38
Replaced
When the warning
Replace motor bearings
has been confirmed,
•
the counter is set to 0.
•
the number of relubrications is set to 0.
•
the number of bearing changes is increased by 1.
17.7.18 Temperature sensor 1 (3.21)
This display is only shown if an MCB 114 sensor input module
has been installed.
Select the function of a Pt100/Pt1000 temperature sensor 1
connected to an MCB 114:
•
D-end bearing
•
ND-end bearing
•
Other liq. temp. 1
•
Other liq. temp. 2
•
Motor winding
•
Pumped liq. temp.
•
Ambient temp.
•
Not active.
17.7.19 Temperature sensor 2 (3.22)
This display is only shown if an MCB 114 sensor input module
has been installed.
Select the function of a Pt100/Pt1000 temperature sensor 2
connected to an MCB 114:
•
D-end bearing
•
ND-end bearing
•
Other liq. temp. 1
•
Other liq. temp. 2
•
Motor winding
•
Pumped liq. temp.
•
Ambient temp.
•
Not active.
17.7.20 Standstill heating (3.23)
The standstill heating function can be set to these values:
•
Active
•
Not active
.
When the function is set to
Active
and the pump is stopped by a
stop command, a current will be applied to the motor windings.
The standstill heating function pre-heats the motor to avoid
condensation.
17.7.21 Ramps (3.24)
Set the time for each of the two ramps, ramp-up and ramp-down:
•
Factory setting:
Depending on power size.
•
The range of the ramp parameter:
1-3600 s.
The ramp-up time is the acceleration time from 0 rpm to the rated
motor speed. Choose a ramp-up time such that the output current
does not exceed the maximum current limit for the CUE.
The ramp-down time is the deceleration time from rated motor
speed to 0 rpm. Choose a ramp-down time such that no
overvoltage arises and such that the generated current does not
exceed the maximum current limit for the CUE.
Fig. 55
Ramp-up and ramp-down, display 3.24
18. Setting by means of PC Tool E-products
Special setup requirements differing from the settings available
via the CUE require the use of Grundfos PC Tool E-products. This
again requires the assistance of a Grundfos service technician or
engineer. Contact your local Grundfos company for more
information.
T
M
03 9
439 09
08
Rated
Ramp-up
Ramp-down
Speed
Time
Minimum
Initial ramp
Final ramp
Maximum
Grundfos.bk Page 38 Friday, July 30, 2010 10:10 PM
Grundf
os CU
E
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