Niagara Div 23 09 Guide Specification - Honeywell

Accuracy: ±1 minute per month at 77° F (25° C). Power Failure Backup: 24 hours at 32° to 122° F (0° to 50° C). The controller shall have Significant Event Notification, Periodic Update capability, and Failure Detect when network inputs fail to be detected within their configurable time frame. ................
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