Honeywell SILENT KNIGHT SK-5208, Installation And Operation Manual

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Control Panel Installation
P/N 151204 3-35
3.15 Special Applications
3.15.1 Model 5220 Direct Connect Module
The 5220 Direct Connect module can be used with the SK-5208 to meet NFPA 72 standards.
The 5220 requires four connections to the SK-5208 and provides outputs for city box and
polarity reversal applications. The 5220 cannot be used for sprinkler supervisory.
The 5220 provides a current that reverses polarity during alarm or removes current during a
trouble condition. Maximum voltage 27.3 VDC.
Note: The 5220 Direct Connect Module will activate for alarm and trouble conditions during a Walk Test. To
disable alarm activation during Walk Test, bypass the NAC programmed for Direct Connect before
entering the Walk Test mode. To bypass the NAC, press; 10 + NAC# + * + Code (repeat to un-bypass
NAC). The Direct Connect relay will indicate trouble until the NAC is un-bypassed.
3.15.1.1 City Box Connection
This section describes how to connect the SK-5208 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.
The maximum coil and wire resistance (combined) must not exceed 30 ohms.
To install the 5220 for city box connection:
1. Locate the knockout on the right side of the SK-5208 cabinet to connect the 5220 using a
short piece of conduit (must not exceed 20 feet in length).
2. Wire the 5220 to the SK-5208 as shown in Figure 3-26. This drawing also shows how to
connect the city box coil to terminals 3 and 4 on the 5220.
3. Program NAC #4 to be direct connect from the NAC Options menu. Relay #4 will
automatically be configured to indicate system troubles.
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