Watson-Marlow 323Dz User Manual
25
Keypress combinations ...
cause the pump to function as follows:
UP
and
DIRECTION
on power-up: toggles the keypad beep on and off.
START
on power-up: switches on the Auto-restart facility. See 14
Auto-restart
.
STOP
on power-up: switches off the Auto-restart facility. See 14
Auto-restart
.
STOP
and
UP
: turns the display backlight on.
STOP
and
DOWN
: turns the display backlight off.
DIRECTION
and
DOWN
: interrupts the display to show the pump's ROM ver-
sion for four seconds.
Use the
UP
and
DOWN
keys to select
Manual
from the main menu. Press
RETURN
.
The display shows the last set speed. (An example is shown here.)
Use the
UP
key to increase the set speed. Use the
DOWN
key to reduce the set
speed. We recommend that the speed is reduced to a minimum before starting
the pump.
Press the
DIRECTION
key to reverse the direction of rotation.
The direction is shown by the rotation symbol. The direction may be changed
while the pump is stopped or running.
Start the pump with the
START
key.
The rotation symbol moves to confirm that the pump is operating. The symbol is
static when the pump is stopped.
Stop the pump with the
STOP
key. The pump stops immediately.
The display continues to show the previous speed and direction. The pump re-
turns to this speed when the
START
key is pressed again.
You can reduce the pump speed to 0 rpm with the
DOWN
key. The pump is still
in the running state and the rotation symbol continues to move. Press the
UP
key to return the pump to the minimum speed.
Press the
RETURN
key to return to the main menu. If the pump is operating it stops,
and the main menu is displayed.
