Ferroli MODENA S HE Instructions For Use, Installation And Maintenance page 25

MODENA S HE
Re-check the Minimum Rate
Turn off the boiler and then turn it back on and put in Test Mode at maximum for 1minute. Reduce to mini-
mum and re-check
the CO/CO ratio is within limits.
2
In the event that the CO
helpline number.
Should you require any assistance during the set up procedure call our Technical service helpline or should you
require a service engineer to visit call our service centre at numbers listed on last page of this manual.
fig. 31 - Gas valve
EN
the minimum rate output ensuring the CO2 setting level has remained unchanged and confirm that
setting level with an acceptable CO/CO
2
cod. 3541C364 - Rev. 00 - 12/2012
ratio cannot be obtained please contact the
2
A Throttle
B Offset adjustment
NOTE: In the event that an acceptable setting level
cannot be obtained it will be necessary to change the
Air/Gas Ratio Valve.
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