Pressure Reducing Valve; Troubleshooting; Disposal - Honeywell HS10S-FA Einbauanleitung

9.2.5 Replace ball valve
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 discharge connection
5. Remove ball valve
6. Screw in new ball valve
7. Screw in discharge connection
8. Slowly open shutoff valve on inlet
9. Slowly open shutoff valve on outlet

9.2.6 Pressure reducing valve

1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Loosen hexagon nut
Caution !
There is a spring in the spring bonnet. It may cause injuries if the spring
is derailing.
• Make sure tension in compression spring is slakkened!
5. Slacken tension in compression spring
o Turn control adjustment screw to the left (-) until it does not move any
more
6. Unscrew spring bonnet
7. Check that diaphragm, seals, guide and seating bush are in good condi-
tion, and if necessary replace them
8. Reassemble in reverse order
9.3 Cleaning
9.3.1 Sieve
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
5. Remove filter cartridge
6. Clean sieve
7. Re-insert the filter insert
8. Screw filter bowl in place
9. Slowly open shutoff valve on inlet
10.Slowly open shutoff valve on outlet

11. Troubleshooting

Problem
Beating sounds
Water is escaping from the spring bonnet
Too little or no water pressure
Honeywell GmbH
GB

10. Disposal

• Check valve
• Fine filter
• Pressure reducing valve
• Unitec 300 green flange seals
• Stainless steel thread rods and nuts
Cause
Pressure reducing valve is too
large
Diaphragm is faulty
Shut-off valves upstream or downstream from water
station not fully open
Pressure reducing valve is not set to the desired
outlet pressure
Water station not mounted in the direction of flow
9
o Grey cast iron housing end and housing
o Stainless steel screws and nuts
o Stainless steel disc
o Stainless steel spring
o EPDM for lip seal ring
o Red bronze housing and filter bowl
o Stainless steel, red bronze and brass inner parts
o Stainless steel fine filter
o Grey cast iron housing and spring bonnet
o Bronze valve seat and piston guide
o Brass cone
o Spring steel adjustment spring
o EPDM diaphragm
o NBR seal collar and seals
o Stainless steel thread rod and nuts
Remedy
Call our Technical Customer Services
Replace diaphragm
Open the shutoff valves fully
Set outlet pressure
Fit water station in flow direction (note direction of
arrow on housings)
MU1H-1155GE23 R0710