Wire-Free
Heat Sensor

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The model 5-5120 Analogue Addressable Heat Detector is bayonet-fitted to a radio address/transmitter module incorporating alkaline batteries and supplied with a surfacemount base unit. Removal of the detector or address/transmitter module will indicate a fault
condition. The detector is manufactured by Ziton limited and complies with BS5839 Part 5 and EN54 Part 5 (Class B) and part 8 (Class B).

The Heat Detector operates on a highly sensitive thermistor which measures the actual temperature and rate of rise change. At regular intervals, the detector carries out a self test that checks and verifies every function, including the thermistor, and sensitivity to temperature. Any failure is automatically reported to the control panel.

The detector incorporates a selectable automatic lock, which, if enabled locks it into its base when plugged in, preventing unauthorised removal. Each unit has a unique address
configured during manufacture and is individually addressable by the system controller.

The radio address module is programmed to report at regular intervals of 5 – 9 minutes. Designed and manufactured using the latest techniques and surface mount technology ensures component count is kept to a minimum, thereby maximising reliability.

The address/transmitter module is powered by a low-voltage dual supply alkaline battery pack.

The battery pack condition is continually monitored. The battery pack has been tested to provide 5 years life at normal site operations (10 - 30°C).

The system indicates remaining battery capacity and a low battery condition is indicated to the controller as a fault leaving
approximately 30 days for the battery pack to be changed.

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