PVI FIREPOWER®
TROUBLESHOOTING SUGGESTIONS
OIL BURNER (con't)
6.OIL HIGH FIRE INPUT RATE CANNOT BE ACHIEVED:
A.Oil nozzle size too small. Remove nozzle and check marking. Replace with correct size nozzle.
B.Nozzle defective. Replace. Nozzle mesh filter (if supplied) dirty. Clean or replace.
C.Oil supply pressure to nozzle too low. Readjust.
D.Oil pump defective. Replace.
E.Oil pump coupling loose (slipping) or defective. Replace.
F.Linkage mechanically binding. Readjust.
G.On modulating burner, oil nozzle return line metering valve set incorrectly. Readjust to attain required nozzle bypass pressure.
H. Oil suction line too small or partially blocked. Make vacuum test while at high fire. The vacuum should not exceed
I.Blocked or dirty suction line oil filter. Replace or clean.
J.Manual valves in suction line not fully open. Check and correct.
K.Suction line check valve or foot valve operating incorrectly. Check and correct.
L.Vent system on oil tank blocked, creating vacuum on tank with high vacuum and lowered oil flow to burner. Check and correct.
Additional troubleshooting information can be found in the Flame Safeguard bulletin supplied with the burner.
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