Units 18-30 Kw: Application 3 - Immergas MAGIS M4-30 Use And Installation

UNITS 18 30 KW: APPLICATION 3.
Application for space heating and cooling with a room thermostat suitable for switching heating/cooling when connected
to the unit. Heating is supplied by the oor heating circuits and the fan coils. Cooling is only carried out by the fan coils.
Domestic hot water is supplied by the domestic hot water storage tank connected to the unit.
20
1
1.3
1.5
1.6
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
4 Control panel
S20 Room thermostat
6 Discharge valve
7 Filling valve
8 Balance tank
8.1 Air purge valve
8.2 Discharge valve
9 Expansion vessel
NOTE
position of the system.
port of the unit (Chap. 9.6.7 Connection for other components/For the external circulation pump P_o).
21
18
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
12.1
9
8.1
10
19
8.2
8
Code
10 P_o: External circulation pump
11 Manifold/distributor
12 Domestic hot water tank
12.1 Air purge valve
12.2 Coil of heat exchanger
12.3 Booster heater
13 T5: DHW tank temperature sensor
14 Hot water cock
15 P_d: DHW pump
16 One-way valve
17 Bypass valve
18 SV1: 3-way valve
19 SV2: 3-way valve
20 Solar energy kit
21 P_s: Solar pump
FHL
Floor heating circuit
1... n
FCU
Fan coils
1... n
12
14
13
12.1
15
12.3
16
12.2
11
----
CVC 1 CVC 2 ---- CVC n
11
----
FHL1 FHL2 ----
Assembly unit
17
FHLn