User manual

Product-
information
Nominal voltage / capacity
230 VAC +/- 10 %, 16 Amp., 2300 watt filament lamp load
Mechanical durability of the relay
approx. 15.000.000 operating cycles
Residual ripple (nominal/typical/maximum)
< 2 mV / < 4 mV / < 8 mV
Monitoring voltage
Building biology compatible DC voltage (max. 8mA / 230 VDC
Single-poled disconnection for optimum operator protection. A mini-
mum residual ripple is quaranteed by a low resistance PTC connection
to the terminal "neutral".
Innovation
Various granted and pending patents are an impressive proof of our
technical superiority in comparison with the state-of-the-art compared
with other devices on the market.
Safety
The Demand Switches NA1 comfort to NA8 comfort were the first
"decouplers" ever to be certified the VDE (the Association for Electri-
cal, Electronic & Information Technologies) certificate for fulfilling the
severe safety regulations. VDE identification number: 40000677
Practical efficiency
The Gigahertz Solutions Demand Switches have been installed by
many experienced electrical engineering technicians for many years.
They are on the recommendation lists of renowned building biologists
and are in use in thousands of households every day.
Two years guarantee
Developed and produced by
GIGAHERTZ SOLUTIONS Ltd
Am Galgenberg 12, 90579 Langenzenn
Germany
Tel. [phone], Fax [phone]
www.gigahertz-solutions.de
Further information and answers to frequently asked questions on
mains disconnection and field strength measurement techniques to
be found in the internet under: www.gigahertz-solutions.de
Errors and alterations excepted. No liability assumed for inappropriate use.
DRU0171 KW442006
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Innovative Electronic
EMF and RF-Technology
Made in Germany
Further operative notes
The circuitry used here is the only one on the market with the ability to
"identify" all normal electronic consumers.
However, exceptions can never be completely excluded. In this case,
briefly make use of an auxiliary electrical load (e.g. a filament bulb) in
order to energise, or switch on a base load (available as accessory) some-
where on the circuit.
Even impulse relays with a control voltage of 230 Volt will normally not
impede the trouble-free function of this Demand Switch. Impulse relays
are employed, for instance, for lights in corridors or staircases when these
are to be operated from various switches (push buttons).
In the case of external overvoltage being applied, an internal overheating
protection could be the reason for the Demand Switch not to be able to
decouple by itself. If this happens, it is necessary to switch off the main
overcurrent upstream circuit breaker for about one minute and then switch
it on again in order to re-initialise the device. Leave about 1 cm space to
the left and to the right of the Demand Switch for temperature compensa-
tion.
Our ultima-series offers the possibility to automatically decouple a large
number of the problem consumers mentioned below point 6 (on the rever-
se page). Further information available et al. in the internet under
www.gigahertz-solutions.de.
Demand Switch
NA7 comfort
Installation and
operating instructions
Product information
Please make absolutely sure to carefully read these
operating instructions prior to initial operation.
You will find important information on the safety, the
installation and the use of the device.
A Demand Switch -
what for?
Electricity has become indispensable for every day life. The use of electri-
city inevitably causes alternating electrical and magnetic fields. The effect
of these electrical and magnetic fields on the human oraganism has been
the subject-matter of many international studies with some concerning
results.
At present, the "safe" levels of electric and magnetic fields are still to be
determined, but it is now agreed by many doctors and scientists that the
levels should be reduced on the principle of ALARA (As Low As Reasona-
bly Achievable). Magnetic fields should be measured and any wiring faults
corrected. Electric fields can only be reduced by using electrically scree-
ned cables or using a "Demand Switch" whichremove the high (230 volt)
supply when there is no load on the circuit that needs power. This is par-
ticularly useful at night-time.
A reliable Demand Switch optimised according to building biology criteria
can substantially reduce your daily exposure without your being inconve-
nienced..It is for this reason that many experts recommend the decoupling
from the mains (often also called "isolation") as a first and important tech-
nical step to be implemented when reducing alternating electrical and
magnetic fields.
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