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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
Record card that should be completed
by the Service Engineer following the
annual 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) checking that the pressure
indicated on the bottom part of the display
Fig. 2.2.
- 14 -
INSTRUCTIONS FOR USE
In the case of incorrect pressure the value is
visualised with a
flashing symbol (Fig. 2.2).
high pressure: > 2.8 bar ON, 2.6 bar
OFF;
intermediate pressure:
0.15 < P < Pon rising
0.15 < P < (Pon-0.2) decreasing;
critical pressure (too low): 0.00 < P < 0.15
bar
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 20.
Refilling procedure
2.2
• Isolate the boiler from the electrical sup-
ply at the fused spur. Reconnect the filling
loop as demonstrated in Fig. 2.1.
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