25
Installation Instructions
ENGLISH
To determine the combustion efciency
one must make the following measurements:
- measurement of the comb ustion air temperature
take n in the releva nt hole 2.
1
1
B
C
COAX IAL PIPES
SEPARATE PIPES
PIPES Ø 80 TY PE B22
Air
drop
Air
Air
Air
Air
prob e
prob e
prob e
drop
drop
2
2
3.11 - MEASUREMENT OF COMBUSTION EFFICIENCY DURING INSTALLATION
- measurement of the ue gas temperature and
content of CO
2
take n in the releva nt hole 1.
Tae 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
B y pressing the b utton ( D) for 3 seconds, the
calib ration function is activa ted. Release it when
the SERVICE sym b ol appears, Do not press it
for more than 9’’
This function is not activa ted if there is a b lock or
domestic hot water request.
2 MAX IMUM OUTPUT
B y turning the kn ob ( B ) onto MAX, the b oiler will
operate at maimum output:
- 3 illuminated sym b ols
4 DISABLING
The “ calib ration” function stay s activ e for 15 minutes.
To disab le the CALIBRATION function b efore the
time elapses, switch the b oiler on and off again.
3 MINIMUM OUTPUT
B y turning the kn ob ( B ) in position , the b oiler
will operate at minimum output:
- 2 illuminated sym b ols
- 1 ashing
x 3’’
service
The user is NOT authorised to activate
the function describ ed b elow .
M
I
N
service
MAX
I
N
service
A
ENGLISH
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ENGLISH
To determine the combustion efciency
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To determine the combustion efciency
one must make the following measurements:
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one must make the following measurements:
measurement of the comb ustion air temperature
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measurement of the comb ustion air temperature
take n in the releva nt hole
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take n in the releva nt hole
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OAX IAL
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OAX IAL
ITIONING
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ITIONING
PROBE
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PROBE
B y turning the kn ob ( B ) onto MAX, the b oiler will
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B y turning the kn ob ( B ) onto MAX, the b oiler will
ABLING
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ABLING
The “ calib ration” function stay s activ e for 15 minutes.
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The “ calib ration” function stay s activ e for 15 minutes.
To disab le the
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To disab le the
CALIBRATION
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CALIBRATION
time elapses, switch the b oiler on and off again
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time elapses, switch the b oiler on and off again
B y turning the kn ob ( B ) in position , the b oiler
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B y turning the kn ob ( B ) in position , the b oiler
will operate at
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will operate at
minimum output
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minimum output
- 2 illuminated sym b ols
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- 2 illuminated sym b ols
- 1 ashing
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- 1 ashing
The user is NOT authorised to activate
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The user is NOT authorised to activate
the function describ ed b elow .
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the function describ ed b elow .
service
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service
service
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service
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