Power - Honeywell Fire-Lite Alarms MS-9050UD Manual

Operating Instructions

4.22.3 Power

Pressing 3 while viewing Read Status Screen #1 will cause the following screens to be displayed:
A real-time display of the control panel voltages can be used to determine if a problem exists in the
system.
The following table lists the circuit being measured, possible conditions and their respective
voltage ranges:
Circuit
Battery
ANN-BUS Power
Charger
System Power
162
POWER
BATTERY
ANN-BUS PWR
CHARGER
Power Screen #1
POWER
SYSTEM PWR
Power Screen #2
Condition
Normal Battery (nominal)
Low Battery
No Battery
Normal
Normal
Nominal
27.21V
27.75V
27.75V
27.60V
Voltage Range
27.05 to 28.15 VDC
17.7 to 20.4 VDC
0 to 17.6 VDC
21.25 to 27.50 VDC
21.87 to 29.84 VDC
27.60 VDC
MS-9050UD PN 52413:C 01/23/08