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Maintenance - resideo Braukmann BA295 Einbauanleitung

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7.2 Assembly instructions
1. Thoroughly flush pipework
2. Install backflow preventer
• Install in horizontal pipework with discharge connec-
tion directed downwards
• Note flow direction (indicated by arrow)
o Install without tension or bending stresses
• Provide a straight section of pipework of at least five
times the nominal valve size after the backflow
preventer
3. Attach drain pipe to discharge connection(plastic
pipe HT 50, HT70)
4. The appliance is ready for use

8. Maintenance

We recommend a planned maintenance
contract with an installation company
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 mainte-
nance-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
o 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 a planned maintenance
contract with an installation company
In accordance with DIN EN 1717 a regular mainte-
nance must be taken.
Frequency: every 1-3 years (depending on local
operating conditions)
To be carried out by an installation company
homecomfort.resideo.com/
GB
8.2.1 Cartridge insert
1. Close shutoff valve on inlet
2. Release pressure on outlet side (e.g. through water
tap)
3. Close shut off valve on outlet
4. Remove cover
5. Replace cartridge insert and lip seal
• Don't disassemble cartridge insert toindivi-
dual parts!
6. Reassemble in reverse order
o push down the cartridge insert till it snaps in
7. 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 shut off valve on outlet
4. Remove cover
5. Exchange check valve
6. Test function (see chapter inspection)
8.3 Cleaning
• To be carried out by an installation company
• To be carried out by the operator
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 shut off valve on outlet
4. Remove cover
5. Clean or replace cartridge insert and lip seal
• Don't disassemble cartridge insert toindivi-
dual parts!
6. Reassemble in reverse order
o push down the cartridge insert till it snaps in
7. Test function (see chapter inspection)
8
MU1H-1220GE23 R1020

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