Troubleshooting; Spare Parts - Honeywell D04FM Installation Instructions Manual

8. Remove filter and clean
9. Check that sealing ring, edge of nozzle and 'o'-ring are in
good condition, and if necessary replace the entire valve
insert
10. Reassemble in reverse order
Press in diaphragm with finger before inserting slip ring
11. Set outlet pressure
7.3. Cleaning
Caution !
Do not use any cleansers that contain solvents and/or
alcohol for cleaning the plastic parts, because this can
cause damage to the plastic components - water
damage could result.
If nesseccary, the filter can be cleaned.
To be carried out by an installation company or the
operator.
Detergents must not be allowed to enter the environ-
ment or the sewerage system!
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)

9. Troubleshooting

Problem
Beating sounds
Water is escaping from the spring
bonnet
Too little or no water pressure
The outlet pressure set does not
remain constant

10. Spare Parts

No. Description Dimension
1 Valve insert 3/8" - 3/4"
complete
2 Blanking plug
with O-ring R1/4"
(5 pcs.)
MU1H-1054GE23 R0215
GB
3. Close shutoff valve on outlet
4. Slacken tension in compression spring
5. Unscrew spring bonnet
6. Remove valve insert with a pair of pliers
7. Remove filter, clean and reinsert
8. Reassemble in reverse order
9. Set outlet pressure
8. Disposal
• Dezincification resistant brass housing
• High-quality synthetic material valve insert
• High-quality synthetic material spring bonnet
• Spring steel adjustment spring
• Fibre-reinforced EPDM diaphragm
• EPDM sealing
Cause
Pressure reducing valve is too
large
Diaphragm in valve insert is faulty
Shutoff valves up- or downstream of the
pressure reducing valve are not fully open
Pressure reducing valve is not set to the
desired outlet pressure
Filter in pressure reducing valve is conta-
minated
Pressure reducing valve is not fitted in flow
direction
Filter in pressure reducing valve is conta-
minated or worn
Valve insert, sealing ring or edge of nozzle
is contaminated or worn
Rising pressure on outlet (e.g. in boiler)
11. Accessories
Part No. M38K Pressure gauge
D04FMA-1/2
S06K-1/4
5
• Turn adjustment handle counter clockwise (-) until it
does not move any more
Press in diaphragm with finger before inserting slip ring
Observe the local requirements regarding correct
waste recycling/disposal!
Remedy
Call our Technical Customer Services
Replace valve insert
Open the shutoff valves fully
Set outlet pressure
Clean or replace filter
Fit pressure reducing valve in flow direction
(note direction of arrow on housing)
Clean or replace filter
Replace valve insert
Check check valve, safety group etc.
Housing diameter 50 mm, below connection thread
G1/4". Ranges: 0 - 4, 0 - 10, 0 - 16 or 0 - 25 bar.
Please indicate upper value of pressure range when
ordering
When attaching a pressure gauge please use a sealing
tape that is approved by the local water regulator
Honeywell GmbH