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3.
Loosen slotted screw
• Do not remove slotted screw
4.
Slacken tension in compression spring
• Turn adjustment handle counter clockwise (-) until
it does not move any more
5.
Slowly open shut-off valve on inlet
6.
Turn control handle until the setting scale shows the
desired value
7.
Retighten slotted screw
8.
Slowly open shut-off valve on outlet
6
Maintenance
In order to comply with EN 806-5, water fixtures must
be inspected and serviced on an annual basis.
As all maintenance work must be carried out by an
installation company, it is recommended that a
servicing contract should be taken out.
In accordance with EN 806-5, the following measures must
be taken:
6.1 Inspection
Non-compliance can lead to the filter becoming blocked This
results in a drop in pressure and decreased water flow
The filter meshes are made of stainless steel. A red coating
as a consequence of rust from the pipelines has no influence
on function or the way the filter works
6.2 Maintenance
If necessary, the outside surface of the filter
combination can be cleaned.
Use only cold, clear drinking water to clean the
surfaces! Any other cleansers cause damage to the
plastic components!
6.2.1 Pressure reducing valve
1.
Close shut-off valve on inlet and outlet
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Loosen slotted screw
• Do not remove slotted screw
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
slackened!
4.
Slacken tension in compression spring
• Turn control handle to the left (-) until it does not
move any more
• Do not turn in too far!
5.
Unscrew spring bonnet
• Use double ring wrench ZR06K
6.
Remove slip ring
7.
Remove valve insert with a pair of pliers
MU1H-1184GE23 R0123
GB
8.
Unscrew filter bowl
• Use double ring wrench ZR06F
9.
Place O-ring onto filter bowl
10.
Remove slotted ring
11.
Check that sealing ring, edge of nozzle and slotted
ring are in good condition, and if necessary replace
the entire valve insert
12.
Reassemble in reverse order
Press in diaphragm with finger before inserting slip
ring
Screw in filter bowl hand-tight (without tools)
13.
Set outlet pressure and adjust setting scale
14.
Slowly open shut-off valve on inlet
15.
Slowly open shut-off valve on outlet
6.2.2 Replace filter mesh
In order to comply with DIN EN 806-5, the filter element must
be replaced every 6 months!
1.
Close shut-off valve on inlet and outlet
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Unscrew filter bowl
• Use double ring wrench ZR06F
4.
Remove filter cartridge
5.
Dismount filter insert
6.
Replace filter mesh by a complete new one
7.
Flush the new filter insert and the filter bowl with clear
drinking water
8.
Mount the filter insert
9.
Re-insert the filter insert
10.
Put O-ring on filter bowl
11.
Screw in filter bowl hand-tight (without tools)
12.
Slowly open shut-off valve on inlet
13.
Slowly open shut-off valve on outlet
6.2.3 Adjusting the setting scale
If the adjustment knob is removed, this setting is lost. A new
setting can be achieved using a pressure gauge.
1.
Close shut-off valve on inlet and outlet
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Loosen slotted screw
• Do not remove slotted screw
4.
Slowly open shut-off valve on inlet
5.
Set desired outlet pressure (e.g. 4 bar)
6.
Align scale (e.g. 4) in middle of viewing window
7.
Retighten slotted screw
8.
Slowly open shut-off valve on outlet
7
Disposal
Observe the local requirements regarding correct waste
recycling/disposal!
3
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