Also called the bell circuit signal circuit or output circuit. Each circuit is capable of being independently controlled by the 4009 idnet as commanded by the host panel.
What Voltage Should I Measure On The Nac
Nac circuit wiring. Are specific signals transmitted by an alarm system that indicate whether it has been armed or disarmed. When used with a potter addressable releasing panel the pad100 nac can provide an. The pad100 nac is a monitored notification appliance circuit that wires to the slc loop to provide an additional notification circuit. Nac is the acronym for notification appliance circuit. In the fire alarm industry there are three types of fire alarm wiring circuits. The pad100 nac is compatible with and potters iafcarc pa series addressable fire alarm control panels.
This would be your hornstrobe or speaker circuits off of remote power supplies addressable fire alarm panels signal modules bell cards etc. Click here for more information on fire alarm wiring idc initiating device circuits click here for more information on fire alarm wiring nac notification appliance circuits. This would be your addressable loop circuits. The notification circuits use a 10k end of line resistor for supervision. Below is a circuits diagram that displays the circuit styles of a notification appliance circuit nac. Below is a circuits diagram that displays the circuit styles of a signaling line circuit slc.
An open nac is a trouble on a fire alarm panel that shows that a wire in the building somewhere along the notification appliance circuit or horn strobe circuit has has broken wire or it has come loose from a screw terminal or splice. Firenet plus wiring instruction 1 v101. Horns strobes chimes bells klaxons speakers circuit. Physical wire loop carrying power to the notification appliances the nac circuit starts at the main fire alarm panel or at power expander panels and goes out to the notification devices in the. The nac circuit is usually a simple circuit which is designed by our expert engineers. Short for notification appliance circuit.
This circuit is usually a two wire circuit and makes use of an end of line resistor to end. Output devices are terminated to the nac in either a class a or class b configuration. The nac circuit is designed to start at the main fire alarm panel and connects to the notification devices in the building or residence thereby completing the circuit. Field wiring diagram for complete wiring compatible appliances current and line distance information. The total sum of device loads in the nac circuit must not exceed the maximum current specified for the firenet plus panel when operating in continuous regulated pulsed regulated or special application mode. In the fire alarm industry there are three types of fire alarm wiring circuits.
Tells people of a fire or other life threatening emergency appliance.
Gallery of Nac Circuit Wiring
