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Check list prior to commissioning
1. Is the combustion air supply assured? Yes No
2. Is the adequate venting of the installation room assured? (only for open flue operation) Yes No
3. Does the power supply meet all relevant regulations? Yes No
4. Is the power supply 230 Volt 50 Hz? Yes No
5. Is the balanced flue line correctly connected and sound? Yes No
6. Has the heat distribution network been flushed (in modernisation projects)? Yes No
7. Is an adequately sized diaphragm expansion vessel correctly fitted? Yes No
8. Is the safety valve connected with an open drain? Yes No
9. Is the system pressure in the green range? Yes No
10. Have the boiler and the heating system been vented? Yes No
Open all control valves fully for venting and the initial start-up.
11. Is the cylinder full of water? Yes No
12. Are all sensors connected and correctly positioned? Yes No
(outside temperature sensor, cylinder temperature sensor)
13. With a mixer installation (option), is the mixer circuit sensor, mixer motor and the mixer circuit pump Yes No
connected to he correct plug-in position and are the corresponding plugs plugged in to the respective position
on the PCB?
14. Is the room station correctly terminated (A, B) and plugged in? Yes No
15. Is the gas supply correctly connected and correctly installed? Yes No
16. Is the gas line correctly vented and sound? Yes No
17. Are the gas type and the gas inlet pressure identical with the values on the burner label? Yes No
Only start the system if you have answered “Yes” to all of the above questions.
Check list post commissioning
A Is the circulation pump running - is the heating system getting warm? Yes No
B Is the flow pressure within the range permissible for this gas type? Yes No
C Are the screws for the gas test points tight and sound? Yes No
D Has the plug of the three-way diverter valve been plugged in again after commissioning? Yes No
Only hand the system over to the system user if you have answered “Yes” to all of the above questions.Complete the installation
and training form supplied together with the user.
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