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HYDRAULIC CONNECTIONS
– The water supply distribution network pressure must
never exceeds 5 bar, otherwise a pressure reducer must
be installed on the system's intake.
– The system must be filled to less than 3 bar (recom-
mended pressure = 1.2 bar).
– The system must be airtight.
– The circuit filling pipes and the pipes reaching the heat-
ing/cooling and domestic hot water systems (where
present) must be correctly connected.
– The expansion vessel supplied must be pre-charged to
1 bar and must have an adequate capacity for the sys-
tem.
– The safety valves must be connected correctly to the
silicone pipes supplied.
– If an under-floor system is being installed, a safety de-
vice must be fitted on the heating delivery circuit.
ELECTRICAL CONNECTIONS
– The electrical connections must match the wiring dia-
grams appearing in the installer manual and must be
made correctly.
– The mains voltage and frequency must match the date
shown on the rating plate.
– The system must be properly sized for withstanding the
power draw of the installed units (see data plate).
– The mains power connection must be made using a
fixed mount and must include a two-pole switch.
– The earthing system must be correct and must be con-
nected first.
– The overcurrent protection devices, residual-current cir-
cuit breakers and thermal cut-outs leaving the electrical
enclosure must be installed correctly and in conformity
to all the applicable regulations.
– The residual-current devices and safety switches must
be correctly sized.
50 / EN
6.3
Initial start-up
a
To guarantee safety and correct operation of the
system interface, it must be commissioned by a
qualified technician in possession of the skills as
required by law.
6.3.1
Start-up procedure
– Insert the system interface on the connection slide
pushing it gently downwards. After a brief initialisation,
the device will be ready for being configured.
– The display screen shows "Select language". Select the
desired language by rotating the selector.
– Press the selector
– The display shows the "Date and Time". Turn the selec-
tor to select day, month and year. For each selection,
always press the selector to confirm. Once the date has
been set, the selection shifts to the time setting. Turn
the selector to set the exact time, press the selector to
confirm and move to the minute selection and setting.
Press the selector
– Once the date is set, the selection moves to the daylight
saving time setting. Turn the selector to select AUTO or
MANUAL. If you want the system to automatically up-
date the period when daylight saving time is in use, se-
lect AUTO.
– Press the selector
NOTE:
The display is set by default with a multi-level set-point time
schedule. If a message appears concerning the time schedule
conflict:
– On the home page press the "Menu" button
cess the user menu.
– Turn the selector
menu, then press the selector
– Turn the selector
the schedule programme", then press the selector
– Turn the selector
(Two-Level Set-Point or Multi-Level Set-Point) present
in the other User Interfaces (see technical parameter
0.4.3 on the boiler interface, if available) and press the
selector
.
– If there is still a conflict, repeat the procedure and use
the selector to choose the two-level set-point, then
press the selector
Commissioning
.
to confirm.
.
to select the "Advanced settings"
.
to select the "Type of service of
and select the same value
.
to ac-
.
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