6
COMMISSIONING
6.1
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 pro-
tective gloves.
As a condition of the warranty and to ensure correct operation
and efficiency, it is important that the boiler is serviced every
12 months, within 30 days of the anniversary of the installa-
tion date ensure the required information is recorded in the Gas
Boiler System Service Interval Record (page 75) (Benchmark).
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 water
system are open
– the siphon has been filled.
6.2
Before commissioning
After having carried out the preliminary operations, follow the
procedure below, in order, to start the boiler:
– Set the main system switch to "ON"; after a few seconds, the
is shown on the display
"Main screen"
ON
– press the
Mode
select screen
– turn the
encoder to select a mode (e.g. "Summer")
– press the
encoder to confirm
click
Summer
Hot water
Holiday function
Esc
50
Zone
Thu 18 Set 2014
Off
1.1 bar
Menu
Mode
button to access the "Function mode"
Winter
Off
MAN 50°C
OFF
Back
– disconnect and reconnect the electrical power supply by set-
ting the main system switch to "OFF" and then to "ON"
NOTE:
this operation allows the user to access the boiler con-
trol panel (local).
– 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
– check that the system pressure as shown when the system is
cold , is between 1 and 1.2 bar
10:30
– press the button
"SUMMER mode"
tected at that moment will appear on the display
Fig. 99
6.2.1
Self-calibrating procedure
Carry out the "Automatic self-calibrating procedure" as fol-
lows:
– press button
maximum using the button
– press and hold down the buttons
approximately 10 seconds until the flashing symbols
n
appear on the display
Fig. 100
ON
OFF
y
once for at least 1 second to select
l
. the value of the delivery sensor de-
r
and set the DOMESTIC HOT WATER SET to
>
<
and
Fig. 101
>
at the same time for
l
and
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