Nemtek MERLIN II M, MERLIN M-25, MERLIN M-28 User Manual

Merlin II M-Series User Manual

4

GUARANTEE

The Merlin range of energisers, manufactured by IO Tech Manufacturing (Pty) Ltd, are
guaranteed for a period of one year from date of sale against defects due to faulty
workmanship or materials.

IO Tech Manufacturing (Pty) Ltd will, at its discretion, either repair or replace a product that
proves to be defective.

IO Tech Manufacturing (Pty) Ltd guarantees the product, when properly installed and used
in line with the specification as determined by IO Tech Manufacturing (Pty) Ltd from time to
time, will execute its function of generating a suitable potential. IO Tech Manufacturing (Pty)
Ltd does not guarantee that the operation of the product will be uninterrupted or totally error
free. Faulty units must be returned to: Nemtek (Pty) Ltd, 64 Vervoer Street, West Industrial
Park, Kya Sand, Gauteng, South Africa. Buyer shall pay all shipping and other charges for
the return of the product to Nemtek.

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 IO Tech’s sole liability and buyer’s sole and exclusive
remedies for breach of guarantee. IO Tech Manufacturing (Pty) Ltd shall not be liable for any
special, incidental, consequential, direct or indirect damages, whether based on contract,
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.

NEMTEK GROUP OUTLETS

Nemtek One Stop Security Shop Sparkline

Randburg Germiston Edenvale

!!!!([phone] !!!!([phone] !!!!([phone]

Web Site: http//www.nemtek.com

E-mail: [e-mail]

MANUFACTURED IN SOUTH AFRICA

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1

Merlin II M-Series User Manual

2

What is your electric fence?

An electric fence system consists of electric wires carrying high voltage electric pulses that
provide a non-lethal repulse shock to an intruder. The system monitors for any tampering
on the fence.

How does your electric fence work?

The energiser generates high voltage pulses from a built-in battery source. These pulses
get fed via high voltage cables to the fence. The energiser also monitors for a loss of
voltage on the fence that will cause an alarm to be activated

Does your fence need maintenance?

Keep any vegetation away from the fence and make sure the mains supply to the system is
not interrupted.

What the lights mean.

Power

Light

On

Light

Gate

Light

Service

Light

Good
Light

Check

Light

Alarm

Light

Remarks

Fence

Good

ON ON OFF OFF

SLOW

FLASH

OFF OFF

Fence on, work­ing properly

Mains

Failure

OFF

System on

battery power

Battery

Low

SLOW
FLASH

Check mains

supply

Battery

Flat

SLOW
FLASH

SLOW

FLASH

FAST

FLASH

Check mains,

call for service

Fence

Off

OFF

Fence

switched off

Fence
Check

ON

SLOW

FLASH

SLOW

FLASH

OFF

Check fence
for vegetation

Fence
Check

ON

SLOW

FLASH

OFF

Check fence
for vegetation

Fence
Alarm

ON

FAST

FLASH

Problem on
fence

Service

Alarm

FAST

FLASH

Call for service

Gate

Open

FAST

FLASH

Gate i s open

Alarm

Memory

ON ON ON

Old alarm
condition

What do you do after alarm activation?

Determine the type of alarm from the table above and reset the alarm by switching the
energiser off with the key-switch mounted on the side of the unit. Investigate the cause of
the alarm and correct it. The alarm will not activate again unless the fault is cleared and the
unit is switched on.

Merlin II M-Series User Manual

3

What can activate the alarm?

1. Fault on the fence that persists for more than 3 seconds.

2. A service fault caused by a faulty energiser, siren, strobe light, keypad or a low battery.

3. The gate left open for more than 4 minutes, this time delay can be changed via the
keypad.

What will happen if you don’t reset the alarm?

The strobe light and buzzer will be on till you reset the unit. The alarm will sound for 4
minutes and then switch off for 5 minutes. This on-off cycle will repeat four times, after that
the alarm will not sound again until you cleared the fault and reset the unit. The alarm on­off and cycle times can be changed with the use of a keypad.

How do you know your fence is working?

You can determine the condition of the electric fence by looking at the indicator lights on
the energiser unit or keypad. Under normal operating conditions the unit must indicate a
Fence Good condition as shown in the table. It is advisable to test the electric fence system
from time to time by putting a short on the fence.

Merlin Specifications: | M-28 | M-25

Gate inputs: Two potential free contact inputs with built-in delay.
Siren output: One 12 Volts DC relay switched, fuse protected output.
Strobe light outputs: Two 12 Volts DC relay switched, fuse protected outputs.
Strobe and Siren current: 1.75 Amps in total maximum.
Keypads: Up to 4 Merlin Keypads or Merlin Fence Monitors
Standby battery: One 7AH 12Volts Lead-acid battery
Charging Voltage: 16 Volts AC or 18 Volts DC
Standby time: 7-8 Hours 9-10 Hours
Power Consumption: 14 W (Norm), 30 W (Max) 10 W (Norm), 30 W (Max)
Output Energy @ 500Ω:

8 Joules (Max) 5 Joules (Max)

Output Voltage @ 500Ω:

5800 Volts
Output Voltage No Load: 7800 Volts
Weight Including Battery: 9.5kg
Dimensions: 350mm x 235mm x 125mm