Maintenance - Honeywell BA095 BAmini Einbauanleitung

8. Maintenance

We recommend taking out a servicing contract with an
installation firm
Maintenance of backflow preventer must be carried out
by authorized personnel!
8.1. Inspection
Frequency: every 6 month (depending on local operating
conditions)
To be carried out by an installation company
Inspection with a test control unit and maintenance-set
(see accessories)
8.1.1. Testing discharge valve
Take note of the instructions of the test control unit
TKA295 or TK295
1. Procedure according to instruction of the test control unit
TKA295 resp. TK295
Quick test for the discharge valve:
• Lower the inlet pressure
- if the discharge valve opens (it drops), the
function is o.k.
8.1.2. Testing outlet check valve
Take note of the instructions of the test control unit
TKA295 or TK295
1. Procedure according to instruction of the test control unit
TKA295 resp. TK295
8.2. Maintenance
We recommend taking out a servicing contract with an
installation firm
In accordance with DIN EN 1717 a regular maintenance must
be taken.
Interval: once a year
To be carried out by an installation company
8.2.1. Cartridge insert
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Remove discharge connection
5. Remove retaining ring
6. Replace cartridge insert and lip seal
Don't disassemble cartridge insert to individual parts!
7. Reassemble in reverse order
• push down the cartridge insert till it snaps in
8. Test function (see chapter inspection)
MU1H-1245GE23 R0716
GB
8.2.2. Check valve
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Unscrew the plug
5. Remove retaining ring
6. Remove and exchange check valve
Check valve will be destroyed after demounting
7. Reassemble in reverse order
8. Test function (see chapter inspection)
8.3. Cleaning
To be carried out by an installation company or the
operator.
Do not use any cleaning agents containing solvents
and/or alcohol to clean the plastic parts!
Detergents must not be allowed to enter the environ-
ment or the sewerage system!
8.3.1. Cartridge insert
If necessary, the cartridge insert can be cleaned.
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Remove discharge connection
5. Remove retaining ring
6. Clean or replace cartridge insert and lip seal
Don't disassemble cartridge insert to individual parts!
7. Reassemble in reverse order
• push down the cartridge insert till it snaps in
8. Test function (see chapter inspection)
8.3.2. Sieve
If nesseccary, the filter can be cleaned.
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water tap)
3. Close shutoff valve on outlet
4. Unscrew the pipeline on the input side
5. Remove filter, clean and reinsert
6. Montage dans l'ordre inverse
9. Disposal
• Brass housing
• High-quality synthetic material valve cartridge
• High-grade synthetic material check valve
• Sealing elements made of elastomer materials suitable for
drinking water
• High-quality synthetic material discharge connection
Observe the local requirements regarding correct
waste recycling/disposal!
6 Honeywell GmbH