Owner's manual

P/N HS-5010 REV. C
page 10 of 12
Component Measured Voltage DC to Chassis Ground Resistance Range to cause Ground
Fault in Standby (measured in 5K increments)
MX-MBR W/STROBE SPKR + SPKR - SPKR + SPKR -
PS CONNECTED 23.5 10 <345K - 350K <120K - 125K
MX-MBR FIRE PHONE PHONE + PHONE - PHONE + PHONE -
CONNECTION (TB5, TB6) 21 -3 <295K - 300K <30K - 35K
MX-MBR W/EVX-ZAB SPKR + SPKR - SPKR + SPKR -
CONNECTED 24 10 <240K - 245K <80K - 85K
MX-MBR W/EVX-ZA SPKR + SPKR - SPKR + SPKR -
CONNECTED 24 9 <240K - 245K <65K - 70K
MX-FPI W/MX-FPR PHONE + PHONE - PHONE + PHONE -
CONNECTED 21 -3 <205K - 210K <20K - 25K
MX-FPI W/MX-FPO2 PHONE + PHONE - PHONE + PHONE -
CONNECTED 21 -3 <205K - 210K <20K - 25K
EVX-25(E),-50(E), -100(E) SPKR + SPKR - SPKR + SPKR -
PRIMARY AMP 24.5 10 <260K - 265K <90K - 95K
EVX-BAB SPKR + SPKR - SPKR + SPKR -
24 10 <260K - 265K <80K - 85K
Annunciation of “Ground Faults” on Notification Appliance Circuits
The following test points are provided to show voltage reading at terminals.
The K ohm resistance values shown annunciate a “ground fault” at panel.
2519 Fourth Avenue
Moline, IL 61265
[phone] (v)
[phone] (f)
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