Model 6820 / 6820-EVS Installation Manual
LS10144-001SK-E
4-43
4.18.3
Using the Addressable Relay Module for City Box
Connection
Wire the SK-Relay as shown in Figure 4-56.
Figure 4-56 Relay Module for City Box Connection
4.18.4
NFPA 72 Polarity Reversal
Note: Intended for connection to a polarity reversal circuit of a control unit at the protected premises having
compatible rating.
4.18.4.1 Using the 5220 Module
When the 5220 is wired and programmed for polarity reversal, it reports alarm and trouble events to a remote
site. Alarms will override trouble conditions and it will not be possible to reset the remote indicator until the
condition is cleared and the control panel is reset.
If an alarm condition occurs, the alarm relay will close, overriding the trouble condition.
Standby Current: 100 mA, 24 VDC
Alarm: 100 mA, 24 VDC
To install the 5220 for polarity reversal, follow the steps below:
1.
Locate the knockout on the right side of the control panel cabinet 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 using the four-wire pigtail provided as shown in Figure 4-57. This dia-
gram also shows how to connect the 5220 to the remote indicator.
3.
Connect earth ground wire to the 5220 chassis with mounting screw.
4.
Program the circuit used as a notification circuit, continuous and non-silencing. Refer to Section 9.5 for
point programming, Section 9.4 for group settings, and Section 9.3 for zone settings and mapping.
