5
925.220.4 - EN
INSTRUCTIONS PERTAINING TO THE USER
3.1 SYMBOL MEANING
There are
4 power levels
displayed during boiler operation,
relevant to the gas boiler modulation, as shown in fig. 2:
0605_1802
Figure 2
Press this button to set the following boiler operation modes:
t46..&3
t8*/5&3
t)&"5*/(0/-:
t0''
In
SUMMER
mode the symbol
is shown on the display. The boiler only meets DHW demands; heating mode is not
enabled (frost protection function is enable).
In
WINTER
mode the symbols
are shown on the display. The boiler meets DHW and heating mode demands
(frost protection function activated).
In
)&"5*/(0/-:
mode the symbol
is shown on the display. The boiler only meets heating mode demands (frost
protection function is enable).
If
OFF
is selected, neither of the two symbols (
) (
) is displayed. In this mode only the frost protection function is
enabled and any other demands in DHW or heating mode are not met.
3.2 DESCRIPTION OF BUTTON
(Summer - Winter - Heating only - Off)
By pressing this button it is possible to set one of the following Heating modes:
AUTO-MANUAL-OFF as describe below.
AUTO (Displayed symbol
)
The Heat request depends on the type of the “Time Programs” set (COMFORT room temperature “
” or REDUCED room
temperature “ ”). See section 3.6 to set the programming heating mode.
."/6"- %JTQMBZFETZNCPM
)
This function disables the “Time Programming” in Heating mode. Press the
+/-
button to set the room temperature
value.
OFF (Displayed symbol
)
This function disables the Heating mode and the display shows the
symbol (the frost protection is enabled).
3.3 DESCRIPTION OF BUTTON
(AUTOMATIC-MANUAL-OFF)