Bell & Gossett P2002290A Series e-90 ECM Motor IOM - Manual (Page 13)

PerfectSpeed ® NEMA 48 Pump Motor
Final Checks of the Motor
● Check the mounting and fastening of the motor and control unit. Make sure the
motor and the control unit are securely attached together and mounted tightly in
the system.
● Check the control unit connectors. Inspect for shorts, detached wiring, or loose
connections
● Check the motor and verify the rotation of the driven load. Make sure it spins
freely by hand in both directions without effort or assisted means.
. ● Check all circuit breakers.
11
Check 3: Motor Verification
Disconnect or remove AC power to the equipment serviced and allow four (4)
minutes for the capacitors to discharge any residual voltage.
Make sure that the motor shaft spins freely by hand without effort in both
directions [Figure 2].
Figure 2
Replace the motor and control unit if the shaft does not spin freely by hand without
effort.
1.
2.
●