Page 19
User, Installations and Maintenance Manual
To use the equipment in both these configurations it is neces-
sary to set the parameter
P12 = 2
and
P16 = 2
(see par.8.1).
fig. 20
fig. 21
Legend (fig. 19, fig. 20 and fig. 21)
1
Cold water inlet
2
Solar coil outlet
3
Solar coil inlet
4
Recirculation
5
Hot water outlet
8
Solar thermal coil
10
Drain valve
16
Recirculating pump
(ON/OFF type)
17
Check valve
18
Automatic thermostatic
mixing device
19
Solar collector
20
Solar collector probe
(PT1000 not supplied*)
21
Solar collector shutter
22
DHW puffer
23
Solar coil probe
(not supplied)
24
Heat pump
25
Solar pump (ON/OFF
type)
26
Thermal cut-out (supplied)
for solar pump
A
Pit for solar probe and
thermal cut-out
* We advise to use solar collector probe PT1000 (available
on manufacturer’s accessories list)
6.7 Electrical connections
Before connecting the appliance to AC mains, a check must be
carried out on the electrical system to verify conformity to the
regulations in force and that the electrical system can suitably
withstand the water heater’s maximum power consumption val-
ues (refer paragraph 4.2 for technical characteristics), in terms
of the size of the cables and their conformity to the regulations
in force.
The appliance is supplied with a power cord with a Schuko plug
(fig. 23) and for the connection with AC mains is required:
•
a Schuko wall socket with ground and separate protection is
required (fig. 22);
•
an omnipolar 16 A circuit breaker with a contact opening of
at least 3 mm;
•
a 30 mA differential circuit breaker.
It is forbidden to use multiple outlet sockets, extension cables
or adaptors.
It is forbidden to use piping from the water, heating and gas
systems for earthing the appliance.
Prior to operating the machine, make sure that the electricity
mains voltage conforms to the value indicated on the appli-
ance’s data plate.
The manufacturer of the appliance shall not be held liable for
any damage caused by failure to earth the system or due to
anomalies in the electric power supply.
fig. 22 - Schuko socket
fig. 23 - Unit plug