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8 TYPICAL APPLICATIONS
The application examples given below are for illustration only.
8.1 Application 1
Space heating with a room thennostat connected to the unit.
Coding
Assembly unit
1
Outdoor unit
1.1
Manometer
1.2
Pressure relief valve
1.3
Expansion vessel
1.4
Plate heat exchanger
1.5
Air purge valve
1.6
Flow switch
1.7
P_i: Circulation pump inside the unit
2
Y-shapefiHer
3
Stop valve (field supply)
4
Wired controller
The volume of balance tank (8) should be greater than 40L. The drain valve (6) should be installed at the lowest positon
of the system. Pump_o (10) should be controlled by outdoor unit and connect to corresponding port in the outdoor unit
(refer to 9.7.8 Connection for other component/For outside circulatiom pump P_o).
Unit operation and space heating:
When a room thermostat is connected to the unit and when there is a heating request from the room thermostat, the unit will
start operating to achieve the target water flow temperature as set on the user interface. When the room temperature is above
the thermostat set point in the heating mode, the unit will stop operating. The circulation pump (1.7) and (10) will also stop
running. The room thermostat is used as a switch here.
92
EN
OMNIA M 3.2
Coding
5
Room thermostat (field supply)
6
Drain valve (field supply)
7
Fill valve (field supply)
8
Balance tank (field supply)
8.1
Air purge valve
8.2
Drain valve
9
Expansion vessel (field supply)
10
P_o: Outside circulation pump (field supply)
11
Collector I distributor (field supply)
FHL 1...n
Floor heating loop (field supply)
NOTE
Cod. 3QE47660 - Rev. 00 - 02/2022
22T÷30T
Assembly unit
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