EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 Manual page 37

LED Screens
System Output Percentage

This screen displays the system output percentage (SYS) to the HVAC
equipment.

In the previous starting system cool demand output example, the UT‐3000 is
demanding 37% cooling capacity and 37% fan capacity. (1st stage cooling‐ Y1 is
active)

If the cooling target set‐point is not satisfied before reaching 51% SYS Output, Y2
will energize.
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