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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 

 

 

 

 

 

 

 

 

 
 

 

 

Summary of Contents for BravoFIL Plus

Page 1: ...OPERATING MANUAL SEMI AUTOMATIC SELF CLEANING FILTER WITH PRESSURE REDUCER BravoFIL Plus Semi automatic self cleaning filter with pressure reducer BravoFIL Plus Fittings Code FT120 1 FT122 1 1 4 FT12...

Page 2: ...DI 9 Acqua Brevetti 95 s r l DIMENSIONS The dimensions are in mm Filter Code A B C D E F mm FT120 180 270 105 375 400 160 FT122 175 270 105 375 400 160 FT124 185 270 105 375 400 160 Document Revision...

Page 3: ...ch as sand silt rust oxides The filter is equipped with a pressure reducer that lets you adjust the pressure downstream thereof in a range of values ranging from 1 to 6 bar The maximum diameter of par...

Page 4: ...ments installed before the filter to eliminate any foreign body It is advisable to install shut off valves immediately up stream and down stream the unity It is advisable to install a by pass valve to...

Page 5: ...e high mechanical and corrosion resistance Pressure reducer In the back plate connection is housed the pressure reducer which is pre calibrated at the factory with an outlet pressure of 3 bar This val...

Page 6: ...t the turning of the green upper knob until the complete cleaning of the filtering cartridge is obtained Turn the filtering knob until the filtering position is reached with the discharge valve closed...

Page 7: ...1 8 Insert a curved pincer inside the discharge valve and rotate it clockwise to close the valve completely 1 9 Screw the brass nut insert the green plastic cover and put in the fork up as the initial...

Page 8: ...agraph 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 p...

Page 9: ...ents for performances safety and testing Acqua Brevetti 95 S r l operates with a Quality System certified according to Standard UNI EN ISO 9001 2000 with certificate N 50 100 7368 drafted by T V Itali...

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