16
FS20X Fire and Flame Detectors
Installation
Installation Practices
For installations in a Hazardous Classified Area, consult the
National Electrical
Code Handbook
, articles 500 through 517 for the proper installation practices. For
locations outside the United States, observe local and regional regulations.
The detector’s metal conduit plug by itself will not provide a weathertight seal.
To maintain the detector’s weatherproof integrity and satisfy local and regional
regulations, apply an approved sealant to the threads.
CAUTION
!
Before completing the installation, verify that the detector has been configured
correctly for the application. The factory default settings are as follow:
FS20X Settings for SW VER I/F 6175009G and earlier
Description
Setting
Alarm relay outputs are non-latching and normally de-energized
SW2-1 off
SW2-7 off
Detector range/sensitivity is medium
SW2-2 off
SW2-3 on
Auxiliary relay Verify Time is set to 5 seconds
SW2-4 on
SW2-5 off
Factory use only
SW2-6 off
Fault relay output is normally energized
SW2-8 on
Communication is set to FireBusII
SW3 is set to position 4
Factory use only
SW1-1 through SW1-3 off
Digital communication address is set to 127
SW1-4 through SW1-10 on
FS20X Settings for SW VER I/F 6175009H and later
Description
Setting
Alarm relay outputs are non-latching and normally de-energized
SW2-1 off
SW2-7 off
Detector range/sensitivity is medium
SW2-2 off
SW2-3 on
Auxiliary relay Verify Time is set to 5 seconds
SW2-4 on
SW2-5 off
Factory use only
SW2-6 off
Fault relay output is normally energized
SW2-8 on
Communication is set to FireBusII
SW3 is set to position 4
Factory use only
SW1-1 & SW1-3 off
8, 12 and 16 mA controls (see table below for details)
SW1-2
Digital communication address is set to 127
SW1-4 through SW1-10 on
If the detector’s application requires different settings, refer to
for detailed descriptions.
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