CLEAN BURN CB 140, Руководство оператора

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Operator's Manual: Models CB-1750, CB-2500 & CB-3250
8-4
Figure 8C - Proper Draft vs. Backdraft
DR
AFT M OR E
LE SS
BA
CKDR
AFT
BACKDRAFT CREATED
BY EXHAUST FAN
TO BURNER
COMBUSTION AIR
DRAFT OVERFIRE OF -.02 TO -.04 W.C.
MEANS COMBUSTION GASES
ARE FLOWING AWAY FROM THE
FLUES AND UP THE STACK
BURNER,THROUGH THE FURNACE
The Smar
t Use F
or U sed Oil
DR
AF T M OR E
LE SS
The Smar
t Use F
or U sed Oil
I88452-C
BAROMETRIC DAMPER
DRAFT AT STACK
SERVICEMAN ADJUST
Service Personnel
Special Note to
TO OBTAIN -.04 TO -.06 W.C.
Corresponding Draft Over Fire
measurement should be -.02 to -.04 WC
To arrive at proper
draft measurements
be sure that all fans
within the building
are running while
adjusting the draft
to final levels!
BACKDRAFT
EXHUST FAN CREATES BACKDRAFT IN STACK
AND SUCKS COMBUSTION GASES DOWN THE
STACK AND BACK INTO THE FURNACE
OIL SPRAY AND HEAT IS FORCED
BACK AGAINST THE BURNER AND
RESULTS IN OIL FOULED ELECTRODES
AND RETENTION HEAD.
SEVERE BACKDRAFT WILL HEAT AND
DAMAGE THE CAD CELL AND THE
TRANSFORMER.
PROPER DRAFT
RISING HOT
COMBUSTION
GASES PRODUCE
PROPER DRAFT