2: Secondary Power Source (Batteries); Auxiliary Dc Power Output Connections - Honeywell NOTIFIER NFC-50/100 Instruction Manual

Auxiliary DC Power Output Connections

2.3.2 Secondary Power Source (Batteries)
The batteries must be sealed lead acid type. Before connecting the batteries to the FACP,
make certain that the interconnect cable between the batteries is not connected. Do not con-
nect the interconnect cable until the system is completely installed.
WARNING: RISK OF PERSONAL INJURY
!
BATTERY CONTAINS SULFURIC ACID WHICH CAN CAUSE SEVERE BURNS TO THE SKIN AND EYES AND CAN
DESTROY FABRICS. IF CONTACT IS MADE WITH SULFURIC ACID, IMMEDIATELY FLUSH THE SKIN OR EYES WITH
WATER FOR 15 MINUTES AND SEEK IMMEDIATE MEDICAL ATTENTION.
Observe polarity when connecting the batteries. Connect the battery cable to J7 on the main control board, using the plug-in connector
and cable provided. The battery charger is current-limited and capable of recharging sealed lead acid type batteries (See Figure 2.7 for
battery orientation). The charger shuts off when the system is in alarm. See page 78 for calculation of the correct battery rating.
VAC
Hot (black)
Ground (green)
Neutral (white)
Connect Earth
Ground wire to
ground stud with
grounding cable
2.4 Auxiliary DC Power Output Connections
The Special Application Auxiliary DC power output is power-limited (Class 2).
Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
Figure 2.7 Operating Power Connections
Special Application Power (500 mA @ 24 VDC nominal) is non-resettable power suitable
for powering control modules and End-of Line Power supervision relays.
See Device Compatibility Document for compatible devices.
Figure 2.8 Auxiliary Power Connection
red (+) black (-)
18 AH
battery
TB17
+
-
18 AH
battery
Installation
Interconnect
Cable
27