Eclipse RatioAir v1 - Installation Guide No. 115, 4/7/06
1
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
Bypass start gas
without
fuel orifice meter
Procedure “C”, page 22
Bypass start gas
with
fuel orifice meter
Procedure “D”, page 23
Low fire start
with
high turndown option.
Procedure “B”, page 21
Note:
The ratio regulator is factory set. Use Procedure
“A” only if burner does not ignite or requires
further adjustment.
Note:
The RatioAir burner with high turndown
option includes a ratio regulator with internal
bypass adjustment.
Main gas
shut-off
valve train
Main gas
shut-off
valve train
Ratio regulator
with bypass
adjusting screw
Main gas
shut-off
valve train
NC
NC
Main gas
shut-off
valve train
NC
NC
