Installation Instructions

LED Diagnostics:
Red (DC) Green (AC) Power Supply Status
ON ON Normal operating condition.
ON OFF Loss of AC. Stand-by battery is supplying power.
OFF ON No DC output. Short circuit or thermal overload condition.
OFF OFF No DC output. Loss of AC. Discharged or no battery present.
Terminal Identification:
Terminal Legend Function/Description
L, G, N Connect 115VAC to these terminals: L to Hot, N to Neutral, G to ground.
– DC + 24VDC @ 12A continuous supply current.
AC FAIL
NC, C, NO
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.
Low Battery
NC, C, NO
Used to indicate low battery condition, e.g. connect to alarm panel.
Relay normally energized when DC power is present. Contact rating 1A @ 28VDC
Low battery threshold: 24VDC output threshold set @ approximately 21VDC.
– BAT + Stand-by battery connections. Maximum charge rate 0.7A.
Fig. 1
NO C NC NO C NC
L G N
OLS 350
LOW BAT
– BAT+
– DC +
AC
DC
Altronix is not responsible for any typographical errors.
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IIOLS350 - Rev. 080609 H31U
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