Units 18-30 Kw: Application 1 - Immergas MAGIS M4-30 Use And Installation

8.4 UNITS 18 30 KW: APPLICATION 1.
Space heating with a room thermostat connected to the unit.
1
1.3
1.5
1.7
1.2
1.1
1 Heat pump
1.1 Pressure gauge
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-shaped lter
3 Shut-o valve
Control panel
4
NOTE
tion of the water system.
port of the unit (Chap. 9.7.6 Connection for other components/For the external circulation pump P_o.
When a room thermostat is connected to the unit and there is a heating demand by the room thermostat, the unit will start
to run to reach the nominal ow temperature of the water set on the control panel. When the room temperature is higher
than the setpoint of the thermostat in heating mode, the unit switches o .
Here the room thermostat is used as a switch.
NOTE
in Chap. 9.7.6 Connection for other components). See Chap. 10.5.6 "Room thermostat" for the setting).
1.6
2 3
6 7
1.4
Assembly unit
e pump P_o (10) must be controlled by the heat pump and connected to the corresponding
4
S20-1
9
8.1
10
8.2
8
FHL1
Code
S20-1 Room thermostat
6 Discharge valve
7 Filling valve
8 Balance tank
8.1 Air purge valve
8.2 Discharge valve
9 Expansion vessel
10 P_o: External circulation pump
11 Manifold/distributor
FHL
Floor heating circuit
1... n
e circulation pump (1.7) and (10) also stops.
11
----
FHL2 ---- FHLn
Assembly unit
-
"