Units 4-16 Kw: Cascade System - Immergas MAGIS M4-30 Use And Installation

8.3 UNITS 4-16 KW: CASCADE SYSTEM.

Code Assembly unit
1.1 Master Unit
1.2... n Slave Unit
Control panel
2
3 Sv1: 3-way valve
4 Balance tank
4.1 Automatic air purge valve
4.2 Discharge valve
Tbt1: Upper temperature sensor
4.3
of balance tank (optional)
Tbt2: Lower temperature sensor
4.4
of balance tank (optional)
4.5 Filling valve
5 P_o: External circulation pump
6 P_s: Solar pump
• Domestic hot water heating.
Only the master unit (1.1) can function in DHW mode. T5S is set on the control panel (2). In DHW mode, SV1 (3) remains
ON. When the master unit runs in DHW mode, the slave units can operate in space cooling/heating mode.
Code Assembly unit
Tsolar: Solar temperature sensor
6.1
(optional)
6.2 Solar panel
7 P_d: Pump for DHW pipes
T5: DHW temperature sensor
8
(accessory)
9 Expansion vessel
11 Domestic hot water tank
TBH: Heater of DHW storage
11.1
tank
Coil 1, heat exchanger for heat
11.2
pump
Coil 2, heat exchanger for solar
11.3
energy
12 Filter (accessory)
14 Cut-off valve
17 Tap water inlet pipe
37
Code Assembly unit
18 Hot water cock
19 Manifold/distributor
20 Bypass valve
23 Mixing kit
23.1 SV3: Mixing valve
23.2 P_c: Zone 2 circulation pump
24 Automatic air purge valve
25 Water pressure gauge
Zone 2 water flow temperature
Tw2
sensor (optional)
RAD1...
Radiator
n
FHL
Floor heating circuit
1... n
The space works in cooling or
ZONE1
heating mode
The room only runs in cooling
ZONE2
mode