Watson-Marlow 520Du - Manual (Page 20)

Watson-Marlow 520Du User Manual 20
11 Start-up check list
Note: See also 29.2 Tube loading.
Ensure that proper connections are achieved between the pump tube and
suction and discharge piping.
Ensure proper connection has been made to a suitable power supply.
Ensure that the recommendations in the section 9 Good pump installation
practice are followed.
12 Switching the pump on for the
first time
Note: This manual uses bold type to highlight the active option in menu screens:
“English” in the first screen represented here. The active option appears on the
pump display in
inverse text.
Switch on the power supply at the rear of the pump. The pump runs a power-
on test to confirm proper functioning of the memory and hardware. If a fault is
found, an error message is displayed. See 25.1 Error codes.
The pump displays a language menu. Use the UP and DOWN keys to select
your language. Press the ENTER key to confirm your choice.
The information which follows assumes that your choice was English.
When the language is chosen this menu will not appear again and all menus
will appear in the language you chose. (Language can be reset as described
later. See 18.16 Language.)
The pump displays the Watson-Marlow start-up screen for four seconds, fol-
lowed by the pump model identity screen for four seconds, and then the manu-
al mode main screen.
The rotation symbol on the display indicates clockwise rotation. The speed of
rotation is the pump’s maximum. Other initial start-up operational parameters
are listed in the table below.