Apollo XPA-CB-14027-APO XPander Multisensor Detector with Sounder VID Base White Flash
Apollo XPA-CB-14027-APO XPander Multisensor Detector with Sounder VID Base White FlashXPander sounders are ceiling mounted and use a bi-directional monitored radio platform to communicate.They feature 4 tone pairs including the Apollo tone and a self-test which causes a fault signal to be sent if the sounders fail to operate. The address of a sounder or a combined soundervisual indicator is set at the commissioning stage by means of a DIL switch.The sounder address is plus one of the address set. The sounders and combined soundervisual indicators are powered by two packs of batteries one with three AA and one with three C size alkaline batteries which provide a working life of typically 3-5 years.The five-year life includes weekly tests and a half-hour sounding in a fire condition. The Combined Sounders and Sounder Visual Indicators incorporate audible and visual alarm indicators within one unit.