Chapter 2
Installation
19
The panel comes with factory programmed onboard hardwired zones. Install 2 kohm, end-of-line (EOL)
resistors on all unused factory programmed onboard hardwired zones. If you don’t want to install EOL
resistors, delete any unused zones from memory.
Zone inputs
Zone inputs 1 through 8 are supervised using included 2-ohm, end-of-line resistors at the last device on each
circuit. All eight zones accept either normally open (NO) or normally closed (NC) detection devices.
Connecting intrusion detection devices
Figure 6 shows the typical wiring for NC and NO door/window intrusion detection and the typical wiring for a
GE PIR. The minimum available panel voltage for hardwired PIR motion detectors is 8.5 VDC (9.5 VDC for
UL listed installations).
Figure 6. Connecting N/C and N/O intrusion detection and motion detector circuits to the panel
Note: When using 2-wire smoke detectors on zone 8, the 2-wire smoke setting (in program mode) must be turned on before
entering the learn sensors menu. See Figure 6 for complete details.
Connecting 2-wire smoke detectors
Zone input 8 can be set up (in program mode) to accept the following 12 VDC, 2-wire smoke detectors:
• ESL models 429AT, 429C, 429CT, 521B, 521BXT, 521NCSXT (models 521B and 521BXT require the
following dip switch settings: 1-on, 2-off)
When set up for 2-wire smoke detectors, zone 8 can handle up to 20 smoke detectors (all of the same model, as
listed above) with 120 uA maximum idle current per detector. Maximum total loop current allowed in an alarm
condition is 90 mA. Connect one or more, two-wire smoke detectors to the panel as shown in Figure 7 on
page 20.
CAUTION: Use only the 2-wire smoke detector models listed. Alarm signals from other detectors may not process
correctly if the panel loses AC power and is operating only from the backup battery.
2 kohm resistor
Normally closed
(NC) contacts
in series
Normally open
(NO) contacts
in parallel
Motion
detector
2 kohm resistor
Panel terminals
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