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6.1.3 Check valve
1.
Close shut-off valve on inlet
2.
Open test valve
• Until the pressure is released, some water will flow
out of the test valve. After a short period of time the
water flow should stop. If the water continues to
drip or run, then the check valve must be replaced
(see 6.2.3 Check valve)
3.
Close test valve again
4.
Slowly open shut-off valve on inlet
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
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Close shut-off valve on outlet
4.
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!
5.
Slacken tension in compression spring
• Turn adjustment handle counter clockwise (-) until
it does not move any more
• Do not turn in too far!
6.
Unscrew spring bonnet
• Use double ring wrench ZR10K
7.
Remove slip ring
8.
Remove valve insert with a pair of pliers
9.
Unscrew filter bowl and guide piece
• Use double ring wrench ZR10K
10.
Remove old filter insert and replace by a new one!
11.
Remove slotted ring
12.
Place O-ring onto filter bowl
13.
Screw in filter bowl hand-tight (without tools)
14.
Check that sealing ring, edge of nozzle and slotted
ring are in good condition, and if necessary replace
the entire valve insert
15.
Reassemble in reverse order
GB
Press in diaphragm with finger before inserting slip
ring
Screw in filter bowl hand-tight (without tools)
16.
Set outlet pressure and adjust setting scale
17.
Slowly open shut-off valve on inlet
18.
Slowly open shut-off valve on outlet
6.2.2 Filter
•
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
CAUTION!
Do not forget to do a visual check of the ball valve.
Replace if it is dripping!
6.2.3 Check valve
1.
Close shut-off valve on inlet
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Close shut-off valve on outlet
4.
Replace check valve
5.
Slowly open shut-off valves on inlet and outlet
6.3 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!
6
MU1H-1101GE23 R1123
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