.

Monitoring Equipment

The stator incorporates thermal contacts connected in series.

The pump can be equipped with sensors for sensing water in the stator housing.

General Design of a 15GDS/20GDS Pump (continued)

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