19
Figure 14
The fifth page of Analog Inputs shows the readings of the
liquid pressure and temperature. The liquid P2T is also
shown. The subcooling shown is a calculated value derived
from the P2T less the liquid temperature.
Figure 15
To return to the I/O STATUS screen, press the
Esc
key.
2.3.1.2.3 Digital Outputs (Binary) (Figures 16 and 17)
The Digital Outputs screen shows the state of the devices
turned on and off by the control system. The first page shows
the state of the first 4 relay outputs of the controller.
• The first line will show the status of Compressor 1 motor
starter, “On” and “Off”.
• The second line will show the status of Compressor 2
motor starter, “On” and “Off”.
• The third line will show the status of Compressor 3 motor
starter, “On” and “Off”.
• The fourth line will show the status of Compressor 4
motor starter, “On” and “Off”.
Desert Aire - CM3550 Manual
Summary of Contents for CM3550 Series
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