GENERAL
18
Domestic hot water (DHW)
v
An optional remote storage cylinder must be installed
before DHW production can be enabled. Press the DHW
button (3) to activate DHW production, as shown by a line
under the corresponding symbol.
ON: DHW is generated according to the DHW time pro-
gram (parameters 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.
Automatic
s
In automatic mode, room temperature is controlled by the time program.
Characteristics:
- Central heating operates according to the time program.
- The temperature setpoint is set to comfort "
o
" or reduced "
l
".
- All protection functions are active.
- Summer/winter switching is automatic (ECO functions) and 24h limit functions are active.
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 economy setpoint
Characteristics:
- Central heating is continuously on with no time program.
- All protection functions are active.
- Summer/winter switching is automatic (ECO functions) and 24h limit functions are inactive if comfort level is selected
(see parameters 730 and 732).
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.
- Automatic summer / winter changeover and automatic 24-hour heating limit active (ECO functions)
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
Mode selection
MODE SELECTION
