PREFACE
Warning and caution references have been made in this manual and should be adhered to for smooth
operation of the burner.
Model designations are based on the type of fuel(s) to be fired and the amount of furnace pressure to
be overcome. Burner size is based on firing rate (rated input in Btu/hr).
S-Models for up to 1.5” W.C. furnace pressure.
P-Models for up to 4.0” W.C. furnace pressure.
Example: The model number on the nameplate is DLG-252, No. 2 oil and gas burner with input
rated at 25,200 MBtu per hour, against furnace pressures up to 4” W.C. at 60hz.
The installation of a burner shall be in accordance with the regulations of authorities having jurisdic-
tion. The equipment must be installed in accordance with applicable local, state, or provincial instal-
lation requirements including the National Electrical Code (NEC) and Associated Insurance
Underwriters. Where applicable, the Canadian Gas Association (CGA) B149 and Canadian Standard
Association (CSA) B140 and B139 (for oil burners) codes shall prevail. OIl and gas burning equip-
This symbol precedes information which, if disregarded, may result in injury to the user of the burner or
to others.
This symbol precedes information which, if disregarded, may result in damage to the burner.
NOTE: This symbol precedes information which is vital to the operation or maintenance of the burner.
Model Standards Fuel-Air Atomization
DG Gas
DL #2 Oil
DLG #2 Oil and Gas
DM #2-5 Oil
DMG #2-5 Oil and Gas
DE #2-6 Oil
DEG #2-6 Oil and Gas
NOTE: Firing at higher furnace pressures de-rates the burner by approximately 5% per one half inch of
additional pressure. Consult with the factory.
!
Warning
!
Caution
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