Gas-Fired Products PTU Series Electric Heater User Manual


 
Form #43343330
May 08 –45–
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Check the inlet pressure
to the gas vaIve. Is it
between minimum and
maximum for the gas
type?
Adjust supply gas
pressure. Restart
troubleshooting.
Check the manifold
gas pressure during
start up. Is it zero
inches?
Replace gas valve
After an initial step
opening is the manifold
gas pressure correct?
Adjust manifold gas
pressure. Restart
troubleshooting.
Check electrode spark
gap. Is it 1/8”?
Adjust spark gap
carefully. Restart
troubleshooting
Turn off gas and check
for spark. Is there a
spark to the throat o
the burnercup?
Call Space-Ray for
assistance.
Is there a spark to the
side of the burner
cup?
Remove spark
electrode and inspect,
is the ceramic cracked
or loose?
Replace electrode
Remove burner
casting and check the
orifice. Is it clean and
free from blockage?
Remove blockage.
Restart troubleshooting
Are the terminals tight
on the electrode and
igntion module?
Check the terminal at
the electrode does it
arc to the burner
casting?
Remove and re-insert
electrode. If it still
sparks to the side.
Replace electrode.
Carefully bend the
terminal away from the
casting. Restart
troubleshooting.
Replace ignition cable.
If problems persist call
Space-Ray for
assistance.
Replace ignition
module.
Is the LED on the
ignition module steady
on?
Check nameplate are
the gas type, orifice and
airplates correct for the
stated burner
specification?
Call Space-Ray for
replacement parts.
Has all the air been
purged from the gas
supply lines?
Purge the gas supply
lines?
tighten terminals.
Restart troubleshooting
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Troubleshooting
continued from previous
page.