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