NAPCO Gemini C-Series Control Panel Installation Instructions--Volume 2
Installation Instructions, Volume 2 Page 9
Large System - One GEMC-NACXX Extender
In this example, NAC A, B and C on the GEMC-XXMB and
NAC A and B on NAC7L/7S are one Sync Group using S1
supplying 8A on 4 circuits. NAC C and D on the GEMC-
XXMB and NAC C and D on the GEMC-NACXX are a Sync
Group using S2, offset from S1, supplying 4.5A on 3 circuits.
Larger System - Two GEMC-NACXX Extenders
In this example, NAC A, B and C on the GEMC-XXXMB and
NAC's A and B on each of the (2) GEMC-NACXX extenders
are one Sync Group using S1 supplying 12A on 6 circuits.
NAC C and D on the GEMC-XXXMB and NAC's C and D on
each of the (2) GEMC-NACXX's are a Sync Group using S2,
offset from S1, supplying 7.0A on 5 circuits.
Programming Method 1 (Standard Temporal):
In PCD-Windows Quickloader download software, program
as follows:
1. Do not select option "Coded Alarms by Zone" in the NAC/
Output Options screen;
2. Select "Silenceable and "Smart" for each NAC;
3. Program the selected NAC to activate on fire alarm or
specific zone alarms in the By Zone feature screen (A-D,
1-8) or the NAC/Output Events screen.
Wiring Method 1
Use only all "Smart" Wheelock or all "Smart" System Sensor
Strobes and Horns. Note: Strobes and Horns may share
NAC's.
GEMC-
XXXMB
NAC A - Sync S1 - 2 Amps
NAC B - Sync S1 - 2 Amps
NAC C - Sync S2 - 1.25 Amps
NAC D - Sync S2 - 1.25 Amps
NAC SYNCHRONIZATION RULES (CONT'D)
GEMC-
XXXMB
NAC B - Sync S1 - 2 Amps
NAC C - Sync S1 - 2 Amps
NAC D - Sync S2 - 2 Amps
GEMC-
NACXX
NAC A - Sync S1 2 Amps
NAC B - Sync S1 - 2 Amps
NAC C - Sync S2 - 1.25 Amps
NAC D - Sync S2 - 1.25 Amps
NAC A - Sync S1 0 Amps NO DEVICES
GEMC-
NACXX
(#1)
NAC A - Sync S1 2 Amps
NAC B - Sync S1 - 2 Amps
NAC C - Sync S2 - 1.25 Amps
NAC D - Sync S2 - 1.25 Amps
GEMC-
XXXMB
NAC B - Sync S1 - 2 Amps
NAC C - Sync S1 - 2 Amps
NAC D - Sync S2 - 2 Amps
NAC A - Sync S1 0 Amps NO DEVICES
GEMC-
NACXX
(#2)
NAC A - Sync S1 2 Amps
NAC B - Sync S1 - 2 Amps
NAC C - Sync S2 - 1.25 Amps
NAC D - Sync S2 - 1.25 Amps
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