Ch. 19. Air Temperature Controller Sec. 19.3. Hardware Setup
Itm Part # Item Description Qty Picture
3 113.407 Hose Fitting. 1
4 279.066 Hose Clamp. 1
5 409.002 AC power Cable. 1
6 449.025
ATC Control Cable.
1
7 448.088
Auxiliary Temperature Sensor.
1
8 290.118 5/64” Hex wrench. 1
19.3. Hardware Setup
19.3.1. Power requirements
The ATC has a fixed power input for use with either 100/120VAC or 220/240VAC. In all cases the power
should be single phase power where the mains supply has a load and neutral line in addition to an earth
ground.
During normal ATC operation the voltage on the load line is “chopped” with a circuit to supply pulses
of current to the heater coils in order to vary the amount of heat generated. The return path of the current
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