Securitron BPS-12_24-1 - Manual

Securitron Magnalock Corp. www.securitron.com
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© Copyright, 2011, all rights reserved PN# 500-21900
Page 1 Rev. F, 06/11
SECURITRON POWER SUPPLY MODEL BPS-12/24-1
OPERATION AND INSTALLATION INSTRUCTIONS
1. DESCRIPTION
Securitron's Model BPS-12/24-1 is a field selectable 12 volt DC or 24 volt DC, 1 Amp power
supply delivered in a single lockable enclosure with the line voltage connection to be made by
screw terminals. The unit features a regulated output with an independent sealed lead acid/gel
cell battery charging capability. The voltage levels of the dedicated battery charging circuit track
the selector switch SW1 and are indirectly current limited to a maximum of 100mA. The output
MUST NOT be adjusted! This unit meets Class 2 electrical requirements, which means under
the National Electrical Code that output wiring need not be in conduit. Always check with your
local building department to make sure you are complying with applicable wiring codes before
installing these units. (Canada only: For C-UL listed applications the unit shall be installed in
accordance with Part 1 of the Canadian Electrical Code). Note that a special version of the
BPS-12/24-1 operates on 220 VAC input. This carries the part number: BPSH-12/24-1
and has not been investigated by UL.
2. SAFETY
Two hazards are present in the BPS-12/24-1 supply. Line voltage input presents a high
voltage shock hazard and the battery output presents a high energy hazard. If shorted, the
battery output can generate sufficient heat to ignite some materials. To insure safety, note first
that the cover LED is on whenever the supply offers danger, which is either if it is receiving line
voltage or if batteries are operating. The supply must only be opened by trained service
personnel. The AC Power Green LED located on the control board is lit when AC
voltage is present on the Red, Orange and Yellow transformer wires. The DC Power
Red LED is lit when the supply is receiving line voltage or if the batteries are
operating.
WARNING: If a battery pack is installed, the battery pack voltage must match the
setting of the 12V/24V selector switch on the control board. If a 12V battery is
installed the 12V/24V selector switch must be set to 12V. If a 24V battery is installed
the 12V/24V selector switch must be set to 24V.
3. OPERATING CHARACTERISTICS
3.1 LINE VOLTAGE INPUT
120 VAC should be input to terminals "H", "N", "G", as shown in the drawing. The line voltage
current drawn by the power supply module will be approximately 500 mA. Note that a special
version of the power supply (BPSH-12/24-1) accepts 220 VAC input.
3.2 DC OUTPUT AND VOLTAGE ADJUSTMENT
The DC voltage of the supply is selected by the 12V/24V Selector Switch. The supply is
capable of outputting 1 Amp when set at precisely 12V or 24V DC.
3.3 LED INDICATORS
The AC Power Green LED located on the control board is lit when AC voltage is present on the
Red and Orange transformer wires. The DC Power Red LED is lit when the device is supplying
DC voltage or if the batteries are supplying the operating power. The front cover LED is lit when
voltage is present on the power supply before the Polyswitches. The status of LEDs can be used
to diagnose certain fault conditions and are listed in the table below: