40
7 COMMISSIONING
7.1 Preliminary operations
a
WARNING
– Should it be necessary to access the areas in the
bottom part of the appliance, make sure that the
system components and pipes are not hot (risk of
burning).
– Before replenishing the heating system, put on
protective gloves.
Before commissioning the appliance, check that:
– the type of gas is correct for the appliance
– the gas isolation valves for the heating system and the wa-
ter system are open
– the system pressure as shown on the pressure gauge when
the system is cold , is between
1 and 1.2 bar
– the pump impeller rotates freely
– the siphon has been filled
– the flue is fitted correctly.
7.2 Before commissioning
After having carried out the preliminary operations, proceed
as follows:
– set the main system switch to "ON"
ON
Fig. 48
– the type of gas for which the boiler has been calibrated,
"nG"
(methane) or
"LG"
(LPG,) will appear followed by the power.
Finally
"- -"
will appear on the display
– press the button
s
once for at least 1 second to select
"SUMMER mode"
l
. The value of the delivery sensor de-
tected at that moment will appear on the display
– press the button
s
once to select "WINTER mode"
n
. The
value of the heating water temperature detected at that mo-
ment will appear on the display
– operate the heating controls and check that the boiler starts
and operates correctly
– using the procedure shown in section "Chimney sweep
function"complete inlet working gas pressure test and a
flue gas analysis.
– record in Benchmark commissioning Check list (page 51).
7.3 Parameter setting and display
To go into the parameter menu:
– from the selected mode (eg. WINTER)
– press the buttons
<
and
o
(approximately 5 seconds) at the
same time until
"tS"
(installer) appears on the 2 digits of the
display which alternate with
"0.1"
(parameter number) and
a
"0"
(set value)
– press the button
>
to scroll up the list of parameters and
then
<
to scroll down the list
NOTE:
holding the buttons
>
or
<
increases the speed of the
scrolling movement.
– once the required parameter has been reached, press the
button
o
for approximately 3 seconds to confirm and ac-
cess the set value which will then flash and can then be
modified
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