Cleaning The Ultraviolet Flame Detector; Cleaning The Burner Sight Glass - Conair GasTrac User Manual

C
LEANING THE
U
LTRAVIOLET
F
LAME
D
ETECTOR
WARNING:
Hot surfaces
Allow the GasTrac
to cool before
removing the burn-
er guard to perform
maintenance
C
LEANING THE
B S
URNER
G
LASS
WARNING:
Hot surfaces
Allow the GasTrac
to cool before
removing the burn-
er guard to perform
maintenance
5-6
M
AINTENANCE
A dirty ultraviolet flame detector may fail to recognize burner
ignition, which will cause the GasTrac to alarm and shut down
automatically.
1
Stop the GasTrac.
Press the red
ton, then press the rock-
er switch to
2
Disconnect and lock out main power.
3
Remove the flame detector.
Loosen the mounting nut while hold-
ing the flame detector, then pull the
detector away from the viewing hole.
4
Clean the viewing hole lens.
Use a soft cloth or cotton swab
moistened with alcohol.
5
Replace the flame detector.
Align the detector over the
viewing hole, and thread the silver
mounting nut onto the coupling.
Hand tighten first. Then use a
wrench to tighten the nut an
additional quarter turn.
A dirty sight glass prohibits inspection or viewing of the
metal-ceramic burner during operation.
IGHT
1
Stop the GasTrac. Disconnect and lock out
main power.
2
Remove the screws on the
sight glass bracket.
3
Clean the sight glass.
Use a clean soft cloth or cotton swab
moistened with alcohol.
4
Coat the screw threads
a high-temperature anti-seize com-
pound.
5
Replace the sight glass.
Tighten the screws in the bracket
to hold the glass in place.
GasTrac Process Air Heater
235.0
but-
STOP OP1
OP2
250.0
SP2
REM
MAN
.
OFF
with
2216
RUN
HOLD
UGD014/0497