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31
COMMISSIONING
Ignition procedure
Press the ON/OFF button on the control panel to switch on the boiler.
The display shows:
The operating mode will be indicated by the three figures marked
out on the diagram above.
The first figure indicates the operating mode:
0 XX - Stand-by
C XX - Boiler active
c XX - “CH External Pump Overrun” - Heating external pump overrun
F XX - -Anti-freeze protection enabled
The second and third figures indicate:
- the flow temperature when no heating requests have been made
- the flow temperature in heating mode
- the flow temperature in anti-freeze mode.
Electricity supply
- Check that the voltage and frequency of the electricity supply
correspond to the data shown on the boiler data plate;
- Make sure that the earthing connection is efficient.
First ignition
1. Make sure that:
- The gas valve is closed;
- The electrical connection has been properly carried out. Make
sure that, the green/yellow earthing wire is connected to an
efficient earthing system;
- Switch on the boiler (by pressing the ON/OFF button)
- Bleed the air from the system;
-
The flue system should be suitable and free from any obstructions;
2. Open the gas isolating valve and check the connection seals,
including the boiler connection joints, making sure that the
meter does not detect any passage of gas. Eliminate any leaks.
3. Start the boiler by turning on the time c ensure
thermostats are calling for heat.
Содержание CLAS HE R
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