48
b. Air leaking into oil line causing fl ame out.
c. Defective nozzle causing fl ame to be erratic.
d. Excessive airfl ow or draft causing fl ame to leave
burner head.
e. Excessive back pressure causing fl ame to be
erratic.
3. Control locks out after Trial For Ignition (TFI).
a. No oil to burner.
b. Shorted electrodes.
c. Nozzle clogged.
d. Airfl ow too high.
e. Ignitor module defective.
f. CAD cell defective.
g. Oil valve stuck open or closed.
Note: The Safety Monitoring Circuit (SMC) is
designed to provide lockout in the event of a
stuck or welded motor relay.
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SECTION XII: REPAIR PARTS
All MPO Boiler Repair Parts may be obtained through your local Burnham Wholesale distributor. Should you require assistance
in locating a Burnham Distributor in your area, or have questions regarding the availability of Burnham products or repair parts,
please contact Burnham Customer Service at (717) 481-8400 or Fax (717) 481-8408.
Summary of Contents for MPO Series
Page 6: ...6 Figure 1 MPO 84 Thru MPO 231 Water Boiler ...
Page 22: ...22 Figure 13A Water Boiler Piping for Circulator Zoned Heating System Supply Side Circulator ...
Page 38: ...38 Figure 27 L1 L2 and V1 Head Electrode Positioning and Gun Setting Beckett AFG ...
Page 49: ...49 SERVICE RECORD DATE SERVICE PERFORMED ...
Page 50: ...50 Bare Boiler Assembly ...
Page 52: ...52 Bare Boiler Assembly ...
Page 54: ...54 Jacket Assembly ...
Page 56: ...56 MPO84 Thru MPO231 Water Boilers Trim and Controls ...
Page 58: ...58 Beckett AFG Burner ...
Page 61: ...61 Figure A2 LWCO Location ...