MFC Series Boilers User Manual
CHAPTER 7 – MFC 3000 GAS ONLY BURNER
Page
68
of
170
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0104_94
12/29/2015
Ph.: 800-526-0288
GF-146
7.5 Final Checks with Boiler in Operation
Perform the operations in the left column while the boiler is operating, and ensure the response
in the right column are the result.
FINAL CHECK PROCEDURE
DESIRED RESULT
Open the control limit operation.
Burner
Stops
Open the high limit operation.
Turn down maximum gas pressure switch knob to the minimum position.
Burner Stops
In Lockout
Turn up the air pressure switch knob to the maximum position.
Turn down the maximum oil pressure switch at minimum position.
Switch burner to OFF and disconnect the electrical power.
Burner Will
Not Start
Disconnect the minimum gas pressure switch.
Turn up the minimum low oil pressure switch to maximum position.
Cover the UV flame sensor.
Burner Stops In
Lockout Due To
Firing Failure
WARNING!
Ensure that all lockout and safety procedures concerning all controls and valves are strictly
observed.
