MFC Series Boilers User Manual
CHAPTER 10 – MFC 8000/10000 DUAL FUEL BURNER
P
OMM-0104_94
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
107
of
170
GF-146
Ph.: 800-526-0288
12/29/2015
10.2 Burner Nozzle Setup
Recommended Nozzles
10.2.1
•
Fluidics Type N2 angle 45°
NOTE:
Intermediate flow rates may be obtained by choosing the nozzle with a nominal flow
rate slightly higher than that actually required.
Nozzle Assembly
10.2.2
In order to assemble the nozzle, proceed as follows:
Assembling the Nozzle
1. Fit the nozzle with the box spanner, fitting the spanner through the central hole in the flame
stability disk in Figure 10-2. Nozzles with no fuel shutoff needle must be fitted on the nozzle
holder.
2. To set the delivery range within which the nozzle must work, nozzle return line fuel pressure
must be adjusted according to section 4.9.1 of RLS 300 manual.
Figure 10-2: Nozzle Assembly
WARNING!
•
Do not use any sealing products such as gaskets, sealing compound, or tape.
•
Be careful to avoid damaging the nozzle sealing seat.
•
The nozzles must be screwed into place tightly, but carefully.
•
The nozzle for low fire operation is the one lying beneath the firing electrodes.
•
Make sure that the electrodes are positioned as shown in Figure 10-3, below.
