4.2 Operating water module compact (OWMC) 4 Sediment discharge function
40
Settings
Start to set the large discharge volume.
Proceed in following way:
1. Set the air pressure regulator (11) to 400 kPa
(4 bar).
2. Initiate a discharge by opening solenoid valve
for air supply inlet (506c).
3. Measure the discharged volume.
4. Adjust the discharged volume by altering the
pressure of the compressed air. A higher
pressure gives a larger volume. The air
pressure can be regulated between 400 and
600 kPa (4 - 6 bar).
Continue with the small discharge in following
way:
1. Open the needle valve (8) 3 turns.
2. Initiate a discharge by opening the solenoid
valve for air supply inlet (506b).
3. Measure the discharged volume.
The recommended volume for a small
discharge is the sediment space volume of
the bowl given in “Technical data” in the
Installation Manual
.
4. Adjust the discharged volume by regulating
the needle valve. A more open valve (anti-
clockwise) gives a larger volume.
NOTE
Do not adjust the air pressure to change the
volume for the small discharge. If doing so,
the volumes for both large and small
discharges will be changed.
The needle valve only sets the ratio between
the large and small discharges.
NOTE
The separator bowl must not be discharged
with a too small volume as this leads to build-
up of sediment in the sediment space as well
as in the disc stack resulting in an impaired
separation efficiency.
G0878411
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