7.4 Down-speed adjustment
after intervention
Adjust the by-pass after an inter-
vention included between 0,02
and 0,05 m/s.
1. Completely close the
modulating valve screwing
the main adjustment screw
thoroughly.
2. Remove the protection cap
for by pass adjustment and
loose the counter-nut.
3. Operate on the adjustment
screw of the by-pass so that
the down speed is included
between 0,02 and 0,05 m/s.
The speed increases
screwing and decreases
loosing the screw.
flow rate [l/min]
25
GB