15.1.1 Control settings > Speed limit
The maximum pumphead speed limit may be change. This limit is dependent on the pumphead which is fitted to
the drive unit.
Maximum pump speed
qdos20
qdos30
qdos60
qdos120
qdosCWT
55 rpm (ReNu 20)
125 rpm
125 rpm
140 rpm (ReNu 120)
125 rpm (CWT)
125 rpm (CWT)
125 rpm (ReNu 60)
55 rpm (ReNu 20)
To reduce maximum speed limit:
Procedure
1. Highlight
Speed Limit Option
2.
SELECT
.
3. Use
+/-
keys to adjust values
4. Choose
SAVE
to store new value
NOTE40
This speed limit will be applied to all operating modes.
IMPORTANT: Applying speed limit automatically re-scales the analog speed control response
mA
rpm
mA
rpm
Figure 1 - The effect of a 75 rpm speed limit on user-defined 4-20 mA response profiles
Calibrated 4-20 mA
user_max_flow
recalibrated
15 INSTALLATION: PART 6 (SETTING UP THE PUMP (CONTROL SETTINGS))
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