9
2
within the heating unit to 70° (Th21 - Ih21) and combustion is regulated on the basis of this value. When
there is no longer any request, the Sanitary Function ends at timer expiration (T68) set to 20sec by default,
repositioning the heating unit thermostat to the original temperature.
It is also advisable to use the sanitary function with heating unit temperatures not below 65°, in order to
optimize production of hot water and avoid the risk of cold outflow.
2.3.2
System configuration
Symbols
Component
Presence within the product of components described according to
the model ordered
Version: Only system heating
Version: System h DHW
production
P1
Boiler body circulator
PRESENT
PRESENT
P2
Circulator or solenoid
valve
NOT PRESENT
PRESENT
FL
Flow meter
NOT PRESENT
PRESENT
S1
Boiler probe
PRESENT
PRESENT
S2
Puffer probe
NOT PRESENT
NOT PRESENT
All components not present inside can be added during installation, followed by a correct electrical connection and
configuration that will be illustrated in the following chapters.
To set the system configuration more suited to the type of installation, simply change parameter P26 in the System
Menu, in the Default Settings section.
Parameter variation
System type
P26 = 0
Configuration 0
P26 = 2
Configuration 2
P26 = 4
Configuration 4
The operating logics for the various types of system configuration will be illustrated below.
Configuration 0 - P26 = 0 - Factory default
System combined with gas boiler in the heating version only.
To connect the thermo-stove to another (gas-operated) boiler to a closed-vessel water system, it is
advisable to install a Plate Heat Exchanger, keeping the water circuits of the two heat generators separate.
