Watson-Marlow 720UN and 720SN User Manual
45
UN, SN
16.7 Set maximum allowed speed
The maximum allowed speed of the drive defaults to 300 rpm. It is possible to set this
limit at any speed down to 1rpm as long as the minumum allowed speed is at least
1 rpm less, or up to 360 rpm.
In the second screen of the Setup menu select
Set max speed
using the
UP
and
DOWN
keys. Press
ENTER
to confirm your choice.
The pump displays a screen allowing the user to set the maximum speed of the
pump equal to or lower than the maximum available. Use the
UP
and
DOWN
keys to set the maximum allowed speed and press
ENTER
to confirm the figure.
The pump returns the user to the second screen of the Setup menu, via a warn-
ing screen requiring the user to press
ENTER
if he selected a speed greater
than 300 rpm.
Note
: Maximum allowed speed limits speed under manual or analogue control.
16.8 Set minimum allowed speed
The minimum allowed speed of the drive defaults to 0.1 rpm. It is possible to set this
limit at any speed up to 359 rpm, as long as the maximum speed is at least
1 rpm greater.
In the second screen of the Setup menu select
Set min speed
using the
UP
and
DOWN
keys. Press
ENTER
to confirm your choice.
The pump displays a screen allowing the user to set the minimum speed of the
pump equal to or higher than the minimum available. Use the
UP
and
DOWN
keys to set the minimum allowed speed and press
ENTER
to confirm the figure.
The pump returns the user to the second screen of the Setup menu.
Note
: Minimum allowed speed limits speed under manual or analogue control.
Note
: You can reduce the speed from the minimum set speed to 0 rpm by a further
press on the
DOWN
key.
