PVI FIREPOWER®
TWO STAGE B SERIES OIL BURNER ADJUSTMENTS
AIR ADJUSTMENT
First stage: Set the operating switch on low capacity. Loosen the screw (A) and move the damper arm (C) along the scale (E) to a position where the flame does not soot nor blow out. Tighten the screw.
Second stage: The operating switch remains on low capacity. Screw the knurled ring (B) by means of an adjustment pin in (reduce) or out (increase). The position of the damper can be read on the damper scale (E).
Check the air adjustments of the second stage by making a flue gas analysis.
Figure
ADJUSTMENT & REMOVAL OF NOZZLE ASSEMBLY
To adjust nozzle assembly (C), loosen screw
(D) and move the nozzle forward or retract by turning the adjustment screw (E). Line up the pointer on the locating block to the index position specified in Table
To remove the nozzle, remove the burner cover and disconnect the electrode cables. Separate the nozzle assembly from the fan housing by loosening the connecting pipe (F) and extracting the connecting pipe from the nozzle port. Then disconnect the 2nd stage oil line from the fitting located on the inside of the fan housing.
Figure
IGNITION ELECTRODE ADJUSTMENT
Check that the measurements between the nozzle, the ignition electrodes and the pressure plate correspond to Figure
Figure
7 | Section 22A |