14
Eclipse RatioMatic Burners, RM Series, V5, Installation Guide 110, 12/3/2014
Figure 4.5. Air Butterfly Valve Shaft
NOTE: Steps 3-5 RM0050-RM0700 Only (see page 20 for
RM1000-RM3000)
Step 3: Ignite the Burner (RM0050-RM0700
only)
■ This procedure is written with the assumption the
burner has a flame monitoring control system
installed and operating. A proper purge cycle must
be part of the system and purge timing should not
be bypassed.
Determine system layout and use the applicable ignition
procedure.
Figure 4.6.
BV shaft shown in
closed position
WARNING
Main gas
shut-o
valve train
NC
NC
Main gas
shut-o
valve train
NC
NC
Low fire start without high turndown option Procedure “A”.
Main gas
shut-off
valve train
NOTE: The ratio regulator is factory set. Use Procedure “A”
only if burner does not ignite or requires further adjustment.
Main gas
shut-off
valve train
Low fire start with high turndown option Procedure “B”.
Ratio regulator
with bypass
adjusting screw
NOTE: The RatioMatic burner with high turn down option
includes a ratio regulator with internal bypass adjustment.
Bypass start gas without fuel orifice meter Procedure “C”.
Bypass start gas with fuel orifice meter Procedure “D”.
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