
Proceed as follows to drain the installation:
Flush the installation.
Clean the installation with a universal cleaner to eliminate debris from the system (copper, hemp, flux).
Thoroughly flush the installation until the water runs clear and shows no impurities
Installing the boiler in pre-existing installations:
Remove sludge from the installation.
Flush the installation.
Clean the installation with a universal cleaner to eliminate debris from the system (copper, hemp, flux).
Thoroughly flush the installation until the water runs clear and shows no impurities
7 Commissioning
7.1
General
Commissioning the boiler is done for first time use, after a prolonged shut-down (more than 28 days) or after any event that
would require complete re-installation of the boiler. Commissioning of the boiler allows the user to review the various settings
and checks to be made to start up the boiler in complete safety.
7.2
Checklist before commissioning
Perform the following checks before commissioning the boiler:
1. Check that the gas type supplied matches the data shown on the boiler's data plate.
Danger
Do not commission the boiler if the gas supplied does not match the gas types approved for the boiler.
2. Check the connection of the earthing cable.
3. Check the gas circuit from the gas valve to the burner.
4. Check the hydraulic circuit from the boiler's connections to the heating circuit.
5. Check that the hydraulic pressure in the heating installation is between 1.0 and 1.5 bar.
6. Check the power supply connections to the various boiler components.
7. Check the electrical connections on the thermostat and the other external components.
8. Check the ventilation in the room in which the system is installed.
9. Check the flue gas connections.
7.3
Commissioning procedure
Proceed as described below to commission the boiler:
Open the main gas cock.
Open the gas cock on the boiler.
Open the front panel as described in the chapter entitled "Accessing the boiler electrical connection board".
Check the gas supply pressure at the pressure socket on the gas valve.
Check the leak tightness of the gas connections in the boiler upstream of the gas valve.
Check the tightness of the gas pipe, including the gas valves. The test pressure must not exceed 60 mbar (6 kPa).
Degas the gas supply pipe by unscrewing the pressure socket on the gas valve. Reclose the socket once the pipe has been
sufficiently bled.
Check if the siphon is filled with water.
Check that there are no leaks in the hydraulic connections.
Check the seal/condition of the flue gas pipes.
Supply voltage to the boiler.
Important
For instructions on igniting the boiler, see the chapter entitled "Start-up".
7.4
Gas settings
Only a qualified professional can carry out the commissioning of the product and, if necessary, change the gas.
en
7 Commissioning
182
INIDENS
7804841 - 02 - 20012022
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