LED INDICATOR OPERATION
The 8842 contains an LED indicator capable of
flashing either one of three distinct colors: green,
yellow, or red. Every seven seconds, the
microprocessor-based detector checks that its critical
electronics are operating.
Based on the results of these checks, the LED
indicator flashes as follows:
Color
Condition
Flash
Interval
(Seconds)
Green
Normal supervisory operation.
7
Yellow
Detector requires service (repair)
or is operating beyond its
environmental specifications.
7-30
Red
Alarm
On steady
No
Flashes
Detector is not powered, or
requires repair.
-
Figure 1
Installation and Wiring Diagram for Conventional Detector
TESTING AND MAINTENANCE
TEST
Testing requires no test equipment. A green flash of
the detector LED about every seven seconds indicates
that the 8842 is operating properly. Test as frequently
as required by the Installation and Test Guidelines of
NFPA 72 DETECTORS.
CAUTION: UNDER NO CIRCUMSTANCES
IS THE DETECTOR HEAD TO BE DISASSEMBLED.
NO FIELD REPAIRS SHOULD BE ATTEMPTED. THE
DETECTORS ARE FACTORY REPAIRABLE ONLY.
DO NOT PAINT
The detector/base plastic is marked DO NOT PAINT.
This is intended to prohibit painting during routine
maintenance of the occupancy which can affect proper
operation of the detector.
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P/N 315-095429FA-3
CAUTION:
1. Do not use looped wire under base terminal 5. Break wire
run to provide supervision of connection.
2. When a remote relay is used to control a critical system
function, the relay and its associated detector and optional
module(s) must be the ONLY devices on the initiating circuit.
