What are Releasing Zones?
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AFC-600 Programming PN 51032:A 3/8/99 45
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WARNING:
When used for CO2 releasing applications, observe proper precautions as
stated in NFPA 12. Do not enter the protected space unless physical lockout and other
safety procedures are fully completed. Do not use software disable functions in the
panel as lockout.
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The control panel includes ten Releasing Zones (R0-R9) that you can use to control up
to ten releasing operations. Each Releasing Zone operates independently, and is fully
programmable. From the Special Function Change Screen (Figure 30 on page 29),
select a Releasing Zone (R0-R9) to display the Releasing Function screen:
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Each Releasing Zone includes four releasing functions, outlined in Table 27:
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You can use the AFC-600 as a control panel for agent release or preaction/deluge
control applications. When used with compatible, UL-listed actuating and initiating
devices, the control panel meets the requirements of the following NFPA standards:
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Function Lets You
Delay Program a 0-60-second Delay Timer. The Delay Timer equals the time that must
elapse between activating an initiating device and activating the releasing zones
mapped to the active initiating device.
Abort Select a 3-letter Abort switch Type Code (ULI, IRI, NYC, or AHJ) that adds a
delay time to a Releasing Zone, or prevents a release of a Releasing Zone ("How
to Program an Abort Switch" on page 46).
Cross Select one of three Cross Zone types or “N” (not used). A Cross Zone requires
tripping two or more devices to activate the outputs mapped to one of the
Releasing Zones.
Soak Select a Soak Timer (0-9999 seconds) or “0” (not used).
Standard Covers
NFPA 12 CO2 Extinguishing Systems
NFPA 12A Halon 1301 Extinguishing Systems
NFPA 12B Halon 1211 Extinguishing Systems
NFPA 13 Sprinkler Systems
NFPA 15 Water Spray Systems
NFPA 16 Foam-water Deluge and Foam-water Spray Systems
NFPA 17 Dry Chemical Extinguishing Systems
NFPA 17A Wet Chemical Extinguishing Systems
NFPA 2001 Clean Agent Fire Extinguishing Systems
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