3
UK
To avoid malfunction a minimum
distance between the flow monitor
and bends, valves, changes
in cross-section or such like must
be observed:
•
Min. 5 x pipe diameter upstream
(A).
•
Min. 3 x pipe diameter
downstream (B).
3 Electrical connection
The unit must only be mounted by an electrician. The national and
international regulations for the installation of electrical equipment must be
observed. Voltage supply to EN 50178, SELV, PELV.
►
The device shall be supplied from an isolating transformer having a secondary
Listed fuse rated as noted in the following table. Disconnect power before con-
necting the unit as follows (max. cable length: < 10m).
Pin 2: programming wire
Operating voltage [V]
24 AC / DC ± 15% (AC: 47...63 Hz)
Current rating [mA]
80 AC / DC
Voltage drop [V]
< 0,8
Current consumption [mA]
< 50
Output
normally open
