Ac And Dc Power Connections; Ac Power Connection - Kidde ARIES Installation, Operation And Maintenance Manual

Attach shorter ground
door with washer-
and-screw assembly.
2-7

AC AND DC POWER CONNECTIONS

The control unit uses commercially- or end-user-provided AC power as the primary power
source, together with a 24 Vdc standby battery (when required by local codes and/or Authority
Having Jurisdiction [AHJ] requirements).
Two different sources of power can be connected to the control unit. Disconnect
both sources of power and critical components such as control heads for special
extinguishing systems and addressable pilot relays controlling facility-power
shutoff before servicing the control unit. The control unit and associated
WARNING
equipment may be damaged by connecting wiring while the control unit is
energized.
Use caution when connecting power. High-voltage and AC-powered circuits are
present in the control unit. Be sure to adequately ground the control unit to
WARNING
reduce the risk of electrical shock.
2-7.1

AC Power Connection

The primary AC power for the ARIES Control Unit is 120 Vac, 50/60 Hz, 3.2 A or
220/240 Vac, 50/60Hz, 1.6A. The default power configuration is 120 Vac and will require
resetting for 220/240 Vac operation. Configuration of primary AC power requires that the
power-selection switch on the side of the power supply be set correctly before the power
P/N 06-236530-001
wire to enclosure
Figure 2-7. PCB-to-Cabinet Grounding Diagram
TB1 TB15
4 3 2 1 4 3 2 1
J6
SLC RS 485
USB B
AC POWER
ALARM
PRE-ALARM
J10
TB3
Attach longer ground wire
+
+
to PCB with washer-and-
Batt Out
screw assembly.
240
Release 1
120 TB11
TB13
TB12
1 2 3 4
Earth-ground terminal for
power supply and green
wire of AC supply
2-11
J5 RS-232 A
J3
RS-232 B
J8
SYSTEM
SYSTEM TROUBLE
SILENCE
ACKNOWLEDGE
SUPERVISORY
SYSTEM
SCROLL
RESET
SILENCE
1 2 3 4 5
6 7 8 9 0
TB14
TB5
Release 2 Aux 24 VDC Combo 1 Combo 2
TB2 TB7 TB6
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
August 2013