Removing The Detector - GE 521NB Installation Instructions Manual

500N Series 2-wire wiring diagram
+
2-wire
Initiating
-
Circuit
First
Detector
Listed Alarm Control
Note
The 500N Series 2-wire
detectors are polarity
sensitive.
Note
CleanMe is enabled by
wiring units in reverse
polarity
500N Series 4-wire wiring diagram
+
Power
-
Listed Alarm Control
Note
The 500N Series 4-wire
detectors are not CleanMe
compatible
Initiating
Cicuit
500N Series 4-wire E model wiring diagram
+
Power
-
Listed Alarm Control
Note
The 500N Series 4-wire
detectors are not CleanMe
compatible
Initiating
Cicuit
Smoke Testing the Detector
Smoke detectors should be tested in place annually using one of the
following methods:
A. Use Smoke! in a can (product number SM-200), a canned
®
aerosol simulated smoke and follow the directions on the can.
B. Use the following steps to test the detector with smoke:
1. Hold a smoldering punk or cotton wick close to the
smoke entry openings.
2. Gently direct the smoke into the detector for 20 seconds
or until an alarm is indicated.
Be sure to extinguish the smoke source after testing! The
detector LED should stay on and an alarm should be indicated at the
control panel. Use the system reset switch to reset the detector.
ESL 500N Series
+ -
CleanMe
Enabled
Model Model
521NB/521NBXT 521NB/521NBXT
521NCSXT 521NCSXT
WARNING
The system may not operate if the detector is not connected to the control unit
initiating device circuit as specified in the detector or control unit literature.
NO COM
First
Detector
- +
Model
541NB
541NBXT
NO COM
First
Detector
- +
Model
541NB
541NBXT
Figure 5. Wiring diagrams
Last
Detector
- +
CleanMe
CleanMe
Disabled
Disabled
Model
521NCRXT
521NCSRXT
NO COM
Last
Detector
- +
NC
COM
Model
NO
541NCSRXT
541NCSRH
541NCRXT
EOL Device
NO COM
Last
Detector
- +
NO
COM
NC
Model
541NCSXTE
541NCXTE
EOL Device

Removing the Detector

To remove the detector from the mounting base, grasp the
detector and turn it counterclockwise approximately 15 degrees.
The detector should snap off of the mounting base.
To remove the detector from the mounting base when the
detector/base lock is used, insert a small screwdriver into the
locking tab slot on the side of the base and press in while simulta-
neously turning the detector counterclockwise 15 degrees. See
Figure 7.
EOL
Device
- +
NC
COM
NO
ESL
204-12/24V
Power
Supervision
Relay
3