U S E R M A N U A L E P S - D
Technical specifications and data are subject to change without any prior notice.
1
Introduction
PS-D stands for Effekta Power Systems Digital and is a series of wall
mounted static inverters from Effekta Power Systems AB. These come
in 9 different sizes and are designed to supply emergency lighting for at
least 1 hour with 230 VAC/50 Hz.
EPS - D is a microprocessor-based emergency power supply unit and is available
in sizes 150/300/450/600/750/900/1200/1500/2000 VA. These inverters can be
loaded from 120W / 150VA, on the smallest unit, up to 1600W / 2000VA on the
largest unit. The smallest size that can handle a load of up to 120W / 150VA is
called EPS150D . The largest unit, called EPS2000D, can handle a load up to
1600W / 2000VA.
These Units are offered as a low cost alternative to larger units, installed typically
on a floor by floor basis as a wall mounted unit. Standard alarm outputs allow easy
integration to building Management Systems
EPS-D can be used both for luminaries with electronic ballasts and luminaries
with conventional ballasts. However, in the case of luminaries conventional
ballasts they have to be compensated up a power factor of at least 0.8. In case of
uncompensated luminaries, please refer to your retailer for advice. The EPS-D is
dimensioned to supply the maximum load for at least the duration of 60 minutes.
The unit has four individually controlled outputs for a maximum freedom of
choice to connect maintained and non-maintained lighting. The outputs can be
loaded with 4A RMS.
Each output is fused and has a fuse monitoring. They are also continuously
monitored against overload and earth leakage (selectable 30mA-100 mA -300mA).
Factory setting is 30mA. The monitoring of the earth leakage can be turned off.
These models have built-in inputs for test / fire alarm / energy saving / sub-
central. If activated the inputs either are lighting up all the outputs of the network,
start load supplied by battery or switch off all outputs.
Load and battery monitoring is automatically performed each week by self-test.
The load is monitored with the 45W deviation tolerance as standard on all
outputs. When the using LED luminaries as load the deviation tolerance can be set
to detect that one LED luminary goes out. Suggested setting for the tolerance is
2W.
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