Installation manual
UNIPOWER
Installation manual PQ Secure
7
1 SAFETY INFORMATION
This section contains basic safety instructions relating to this product, which are always applicable
unless expressly stated otherwise. Read through all the information before starting work on the
product.
Authorised and well-informed personnel must only use the recorders, because normal use of
the instrument involves dangerous high voltages, which can cause death or serious injury.
Trained Unipower personnel may only carry out any intervention in the measure instrument.
1.1 Installation conditions
Make sure the area in which you plan to install the measure instrument is clean, dry and dust-free.
Follow these recommendations to maintain a safe working environment and to avoid accidents:
Avoid installing and handling the instrument if there is a risk of thunderstorms, as these can
cause injury or damage.
Check that the installation site has no unprotected wires and standing water near the measure
instrument.
The instrument case must never be dismantled under any circumstances.
Make sure that no loose or hanging items, e.g. chains, bracelets, etc., can cause problems
during installation.
Use gloves and a helmet if there is a risk you might come into contact with live components.
Follow the applicable electrical rules at the installation site.
Never work on electrical installations on your own.
1.2 Installing the instrument
The following conditions must be met in order to achieve the best measurement results, to avoid
installation errors and to exclude the risk of accidents:
You must always connect the transducers to the inputs of the measuring instrument before
turning on the power.
You must never connect/disconnect the transducers while the measuring instrument is live.
Make sure that the measuring instrument is always connected to protective earth before
measuring transducers are installed and during the measuring process.
Use the measuring device within the electrical ratings indicated on the transducers or on the
case of the measuring instrument.
1.3 Power supply
Use a "clean" and regulated power source, free of surges and line noise. If a suitable DC voltage is
available this is preferred choice. If there is no station/internal battery backup, Unipower