12 TR80 - Installation and Operation Guide
1.5.1 LED Ring Behavior
The LED ring color changes according to the active HVAC mode in the controller.
The installer can configure the LED ring behavior as per the controller programing.
The LED ring color and indicated mode for typical application is as shown in below
table.
The LED ring is steady on when there is no active heating or cooling. When any
heating or cooling source is active (e.g. valves open), the LED ring will be in 'breath-
ing'. The breath frequency is related to active heating or cooling level.
LED ring color Description
Grey Heating and cooling not available
Blue System is in cooling Mode
Orange System in heating mode
Purple Both heating and cooling active
Green System in fan-only or off mode
Red Error condition
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