4
Introduction
XR2400F Installation Guide
Digital Monitoring Products www.dmpnet.com 2500 N. Partnership Boulevard Springfield, MO 65803
AC Connection
3.1 Transformers and AC Power Connection
The AC connection should be completed by a licensed electrician.
Never share the Fire Alarm Control Panel circuit with any other equipment.
The XR2400F comes supplied with two transformers: the 16.5 VAC 100 VA transformer and the 28 VAC 175 VA
transformer. The 28 VAC and 16.5 VAC transformers' white leads and black leads must be connected together
respectively. These wires must be connected to an unswitched 120 VAC 60 Hz power source with at least 1.85
Amps of available current.
Black wire - attach the black 120 VAC wire to the black wire of the transformers.
White wire - attach the white 120 VAC wire to the white wire of the transformers.
Green wire - attach the green wire lead to the green wire attached to the enclosure.
Figure 3: Transformers and AC Power Connection
Always ground the panel before applying power to any devices!
Use 18 AWG or larger for all power connections. The XR2400F must be properly grounded before connecting
any devices or applying power to the panel. Proper grounding protects against Electrostatic Discharge (ESD)
that can damage system components.
3.2 28 VAC Transformer
The 28 VAC Transformer supplies power to the AC terminals of the 504-24 Power Supply which is factory pre-
wired to the two 866 NAC modules. The 28 VAC is located in the upper right hand corner of the enclosure
surrounded by a metal divider. See Figure 3: Transformers and AC Power Connection. Also refer to 504-24
Power Supply Connection.
28 VAC Transformer
WH
IT
E
BL
A
C
K
BL
A
C
K
GR
E
E
N
WH
I
T
E
GR
E
E
N
16.5 VAC
Transformer
Terminal 1 Terminal 2
Factory assembled
and connected
To XR2400F Panel
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