Units 18-30 Kw: Application 5 - Immergas MAGIS M4-30 Use And Installation

UNITS 18 30 KW: APPLICATION 5.
Application with double setpoint function without room thermostat, connected to the outdoor unit.
• Heating is supplied by the oor heating circuits and the fan coils.
ferent 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 loops and/or fan coils are necessary), the rst or second setpoint can be activated. (Chap.
10.5 Settings on eld/Temp. Type Setting).
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
6 Discharge valve
7 Filling valve
1.6
2 3
6 7
1.4
Assembly unit
e oor heating circuits and the fan coils require dif-
is function can generate two setpoints. Depending on the required
4
9
10
8.1
23.1
24
23.2
8.2
23
8
Code
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
A
11
FCU1 FCU2 FCUn
B
11
FHL1 FHL2 FHLn
Assembly unit
e fan coils
e
17