23
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 6
Installing the PR-300 Polarity Reversal and City Tie Module
Table 5 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-401
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
REVERSA
L
ALAR
M
POLAR
IT
Y
REVERSA
L
SU
P
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.
Mounted on hex spacer
with two screws provided
PR-300
i