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4.3.1 Installing the PR-300 Polarity Reversal and City Tie Module
Mount the PR-300 as shown in Figure 5.
The Alarm Transmit signal to the PR-300 can be programmed to turn OFF when signal silence
is active. This allows the City Tie Box to be manually reset. On subsequent alarms the
silenceable signals will resound and the City Tie Box will be retriggered.
The Trouble Transmit signal to the PR-300 can be programmed to delay AC power fail 0, 1, 2,
or 3 hours if this is the only system trouble.
Figure 5 Installing the PR-300 Polarity Reversal and City Tie Module
Table 10 PR-300 Polarity Reversal and City Tie Module Connectors and Jumpers
Item
Setting
P1
Connect cable to P8 on the Main Board of the MR-3318
JW4
Not used. Keep jumper intact.
Note:
If using a PR-300 remember to remove JW7 on the main board. For the location
of JW7 on the main board see Figure 3.
POLAR
IT
Y
REVERSAL
ALAR
M
POLAR
IT
Y
REVERSAL
SUP
V
CI
TY
TI
E
+ | -
+
| -
+
| -
JW4
P1
P2
Mounting hole for
#6-32 screws
Mounting hole for
#6-32 screws
Reverse polarity and city
tie module PR-300.
Mounts on the right hand
side or the backbox
with two screws provided
PR-300
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