Appendix H: Open/Short/Ground Trip Values - Honeywell NOTIFIER NFW-50X Manual

Table H.1 lists the earth fault resistance detection for each applicable terminal on the FACP.
Table H.2 lists the open/short trip values and restoral values for the NAC circuits on the FACP.
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Appendix H: Open/Short/Ground Trip Values

Output Circuit
Remote Sync
Remote Sync
NAC 1-2
NAC 1-2
ANN Bus
ANN Bus
Aux Power
Aux Power
SLC
SLC
Table H.1 Earth Fault Trip Values
Circuit
NAC 1-2 Shorts below 1.75K
NAC 1-2 Opens above 25K
Table H.2 NAC Open/Short Trip Values
Terminal Trip Resistance (in ohms)
+
-
+
-
A
B
+
-
+
-
Trip Resistance (in ohms)
NFW-50X Manual — P/N LS10129-001NF-E:C 7/25/2018
360K
330K
360K
320K
270K
265K
370K
320K
125K
320K
Restore Value
2K
23K