Operating Power; Operating Power Connections - Fire-Lite 411UDAC Installation, Programming, Troubleshooting And Operating Instruction Manual

Fire alarm communicator
Table of Contents

Advertisement

Operating Power

2.3
Operating Power
!
CAUTION: Several different sources of power can be connected to the 411UDAC. Disconnect all sources of power
before servicing this unit. The communicator and associated equipment may be damaged by removing and/or insert-
ing modules or cables with power applied.
Primary Power Source (AC) and Earth Ground Connections
AC power connections are made inside the 411UDAC cabinet. The primary power source is 120 VAC, 60 Hz, 0.3
amps. Run a pair of wires (with ground conductor) from the protected premises main breaker box to TB3 of the main
circuit board. As per the National Electric Code, use 14 AWG (2.00 mm
tion. No other equipment may be connected to this circuit. In addition, this circuit must be provided with overcurrent
protection and may not contain any power disconnect devices. A separate earth ground connection must be made to
ensure proper panel operation and lightning and transient protection. Connect the earth ground wire [minimum 14
2
AWG (2.00 mm
) to the earth ground stud in the cabinet. Do not use conduit for the earth ground connection since
the does not provide reliable protection.

Operating Power Connections

FIGURE 2-4:
Connect Earth Ground
Wire to earth ground stud
Earth
Neutral
Hot
411UDAC
Document #51073
2
) or heavier gauge wire with 600V insula-
Red
Black
12 VDC Battery
Rev. D 12/09/2008
P/N 51073:D
21

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Firewatch 411udac

Table of Contents