Radiant R1K, User Manual

10

R1K 25 RAIN - RAD - ING - Man.Ut. - 1901.1_firm.L224C_AHS

3 Ac

censione_Modalità 

di funzionamento_Antigel

o_MIAH4_MIAH6_EN

3.    USE

USER

1.1.5. START-UP

Before starting the boiler make sure that it is 
powered and that the gas tap below the boiler is 
open.

To start the boiler press the function key ‘

’ and 

select the desired operating mode. If the symbol 
is displayed fixed, it means that the function was 
activated. 

1.1.6. OPERATING MODE

SUMMER MODE

In this mode the boiler meets only the demands of 
domestic hot water.

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

’, the symbol ‘

’ 

will appear fixed on the display, indicating that the 
function is enabled.

Whenever hot domestic water is needed the 
automatic start-up system will start the burner; 
this is indicated by displaying the symbol ‘

’ 

blinking.

ONLY HEATING MODE

In this mode the boiler meets only the demands of 
heating.

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

’, the symbol ‘

’ will appear fixed on the display, indicating that 

the function is enabled.

Whenever heating energy is needed to heat the 
rooms the automatic start-up system will start the 
burner; this is indicated by displaying the symbol ‘

’ blinking.

WINTER MODE

In this mode the boiler meets the demands of 
heating and of domestic hot water.

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

’, the symbols ‘

and 

’ will appear fixed on the display, indicating 

that the function is enabled.

Whenever heating energy and domestic hot water 
are needed the automatic start-up system will 
start the burner; this is indicated by displaying the 
symbol ‘

 and 

’ blinking.

ADJUSTING THE HEATING TEMPERATURE

You can adjust the temperature using keys ‘

’ and 

‘

’ of the heating circuit 

:

· press key ‘

’ to decrease the temperature.

· press key ‘

’ to increase the temperature.

The heating temperature adjustment field ranges 
from 30 °C to 80 °C (25 °C – 45 °C for floor systems).

DOMESTIC HOT WATER TEMPERATURE 
ADJUSTMENT

You can adjust the temperature using keys ‘

’ and 

‘

’ of the domestic circuit 

:

· press key ‘

’ to decrease the temperature.

· press key ‘

’ to increase the temperature.

The hot domestic water temperature adjustment 
field ranges from 35 °C to 60 °C.

OFF MODE

In this mode the boiler no longer meets the heating 
and domestic hot water demands, the anti-freeze,