31
9 COMMISSIONING
9.1
Preliminary operations
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
– the siphon has been filled
– the flue is fitted correctly.
9.2
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. 40
– 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
(100
and 120 kPa)
– press the button
y
twice to select "WINTER mode"
n
.
the value of the delivery sensor detected at that moment will
appear on the display
9.2.1
Self-calibrating procedure
Carry out the "Automatic self-calibrating procedure" as follows:
– press and hold down the buttons
<
and
>
at the same time for
approximately 12 seconds until the flashing symbols
l
and
n
appear on the display
– as soon as the symbols begin to flash, release the buttons
<
and
>
and press the button
y
,
within 3 seconds
– the "Automatic self-calibrating procedure" starts
–
ensure that the system isolation valves are open
adjust the room thermostat to request status, at a high value
– the values flash on the display:
“100”
(maximum value),
followed by an "intermediate value" and finally
“00”
(minimum
value)
The operator must wait for approximately 15 minutes for the
"self-calibrating procedure" to end and the message "WINTER
mode"
n
to reappear on the display.
Once the procedure has terminated:
– stop the heating request by adjusting the room thermostat.
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 performed up to a maximum of 6 times without
the "self-calibrating procedure" being interrupted.
– adjust the air thermostat and check that the boiler starts and
operates correctly
– carry out the procedure "
Chimney sweeper function
",
to check the mains gas pressure, detect the combustion
parameters and to measure the combustion efficiency
required by legislation in force.
Summary of Contents for Brava Slim HE 20 R i
Page 4: ...4 ...
Page 42: ...42 12 EXPLODED VIEWS Brava Slim HE 20 R i Brava Slim HE 40 R i ...
Page 43: ...43 Brava Slim HE 20 R e Brava Slim HE 40 R e ...
Page 44: ...44 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...
Page 45: ...45 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...
Page 46: ...46 Brava Slim HE 20 R i Brava Slim HE 20 R e Brava Slim HE 40 R i Brava Slim HE 40 R e ...
Page 55: ...55 ...
