DESCRIPTION OF COMPONENTS
5.
7
3
4
7
10*
15
14
13
19
20
21
22
17
18
25
26
28
27
29*
5
2
1
6
26
24
23
8
9
11
16
12
HYDRAULIC CIRCUIT
1 DHW Pump
2 DHW storage tank drain
3 DHW storage tank
4 System side expansion vessel (2lt)
5 DHW storage tank coil
6 Expansion membrane flange
(8lt) inserted inside the storage tank
domestic hot water DHW
7 Domestic hot water temperature probe
DHW
8 Plate heat exchangers
9 Differential pressure switch
10 Modulating 2-way valve/pump:
• Modulating 2-way valve for sheet or
well water applications
• Pump (ON-OFF / PHASE CUT-OFF
/ INVERTER) for geothermic applica-
tions
11 Water filter geothermic or sheet or
well water side
12 Domestic hot water side water filter
13 User side water filter
14 User side pump
15 Plate heat exchangers
16 Differential pressure switch
17 DHW side flow switch
18 Automatic air vent valve interrupted
19 Heat exchanger for the instantaneous
supply of domestic hot water
COOLING CIRCUIT
20 Compressor
21 High pressure transducer
22 High pressure pressure switch with
manual rearm
23 Cycle reversing valve
24 Bi-flow electronic valve
25 Low pressure transducer
26 Liquid indicator
27 Electric box
28 PGD0 control keyboard
29 Integrative electrical resistances
7