Product overview
CR, CRI, CRN, CRE, CRIE, CRNE
10
Terminal box positions
As standard the terminal box is mounted on the suction
side of the pump.
Fig. 4 Terminal box positions
Ambient temperature
Ambient temperature: Maximum +104 °F.
If the ambient temperature exceeds +104 °F or if the
motor is located 3280 feet above sea level or higher,
the motor output (P2) must be reduced due to the low
cooling effect of the air. In such cases, it may be
necessary to use a motor with a higher output.
Fig. 5 Relationship between motor output (P2) and
ambient temperature
Viscosity
The pumping of liquids with densities or kinematic
viscosities higher than those of water will cause a
considerable pressure drop, a drop in the hydraulic
performance and a rise in the power consumption.
In such situations the pump should be equipped with a
larger motor. If in doubt, contact Grundfos.
TM02 18 05 2001TM03 4272
Stellung 6
Stellung 9
Stellung 12
Stellung 3
Position 6
Standard
Position 9 Position 12 Position 3
60 80 100 120 140 160 180
T [°F]
50
60
70
80
90
100
[%]
P2
1
2
3280 7382 11483 15584 ft
1 = Baldor motors
2 = Grundfos ML motors
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