24
To determine the combustion efficiency
one must make the following measurements:
- measurement of the combustion air temperature
taken in the relevant hole
2
.
1
1
B
C
COAXIAL PIPEs
sEPARATE PIPEs
PIPEs Ø 80 TYPE B22
Air
drop
Air
Air
Air
Air
probe
probe
probe
drop
drop
2
2
3.11 - MEAsUREMENT OF COMBUsTION EFFICIENCY DURING INsTALLATION
- measurement of the flue gas temperature and
content of CO
2
taken in the relevant hole
1
.
Take the measurements with the generator in
steady state conditions (see par. 3.11.1).
ATTENTION!
Function reserved for Unical AG
s.p.A. Authorised Assistance Centres
only.
3.11.1- ACTIvATION OF THE CALIBRATION FUNCTION
3.11.2 - POsITIONING THE PROBEs
1
ACTIvATION
By pressing the button (
D
) for 3 seconds, the
calibration function is activated. Release it when
the SERVICE symbol appears,
Do not press it
for more than 9’’
This function is not activated if there is a block or
domestic hot water request.
2
MAXIMUM OUTPUT
By turning the knob (B) onto MAX, the boiler will
operate at
maximum output:
- 3 illuminated symbols
4
DIsABLING
The “calibration” function stays active for 15 minutes.
To disable the
CALIBRATION
function before the
time elapses, switch the boiler on and off again
.
3
MINIMUM OUTPUT
By turning the knob (B) in position , the boiler
will operate at
minimum output
:
- 2 illuminated symbols
- 1 flashing
x 3’’
service
The user is NOT authorised to activate
the function described below.
MAX
M
IN
service
MAX
M
IN
service
A
