EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000, Manual

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© 2015 Goodman Manufacturing Company, L.P.
LED Screens

This screen shows the real time outside air temperature at the location of the
outside air sensor. (OAS)

This value can be from the communicating HVAC system, or from a sensor
connected to the UT ‐ 3000.

If the OAS sensor fails or is disconnected, the UT ‐ 3000 will display the bad
sensor screen and will default to emergency mode.

If you do not want to use an OAS to stage the system, adjust/ disable the OAS
set ‐ point value down to the off position.
Outside Air Temperature