A.O. Smith Cyclone BFC-28, Installation, User And Service Manual

Page: 43 / 104

Instruction manual BFC 41
is
12. Then compare the measured CO
2
value against the value from the
table (3.4.3 "Gas data").
Caution
The CO
2
value at full load must be within ±1.0 vol% of the CO
2
value stated
in the table (3.4.3 "Gas data").
BFC 28 to 60
13. If necessary, adjust the CO
2
value using the adjuster screw until the value is
within the range listed in the table of CO
2
values.
Use the Allen key supplied for this. The key can be found in the plastic bag
that is attached to the appliance.
CO
2
adjustment (full load)
Note
Turning to the left (anticlockwise) means more gas (higher CO
2
level) and
turning to the right (clockwise) means less gas (lower CO
2
level).
Note
After conversion, you must check that the gas control valve is gastight.
14. If you have increased
Tset
, set it back to the original value using .
15. Continue with the CO
2
measurement under partial load.
BFC 80 to 120
16. If the measure value is within the range given in the table of CO
2
values:
- If you have increased
Tset
, set it back to the original value using .
- Continue with the CO
2
measurement under partial load.
17. If the measured value is not within the range of CO
2
values from the table,
then you may not start the appliance up:
-
Switch off the appliance.
- Turn off the gas supply to the appliance.
- Put the covers back on the appliance.
18. Contact the appliance's supplier.
IMD-1095b R0