Jog" Feature; Crankcase Heater (Cch) Control - Emerson CoreSense Technical Information

Figure 2

"Jog" feature

3.1
Figure 3
3.2

Crankcase heater (CCH) control

The sensor module contains an on-board CCH control relay. An auxiliary contactor is no longer required to turn the
heater on when the compressor turns off.
The appropriate voltage supply to the CCH power input terminals (115V/230V) is required.
Technical Information
The reset button below the control module may be used as an emergency shutdown,
such as for clearing liquid during a start-up. After the module re-boots (approximately
3 seconds) the compressor will run again. The reset button may be pushed as necessary
to stop the compressor.
Reset button
D7.21.2/1011/E
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