Description
Model HZM | – Z is an intelligent device that connects a single zone of conventional initiating devices to an analog loop. Model HZM | – Z can power up to 15 two-wire ionization, photoelectric and thermal detectors (Siemens Models ‘OP121’ or ‘HI121’ for example). Model HZM | – Z can power one (1) beam detector (Model PBA1191) with no additional devices, and can also monitor listed alarm-causing shorting devices, such as: water-flow switches, mechanical heat detectors, manual stations, etc.