5 | PIR Ready VT7200 Series-Installation Guide
4. (COS) Change over analog sensor: Used for hot / cold air / water change over
switching in 2 pipe systems.
Only used and valid if system is setup as 2.0. Parameter ( Out1Conf ) set as 2.0.
If temperature is > 77 °F = Hot air / water present
If temperature is < 75 °F = Cold air / water present
5. (SS) Supply air sensor monitoring: Used for supply air temperature
monitoring.
Only used for network reporting of the supply air temperature. Has no internal
function in the Terminal Equipment Controller.
MODEL CHART
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