81
Pre-Programmed Modes
• Hazard Release: Steady
•
Default NAC code of Supervisory is 20 BPM.
11.14.4 How the Panel Works in Mode 14
•
Activation of any one among Z-1, Z-2, Z-3 or Z4 changes Hazard Area 1 state into
Alarm. Release Timer-1 is started. NAC-1 turns on steady. NAC-2 turns on Temporal if
the release timer is non-zero. Upon the expiration of Release Timer-1, both NAC-1 and
NAC-2 turns on steady. RAC-1 and RAC-2 are activated.
•
Activation of Z-5 can be indicated on NAC-2 at 20 BPM, if configured.
•
Activation of Z-6 turns NAC-1 and NAC-2 steady.
•
For the use of the system for pre-action, deluge releasing applications.
•
Acceptable, Approved solenoids for the MR-2320 are listed in
•
Secondary power supply must provide for minimum of 90 hours of standby
operation followed by 10 minutes of releasing and alarm operation. See
Appendix D: Power Supply and Battery Calculations (Selection Guide)
•
Minimum secondary supply voltage for this application is 21.1 VDC. In order to
maintain required operating voltage at the solenoid, wiring lengths must not be
as such as to exceed the maximum line resistance value of 1 Ohms at a
maximum load of 1A.
•
Initiating device circuits must be Class A for this application, thus necessitating
use of the MR-2300-A Class A Converter Module.
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Summary of Contents for MR-2320 Series
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