The unit can easily be controlled through the dry contact Gateway. Input signal: on/off, operation mode (heating/cooling), force off signal in the unit; Output signal: on status, operation mode (heating/cooling), error output; on/off cold plasma and on off ventilation; It’s applicable in hotel, etc. When the user pulls out the card or opens a window, the air conditioner turns off; insert again the card or close the window to resume previous operation status. This function is compatible with both high and low current access control interfaces. 72 DRY CONTACT BOARD ACCESS CONTROL 5 6 control systems
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