Watson-Marlow 520DUN User Manual page 26

Watson-Marlow 520DuN IP66/NEMA 4X User Manual
ENTER: cycles the information shown on the manual mode main screen from
revolutions per minute, to flowrate in a choice of units (via a warning screen if
flowrate has not been calibrated) to rpm, flowrate and Run time. (See START,
above. See 17 Calibrate. See 18.9 Run time.) This cycle operates when the
pump is stopped and when it is running. The default can be altered from within
the Setup menu. See 18.3 Display.
MENU: causes the main menu to be displayed, from which all aspects of pump
setup can be controlled. See 15 Main menu.
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 18.12 Auto-
restart.
STOP on power-up: switches off the Auto-restart facility. See 18.12 Auto-
restart.
STOP and DIRECTION on power-up: allows the user to press UP and DOWN
keys to toggle the sense of remote run / stop control between open=stop and
open=run.
STOP and UP while the pump is stopped: turns the display backlight on.
STOP and DOWN while the pump is stopped: turns the display backlight off.
MAX and UP: sets the pump to maximum allowed speed.
MAX and DOWN: sets the pump to minimum speed.
DIRECTION and DOWN: interrupts the display to show the pump's ROM ver-
sion for four seconds.
START pressed and held for two seconds: toggles the keypad lock on and off.
Only the START and STOP keys are active when keypad lock is on. The pad-
lock icon is displayed.
STOP pressed and held for two seconds: toggles the keypad lock on and off.
Only the START and STOP keys are active when keypad lock is on. The pad-
lock icon is displayed.
STOP STOP within half a second: shortcut entry to MemoDose; when in
MemoDose, shortcut return to manual mode main screen. See 20 MemoDose.
Note: The maximum allowed speed of the drive defaults to 220 rpm. It is possible
to set this limit at any speed up to this value. See 18.13 Set maximum speed.
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