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"NAC OPTION" JUMPER OPTIONS
The "NAC OPTION" jumpers described in the table below are only used when the "NAC ADDR" jumper is set to 0 ("zero" no
shunt connectors across any of the jumpers). When the "NAC ADDR" jumper is set to 0 ("zero"), the AUX relays are dedi-
cated to the following tasks:
• AUX Relay 1 = NAC loop trouble (open or short on NAC 1-4 loop)
• AUX Relay 2 = Normally energized AC ON
• AUX Relay = Normally energized Battery Good
OPTION # JUMPER
SHUNT
1
OFF
2
OFF
3
OFF
0
4
OFF
5
OFF/ON
1
ON
2
OFF
1
3
OFF
4
OFF
5
OFF/ON
1
ON
2
ON
2
3
OFF
4
OFF
5
OFF/ON
1
ON
2
OFF
3
3
ON
4
OFF
5
OFF/ON
*INPUT 1 can be steady or temporal.
CONFIGURING the GEMC-24VR
To use the GEMC-24VR for constant auxiliary regulated 24V power, place shunt on NAC Options jumper 5. Wire NAC 4
to input terminals 1 and 2, observing polarity.
Gemini C-Series GEMC-NAC Extender Installation Instructions
"NAC OPTION" JUMPER OPTIONS
JUMPER NAME
strobe/bell
Wheelock
System Sensor
Offset
AUX PWR
strobe/bell
Use INPUT 1 as bell and INPUT 2 as strobe NAC 1 and 2 temporal on bell (INPUT 1),
Wheelock
System Sensor
Offset
AUX PWR
strobe/bell
Wheelock
System Sensor
Offset
AUX PWR
strobe/bell
Wheelock
Use INPUT 1 as bell and INPUT 2 as Strobe (System Sensor format)*
System Sensor
Offset
AUX PWR
NAC 1 and NAC 2 follow INPUT 1, NAC 3 and NAC 4 follow INPUT 2
ON = Offset NAC 1/2 and NAC 3/4 by 1/2 second
ON = NAC 4 is always on (24V auxiliary power)
NAC 3 and 4 follow strobe (INPUT 2)
ON = Offset NAC 1/2 and NAC 3/4 by 1/2 second
ON = NAC 4 is always on (24V auxiliary power)
Use INPUT 1 as bell and INPUT 2 as Strobe (Wheelock format)*
ON = Offset NAC 1/2 and NAC 3/4 by 1/2 second
ON = NAC 4 is always on (24V auxiliary power)
ON = Offset NAC 1/2 and NAC 3/4 by 1/2 second
ON = NAC 4 is always on (24V auxiliary power)
DESCRIPTION
25
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