Eclipse Winnox WX Series Installation Manual page 19

Step 3: Optional: Ignite the Burner – Low fi r e start wi t h pi l o t start opti o n:
arning:
These procedures are 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.
Tap "E"
2
5
ow fire start with piloting option:
rive control motor to low fire.
1.
. e sure combustion air blower is running.
urn bias adjusting screw
.
complete (360°) turns counter-clockwise (up) from bottom.
pen manual shut off valve
.
ote:
Be sure main gas manual shut off valves are closed.
ith pressure taps open, connect manometer between tap “E” and the
.
chamber.
.
et system control to stay at low fire during and after ignition sequence.
ttempt to ignite burner by energizing spark and bypass gas solenoid
valves
uring trial for ignition, adjust bypass pressure regulator
.
limiting orifice
to achieve the appropriate
chamber as listed in the appropriate data sheet.
ote:
If viewing the flame, it should be blue with flashes of yellow. The flame should be
completely within the combustion tube. When firing propane or butane, a proper
low fire flame may have sustained flashes of yellow.
f burner does not ignite
ttempt to ignite burner again to purge air from the gas piping.
a
f burner still does not ignite, turn bias adjusting screw
clockwise to increase gas flow.
epeat until burner ignites. If necessary, refer to Chapter 5,
.
Maintenance and Troubleshooting in this manual, for help.
0
After ignition, verify bypass flame:
hut off gas. When chamber temperature is below 250°F (121°C),
shut off combustion air blower.
estart combustion air blower and ignite burner.
easure low fire gas pressure to the burner gas inlet
.
at is within the range specified on the Data Sheet for your burner.
erify repeatability of ignition and low fire flame signal.
.
.
Close all pressure taps.
clipse Winnox WX Series v1, Installation Guide No. 111, 8/26/05
igure 4.6 Low fire start
with pilot start option
1
Main gas
shut-off
valvetrain
6 NC NC
4
on ratio regulator spring column three
in the piloting system.
∆
P between tap “E” and the
3
nd djust ble
a half turn
V erify pressure
9