Units 18-30 Kw: Application 4 - Immergas MAGIS M4-30 Use And Installation

7 UNITS 18 30 KW: APPLICATION 4.
Application with double setpoint function with two room thermostats, connected to the unit.
• Space heating with application of two room thermostats by means of oor heating and fan coils.
and the fan coils require di erent operating water temperatures.
• e oor heating circuits require a lower water temperature in heating mode than fan coils. A mixing kit is used to reach
these two set points to adapt the water temperature based on the requirements of the oor heating circuits.
are connected directly to the water circuit of the unit and the oor heating circuits are located a er the mixing kit.
mixing kit is controlled by the unit.
• e installer is in charge of operation and con guration of the water circuit on the eld.
• We only o er a double setpoint control function.
water temperature ( oor heating and/or fan coils are necessary). For further details, see Chap. 10.5 Settings on eld/
ROOM THERMOSTAT
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
4 Control panel
S20-1 Zone 1 room thermostat
S20-2 Zone 2 room thermostat
6 Discharge valve
1.6
2 3
6 7
1.4
Assembly unit
is function can generate two setpoints. Depending on the required
4
S20-1
S20-2
9
10
8.1
23.1
24
23.2
8.2
8
23
Code
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
17 Bypass valve
23 Mixing kit
23.1 P_c: Zone 2 pump
23.2 SV3: 3-way valve
24 Tw2: Zone 2 water ow temp.(optional)
FHL
Floor heating circuit
1... n
FCU
Fan coils
1... n
e oor heating circuits
A
11
FCU1 FCU2 FCUn
B
11
FHL1 FHL2 FHLn
Assembly unit
e fan coils
e
17