25
Automatic
s
In automatic mode, room temperature is controlled by the timer program.
Characteristics:
- Central heating operates according to the timer program.
- The temperature setpoint is set to comfort "
o
" or reduced "
l
".
- All protection functions are active.
- Summer/winter switching is automatic (ECO functions). Continuous operation of central heating is limited to 24h.
Continuous operation
o
or
l
In continuous mode, room temperature is controlled on the basis of the comfort/reduced setting:
o
Central heating set to comfort setpoint
l
Central heating set to reduced setpoint
Characteristics:
- Central heating is continuously on with no time program.
- All protection functions are active.
- Summer/winter switching is automatic (ECO functions). Continuous central heating idle time is limited to 24h (see para-
meter 730).
Protection
b
In protection mode the central heating is switched off, but the system remains protected against frost (provided the
electrical supply remains switched on).
Characteristics:
- Central heating is switched off.
- Temperature is set to the frost protection setpoint.
- All protection functions are active.
Press the central heating mode button (5) to select the
various modes. The active mode is shown by a line under
the corresponding symbol.
5
Boiler temperature
3
Boiler temperature
Domestic hot water (DHW)
v
Press the central heating mode button (3) to activate
DHW production, as shown by a line under the corre-
sponding symbol.
ON: DHW is generated according to the timer program
(params. 560 to 566).
OFF: DHW production is switched off but the protection
functions remain active.
b
You can force DHW production (PUSH function) by
pressing and holding the DHW button (3) for at least
3 seconds. .
MODE SELECTION