Watson-Marlow 323Dz User Manual
Page 25
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.