SILENT KNIGHT 5700 Especificaciones Pagina 60

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Model 5700 Installation and Operation Manual
4-32 151295
4.14.2 City Box Connection Using the 5220 Module
This section describes how to connect the control panel to a municipal fire alarm box or “city
box” as required by NFPA 72 Auxiliary Protected Fire Alarm systems for fire alarm service.
The city (master) box is an enclosure that contains a manually operated transmitter used to
send an alarm to the municipal communication center which houses the central operating part
of the fire alarm system.
City Box Standby Current: 0 (Notification supervision current
accounted for in control panel draw.)
Alarm Current: 1 Amp for 1 second
Max Voltage: 27.4 VDC
The maximum coil and wire resistance (combined) must not exceed 30 ohms.
To install the 5220 for city box connection:
1. Use one of the knockouts on the right side of the control panel to connect the 5220 using a
short piece of conduit (must not exceed 20 feet in length).
2. Wire the 5220 to the control panel as shown in Figure 4-34. This drawing also shows how
to connect the city box coil to terminals 3 and 4 on the 5220. Do not install an EOL resis-
tor in the terminals of the NAC circuit used for this application.
3. Connect earth ground wire to the 5220 chassis with mounting screw.
4. Program the NAC circuit used as a continuous and non-silencing. Refer to Section 7.5.1
for zone grouping and mapping.
It is not possible to reset the remote indication until you clear the condition and reset the
control panel.
Figure 4-34 City Box Connection
Non-Supervised
Non-Power Limited
Note:
NAC Circuit 2 Used
as an Example.
Either NAC Circuit
Can Be Used.
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