Check Valve; Spare Parts; 10 Accessories; Disposal - resideo Braukmann NK300S Instructions D'installation

CAUTION!
Do not dismantle cartridge insert in individual parts!
8. Reassemble in reverse order
• push down the cartridge insert till it snaps in
9. Check operation

6.2.3 Check valve

1. Close shut-off valve on inlet and outlet
2. Remove blanking plugs
3. Backflow preventer is released
4. Remove valve insert of pressure reducing valve
5. Replace check valve
Problem
No or too small water flow rate
Discharge valve opens without reason
(no fluctuation of inlet pressure)
Discharge valve does not close
Water is escaping from spring hood
The outlet pressure set does not remain
constant
9

Spare Parts

For Spare Parts visit homecomfort.resideo.com/europe

10 Accessories

For Accessories visit homecomfort.resideo.com/europe
GB
6.
7.
7
Observe the local requirements regarding correct waste
recycling/disposal!
8
Cause
Refilling combination is not fitted in flow
direction
Ball valves up- or downstream of refilling
combination are not fully open
integrated strainer is contaminated
Pressure reducing valve is not set to the
desired outlet pressure
Non return valve upstream or discharge
valve are contaminated
Discharge valve is contaminated or faulty Remove cartridge insert and clean or
Valve insert diaphragm damaged
Valve insert, sealing ring or edge of
nozzle is contaminated or worn
4
Check valve will be destroyed after demounting
Mount valve insert of pressure reducing valve
Check operation

Disposal

Troubleshooting

Remedy
Fit refilling combination in flow direction
(note direction of arrow on housing)
Open shut off valves fully
Clean strainer
Set outlet pressure
Remove cartridge insert and clean or
exchange it
exchange it
Exchange valve insert
Exchange valve insert
MU1H-1556GE23 R0420