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

Page: 44 / 104

Installation
42 Instruction manual BFC
3
is
Partial load measurement
19. From the service menu, select:
-
SERVICE OPERATION
|
PARTIAL LOAD
- Confirm with .
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
2
meter and wait until this measured value has remained stable for some
time. This may take several minutes.
21. Compare the CO
2
value measured against the value measured under full
load.
Caution
The CO
2
value at partial load must be within ±0.3 vol% of the CO
2
value
measured or adjusted under full load.
22. If necessary, adjust the CO
2
value using the adjuster screw until the value is
within 0.3 vol% of the CO
2
value under full load.
BFC 28 t/m 60 - CO
2
adjustment (partial load)
SERVICE Ê Ê
PARTIAL LOAD 65ÉC
Tset 70ÉC
RUNNING
IMD-1095c R0