6-1
UGD014/0497
GasTrac Process Air Heater
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Before beginning . . . . . . . . . . . .6-2
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A few words of caution . . . . . . .6-2
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When an alarm occurs . . . . . . . .6-3
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How to identify the cause
of an alarm . . . . . . . . . . . . . . . .6-3
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Temperature controller
alarms . . . . . . . . . . . . . . . . . . . .6-4
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Burner controller alarms . . . . . .6-7
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Variable speed controller
alarms . . . . . . . . . . . . . . . . . . .6-10
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Flue gas high temperature
limit switch . . . . . . . . . . . . . . .6-14
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Process high temperature
limit switch . . . . . . . . . . . . . . .6-15
T
ROUBLESHOOTING