FCUElectrical connection
Relay 1
Relay 2
Measuremen
t currently in
progress
Measuremen
t stopped
After the first
measured
value is
available:
Flow error
Flow rate
within set
range
M6
Measuremen
t currently in
progress
Measuremen
t stopped
After the first
measured
value is
available:
Flow error
Flow rate
within set
range
Relay 3
11
12
11
12
All operating
modes
FCU is ready for
use
FCU is not ready
for operation
FCU 2000-4 series
en(us)
34 / 120
BEWA FCU2000-4 3109987h en-us 2017-01-24.docx
2017-01-24