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
1. Procedure according to instruction of the test control unit
TKA295
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
1. Procedure according to instruction of the test control unit
TKA295
8.2. Maintenance
We recommend a planned maintenance contract with
an installation company
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. Unscrew discharge connection
5. Remove elbow pipe
6. Remove retaining ring
7. Replace cartridge insert and lip seal
Don't disassemble cartridge insert to individual parts!
8. Reassemble in reverse order
• push down the cartridge insert till it snaps in
9. Test function (see chapter inspection)
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. Exchange check valve
Check valve will be destroyed after demounting
5. Test function (see chapter inspection)
8.3. Cleaning
• To be carried out by an installation company
• To be carried out by the operator
MU1H-1233GE23 R0617
GB
If necessary, the cartridge insert can be cleaned.
Do not use any cleaning agents containing solvents
and/or alcohol to clean the plastic parts!
Detergents must not be allowed to enter the
environment or the sewerage system!
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 discharge connection
5. Remove elbow pipe
6. Remove retaining ring
7. Clean or replace cartridge insert and lip seal
Don't disassemble cartridge insert to individual
parts!
8. Reassemble in reverse order
• push down the cartridge insert till it snaps in
9. Test function (see chapter inspection)
9. Disposal
• Dezincification resistant brass housing
• High-quality synthetic material valve cartridge
• High-quality synthetic material or red bronze check valves
• 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