Appendix D
PXL Conventional Fire Alarm Control Panel
69
APPENDIX D
Silent Knight Model 5128/5129 Digital Fire
Communicator Connected to the PXL
Control Panel Reporting PXL Control Panel
Conditions to a Central Station or PXL as a
Remote Surpevising Station Fire Alarm
System
OPERATION
The PXL reports system conditions using the Silent Knight Model
5128/5129, a four channel digital communicator that reports alarm,
trouble, supervisory, and miscellaneous status. When used with the
PXL, the Silent Knight Model 5128/5129 uses the alarm, trouble, and
supervisory channels. The miscellaneous status channel may be
used to annunciate conditions other than fire.
INSTALLATION
Remove all system power before installation, first battery and
then AC.
(To power up, connect the AC first and then the battery.)
Mounting
Silent Knight Model 5128
Mount the Silent Knight Model 5128 within the PXL enclosure as
shown in Figure 26. When mounting the unit in either the PSE-1 or
PSE-2 enclosure, place the Silent Knight Model 5128 between the
knockouts on the top of the right-hand side of the panel. Alternate
mounting for the Silent Knight 5128 may include double-sided tape,
velcro, or snaptrack.
Silent Knight Model 5129
The Silent Knight Model 5129 must be mounted outside of the PXL
enclosure and within 20 feet of it. All electrical wiring must be in metal
conduit.
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