6
Operation and handling
CAUTION! Material damage!
Erratic or rapid flow increase when starting up the VO may cause damage to the oval
wheels, bearings and seals.
Start up the oval gear flow meter with slowly increasing flow.
Before switching on for the first time, check that
the VO has been installed correctly and that all screw connections are sealed.
the electrical wiring has been connected properly
the measuring system is vented by flushing.
6.1
Display
The display is an 8-digit 7-segment numeric display containing 20 information elements. The
information elements are used to display the unit, operating statuses, sensor signals, pro-
gramming symbols, etc.
Use the "
" key to select the display: Q
→
V1
→
V2
→
Q
→
V1
→
V2 ….
Explanation of the display symbols:
•
“A” or “B” is displayed for approx. 0.5 s when a pulse is generated at the sensor.
•
“Prog” indicates that the device is in programming mode.
•
“Q” and the respective flow unit are displayed together with the flow rate.
•
Volumes are displayed via “V1” total volume meter or “V2” daily volume meter. The vol-
ume units are shown accordingly. The “V2” meter can always be reset via the “R” key.
The “V1” meter can only be reset via the programming menu after entering the correct
password. The password prompt is deactivated upon delivery
•
The menu steps and the volume meters V1 or V2 are displayed in the programming mode
and the normal mode respectively via the numbers 1/2/3/4/5/6.
The daily volume meter and total volume meter do not display values below zero.
