Radiant R1K 34, User Manual

11

R1K 34 - RAD - ING - Man.Ut. - 1901.1_firm.L224C_AHS

3 Ac

censione_Modalità 

di funzionamento_Antigel

o_MIAH4_MIAH6_EN

3. USE  

USER

pump anti-locking and diverter valve anti-locking 
systems still remain active.

To switch the boiler to OFF operating mode, press 
the function key ‘

’, the symbol ‘

’ will 

appear fixed on the display, indicating that the 
function is enabled (for non condensing models 
will appear the message ‘OFF’).

If the boiler was previously running, it will be turned 
off and the post-ventilation and post-circulation 
functions will be enabled.

If you have to deactivate the boiler for a long period 
of time, proceed as follows:

› contact the Technical support centre that will 

empty the water system, where no anti-freeze is 
intended, and will cut off the power, water and 
gas supply.

› Or leave the boiler in OFF operating mode 

keeping active the electrical and gas supplies so 
that the anti-freeze function may activate.

1.1.7. INFORMATIONAL NOTE ON 

ANTI-FREEZE FUNCTION 

The boiler is protected against freezing thanks to 
the electronic board preparation with functions 
that start the burner and heat the concerned parts 
when their temperature goes below the minimum 
pre-set values.

 WARNING

This function is available only if:

› the boiler is powered; 

› the gas supply is open;

› the pressure of the system is proper;

› the boiler is not blocked.