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Try to think ahead, observe what is going on and use
common sense when working with the device.
b)
Do not use the device in a potentially explosive
environment, for example in the presence of
flammable liquids, gases or dust. The device
generates sparks which may ignite dust or fumes.
c)
If you discover damage or irregular operation,
immediately switch the device off and report it to a
supervisor without delay.
d)
If there are any doubts as to the correct operation
of the device, contact the manufacturer's support
service.
e)
Only the manufacturer's service point may repair the
device. Do not attempt any repairs independently!
f)
In case of fire, use a powder or carbon dioxide
(CO
) fire extinguisher (one intended for use on live
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electrical devices) to put it out.
g)
Children or unauthorised persons are forbidden to
enter a work station. (A distraction may result in loss
of control over the device).
h)
Regularly inspect the condition of the safety labels. If
the labels are illegible, they must be replaced.
i)
Please keep this manual available for future
reference. If this device is passed on to a third party,
the manual must be passed on with it.
REMEMBER! When using the device, protect
children and other bystanders.
2.3. PERSONAL SAFETY
a)
Do not use the device when tired, ill or under the
influence of alcohol, narcotics or medication which
can significantly impair the ability to operate the
device.
b)
The device is not designed to be handled by persons
(including children) with limited mental and sensory
functions or persons lacking relevant experience
and/or knowledge unless they are supervised by
a person responsible for their safety or they have
received instruction on how to operate the device.
c)
When working with the device, use common sense
and stay alert. Temporary loss of concentration while
using the device may lead to serious injuries.
d)
To prevent the device from accidentally switching on,
make sure the switch is on the OFF position before
connecting to a power source.
e)
The device is not a toy. Children must be supervised
to ensure that they do not play with the device.
f)
Do not touch the metal parts of the terminals/output
sockets. It may cause an electric shock.
2.4. SAFE DEVICE USE
a)
Do not use the device if the ON/OFF switch does not
function properly (does not switch the device on and
off). Devices which cannot be switched on and off
using the ON/OFF switch are hazardous, should not
be operated and must be repaired.
b)
Disconnect the device from the power supply
before commencement of adjustment, cleaning and
maintenance. Such a preventive measure reduces
the risk of accidental activation.
c)
When not in use, store in a safe place, away from
children and people not familiar with the device who
have not read the user manual. The device may pose
a hazard in the hands of inexperienced users.
d)
Keep the device in perfect technical condition.
e)
Keep the device out of the reach of children.
f)
Device repair or maintenance should be carried out
by qualified persons, only using original spare parts.
This will ensure safe use.
g)
To ensure the operational integrity of the device, do
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not remove factory-fitted guards and do not loosen
any screws.
h)
Do not move, adjust or rotate the device in the
course of work.
i)
Do not leave this appliance unattended while it is in
use.
j)
Clean the device regularly to prevent stubborn grime
from accumulating.
k)
The device is not a toy. Cleaning and maintenance
may not be carried out by children without
supervision by an adult person.
l)
Do not place heavy objects on the device housing.
m)
Avoid impacts or incorrect handling to prevent
damage to the device.
n)
Some parts of this appliance can get very hot. To
avoid injury, be careful when touching these surfaces.
o)
Do not use the power adapter under the full load for
a long period of time; it may cause damage to the
device.
p)
The output voltage of the power supply should
not exceed the input voltage of the device being
powered. Excessively high voltage may damage the
powered device.
q)
Before each change of the power adapter operation
mode, first disconnect the connected external load
wires.
r)
Do not switch the device on and off too often, as
this may shorten its lifespan. Each time the power
is turned on; there is a 2-3 second transient
preparation time. After the power is turned off, the
transient preparation is 1-2 seconds.
s)
The device is intended for indoor use
t)
If the device works with inductive load, such as
produced by magnetic coils, DC motors, stepper
motors, etc., remember to slowly change the
voltage/current. NEVER turn the power on or off with
inductive load connected.
u)
Do not turn power supply on or off when connected
to load.
ATTENTION! Despite the safe design of the device
and its protective features, and despite the use of
additional elements protecting the operator, there
is still a slight risk of accident or injury when using
the device. Stay alert and use common sense when
using the device.
3. USE GUIDELINES
The device is designed to supply external devices with
direct current of a specific voltage. The user is liable
for any damage resulting from unintended use of the
device.
3.1. DEVICE DESCRIPTION
1
2
3
4
6
5
7
7a
7b 7c
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15
16
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1.
Output current value display
2.
Coarse current value adjustment knob
3.
Exact current value adjustment knob
4.
LED: current intensity stabilization mode
4.
LED: OTP overheating protection activity (until the
device is too hot, the output power will be turned off)
5.
LED: CC current stabilization mode
6.
ON/OFF button
7.
Output sockets with a maximum current at 10A,
7a.
Negative polarity output socket (-)
7b.
Grounding outlet socket (GND)
7c.
Positive polarity Output socket (+)
8.
Output voltage ON/OFF button
9.
LED: CV voltage stabilization mode
10.
LED: protection activity against overvoltage OVP
(when OVP is active output power is turned off)
11.
Exact voltage value adjustment knob
12.
Coarse voltage value adjustment knob
13.
OVP control (overvoltage protection). Adjust with a
small screwdriver.
14.
Output voltage value Display
15.
Positive polarity (+) output terminal
16.
Negative polarity (-) output terminal
17.
Grounding outlet socket (GND)
18.
Fuse socket
19.
Power input socket
20.
Fan
3.2. PREPARING FOR USE
Appliance location
The temperature of environment must not be higher than
40°C and the relative humidity should be less than 75%.
Ensure good ventilation in the room in which the device is
being used. There should be at least 10 cm distance between
each side of the device and the wall or other objects. Keep
the device away from hot surfaces. The appliance should
always be used on an even, stable, clean, fireproof and dry
surface protected from adverse weather conditions, e.g.,
rain or direct sunlight, and the risk of getting wet. Children
and persons with limited mental functions may not have
access to the device. The device must not be exposed to
vibrations. Position the device such that you always have
access to the power plug. The power cord connected to the
appliance must be properly grounded and correspond to
the technical details on the product label.
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3.3. DEVICE USE
1)
Place the device on a stable surface and connect the
12
power cable to a power source in accordance with
11
the power supply name plate.
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2)
Study the power parameters of the device when
connected to the power supply.
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3)
Turn the device on by pressing the On/Off (6) button.
4)
Set the voltage or current limit values and protection
against overvoltage:
a) Setting the voltage value limit:
• Turn the current adjustment knobs (2) and (3)
clockwise to the maximum.
• Set the preferred value using the voltage
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adjustment knobs (11) and (12).
• Switch off the device pressing the On/Off button
(6).
b) Setting the current limit:
• Set the voltage value between 3 ÷ 5V using knobs
(11) and (12)
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• Turn the current adjustment knobs (2) and (3) to
a minimum.
• Switch the appliance off by pressing the On/Off
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button (6).
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• Connect the positive (15) and negative (16) poles
using the test cable.
PLEASE NOTE! do not short circuit the poles for too
long, perform the operation as quickly as possible.
When there is a short in the power supply, you will
hear a slight noise, which is normal!
• Switch on the device by pressing the On/Off
button (6).
• Use the current adjustment knobs (2) and (3) to
set the preferred value.
• Turn the voltage control knobs (11) and (12) to
the maximum.
• Switch off the device pressing the On/Off button
(6).
• Disconnect the pole connection cable.
c) overvoltage protection (OVP) setting:
• Turn the overvoltage protection control (13) and
the knobs [2, 3] clockwise as far as they will go.
• Use the voltage adjustment knobs (11) and (12) to
set the preferred OVP value.
• Turn the OVP control (13) anti-clockwise until
the LED [10] indicating the OVP overvoltage
protection activity lights up. The device will turn
off the power supply.
• Switch off the device pressing the On/Off button
(6).
• Turn the voltage knobs (11, 12) counter clockwise
until you reach a small value.
• Switch on the device by pressing the On/Off
button (6). The CV (9) LED will turn on.
• Use the voltage adjustment knobs (11) and (12) to
set the preferred value
• Switch off the device pressing the On/Off button
(6)
• Connect the load to the output terminals [15, 16].
• Turn on the device by pressing the On/Off button
(6). The power supply is ready to work.
PLEASE NOTE! The output voltage should be less
than the OVP setting. Otherwise, the UPS will operate
in OVP mode and the output will be turned off!
Disabling the OVP mode:
• Turn the OVP control (13) clockwise as far as it
will go.
• Switch off the device by pressing the On/Off
button (6). The OVP indicator will go out within
2 seconds
• Switch on the device by pressing the On/Off
button (6). The CV (9) or CC (5) LED lights up.
Then, the OVP will be turned off.
5)
When the parameters have been set, connect the
external load to the appropriate poles (+) and (-).
6)
Switch the device on using the On/Off button (6).
7)
The device automatically switches between CC and
CV modes depending on the load. For example,
for a set current limit of 10A, if the external load
is supplied with current less than the current value
which has been set, then the power supply will
always be in CV mode. If, on the other hand, it is
supplied with a current higher than 10A, the charge
will automatically switch to CC mode.
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