Checks; Chimney Sweep Function - Sime Brava Slim HE 25 T Manual De Instalación Y Mantenimiento

3.7

Checks

3.7.1

Chimney sweep function

The chimney sweep function is used by the qualified main-
tenance technician to check the mains gas pressure, detect
the combustion parameters and to measure the combustion
efficiency required by legislation in force.
This function lasts 15 minutes and is activated by proceeding
as follows:
– if the panel (2) has not already been removed, remove the
two screws (1), pull the front panel (2) forwards and release
it from the top by lifting it
2
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
4
b
3
– close the gas valve
– loosen the screw of the "mains pressure" point (6) and con-
nect a pressure gauge
80
1
Fig. 33
a 5
Fig. 34
– open the gas valve
– power the boiler by setting the main switch to "ON"
ON
– press the button y until "SUMMER" mode
selected
– press and hold down the buttons
for approximately 5 seconds until the message "Hi" appears
on the display together with the flashing symbols
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 com-
bustion 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
EN
6
Fig. 35
Fig. 36
l has been
< and > at the same time
l and
and
l n