Page 18 Initial SettingsSC Manual
G. INITIAL SETTINGS
The burner will be set at the factory for normal initial settings. These are only rough settings that must be adjusted at
startup to match the furnace, fuel pressure and environment of the specic application. These general settings are
covered in this chapter as a means of checking the burner or readjusting the burner if the settings are lost. Presets
can change during shipping.
COMBUSTION AIR CONTROL
Panel
Adjusting
Screw
Air Proving
Switch
Air Flow Interlocking Switch
1. OIL NOZZLE POSITION
The oil nozzle will be adjusted at start-up and may be
moved in or out from this initial setting.
2. AIR PROVING SWITCH
The air proving switch has been adjusted at the
factory for an initial setting. If the switch trips during
initial start-up, turn the adjustment screw CCW two
full turns to reduce the trip pressure setting.
CAUTION
ACTUATOR MOUNTINGS CAN BE BENT OR MOVED DURING SHIPMENT AND
INSTALLATION. THEY MUST BE CHECKED PRIOR TO OPERATION AND ANY FAULTS
CORRECTED. FAILURE TO CORRECT A MISALIGNED CONTROL WILL RESULT IN
PREMATURE FAILURE.
FM Modulation Gas Piping Diagram - Over 12,500 MBH Firing Rate
722172
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