Bell & Gossett P2002290A Series e-90 ECM Motor IOM - Manual (Page 3)

PerfectSpeed ® NEMA 48 Pump Motor
Section 1 -­ PerfectSpeed ® Motor
The PerfectSpeed ® ECM User Interface developed by Nidec Motor
Corporation easily integrates into non-communicating systems using state-of-the-art
technology. The motor is a high-efficient Brushless DC (BLDC) permanent magnet
motor that offers variabl e speed. Sensorless sine wave control assures quiet and
ultra -smooth performance.
WARNING
● Before connecting or disconnecting cables or other electrical connections, verify
that the power to the system is removed. Failure to comply may cause serious
damage to the motor or injury to personnel.
● Because of the risk of electric shock, only individuals thoroughly trained in the
use of multimeters should conduct voltage tests.
● Never touch the metal contacts on the multimeter during a test.
● Always check testing equipment for proper operation before use.
WARNING
Important Safety Information
Installation, operation, and maintenance must be performed by qualified personnel.
Familiarization with and adherence to the National Electrical Code (NEC) and
National Fire Protection Association (NFPA) standards and to local codes are
required. It is important to observe safety precautions to protect personnel from
possible injury. Personnel should be instructed for handling each of the following:
1
● Only trained and qualified professionals familiar with PerfectSpeed® motors
should service the motor and control unit.