SEFRAM SFX+NETWORK, Technical Notice

Page: 41 / 108

Technical Data Sheet FI 72.0239.0320E
Page 41 / 108
VII – MDPP2000 BOX
A pressure switch MDPP2000 (special version SFX+NETWORK) can be connected on the bus in order
to obtain the information « loss of load ».
The “ID” number of the MDPP2000 must be adjusted to “1” (see MDPP2000 notice).
The differential pressure display measured by the MDPP2000 is shown on the Central Unit display in the
main box:
The display value flashes if an alarm is present on the MDPP2000 (low or high alarm)
→
(see notice MDPP2000)
ZERO PRESSURE ADJUSTMENT:
It is possible to adjust the zero pressure from the front side of the main box:
- disconnect the pressure on the MDPP2000 (release the two pressure taps)
- press the « LEFT » navigator button and keep it pressed
- press the « RIGHT » navigator button
- release both buttons: the zero pressure is set
- then reconnect the pressure on the MDPP2000
Remark: the speed at which the displayed measurement is updated depends on the number of slave boxes
on the bus.