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
1.
Close shut-off valve on outlet
2.
Check outlet pressure using a pressure meter when
there is zero through-flow
• If the pressure is increasing slowly, the valve may
be dirty or defective. In this instance, carry out
servicing and cleaning (See 6.2 Maintenance)
3.
Slowly open shut-off valve on outlet
8
Troubleshooting
Problem
Beating sounds
Water is escaping from the spring bonnet Diaphragm is faulty
Too little or no water pressure
9
Spare Parts
For Spare Parts visit homecomfort.resideo.com/europe
10 Accessories
For Accessories visit homecomfort.resideo.com/europe
GB
6.2 Maintenance
1.
2.
3.
4.
5.
6.
7.
8.
7
Observe the local requirements regarding correct waste
recycling/disposal!
Cause
Pressure reducing valve is too large
Shut-off valves up- or downstream of the
pressure reducing valve are not fully
open
Pressure reducing valve is not set to the
desired outlet pressure
Pressure reducing valve is not fitted in
flow direction
4
Close shut-off valve on inlet
Release pressure on outlet side (e.g. through water
tap)
Close shut-off valve on outlet
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
slackened!
Slacken tension in compression spring
• Turn control adjustment screw to the left (-) until it
does not move any more
Unscrew spring bonnet
Check that diaphragm, seals, guide and seating bush
are in good condition, and if necessary replace them
Reassemble in reverse order
Disposal
Remedy
Call Technical Customer Service
Replace diaphragm
Open the shut-off valves fully
Set outlet pressure
Fit pressure reducing valve in flow
direction (note direction of arrow on
housing)
MU1H-1005GE23 R0120