Instruction manual

3.3 AC Input Connection
3.3.1 Board-Level Supplies
Board-level units need to be connected to an appropriate low-voltage AC supply voltage of a
sufficient VA rating (See Table 3.1). The connection is made on TB1 at the terminals labeled “Low
Voltage AC Connect.” The phase of this connection is not important.
3.3.2 Cabinet-Level Supplies
Cabinet-level supplies are pre-fitted with a hardwired transformer of the correct voltage. The
connections should be made as follows:
y Black Hot
y White Neutral
y Green Earth Ground
Note - The Green or Green/Yellow earth ground wire should always be connected first or
disconnected last for safety.
Note - All wiring should be installed in accordance with (NEC760) NFPA70, NFPA72, and all local
code requirements. Power limited wiring requires that power limited and non-power limited wiring
remain physically separated. All power limited circuits must remain at least one quarter inch (¼”)
away from any non-power limited circuit wiring. All power limited circuit wiring must enter and exit
the cabinet through different knockouts than non-power limited wiring.
3.4 Battery Terminals
The PS2/3/5 has one set of battery terminals labeled Battery Connect +/- which will charge a sealed
lead acid / gel cell battery set for backup of the output voltage. The battery terminals are fuse
protected.
Caution - Observe the polarity of the battery terminals with respect to the battery set or damage to
the load, power supply, or battery set may occur.
Note - The DC output current deducts from the current available to charge the battery set. For
example, a PS5 with a 3.5ADC output load, would only have 0.5A available to charge the battery set.
This will impact the recharge time of the battery set.
Note - Series-connected batteries should always be of the same amphour capacity, age, and
state-of-charge to prevent battery / system damage.
Note - It is the responsibility of the installer to determine the minimum battery requirement for the
particular application in which the supply is being used. Backup batteries should be serviced at
regular intervals as determined by local and/or national codes.
PS2/3/5 Installation Instructions
8/23/2007, 2:51:41 PM
52-133 Rev B.01
Page 8 of 16
AlarmSaf 65A Industrial Way, Wilmington, MA 01887 978 658 6717 www.alarmsaf.com