Webster SC Series Installation, Startup, Operation And Maintenance Manual page 15

Forced draft burners
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2. Air Atomized Oil Systems
Ball Valve
(man. set to adjust air
volume & high fire air
pressure)
Oil
Metering
Valve
Low Oil
Pressure
"MA" or "MS" - Modulating House Air or Steam
Ball or Gate
125 PSIG
Max.
Atomizing
Steam
Steam
Trap
Condensate
Return
SC Manual
Safety
Air Filter
Valve
Air
Chamber
Compressor
Pressure
Gauge
N.C.
Main Oil
Valve
Gauge
Ball or
Gate
Valve
300 lb.
Gauge
Steam
Pressure
Syphon
Reducing
Valve
Steam
Valve
Strainer
Ball or Gate
Valve
Drip Leg
Field Piped
"MA" - Modulating #2 Oil
Low
Air pipe same size
as discharge open-
Atomizing
ing in air chamber
Pressure
(field Piped)
Check
Valve
Safety
Oil
Ball
Valve
Valve
Relief
Valve
Compound
Gauge
Gauge
Metering Lever
Ball Valve Linked
to Mod. Motor
NOTE: House air does not use steam Syphon or Steam Trap
Page 15
Gauge
Oil
Flexible Metal Hoses or
Gauge
Copper Tubing
Check
Valve
Gate
Check
Valve
Valve
Strainer
Field Piped
Field Piped
Low Atomizing
Pressure Switch
N.C
Atomizing
Valve
Steam
Syphon
Nozzle
Return
to Tank
Oil
Suction
Gauge
Check
Valve
Steam
Syphon
Fuel Systems

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