Power System Measurement - Honeywell ERX350 User Manual

0 = 4 D-Cell Alkaline Receptacle Pack, for ERX350 only (Default)
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1 = 2 D-Cell Lithium Sealed Pack, for ERX350 only
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2 = Dual 2 D-Cell Lithium Sealed Packs (connected in parallel), for ERX350 only
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2.7.3 Power System Measurement

The ERX350 power system voltage (Battery / External supply) is measured on a 10-minute interval. Three
consecutively low readings are required to trip the Low Voltage Alarm (Item 99) – to help guard against
falsely setting alarm due to a momentary supply glitch.
Honeywell
2023
2 ERX350 Installation
2.7 Power Supply Options
27