This system is not run by default. When in operation, it rings a bell (an alarm) whenever something gets read on the Slow Control. To start it, type the following command on ch3linux: alh /home/ssd/ssdTop/ssdApp/alh/ssd.alhConfig &
This command is actually aliased in ssdalarms. The ssd.alhConfig is the configuration file. The tool documentation is available here.
To operate the Cooling System:
it consists mainly in opening or closing the valve which control the pressurized air access to the Vortec which in turn suck air from the detector. Consult the following document pdf,