87
EN
– press the button
y
for at least 1 second until "SUMMER"
mode
l
has been selected
– press and hold down the buttons
<
and
>
at the same time
for approximately 10 seconds until the message “Hi” appears
on the display together with the flashing symbols
l
and
n
– press the button
>
to make the boiler operate at maximum
power "Hi" and check that the mains gas pressure value on the
pressure gauge is correct. Take a reading of the combustion
data and measure the combustion efficiency.
– press the button
<
to make the boiler operate at minimum
power "Lo". The message
"Lo"
will appear on the display
together with the flashing symbols
l
and
n
– take the combustion data reading
– press the button
y
to exit the "Chimney sweeper
Procedure”. The boiler water delivery temperature will
appear on the display
– disconnect the pressure gauge, carefully close the pressure
point (6), put the control panel back to the original position
and refit the front panel (2).
Gas supply pressure
Type of gas
G20
G31
Pressure (mbar)
20
37
3.7
Domestic hot water comfort function
(preheating)
Brava Slim HE ErP
models have a "domestic hot water comfort"
function which ensures the best performance in terms of
domestic hot water, reducing the time necessary for the hot
water to become available and ensuring that the temperature
is stable.
To activate the function:
– select parameter
"PAR 22"
a 1
– exit parameter settings and press button
>
for approximately
5 seconds until the symbol
r
appears on the display and
begins to flash indicating that the function has been activated.
To deactivate the function:
– press button
>
again for approximately 5 seconds until the
symbols
r
and
R
appear on the display and begin to flash
indicating that the function has been deactivated.
3.8
Gas conversion
Brava Slim HE ErP
models can work with G20 or G31 without
the need for any mechanical conversion. Simply select
parameter
"PAR 03"
(see "Parameter setting and display") and
set the type of gas to be used.
If changing the type of gas to be used, carry out the entire
appliance
"COMMISSIONING"
phase.
m
CAUTION
Conversion may ONLY be carried out by Professionally
Qualified Personnel.
m
CAUTION
If the gas supply is changed from G20 to G31, mark the
box on the TECHNICAL DATA PLATE.
X
G31 - 37 mbar
Summary of Contents for Brava One HE 40 ErP
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