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9.4 Cleaning
Caution !
Do not use any cleaning agents containing solvents
and/or alcohol to clean the plastic parts!
If necessary, the filter bowl and the filter can be cleaned.
Frequency: every 6 month (depending on local opera-
ting conditions)
To be carried out by an installation company
Detergents must not be allowed to enter the environ-
ment or the sewerage system!
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Unscrew filter bowl
o Use double ring wrench ZR06F
5. Remove filter, clean and reinsert
6. Place O-ring onto filter bowl
7. Screw in filter bowl hand-tight (without tools)
8. Slowly open shutoff valve on inlet
9. Slowly open shutoff valve on outlet
11. Troubleshooting
Problem
Beating sounds
Water is escaping from the spring
bonnet
Too little or no water pressure
The outlet pressure set does not
remain constant
MU1H-1126GE23 R0609
GB
Cause
Filter combination is toolarge
Diaphragm in valve insert is faulty
Shutoff valves upstream or downstream
from filter not fully open
Filter combination is not set to the
desired outlet pressure
Filter mesh dirty
Not fitted in flow direction
Filter mesh dirty
Valve insert, sealing ring or edge of
nozzle is contaminated or worn
Rising pressure on outlet (e.g. in boiler) Check check valve, safety group etc.
8
10. Disposal
• Dezincification resistant brass housing
• Brass threaded connections
• High-quality synthetic material valve insert
• High-quality synthetic material spring bonnet with adjust-
ment knob and setting scale
• Spring steel adjustment spring
• Stainless steel fine filter
• Red-bronze or shock-resistant, clear transparent synthetic
material filter bowl
• Fibre-reinforced NBR diaphragm
• NBR seals
Observe the local requirements regarding correct waste
recycling/disposal!
Remedy
Call our Technical Customer Services
Replace valve insert
Open the shutoff valves fully
Set outlet pressure
Clean or replace filter
Fit filter in flow direction (note direction of arrow
on housing)
Clean or replace filter
Replace valve insert
Honeywell GmbH
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