M03Q40G6-03 30/07/08
pag
17
MANAGEMENT OF SYSTEM ELEMENTS ON UTILITY SIDE
The system can manage the following optionals.
The diagrams are indicative: check the position of the water connections on the dimensional drawing of the unit or on the
adhesive labels on the unit itself
3-way valve for sanitary hot water*
The valve is activated by external consent; when activated,
the set point of the unit is set to the sanitary hot water set
point (see details in the ELECTRICAL CONNECTIONS
section)
double temperature - underfloor heating
manages the elements of a mixed system with underfloor
fan coil / radiators: circulator, mixer valve, outlet
probe (see details in the ELECTRICAL CONNECTIONS
section)
8
8
7°
12°
18°
23°
coupling with boiler*
Below a certain external temperature, the boiler is
activated and the unit disabled.
(see details in the ELECTRICAL CONNECTIONS section)
Additional heating*
It is possible to control an external element for additional
heating with an ON-OFF or modulating control.
(see details in the ELECTRICAL CONNECTIONS section)
YV1
YV2
T
out1
Text
T out1
T ext
O - 10V
ON -OFF
* only WSHH,
with reversibility summer/winter on the water circuit performed by the customer.
