- 10 -
USE
INSTRUCTIONS FOR USE
2
INSTRUCTIONS FOR USE
2.1 Warnings
Biasi Uk Ltd support the Benchmark initia-
tive. The Benchmark Checklist is located
at the back of this manual and should be
completed by the Installing/Commission-
ing Engineer and handed over to the User
for future reference by other visiting Engi-
neers. 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 sys-
tem.
All Gas Safe Registered Installers carry a
Gas Safe ID card, and have a registration
number. Both should be recorded in your
Benchmark Checklist. You can check your
Installer is registered by calling 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 responsible
service engineer before lighting up the boiler.
The tests are described in the installation in-
structions 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 indi-
cated on pressure gauge 4 is not lower than
that shown in Fig. 2.2.
If the pressure reading on the pressure gauge
is below that shown in Fig. 2.2, then the sys-
tem will require topping up. A filling loop is
normally provided by the Installer for this pur-
pose.
If you are in any doubt regarding this pro-
cedure you are advised to contact your In-
staller 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 freez-
ing
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 instructions
given in section "Extinguishing" to page 12.
2.2 Refilling procedure
• Isolate the boiler from the electrical supply
at the fused spur. Reconnect the filling loop
as demonstrated in Fig. 2.1.
Fig. 2.1
Control
valve
Double
check valve
Temporary
connection
Supply pipe
(cold water
inlet)
Control valve
C.h. return pipe
• Open the valves of the filling loop and watch
the gauge until it reaches normal filling pres-
sure as shown in Fig. 2.2.
Fig. 2.2
Normal
filling
pressure
4
• Close the valves and remove the filling loop.
If you experience any difficulty with the op-
