Application - Ferroli OMNIA M 3.2 Installation And Owner's Manual

8.2 Application 2

ROOM THERMOSTAT Control for Space heating or cooling need to be set on the user interface. It can be set
in three ways: MODE SET/ONE ZONE/DOUBLE ZONE. The molobloc can be connected to a high voltage room
thermostat and a low voltage room thermostat. A hydraulic adapter box can also be connected. Another six
thermostats can be connected to the hydraulic adapter box. Please refer to 9.7.6/6. "FOR ROOM THERMOSTAT" for
wiring. (see 10.6.6 "ROOM THERMOSTAT" for setting)
8.2.1 One zone control
Outdoor
1
Modbus
Code Assembly unit
1 Main unit
2 User interface
Balance tank (Field supply)
4
4.1 Automatic air purge valve
4.2 Drainage valve
P_o: Outside circulation pump (Field supply)
5
10 Expansion vessel (Field supply)
12 Filter (Accessory )
Space heating
One zone control: the unit ON/OFF is controlled by the room thermostat, cooling or heating mode and outlet
water temperature are set on the user interface. System is ON when any "HL" of all the thermostats closes. When
all "HL" open, system turns OFF.
The circulation pumps operation
When the system is ON, which means any "HL" of all the thermostats closes, P_o starts running; When the
system is OFF, which means all "HL" close, P_o stops running.
2 RT2 RT3
21
RT7
RT6
RT8
RT1
14
15
14
12
16
16
15
Indoor
RT4
RT5
10
4.1
5
4
4.2
FHL1
Code Assembly unit
14 Shut-off valve (Field supply)
15 Filling valve (Field supply)
16 Drainage valve (Field supply)
19 Collector/distributor (Field supply)
21 Thermostat transfer board (Optional)
RT 1...7 Low voltage room thermostat (Field supply)
High voltage room thermostat (Field supply )
RT8
FHL Floor heating loop (Field supply)
1...n
19
FHL2 FHLn