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SECTION
4
4
Operation
Operation
The HTC process air heater: control
panel DC . . . . . . . . . . . . . . . . . . . . . . 4-2
HTC DC control functions . . . . . . . . . . . . . . 4-3
Control function flow charts . . . . . . . . . . . . 4-3
Control function descriptions . . . . . . . . . . . 4-6
HTC DC control alarms . . . . . . . . . . . . . . . 4-19
Initial operation (for HAD only) . . . . . . . . . 4-20
Initial operation (for Carousel Plus
dryer HTC) . . . . . . . . . . . . . . . . . . . . 4-21
Autotuning . . . . . . . . . . . . . . . . . . . . . . . 4-22
Normal operation to start heating. . . . . . . . 4-24
Normal operation to stop heating . . . . . . . . 4-25
Operation l 4-1