30
- If the boiler is installed in an existing system, any
u
nsuitable additives must be removed prior to the fitting
of the boiler;
-
Under no circumstances should the boiler be fired
before the system has been thoroughly flushed; the
flushing procedure must be in line with BS7593:1992.
Firstly fill the central heating system and boiler with the
p
ower off, flush through cold and completely drain the
s
ystem, fill the central heating system again, add a
flushing detergent, we highly recommend the use of a
flushing detergent appropriate for the metals used in
the circuit. These include (Fernox Superfloc,
BetzDearborn Sentinel X300 or X400), whose function
is to dissolve any foreign matter that may be in the
system, and run the boiler on central heating until it
reaches its operating temperature, flushand drain the
system completely, and refill the system with a suitable
corrosion inhibitor such as Fernox Copal MB-1, or
BetzDeaborn Sentinel X100 is recommended.
NO
TE
:FA
ILURE TO CARRY OUT THE FLUSHING PROCEDURE WILL
RESULT IN THE WARRANTY BECOMING VOID
.
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