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The SC burner can be equipped with a wide range of fuel and operating systems to control the fuel, air, modulation
and pilots. This section describes how these systems operate. Burner start-up is expected to be done by service per-
sonnel who are qualified in the basics of mechanical know-how. The following illustrations and information is supplied
to identify the various fuel; air and ignition devices that have Adjustment Features. All adjustments can be done with
common place tools normally carried by burner and boiler service personnel.
Refer to the bulletins included in the manufacturer's data section of the burner instructions manual for items below.
1. Pressure atomized oil systems
"MP" - Modulating Simplex Nozzle
Return to Tank,
(No Manual
Valves in this
Line)
Suction
Supply Line
Field Piped
"MR" - Modulating Return
Flow Nozzles
Shutoff
Suction
Supply Line
By Others
(Unless Specified in Order)
Return to Tank
(No Manual
Valves in this Line
Field Piped
SC Manual
F. FUEL SYSTEMS
Oil Metering
Valve
1
Check
Valve
By Others
Check
Shutoff
Valve
Valve
By Others
(Unless Specified on Order)
Back Pressure
Reg. Valve
1
Check
Valve
Valve
Strainer
1
Check
Valve
NOTE
2
Low Oil
Pressure Switch
Solenoid Valve
1
Gauge Port
Adjustment
Oil Pump
1
Strainer
2
Low Oil
Pressure
Press. Sw
Main Oil
Gauge
.
Solenoid Valve
1
Gauge Port
Oil Pump
Oil Metering
Check
Valve
Valve
Page 14
Main Oil
Safety Oil
Solenoid Valve
Notes & Options
1
These Lines are Field
Piped if a Remote Pump
is Used
Usage Requirement
2
Varies with Code
Safety Oil
Solenoid Valve
Inline
Check
Valve
Notes & Options
These Lines are
1
Field Piped if a
Pressure
Remote Pump is
Gauge
Used
Required Above 20
2
GPH if a Remote
Pump is Used
Oil Nozzle
Oil Nozzle
(Bypassing)
Fuel Systems
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