22
SET BURNER FOR EFFICIENT OPERATION
BURNER SETTING
Use burner settings in the table on page 25, or operating decal, as a
guide to set the burner, particularly for nozzle changes.
These settings
are only starting points for the adjustments and are not meant as
final settings.
PUMP PRESSURE
Refer to the table on page 25 or operating decal.
AIR SETTING
Use air settings on page 25 as a guide to set air adjustment.
These
settings are only starting points for the adjustments and are not
meant as final settings.
DRAFT REGULATOR
The draft regulator should be installed at least 3 flue pipe diameters from
breeching or elbow of the furnace.
SAMPLING HOLE
On smoke/vent pipe, drill a 3/8” round opening. The hole should be at
least 2 flue pipe diameters from breeching or elbow of the boiler.
REAR FLUE BOILER ILLUSTRATION
DRAFT PRESSURE
Using an accurate draft meter; adjust the draft control to obtain -0.015”
w.c. draft pressure at the breech sampling hole. The draft regulator’s
adjustments should be made after boiler has been running under heating
mode for
at least
5 minutes or once steady state operation has been
achieved.
Summary of Contents for Cast Iron Boiler Series
Page 26: ...26 10 3 HYDROSTAT 3250 CONTROL Setting the control...
Page 27: ...27...
Page 30: ...30 12 0 EXPLODED PARTS VIEW...
