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Commissioning
7.1 Measures before commissioning
1LE7 shaft heights 71 ... 315
76
Operating Instructions, 04/2022, A5E51689275A-AA
7.1.7
Further documents
Note
Further documents
Observe all of the other documents provided with this motor.
7.1.8
Setpoint values for monitoring the bearing temperature
Prior to commissioning
If the motor is equipped with bearing thermometers, set the temperature value for
disconnection on the monitoring equipment before the first motor run.
Table 7- 1
Set values for monitoring the bearing temperatures before commissioning
Set value
Temperature
Alarm
115 °C
Shutting down
120 °C
Normal operation
Determine the maximum operating temperature of the bearings T
operation
taking into account
the temperature, bearing load and influences of the plant on the motor in °C. Set the values
for shutdown and warning corresponding to the operating temperature T
op
.
Table 7- 2
Set values for monitoring the bearing temperatures
Set value
Temperature
Alarm
T
operation
+ 5
K ≤
115 °C
Shutting down
T
operation
+ 10
K ≤
120 °C