Carrier 48LC Series Service And Maintenance Instructions page 20

on and its Dirty LED flashes twice (approximately 60
seconds).
2. Reset the sensor by removing the test magnet then
holding it against the sensor housing again until the
sensor's Alarm LED turns off (approximately 2
seconds).
Remote Station Test
The remote station alarm test checks a test/reset station's
ability to initiate and indicate an alarm state.
CAUTION
!
OPERATIONAL TEST HAZARD
Failure to follow this caution may result in personnel
and authority concern.
This test places the duct detector into the alarm state.
Unless part of the test, disconnect all auxiliary
equipment from the controller before performing the
test. If the duct detector is connected to a fire alarm
system, notify the proper
performing the test.
SD- -TRK4 Remote Alarm Test Procedure
1. Turn the key switch to the RESET/TEST position for
seven seconds.
2. Verify that the test/reset station's Alarm LED turns
on.
3. Reset the sensor by turning the key switch to the
RESET/TEST position for two seconds.
4. Verify that the test/reset station's Alarm LED turns off.
Remote Test/Reset Station Dirty Sensor Test
The test/reset station dirty sensor test checks the test/reset
station's ability to initiate a sensor dirty test and indicate the
results. It must be wired to the controller as shown in Fig. 27
and configured to operate the controller's supervision relay.
For more information, see "Changing sensor dirty test
operation."
CAUTION
!
OPERATIONAL TEST HAZARD
Failure to follow this caution may result in personnel
and authority concern.
If the test/reset station's key switch is left in the
RESET/TEST position for longer than seven seconds,
the detector will automatically go into the alarm state
and activate all automatic alarm responses.
authorities before
Dirty Sensor Test Using an SD- -TRK4
Detector Cleaning
Cleaning the Smoke Detector
Clean the duct smoke sensor when the Dirty LED is
flashing continuously or sooner if conditions warrant.
20
CAUTION
!
OPERATIONAL TEST HAZARD
Failure to follow this caution may result in personnel
and authority concern.
Holding the test magnet to the target area for longer
than seven seconds will put the detector into the alarm
state and activate all automatic alarm responses.
Fig. 27 - - Remote Test/Reset Station Connections
1. Turn the key switch to the RESET/TEST position for
two seconds.
2. Verify that the test/reset station's Trouble LED
flashes.
CAUTION
!
OPERATIONAL TEST HAZARD
Failure to follow this caution may result in personnel
and authority concern.
If the smoke detector is connected to a fire alarm
system, first notify the proper authorities that the
detector is undergoing maintenance then disable the
relevant circuit to avoid generating a false alarm.
C08247