Installation guide
Eclipse RatioMatic v3.10 - Installation Guide No. 110, 7/1/03
19
Step3: Ignite the burner
Ignition procedure:
Warning:
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.
Low fire start without high turndown option.
Procedure “A”, page 20
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.
Bypass start gas without fuel orifice meter
Procedure “C”, page 22
Main gas
shut-off
valvetrain
NC
NC
Bypass start gas with fuel orifice meter
Procedure “D”, page 23
Main gas
shut-off
valve train
NC
NC
Low fire start with high turndown option.
Procedure “B”, page 21
Main gas
shut-off
valve train
Note:
The RatioMatic burner with high turndown
option includes a ratio regulator with internal
bypass adjustment.
Ratio regulator
with bypass
adjusting screw