MU1H-1002GE23 R0804 8 Honeywell GmbH
GB
8.4 Cleaning (fig. 4)
Filter bowl and filter can be cleaned when necessary.
1. Close shut off valves on inlet and outlet..
2. Release pressure on outlet side (e.g. through water
tap).
3. Unscrew filter bowl.
Use double ring spanner ZR06K (☞ Accessories).
4. Remove filter, clean and place back in position.
5. Lightly coat O-ring with silicone grease and place
onto filter bowl.
6. Screw filter bowl in place.
7. Slowly open shut off valves on inlet and inlet..
9. Disposal
The pressure reducing valve consists of:
•Brass
• Steel
•Plastic
i
• To be carried out by an installation company
• To be carried out by the operator
•CAUTION!
To clean parts made of synthetic material do
not use detergents containing solvents!
• Detergents must not be allowed to enter the
environment or the sewerage system!
• Observe the local requirements regarding
correct waste recycling/disposal!
10. Troubleshooting
Disturbance Cause Remedy
Beating sounds Pressure reducing valve is too
large
Call our Technical Customer Ser-
vices on +49 (0) 18 01 46 63 00
Water is escaping from the spring
hood
Diaphragm in valve insert is faulty Replace valve insert
Too little or no water pressure Isolating valves up- or downstream of
the pressure reducing valve are not
fully open
Open the isolating valves fully
Pressure reducing valve is not set to
the desired outlet pressure
Set outlet pressure (☞ chapter 7)
Filter in pressure reducing valve is
contaminated
Clean or replace filter (☞ chapter 9)
Pressure reducing valve is not fitted
in flow direction
Fit pressure reducing valve in flow
direction (note direction of arrow on
housing)
The outlet pressure set does not
remain contant but rises continuously
Filter in pressure reducing valve is
contaminated or worn
Clean or replace filter (☞ chapter 9)
Valve insert, sealing ring or edge of
nozzle is contaminated or worn -
Unwanted rise above set pressure
Replace valve insert
Rising pressure on oulet (e.g. in
boiler)
Check non-return valve, safety group
etc.
OBJ_BUCH-10-001.book Seite 8 Donnerstag, 11. November 2004 4:43 16
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