ELECTRICAL DATA TABLE
HP (kW)
FLA
MCA
MOCP
2.4
2.6
3.3
15
2.4
2.6
3.3
15
2.9
3.8
4.3
15
2.9
3.8
4.3
15
2.9
3.8
4.3
15
HP (kW)
FLA
MCA
MOCP
2.4
2.6
3.3
15
2.9
3.8
4.8
15
5.0
8.0
10.0
15
5.0
8.0
10.0
15
5.0
8.0
10.0
15
Legend and Notes for Electrical Data Table
Application heater kW (Using multiplication factor table in Electric Resistance Heater Data Table)
AB = 392v
BC = 404v
AC = 395v
1191
3
(AB) 397 - 392 =5v
(BC) 404 - 397 =7v
(AC) 457 - 397 =2v
7
397
Power Supply
Determine Percentage Voltage Imbalance.
MCA -
Minimum Circuit Amps
MOCP -
Maximum Overcurrent Protection
Example: Supply Voltage is 400V - 3ph - 60Hz
Maximum Deviation From Average Voltage
Average Voltage
FLA -
Full Load Amps
= 100 X
HP -
Horse Power
kW -
Kilowatt
Unbalanced 3-Phase Supply Voltage
392 + 404 + 395
Average Voltage =
3
Use the following formula to determine the percentage of voltage imbalance
400-3-50
Unit
40RUM-07
40RUM-08
40RUM-12
40RUM-14
40RUM-16
400-3-50
400-3-50
400-3-50
400-3-50
40RUM-14
400-3-50
360-440
Voltage Range
40RUM-07
400-3-50
360-440
40RUM-08
400-3-50
360-440
Unit
Voltage
IMPORTANT:
If the supply voltage phase imbalance is more than 2% contact your local electric utility company
Alternate Motors
Standard Motors
40RUM-12
400-3-50
360-440
Fan Motor
Power Supply
Fan Motor
Voltage Range
360-440
360-440
360-440
360-440
360-440
Voltage
This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%
Never operate a motor where phase imbalance in supply voltage is greater than 2%.
40RUM-16
400-3-50
360-440
= 100 X
% Voltage Imbalance
Determine maximum deviation from average voltage.
= 397V
= 1.76%
Maximum Deviation is 7v.
=
Page 18
Содержание 40RUM Series
Страница 20: ...TYPICAL WIRING SCHEMATIC 40RUM Unit Size 7 16 Page 20...
Страница 27: ...NOTES Page 27...