A.O. Smith BFC Cyclone 28 Installation, User And Service Manual page 72

n
72
BFC 28 to 60
13. If necessary, adjust the CO
the range listed in the table of CO
Use the Allen key supplied for this. The key can be found in the plastic bag that is
attached to the appliance.
Fig. CO adjustment (full load)
2
Note
Turning to the left (anticlockwise) means more gas (higher CO
right (clockwise) means less gas (lower CO
Note
Note
After conversion, you must check that the gas control valve is gastight.
14.
If you have increased T
15. Continue with the CO
BFC 80 to 120
16. If the measure value is within the range given in the table of CO
-
If you have increased T
- Continue with the CO
17. If the measured value is not within the range of CO
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.
Partial load measurement
19. From the service menu, select:
- SERVICE OPERATION | PARTIAL LOAD
- Confirm with [ENTER].
The appliance is now in PARTIAL LOAD mode and will ignite
20. The appliance is now running at PARTIAL LOAD. Read the value from the CO
and wait until this measured value has remained stable for some time. This may take
several minutes.
value using the adjuster screw until the value is within
2
values.
2
IMD-1095b R0
level).
2
, set it back to the original value using [ ].
set
measurement under partial load.
2
, set it back to the original value using [ ].
set
measurement under partial load.
2
Installation, Maintenance and Service part
level) and turning to the
2
values:
2
values from the table, then you
2
2
meter