NAPCO GEM-EZM4/8 Installation Instruction
ADDENDUM
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ZONE EXPANSION MODULE
GEM-P1664 Control Panel
© NAPCO 2005 WI1418A 5/05
DESCRIPTION
The capacity of the GEM-P1664 control panel may be expanded through the use of a GEM-EZM4/8 Zone Expansion Module. Each
GEM-EZM4/8 module provides up to 16 additional zones, and may be configured in a number of methods: 4 zones, 8 zones, 12 zones
or 16 zones. Using any of these configurations, several GEM-EZM4/8 modules may be combined as necessary to supply the required
number of zones to the GEM-P1664 control panel. Refer to the GEM-P1664 Installation Instructions and GEM-P1664 Programming
Instructions for wiring requirements. Note: Although the GEM-EZM4/8 may also be used with the GEM-P816 and GEM-P1632 control
panels, the features described in this addendum apply only to the GEM-P1664.
WIRING
Wire the expansion zones to the module and the module to the control panel in accordance with the wiring diagrams shown using
wire no thinner than #22AWG. Install EOL (end-of-line) resistors on all zones even if one or more zones are not used. NOTE: The
addition of Zone Expansion Modules will reduce the amount of current available by 60mA at the control panel's Auxiliary Power Output
terminals.
GEM-EZM4/8 ZONE EXPANSION MODULE
GEM-EZM4/8
for the
9 10 11 12
GEM-P1664
CONTROL PANEL
Current
(
Nominal
Voltage
12VDC
60 mA
SPECIFICATIONS
MAXIMUM LOOP RESISTANCE
Standard Zone
Configuration
)
300 Ohm 100 Ohm 100 Ohm
Primary Zones in
Zone Doubled
Configuration
Secondary Zones in
GEM-EZM4/8 Wiring Diagram
Zone Doubled
Configuration
1
SERIES ZONE AND LOOP SUPERVISION CONFIGURATION (1 EZM-4 ZONES)
g)
Loop supervision with
one contact using a
2.2K across the contact and a 2.2K EOL
resistor, as shown in
the illustration at right:
6 7 8 17 16 15 14 13 12 11 9 10
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
(+) (–)
For "Series Zone and Loop Supervision
Configuration":
1. Do not program NO EOLR (by zone)
2. Program Day Zone on Open (by zone)
2.2K
Configuration = 1 EZM
3. Enable Zone Supervision (global)
SERIES ZONE AND LOOP SUPERVISION CONFIGURATION (2 EZM-8 ZONES)
Loop supervision with
one contact using a
2.2K across the contact and a 2.2K EOL
resistor, as shown in
the illustration at right:
6 7 8 17 16 15 14 13 12 11 9 10
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
(+) (–)
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
Configuration = 2 EZM
(Default Setting)
"Series Zone and Loop Supervision" Zone Operation
Armed (Set) or 24H Disarmed (unset)
1) Series N/C device
active
2) Parallel N/ O device
active
3) Zone Short Alarm and Day Zone
4) Zone Open Alarm and Day Zone
* Day Zone TBL generates a pulsing keypad sounder,
“DAY ZONE TROUBLE” on LCD and SYS TBL Icon on
when disarmed. A System Trouble E98-00 will remain on
Alarm Zone Fault
N/A N/A
TBL*
TBL*
Day Zone TBL* and Zone
Fault
Day Zone TBL* and Zone
Fault
the system until all day zone troubles have been reset.
SERIES ZONE DOUBLINGTM AND LOOP SUPERVISION (3 EZM-12 ZONES)
6 7 8 17 16 15 14 13 12 11 9 10
(–)
2.2K
Z11
4.7K 2.2K
4.7K 2.2K
2.2K
2.2K
4.7K 2.2K
Z12
2.2K
Z5
Z4
2.2K
Z10
Z3
Z2
4.7K 2.2K
Z9 Z1
2.2K
For "Series Zone Doubling & Loop Supervision" Configuration:
1. Do not program NO EOLR (by zone)
2. Program Day Zone on Open (by zone)
3. Enable Zone Supervision (global)
2.2K
(+)
2.2K
Z7
Z6
2.2K
2.2K
2.2K
2.2K
Z8
Configurat ion = 3 EZM
Each loop has 2 zone resistors (2.2K and 4.7K) for each zone,
and a third 2.2K EOLR provides loop supervision (see diagram).
In loop 1, the 2.2K contact resistor ("Z1") represents the primary
zone and the 4.7K resistor ("Z9") represents the secondary zone.
In the disarmed state, a loop open or shorted (day zone trouble)
will display at the keypad and is reported to the central station (if
selected). The loop supervision function will continue to operate
regardless of the state of the zone contacts on that loop, even if a
loop is bypassed. In the armed state, the loop supervision function will report and display a system trouble notification. When the
door/window contact is actuated by a magnet, the contact is
closed (shorting out the zone resistor). When the contact is open,
the contact places the zone resistor in the circuit. The panel can
detect the following loop conditions, as follows:
A. Loop completely open or shorted: Day Zone Trouble
B. All Contacts closed: Loop Resistance=2.2K (Normal)
C. All Contacts Open: Loop Resistance=9.1K
D. Contact 1 ("Z1") open: Loop Resistance= 4.4K
E. Contact 2 ("Z9") open: Loop Resistance= 6.9K
To activate programming addresses for Zone Doubling and Loop
Supervision, refer to the GEM-P1664 Programming Instructions.
SERIES ZONE DOUBLINGTM AND LOOP SUPERVISION (4 EZM-16 ZONES)
"Series Zone Doubling and Loop Supervision" Zone Operation
6 7 8 17 16 15 14 13 12 11 9 10
2.2K
Z11 Z3
4.7K 2.2K
4.7K 2.2K
Z10
Z2
2.2K
4.7K 2.2K
Z9 Z1
2.2K
2.2K
(–)
(+)
2.2K
Z15
4.7K
2.2K
4.7K 2.2K
4.7K
2.2K
2.2K
Z16
Z8
Configuration = 4 EZM
Z14
Z7
Z6
2.2K
Z13
4.7K 2.2K
4.7K 2.2K
Z12
Z5
Z4
2.2K
1) Series N/C device active Alarm Zone Fault
* Day Zone TBL generates a pulsing keypad sounder, “DAY ZONE TROUBLE” on LCD and SYS TBL Icon on when disarmed. A System Trouble E9800 will remain on the system until all day zone troubles have been reset.
Armed (Set) or 24H Disarmed (unset)
2) Parallel N/O device
active
N/A N/A
3) Zone Short Alarm and Day Zone TBL* Day Zone TBL* and Zone
4) Zone Open Alarm and Day Zone TBL* Day Zone TBL* and Zone
Fault
Fault
2
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