Instructions For Use; Warnings; Refilling Procedure - Biasi Advance Plus 25C ERP User Manual And Installation Instructions

Wall hung, fanflue, roomsealed, high efficiency gas boiler
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2

INSTRUCTIONS FOR USE

2.1

Warnings

Biasi UK Ltd support the Benchmark
initiative. The Benchmark Checklist is
located at the back of this manual and
should be completed by the Installing/
Commissioning Engineer and handed
over to the User for future reference by
other visiting Engineers.
Also included is the Service Interval Re-
cord card that should be completed by
the Service Engineer following the an-
nual service maintenance of the boiler
and system.
All Gas Safe Registered Installers carry
a Gas Safe ID card, and have a registra-
tion number. Both should be recorded
in your Benchmark Checklist. You can
check your Installer is registered by call-
ing Gas Safe direct on 0800 408 5500,
or go on line at www.GasSafeRegister.
co.uk.
In order to guarantee safety and correct op-
eration, it is essential that all the tests are
carried out by a competent and responsi-
ble service engineer before lighting up the
boiler.
The tests are described in the installation
instructions in section 7 commissioning.
Ensure that the c.h. circuit is regularly filled
with water (even if the boiler is only used for
d.h.w. supply).
In order to activate, press keys 14 and 16
together to access the "INFO" menu. The
display displays the value "d0" that alter-
nates with the pressure value "13" (1,3 bar).
The number indicating the pressure, is dis-
played without decimal points while the let-
ter indicates the unit of measure (bar) Fig.
2.2.
If the pressure reading on the pressure
gauge is below that shown in Fig. 2.2, then
the system will require topping up. A filling
loop is normally provided by the Installer for
- 12 -
INSTRUCTIONS FOR USE
this purpose.
If you are in any doubt regarding this
procedure you are advised to contact
your Installer or an Approved Engineer.
This appliance is provided with a built in
anti-freeze system that operates the boiler
when the temperature is below 5 °C.
Therefore, when the boiler is not lit or used
in cold weather, with consequent risk of
freezing do not switch off the boiler at the
fused spur isolation switch or close the gas
inlet cock.
When you do not expect to use the boiler
for a long period and the boiler is not to be
used for frost protection then follow the in-
structions given in section "Extinguishing"
to page 17.
2.2

Refilling procedure

• Isolate the boiler from the electrical sup-
ply at the fused spur. Reconnect the filling
loop as demonstrated in Fig. 2.1.
Supply pipe
(cold water
inlet)
C.h. return pipe
Fig. 2.1
• Open the valves of the filling loop and
watch the display until it reaches normal
filling pressure as shown in Fig. 2.2.
Control
valve
Double
check valve
Temporary
connection
Control valve

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