We have a few buildings each has the following shutdown key logics on the ventilation louvers:
To open the louvers: H2S Hi, and LEL Hi
To close the louvers: H2S Hi Hi, LEL Hi Hi and fire detection eye
Can anyone help on what are the reasons for such logic; is this because of the code requirement, company standard or industrial practice?
Thanks,
Henry
To open the louvers: H2S Hi, and LEL Hi
To close the louvers: H2S Hi Hi, LEL Hi Hi and fire detection eye
Can anyone help on what are the reasons for such logic; is this because of the code requirement, company standard or industrial practice?
Thanks,
Henry