30
EN
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 water
system are open
– the pump impeller rotates freely.
7.2
Before commissioning
After having carried out the preliminary operations, perform the
following to start the boiler:
– set the main system switch to "ON"
ON
Fig. 39
– the type of gas for which the boiler has been calibrated,
"nG"
(methane) or
"LG"
(LPG,) will appear followed by the power. After
this the correct representation of the symbols will be checked
and finally
"- -"
will appear on the display
– check that the system pressure as shown on the pressure gauge
when the system is cold , is between
1 and 1.2 bar
– press the button
y
once for at least 1 second to select
"SUMMER mode"
l
. the value of the delivery sensor detected
at that moment will appear on the display
– open one or more than one hot water tap. The boiler will work at
maximum power until the taps are closed.
– if there is a fault, the message
"ALL"
will appear on the display,
the fault code (eg.
"06"
- no flame detected) and the message
d
.
m
CAUTION
To restore the start conditions press and hold the button
y
for more than 3 seconds. This operation can be
carried out no more than 6 times.
– close the taps opened previously and check that the appliance
shuts down
– press the button
Y
once for at least 1 second to select "WINTER
mode"
n
. The value of the heating water temperature detected
at that moment will appear on the display
– adjust the air thermostat and check that the boiler starts and
operates correctly
– to check that the pressure in the network and the nozzles are
correct, the procedure described in section must be carried out
7.3
Parameter setting and display
To go into the parameter menu:
– from the selected mode (eg. WINTER)
– press the buttons
r
and
t
(for approximately 5 seconds) at the
same time until
"PAR 01"
(parameter number) and the value set
(0÷4) appears on the display
