Check Valve; Pressure Reducing Valve; Troubleshooting; Spare Parts - resideo Braukmann BA295D-3/4WHD Einbauanleitung

8. Insert lower housing part
9. Install new retaining clip and seal brackets
10. Open shut-off valve upstream the valve
11. Test function (see 5.1 Inspection)

5.3.3 Check valve

If necessary, the outlet check valve can be replaced.
1. Close shut-off valve upstream the valve
2. Slightly open test plug to release pressure
3. Remove threaded adapter
4. Remove and exchange check valve
5. Install threaded adapter
6. Open shut-off valve upstream the valve
7. Test function (see 5.1 Inspection)

5.3.4 Pressure reducing valve

1. Close shut-off valve upstream the valve
2. Slightly open test plug to release pressure
3. Slacken tension in compression spring
• Turn adjustment handle counter clockwise (-) until
it does not move any more
7

Troubleshooting

Problem
Discharge valve opens without apparent
reason
Discharge valve does not close
Flow is too low
Too little or no water pressure
The outlet pressure set does not remain
constant
Water is escaping from the spring bonnet Diaphragm in valve insert is faulty
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Spare Parts

For Spare Parts visit homecomfort.resideo.com/europe
9

Accessories

For Accessories visit homecomfort.resideo.com/europe
GB
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Observe the local requirements regarding correct waste
recycling/disposal!
Cause
Cartridge insert is contaminated
Deposits on valve seat
Damaged 'o'ring
Leaky discharge valve
Strainer inlet or middle chamber is
contaminated
Shut-off valve on inlet is only opened
partially
Pressure reducing valve is not set to the
desired outlet pressure
Strainer inlet chamber is contaminated
Strainer inlet chamber is contaminated or
worn
Valve insert, sealing ring or edge of
nozzle is contaminated or worn
Rising pressure on outlet (e.g. in boiler) Check check valve, safety group etc.
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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!
Unscrew spring bonnet
• Use spanner
Remove slip ring
Remove valve insert with a pair of pliers
Remove filter and clean
Check that sealing ring, edge of nozzle and 'o'-ring are
in good condition, and if necessary replace the entire
valve insert
Reassemble in reverse order
Set outlet pressure

Disposal

Remedy
Replace complete replacement unit
Replace complete replacement unit
Replace complete replacement unit
Replace complete replacement unit
Clean or replace strainer
Open the shut-off valves fully
Set outlet pressure
Clean or replace strainer
Clean or replace strainer
Replace valve insert
Replace valve insert
MU1H-1260GE23 R0420