Eclipse RatioAir v1 - Design Guide No. 115, 2/14/05
Ignition Gas Piping
RatioAirs are capable of ignition with either low fire or bypass
start gas.
Low Fire Start:
Main gas
shut-off
valve train
Bypass Start Gas (optional):
Main gas
shut-off
valve train
NC
Optional fuel orifice meter recommended.
NC
An optional fuel orifice meter connected in the start gas piping
can simplify start-up and adjustment. To start the burner at
the lowest possible gas input, select a fuel orifice meter for 5
to 10 w.c. pressure drop when the gas flow is at the burners
rated low fire.
15
Step 4:
Ignition System
(continued)
