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About the power supply
3.3
Scope of delivery
1 x Power supply unit
1 x USB stick with user manual
1 x Mains cord
4.
General
4.1
Prologue / Warning
This operating guide and the device are intended to be used
by users who know about the principle of a power supply. The
handling of the device should not be left to persons who are
unaware of the basic terms of electro-technology, because these
are not described in this manual. Inappropriate handling and non-
observance to the safety instructions may lead to a damage of
the device or loss of warranty!
4.2
Cooling
The air inlets on the side and the air outlet at the rear have to
be kept clean to ensure proper cooling. Take care of at least 10
cm distance at the rear to any surrounding objects in order to
guarantee unimpeded air flow.
4.3
Opening the device
When opening the unit or removing parts from the inside with tools
there is risk of electric shock by dangerous voltages. Open the
unit only at your own risk and disconnect it from the mains before.
Any servicing or repair may only be carried out by trained person-
nel, which is instructed about the hazards of electrical current.
5.
Installation
5.1
Visual check
After receipt, the unit has to be checked for signs of physical
damage. If any damage is found, the unit may not be operated.
Also contact your dealer immediately.
5.2
Mains connection
The unit is grounded via the mains cord. Thus the unit may only be
operated at a mains socket with grounding contact. This must not
be interrupted by an extension cable without ground conductor!
The unit is fused with a 5 x 20 mm safety fuse (for value see
technical specs table), which is accessible inside the mains socket
(models up to 640 W) or in the fuse holder at the rear.
5.3
DC output terminal
The power output is located on the front of the device.
The output is not fused! In order to avoid damage to the load
application, always take care for the nominal values of the load.
The cross section of the cables depends on several conditions,
like the output current, the lead length and the ambient tem-
perature.
Up to 1.5 m lead length we recommend to use:
up to 5 A:
0.5 mm²,
up to 15 A:
1.5 mm²
up to 40 A:
6 mm²,
per cable (flexible wire).
The outputs "+" and "-" are not grounded, so that one of them
may be grounded if necessary.
Operating Guide
PSI 8000 T Series
up to 10 A:
0.75 mm²
up to 20 A:
2.5 mm²
up to 60 A:
16 mm²
Attention!
The 4 mm socket on the DC output terminals of the 1000
W and 1500 W models is only specified up to 32 A!
Attention!
When grounding one of the output poles always check if
one of the poles of the load (eg. electronic load) is also
grounded. This could result in a short-circuit!
Attention!
Notice the potential shift of the output poles when using
series connection! Grounding is hereby only recommend-
ed at the pole with the lowest potential against ground.
5.4
Terminal „Sense" (Remote sense)
In order to compensate the voltage drop along the load cables
(max. 1 V per lead), the power supply can „sense" the voltage at
the load instead at the output. It will regulate the output voltage
so that the desired voltage is provided to the load.
The remote sense feature is wired with correct polarity to the
terminal Sense.
Attention!
(+) Sense must only be connected to (+) at the load ap-
plication and (–) Sense must only be connected to (–)!
Else both systems can take damage.
For additional information also see section „10.1 Remote sense".
5.5
Interface card slot
The unit can be equipped with an optional interface card. The
slot to insert the card is located at the rear side. Further informa-
tion about the interface cards can be found in section „8. Digital
interface cards".
Date: 02-05-2016
EN
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