Page 45 of 92
Chapter: 4. Installation
Alert relay connections
Fig. 4.7 Power failure connections
Power failure relay
A relay is provided for interconnection to external alert systems. This relay is normally energized, and is
released by power failure/power o. The terminals have the following signicance:
Pin nr Name Description
J100 - 3 AL COM Common terminal.
J100 - 4 AL NO Normally open contact.
J100 - 5 AL NC Normally closed contact (normal = “No alarm” condition).
J100 - 12 OPTDC .
J100 - 13 OPTDE
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