Field Wiring The Mps-24A Or Mps-24Ae Power Supply - Notifier AM2020 User Manual

Secondary Power
27.6 V DC, supervised and power-limited.
Fast charge = 2 amps, trickle charge = 20 mA.
Battery -
Battery +
P I R M
P o w r e
S u p p y l
M P S 2 - 4 A
( m x a m i u m )
M P S 2 - 4 A E
2 2
( m x a m i u m )
Neutral Out
Neutral In
Earth Ground
Connect to chassis via a
Grounding Cable Assembly.
1-44
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A R Y P O W E R
A C H Z a m p s
1 2 0 V 5 0 6 / 0 1 8 .
0 2 / 4 0 V 5 0 6 / 0 0 9 .
Hot In
Hot Out
JP1: When
employing a
CHG-120,
Remote Battery
Charger JP1
must be cut.
3 amps maximum non-fire alarm load.
6 amps maximum fire alarm load.
For additional ratings, refer to Appendix A.
Four-Wire Smoke Detector Power
24V DC ( 200 mV ripple), 1 amp maximum. Filtered and resettable.
Power-limited but must be supervised via a Power Supervision
Relay.
+ -
Battery Fuse (10A, 3AG)
MPM-2 Voltmeter/Ammeter Connector
+
Notification Appliance/
Annunciator Power
-
Power-limited, filtered, non-resettable, 3 amps
(in alarm) maximum. JP5 may be cut to convert
this notification appliance power (TB3 Terminals
3 and 4) to a resettable, 2-amp maximum circuit.
This output can also be used to power ACS
series annunciators (do not cut JP5).
Power Ribbon Connector
Connect to P2 on the CPU-2020 or CPU-2
Power Harnesses (P2, P4)
Connect to Plug A on the top of the ICA-4/
ICA-4L (3 amps maximum, P2 and P4
combined) or any other module or board
requiring internal power.
Not used with the
AM2020/AFP1010.
Make no connection
here.
Cut R27 to disable
Earth Ground Fault
Detection.
LED Indicators
Earth Ground Fault
Battery Fail
AC Power Fail
NiCad High Charge Rate
JP5: Cut to make
notification appliance
power on TB3
Terminals 3 and 4 a
resettable 2-amp
maximum circuit.
JP2: must be cut
otherwise a short on the
notification appliance
power circuit (Terminals
3 and 4) would register
incorrectly as a loss of
primary (AC) power.
Installation 15088:J 10/22/99