LED
Red (DC)
Green (AC)
ON
ON
ON
OFF
OFF
ON
OFF
OFF
Red (Bat)
Battery Status
ON
Normal operating condition.
OFF
Battery fail/low battery.
Terminal Legend
L, G, N
+ DC – **
AC FAIL
NO, C, NC
BAT FAIL
NO, C, NC
+ BAT – ***
**
AL1012ULXB terminals marked [– DC +]
*** AL1024ULXB2 terminals marked [– BAT +]
MaxiFit11E/13E/33E/35E/37E/55E/75E/77E Expandable Power Systems Installation Guide
Power Supply Board LED Diagnostics:
Power Supply Status
Normal operating condition.
Loss of AC. Stand-by battery is supplying power.
No DC output. Short circuit or thermal overload condition.
No DC output. Loss of AC. Discharged battery.
Terminal Identification:
Function/Description
Connect 115VAC to these terminals: L to hot, N to neutral (Fig. 1a, pg. 4).
Refer to MaxFit E Series Configuration Chart, pg 2.
Used to notify loss of AC power, e.g.connect to audible device or alarm panel.
Relay normally energized when AC power is present. Contact rating 1A @ 28VDC.
AC or brownout fail is reported within 1 minute of event.
To delay reporting for up to 6 hrs., cut "AC Delay" jumper and reset power to unit
(Fig. 1b, pg. 4).
Used to indicate low battery condition, e.g. connect to alarm panel.
Relay normally energized when DC power is present. Contact rating 1A @ 28VDC.
A removed battery is reported within 1 minute.
Battery reconnection is reported within 1 minute.
Low battery threshold: approximately 21VDC (Fig. 1b, pg. 4).
Stand-by battery connections (Fig. 1c, pg. 4).
MaxFit3E and MaxFit5E maximum charge current 0.7A.
MaxFit7E maximum charge current 3.6A.
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