Immergas 3.031483 Instruction And Warning Book page 21

HYDRAULIC DIAGRAM FOR THE CONNECTION OF THE TRIO PACK HYBRID WITH MIXED SECOND ZONE KIT
IN SOLAR OR DOMUS CONTAINER.
Key:
1 - Tank unit
2 - Outdoor Condensing Unit
3 - Plate heat exchanger
4 - System flow meter
5 - System circulator
6 - 3 bar safety valve
7 - System flow probe
8 - Safety thermostat
9 - 3-way Mixing valve (optional)
10 - Manifold draining valves
11 - Mixed zone flow probe (optional)
12 - Mixed zone pump / circulator (optional)
13 - Direct zone circulator
14 - One-way valve
15 - Inspectionable filter (optional)
16 - Inspectionable filter
17 - Antifreeze thermostat
18 - 8 bar safety valve
19 - Tank unit draining valve
20 - DHW vessel shut-off valve
21 - DHW 8 l expansion vessel
22 - Hydraulic manifold
22a - Manifold delivery sector
22b - Manifold return sector
23 - Filling valve
24 - Manual vent valve
25 - 3-way valve (Motorized)
26 - Automatic vent valve
27 - Boiler probe
28 - Boiler
AC - Domestic hot water outlet
AF - Domestic cold water inlet
MZ1 - Direct zone system delivery
RZ1 - Direct zone system return
MZ2 - Mixed zone system delivery
RZ2 - Mixed zone system return
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