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Installation
Typical Motor Control Settings
Winding Temperature
• Class B Insulation
• Class F Insulation
Motor Bearing Temperature
(Thermocouple or RTD's)
• Sleeve Bearing
• Antifriction Bearing
Ground Fault
Instantaneous Overcurrent
• With ½ Cycle Delay
• Without Time Delay
Maximum Voltage
Minimum Voltage
(the minimum voltage
also applies to starting unless otherwise
specified)
Maximum Frequency Deviation
Maximum of Voltage Plus Frequency Deviation
Maximum Voltage Unbalance
Maximum Current Unbalance
RPM
Shaft (mils, pk-to-pk) – Alarm
Shaft (mils, pk-to-pk) – Trip
Housing (in./sec.) - Trip
(1)
Maximum time at maximum condition before control device is to operate.
(2)
Increase as necessary to avoid nuisance trips.
(3)
This is the maximum deviation from the average of the three phases.
(4)
Applies only when vibration probes are supplied.
Alarm
130°C
155°C
90°C
100°C
4 Amps
Primary
Circuit
1.8 times Locked Rotor Amps
2.4 times Locked Rotor Amps
110 % of Rated Voltage
90 % of Rated Voltage
(3)
(3)
Suggested Vibration Limits
3600
(4)
2.8
(4)
3.3
0.25
- 10 -
Trip
(Shutdown)
155°C
170°C
95°C
105°C
(2)
(2)
8 Amps
Primary
Circuit
±5%
±10%
1%
8%
1800
1200
3.2
3.8
3.7
4.3
0.25
0.25
Timer Trip
(1)
Setting
(2)
0.2 sec.
(2)
(2)
10 sec.
10 sec.
10 sec.
10 sec.
15 sec.
15 sec.
900 and
Slower
4.5
5.0
0.25
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