Nemtek AGRI 80 User manual

AGRI 80, 150 and 200
Electric Fence Energizers
Instruction Manual

Introduction and Disclaimer 3
Guarantee 4
Nemtek Group Outlets 5
Foreword 6
Warnings and Instructions 7
Product Specifications 8
Product Identification and Energizer Description 9
Mounting the Energizer 10
Installation Instructions 11
Fence Wiring 12
Energizer Operation 15
Installation Notes 17
Appendix A 18
Appendix B 19
IEC Safety Information 22
Document Revision History 22
Table of Contents
2

3
INTRODUCTION
Thank you for choosing our product! Nemtek Electric Fence Energizers are designed
and manufactured to provide many years of reliable use, if installed and maintained
correctly. The guidelines provided in this manual will assist you in basic operation and
maintenance.
Currently this energizer is designed and manufactured in South Africa for the South
African and international markets. More information on our products and general
information are available on our web site at: http://www.nemtek.com
Electric fencing can be lethal. Please avoid entanglement/entrapment hazards (See
APPENDIX at the end of this manual) and warn the user to avoid head contact with the
fence.
DISCLAIMER
Nemtek Holdings (Pty) Ltd or any of its subsidiary companies does not guarantee that
the operation of the product will be uninterrupted or totally error free.
Energizer specifications may be altered without prior notification.
The installer is referred to the definitions and general requirements in the Appendix.
The installer must take into consideration the applicable municipal laws concerning the
installation of electric fences. General guidelines are available, or refer to the website:
http://www.nemtek.com. International standards can be viewed at
http://www.iec.ch and South African standards on http://www.sabs.co.za
Introduction and Disclaimer

4
GUARANTEE
The Agri Series of Electric Fence Energizers, manufactured by Nemtek, is guaranteed
for a period of two years from date of sale against defects due to faulty workmanship
or materials.
Nemtek will, at its discretion, either repair or replace a product that proves to be
defective.
Nemtek guarantees that the product, when properly installed and used in line with the
specification as determined by Nemtek from time to time, will execute its function of
generating a suitable potential. Nemtek does not guarantee that the operation of the
product will be uninterrupted and totally error free. Faulty units must be returned to
one of the Nemtek Group outlets. The buyer shall pay all shipping and other charges
for the return of the product to Nemtek or Nemtek Security Warehouse.
LIMITATION OF GUARANTEE
The guarantee does not apply to defects resulting from acts of God, modifications
made by the buyer or any third party, misuse, neglect, abuse, accident and
mishandling.
EXCLUSIVE REMEDIES
The remedies provided herein are Nemtek’s sole liability and the buyer’s sole and
exclusive remedies for breach of guarantee. Nemtek shall not be liable for any special,
incidental, consequential, direct or indirect damages, whether based on contact, tort,
or any other legal theory. The foregoing guarantee is in lieu of any and all other
guarantees, whether expressed, implied, or statutory, including but not limited to
warranties of merchantability and suitability for a particular purpose.
Guarantee

5
Nemtek Group Outlets
HEAD OFFICE & EXPORTS
Email: [email protected]
[e-mail]
Tel: [phone] Northriding Commercial Park
Fax: [phone] Stand 251, Aintree Street, Northriding
Randburg, South Africa
EDENVALE
Email: [email protected]o.za
Tel: [phone] Unit 4, Meadowdale Park
Fax: [phone] Corner Dick Kemp & Herman Roads
Meadowdale, Edenvale, South Africa
CAPE TOWN
Email: [email protected]o.za
Tel: [phone]B Concord Crescent, Airport City
Fax: [phone] Cape Town, South Africa
NELSPRUIT (MBOMBELA)
Email: [email protected].co.za
Tel: [phone] Waterval Ave, Riverside Industrial
Fax: [phone] Nelspruit, South Africa
KWAZULU-NATAL
Email: [email protected]o.za
Tel: [phone] Henwood Road
Fax: [phone] Pinetown, South Africa
PORT ELIZABETH (GQEBERHA)
Email: [email protected]a
Tel: [phone] Unit 4, 51 Leadwood Cresent,
Fax: [phone] Fairview, Port Elizabeth
BLOEMFONTEIN
Email: [email protected].co.za
Tel: [phone] Plot 42 Gemsbok Street, Unit 12
Quaggafontein, Bloemfontein
AUSTRALIA
Email: [email protected]
Tel: [phone] Unit 5, 19 Innovation Circuit,
Wangara, 6065, Perth, WA, Australia
EUROPE
Email: [email protected]
Tel: [phone] Sprendlingenstraat 18k
5061 KN Oisterwijk, The Netherlands
Website: www.nemtek.co.za
E-mail: [e-mail]
Manufactured in South Africa

6
Foreword
The Agri 80, 150 and 200 energizers are designed for energizing livestock and game
control electric fences and are not suitable for use in a security energizer group.
The Agri 80 is an 8 Joule current limited energizer and the Agri 150 and Agri 200 are
respective 15 and 20 Joule energy limited energizers.
The Agri 150 is a time delayed electric fence energizer and when it detects a very low
impedance at the output terminals it will limit the energy of its output pulses for a
delay time of 15 seconds, but permits the output impulses to rise above the normal
maximum allowed value of 5 Joule after the delay time.
Nemtek Connect
Nemtek Agri 80, 150 and 200 energizers can be upgraded for remote connectivity
through a smartphone application or internet browser via Nemtek Connect. Contact
Nemtek for more information on the hardware and software upgrades required.

7
Warnings and Instructions
Before doing an installation
The instructions in this manual must be fully complied with in every respect.
DANGER: Failure to comply with the instructions could lead to a fatal
electric shock.
- Check all local and international regulations for electric fencing regarding the
energizer and fence installation, i.e. allowed energy limits, warning signs,
distances from power or communication lines etc.
- With the Agri range of energizers only one energizer can be connected to the
electric fence.
- The Agri range of energizers are not security energizers but designed for
livestock and game control.
- Switch the energizer off before working on the fence.
- Do not open the energizer, there are no removable fuses or serviceable parts
inside the energizer. If the energizer is opened while operating it will switch to a
low energy mode and a Nemtek representative has to be contacted to reset the
energizer. The display will permanently show the warning triangle.
- Responsibility will not be accepted for any accident or damage caused by
tampering with and/or any attempted modification of this product.
- Always use materials that are appropriate and are designed for an electric fence
installation i.e. insulators, high voltage connecting wires and cables etc.

8
Product Specifications
AGRI
AGRI
AGRI
80 150 200
Power Supply 11-15Vdc 11-15Vdc 11-15Vdc
Power Consumption (100% effort) 8.5W 16.5W 23.5W
Max Output Energy 8J 15J 20J
Load @ Max Energy 95Ω 85Ω 70Ω
Max Stored Energy 10J 20J 29J
Maximum Fence Voltage 9.5kV 8kV 9.7kV
Environmental Rating IP65 IP65 IP65
Fence Wire Length Ideal Condition 80km 150km 200km
Fence Wire Length Average Condition 24km 42km 56km
Guideline PV Panel (location dependent) 80W 160W 240W
Guideline Battery Capacity AGM Pb 100Ah 200Ah 300Ah
Guideline Battery Capacity LiFePo4 50Ah 100Ah 150Ah
Note: All specifications and recommendations based on 1.5 second pulse rate
Maximum Fence wire length is depending on construction and vegetation

9
Product Identification and Energizer Description
The Agri 80, Agri 150 and Agri 200 can be identified by the label on the front of the
energizer or by the label on the side of the energizer. The energizer display will also
identify the energizer when it is switched off.
The connections for the DC supply, battery or power supply are located at the bottom of
the energizer. The red terminal is the positive input terminal and the black terminal is the
negative input terminal.
The Fence terminals are on the font of the energizer with the green earth terminal on the
left and the red high voltage output terminal on the right, which normally connects via
the lightning diverter to the fence.
A removable magnetic tag, located at the bottom of the energizer, can be used for
toggling the energizer On/Off by swiping it over the Nemtek tag symbol on the fascia, a
single beep will be heard from the buzzer inside the energizer.
It can also be used for toggling the energizer into Low/High energy mode by holding it
for three seconds over the Nemtek tag symbol on the fascia, a double beep will be heard
when it toggles.
Earth
Terminal
High Voltage
Terminal

10
Mounting the Energizer
Do not remove the lid
STEP 1: The energizer cardboard box
packaging has a drilling template printed on
the bottom. Use this template and drill 4 x
8mm holes in the wall for mounting the unit.
Four nail-in anchors are supplied with the unit.
Insert the plastic sleeve of the nail in anchor
into the wall then hammer the screw in with a
screwdriver and hammer. Leave a gap slightly
more than the thickness of the casing between
screw heads and wall. Position the casing so
that the screws go through the slots provided
then drop it into position. If necessary, tighten
the top 2 screws slightly more to secure the
casing. The bottom two screws will slot into
the casing for stability.
STEP 2:
Connect the Earth terminal of the energizer to
3 or more Earth spikes.
STEP 3:
Connect the HV output terminal to the
lightning diverter/Fence.
STEP 4:
Connect the DC terminals to the power supply
unit or to a battery. Red terminal is positive
and black terminal is negative.
Note: Energizer to be mounted vertically
against a flat surface, in a well-ventilated area.
Avoid prolonged exposure to direct sunlight.
Mounting Slots

11
Installation Instructions
- Install the energizer in a dry environment and out of direct sunlight.
- The energizer must be installed in a location that is not accessible to children.
- If the energizer is installed inside a cabinet ensure that there is adequate
ventilation.
- Install an external lightning diverter together with the energizer.
- If vented rechargeable batteries are used to supply the energizer ensure that
they are placed in a well-ventilated area.
- Non-rechargeable batteries should not be used in the supply circuit if the
energizer is powered by a mains supply unit.
- In South Africa the installation and erection of an electric fence is to be done
according to the latest edition of SANS 10222-3. Follow the relevant rules and
specifications if installing in other countries.

12
Fence Wiring
HOW AN ELECTRIC FENCE WORKS
In order for a fence to shock an animal an electrical circuit needs to be completed. The
energizer sends a high-voltage pulse through the fence live wires. The energizer needs to
be earthed.
When the animal touches the live wire, the pulse will flow from the live fence wires to
the animal, then into the earth, and back to the energizer, completing the circuit. The
completion of the circuit delivers a safe yet memorable, sudden and quick shock to the
animal.
The shock creates an unpleasant memory that animals generally recall. Different animals
may require different levels of voltage to create the appropriate shock depending on the
thickness of their coats or hides. Sheep, goats and wild animals generally require higher
voltage levels compared to horses, pigs and cows.
EARTHING THE FENCE
The earthing component of the fence is very important. Without adequate earthing, the
electrical circuit from the energizer will not be completed when the animal touches the
fence and the animal will receive an ineffective shock. The pulse needs to flow from the
animal through the soil or other earthing system back to the energizer. Generally, when
there is good soil moisture you require less additional earthing components on your
fence. Earthing conditions can vary depending on the season and the type of soil.
TYPICAL FENCE WITH GOOD EARTHING
If your earthing conditions are good all year round, you will only need live wires on your
fence (no earth wires). and a few earth spikes in the vicinity of the energizer.

13
Fence Wiring
TIPS FOR BETTER EARTHING
• Place your earth spikes in damp areas where possible.
• Earth spikes must be placed in the vicinity of the energizer. There should be at least
three earth spikes, placed a minimum of two meters apart.
• The earth spike connectors (at the top of the earth spike) should always be visible
for maintenance and ease of connection.
• Additional earth spikes can be connected to the earth wires of the electric fence.
(Ensure that the earth wires are connected to the earth input of the energizer)
• Earth spikes must be at least 10 meters away from electrical earth systems, e.g.
house mains, telephone and power lines.
TYPICAL FENCE WITH INADEQUATE EARTHING
If you have inadequate earthing due to poor soil conditions or seasonal changes in the
soil moisture levels, you will require additional earthing. You will need one or more earth
wires along your fence in addition to your live wires. Earth spikes will also need to be
placed along the fence. By introducing these additional earthing components, you
counteract any bad soil conditions to ensure that the electrical circuit back to the
energizer can be completed so that the animal receives an adequate shock.
LIGHTNING AND SURGE PROTECTION
The lightning inhibitor and diverter can be used to reduce the likelihood of a power surge
coming through the fence wires to the energizer as a result of lightning. It offers a two-
pronged approach. First it inhibits the lightning surge from damaging the energizer, and
second it diverts any lightning surge away from the energizer into the ground through
the earth spikes. It can be mounted onto a flat or round surface.

14
Fence Wiring
PERMANENT ELECTRIC FENCE
A permanent fence for game animals or livestock will require higher tensile strengths, be
more robust, have a longer life span and use more durable insulators and equipment.
Animals tend to run into the fence before seeing it and they could damage the fence,
especially in the dark.
LIVESTOCK POST AND WIRE SPACING

15
Energizer Operation
When the energizer is connected to a suitable DC supply (11-15Vdc) the LCD
backlight colour will indicate the state of the energizer.
Blue: The energizer is switched off
Green: The energizer is switched on and operating within acceptable limits
Amber: The energizer is switched on but operating outside acceptable limits
Red: The energizer could be on or off depending on service/alarm conditions
Blue: The energizer is off and the display
will show the energizer model in large
characters.
- The DC supply voltage to the energizer
is displayed in the top right corner
Green: The energizer is on and the LCD
displays shows the following:
- In large characters the output fence
voltage in kilovolts (kV) measured
between the Earth and HV terminal
- In large characters the output current
measured in Ampere (A) going into
into the fence
- In small characters the stored energy
inside the energizer measured in
Joules (J)
- In small characters the percentage (%)
effort that the energizer is working at to
achieve the indicated fence voltage
- If the input supply voltage drops
below the set level the green
display will go yellow/green
- If the input supply voltage drops
below the very low voltage setting
the green display will go yellow

16
Energizer Operation
Amber: The display will go amber when
the energizer is on but it is taking action to
keep the energizer operating correctly. The
display will show the same parameters as on
the green display.
- When the energizer effort is either
below or above set levels the display
will go amber
- If the energizer internal temperature is
high the energizer will start operating in
a reduced energy mode to prevent over
heating and the display will go amber
and will show a thermometer symbol
Red: The display will go red and the
energizer will switch off when the input
supply voltage drops too low for the
energizer to operate. The display will show
the word “bAtt” and in small characters the
supply voltage.
- If a service condition is detected the
energizer will switch off and the display
will go red, it will also show a picture of
a spanner
- When a heavy fence load has dropped
the output voltage at the HT terminals
below the set low fence voltage alarm
level, the energizer will keep on
operating but the display will go red and
show the same parameters as shown on
the green display
- If the internal temperature of the
energizer goes over a set level the
energizer will drop its output to a
very low energy level, the display
will go red and show the symbol
for a thermometer
- When the fence condition changes
to an extent that potentially there
could be an animal/human stuck in
the fence, the energizer will alarm
and the display will go red and
show the warning triangle. The
energizer will still operate but the
time between impulses will be
longer
- If a sudden decrease in fence load
is detected excess energy will be
diverted from the fence and the
display will go amber and will
show a triangle with an
exclamation mark

17
Installation Notes
• Keep the wires to the fence separate from mains and communication wiring.
• Do not try and modify the energizer. Any unauthorized modifications will null
and void the warranty and possibly render the unit illegal.
• Use HT (high voltage) wire between the fence and energizer, including the
earth wire. Never run these wires in the same conduit or through the same
hole as the low voltage wiring.
• Always use ferrules or line clamps to connect two high voltage wires together.
Avoid using dissimilar materials for connections like copper on steel.
• The fence must be earthed properly with three earth spikes close to the
energizer. The distance between the fence earth spikes and any other earth
systems shall be not less than 10m for an agricultural fence installation.
(Typically, a rural property installation.)
• Always test the fence after installation for correct short and open-circuit
alarming at various points along the fence.
• Refer to the applicable laws concerning the installation of electric fences in
your area.

18
Basic definitions
• Electric Fence:
A barrier which includes one or more electric conductors, insulated from earth, to
which electric pulses are applied by an energizer.
• Connecting Lead:
An electric conductor, used to connect the energizer to the electric fence or the
earth electrode.
• Electric Animal Fence:
An electric fence used to contain animals within or exclude animals from a particular
area.
• Public Access Area:
Any area where persons are protected from inadvertent contact with pulsed
conductors by a physical barrier.
• Pulsed Conductors:
Conductors which are subjected to high voltage pulses by the energizer.
• Earth Spike:
Metal structure that is driven into the ground near an energizer and connected
electrically to the fence earth terminal of the energizer, and that is independent of
other earthing arrangement.
Appendix A

19
Appendix B
General requirements for electric fences
Electric fences and their ancillary equipment shall be installed and operated and
maintained in a manner that minimizes danger to persons, animals or environment,
Electric fence constructions which are likely to lead to the entanglement of animals or
persons shall be avoided, as entrapment can be lethal.
An electric fence shall not be supplied from two different energizers or from independent
fence circuits of the same energizer.
For any two different electric fences, each supplied from a different energizer with
independent timing, the distance between the wires of the two electric fences shall be at
least 2.5m. If this gap is to be closed, this shall be affected by means of a physical
barrier of high voltage electrically non-conductive material or an earthed conducting
material such that the two separate electric animal fences cannot be contacted at the
same time.
A spacing of 2.5m shall be maintained between non-insulated connecting leads supplied
from separate energizers. This spacing may be less where insulated cables are used or
sleeving rated at 10kV.
Barbed wire or razor wire shall not be electrified by an energizer or placed physically
close to an electric fence as these circumstances can create a lethal
entanglement/entrapment hazard.
A non-electrified fence incorporating barbed wire or razor wire may be used to support
one or more off-set electrified wires of an electric animal fence. The supporting devices
for the electrified wires shall be constructed so as to ensure that these wires are
positioned at a maximum distance of 150mm from the vertical plane of the non-
electrified wires. The barbed wire and razor wire shall be earthed at regular intervals.
A distance of at least 10m shall be maintained between the energizer earth electrode
and any other earthing system connected parts such as the power supply system
protective earth or the telecommunication system earth.
Any part of an electric fence which is installed along a public road or pathway shall be
identified at frequent intervals by prominently placed warning signs securely fastened to
the fence posts or firmly clamped to the fence wires. The size of the warning signs shall
be at least 100mm x 200mm. The background colour of both sides of the warning plate
shall be yellow. The inscription on the plate shall be in black.

20
Appendix B
The warning sign shall typically appear as depicted in the figure below or have the
substance of “CAUTION: Electric fence”. The inscription shall be indelible, inscribed on
both sides of the warning plate and have a height of at least 25mm.
The warning sign should be legible from the secure area and the public access area.
Where an electric animal fence crosses a public pathway, a non-electrified gate shall be
incorporated in the electric animal fence at that point or a crossing by means of stiles
shall be provided. At any such crossing, the adjacent electrified wires shall carry warning
signs.
Warning signs shall be place adjacent to each sign related to chemical hazards for the
information of emergency services
Gates in electric animal fences shall be capable of being opened without the person
receiving an electric shock.
Connecting leads that are run inside buildings shall be effectively insulated from the
earthed structural parts of the building. This may be achieved by using insulated high
voltage cable.
Connecting leads that are run underground shall be run in a conduit of insulating
material or else insulated high voltage cable shall be used. Care shall be taken to avoid
damage to the connecting leads due to external factors.
Connecting leads shall not be installed in the same conduit as the mains supply wiring,
communication cables or data cables.
Connecting leads and electric fence wires shall not cross above overhead power or
communication lines.
Mains supply wiring shall not be installed in the same conduit as signaling leads
associated with the electric security fence installation.