Unical KON R 18, Installation And Servicing Manual

Page: 58 / 72

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
1
A
B
C
COAXIAL PIPEs
sEPARATE PIPEs
PIPEs Ø 80 TYPE B23
Flue gas
probe
Air
probe
Air
probe
Flue
gas
probe
Air
probe
Air
probe
2
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 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’’ (par. 4.2) This function is not activat-
ed 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 min -
utes.
To disable the CALIBRATION function before the
time elapses, switch the boiler on and off again by
acting on the main switch
.
3 MINIMUM OUTPUT
By turning the knob (B) in position , the boiler
will operate at minimum output :
- 2 illuminated symbols
- 1 flashing
The user is NOT authorised to activate
the function described below.