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FACTORY MUTUAL REQUIREMENTS FOR PRE-ACTION
AND DELUGE SPRINKLER SYSTEMS
ARIES™ Fire Alarm/Suppression Control Unit applications that require Factory Mutual (FM)
Approval of pre-action and deluge sprinkler systems must conform to the following guidelines:
•
SmartOne® Thermal Detectors, Model THD-7252, must be installed at 20 ft. spacings. The
pre-alarm and alarm setpoint ranges are as follows:
–
Pre-Alarm: 80° to 155° F
–
Alarm: 135° to 155° F
•
The signaling line circuit must be configured for Style 6 wiring. Refer to Figure 2-14.
•
Provide 90 hours of standby battery and 10 minutes of alarm operation. Refer to Appendix
A.
•
Each release circuit is required to be configured for solenoid activation. The solenoid output
on-time period should be set to either "90 seconds" or "on until reset".
P/N 06-236530-001
Factory Mutual Requirements for Pre-Action
APPENDIX G
G-1
August 2013
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