Fire-Lite MS-9050UD - Relays

MS-9050 Series Manual — P/N 52413:F 10/22/2010 29
Relays Installation
2.4 Relays
The FACP provides two programmable Form-C relays and one fixed fail-safe Form-C trouble
relay, all with contacts rated for 2.0 amps @ 30 VDC (resistive) or 0.5 amps @ 30 VAC (resistive).
Note that relay connections must be nonpower-limited. Refer to UL Power-limited wiring require-
ments.
AC Connection to
Transformer leads:
HOT
NEUTRAL
Battery Connection
to J1 on FACP
Ground Stud
9050udpowr.cdr
Figure 2.5 Relay Terminals
Relay contacts shown with power applied to panel
and no active troubles, alarms or supervisories
Note that the programmable relay
labeled as Relay 1 is factory default
programmed as Alarm and
programmable Relay 3 is factory default
programmed as Supervisory. The relay
labeled Relay 2 is fixed as a Trouble
relay and cannot be changed. It is a fail-
safe relay which will transfer on any
trouble or total power failure.
9050udrely.wmf