Innova 3in1 5M Installer Manual page 23

The connection piping must be suitably supported so as
not to bear on the appliance with its weight.
Plants filled with antifreeze or special legal provisions re-
quire the use of hydraulic disconnectors.
Flush the plant thoroughly before connecting the unit.
This cleaning process removes any residue, such as weld-
ing drops, slag, rust or other fouling from the pipes. These
substances may otherwise settle inside and cause the ap-
pliance to malfunction.
Hydraulic lines and joints must be thermally insulated.
Insulate the water distribution piping with polyethylene
Hydraulic connection diagram
A
Boiler
B
Domestic hot water consumers
C
High temperature (radiator) utilities
D System utilities
1�
Expansion vessel 24 litres
2�
7-bar safety valve
3�
Thermostatic mixing valve (optional)
4�
High-temperature circulation pump P3 (optional)
5� System circulation pump P2
6�
Hydraulic separator
7�
Y filter
8�
Plate exchanger
9�
Automatic relief valve
A
1
B C
4
5
2
T1
3
6
15
20
17
18
T3
S2
19
foam or similar materials with a minimum thickness of 13
mm. Shut-off valves, elbows and various fittings must also
be adequately insulated.
Avoid partial insulation of the pipes.
Avoid over-tightening the pipes to avoid damage to the
insulation.
Carefully check that the insulation is tight, in order to pre-
vent the making and dripping of condensate.
Operating the unit without the water filter installed and
clean is forbidden.
10�
3-bar safety valve
11�
Collector with heating element (optional)
12�
P1 head pump circulation pump
13� 3-way valve
14�
Boiler relief valve
15�
Solar filling cock (optional)
16�
4 bar solar safety valve (optional)
17�
Pressure gauge (optional)
18� Solar circuit pump PSO (optional)
19�
Solar serpentine
20�
Domestic hot water stainless steel coil
21�
Outdoor unit
22�
Solar panel
D
9
10
8
11
12
7
13
1
16
INSTALLATION
21
T4
22
S1
23