Compressor will not activate blocking the cooling or heating of the Xenta 121-HP.
A compressor temperature lockout exists in the Xenta 121-HP application. The lockout has a minimum and maximum temperature the source signal must be between for the compressor to activate.
The source signal changes depending on whether the application uses a air source or a water source.
Air Source - nviOutdoorTemp
Water Source - nviSourceTemp
Ensure that the source temperature signal is between the compressor lockout minimum and maximum.