MAN055
– REV. 0 DATE: 11.01.2011
DRAFT BY: U.T.
PAG. 8 DI 9
Acqua Brevetti 95 s.r.l.
5.1.5 Troubleshooting
Problem
Cause
Solution
High head losses across the
filtering cartridge
Dirty filtering cartridge
Activate back wash
Water draw from discharge
valve
Discharge valve not completely
closed (dirt in the o-ring seat)
See paragraph 5.1.6 “Discharge valve cleaning”.
Filter out of phase
See paragraph 5.1.5 “Placing the filter in phase”
Increase
of
the
pressure
downstream
the
pressure
reducer in the presence of a
boiler
Water overheating, increase of
water volume.
Install an expansion tank.
The pressure reducer do not
maintain the pressure set
Foreign bodies in the shutter
gasket
Open the pressure reducer and clean the
gasket. Check the filter which is probably not
properly working.
Water leakage from the upper
part of the pressure reducer
Pressure reducer membrane
damaged
Replace the membrane.
Attention
This kind of operations must be done by qualified technical personnel
