Modulex EXT Commercial Series Boilers User Manual
CHAPTER 8: Maintenance Schedule
Page
122
of
144
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0095_0H
09/15/2017
Phone: 800-526-0288
GF-139
8.5 VISUAL INSPECTION OF THE FLAME
(2 and 4 year maintenance)
The burner must flame evenly over the entire surface when operating correctly. The flame must
burn with a clear, ORANGE, stable flame. Check the flame through the flame observation port
(Figure 8-2). The flame pattern should resemble the flame in the illustration below.
8.5.1 FLAME COLOR:
•
YELLOW
= CO
2
HIGH NOT SATISFACTORY
•
BLUE
= CO
2
LOW NOT SATISFACTORY
•
ORANGE
= OK
SATISFACTORY
Figure 8-2: Boiler Flame Observation Port Location
8.6 PROPER REASSEMBLY AND RESEALING OF THE VENT-AIR INTAKE
SYSTEM
After removing, inspecting, and possibly cleaning the flue pipes and air intake, replace the
piping correctly. Refer to AERCO’s MODULEX Venting Application Guide (GF-136-V) for
information concerning MODULEX venting requirements.
FLAME OBSERVATION
PORT
IGNITER CABLE
FLAME DETECTOR