Real-El STAB-500 M User manual

OPERATION MANUAL
STAB-500 M
AUTOMATIC VOLTAGE
REGULATOR

Technical support: www.real-el.com
ENG
1
Operation Manual
STAB-500 M
ENG
Congratulations on your purchase of the REAL-EL automatic voltage regulator!
COPYRIGHT
© 2020. ENEL GROUP OU.
This Manual and information contained in are copyrighted. All rights reserved.
TRADEMARKS
All trademarks are the property of their legal holders.
1. BUYER RECOMMENDATIONS
ϜUnpack the device carefully. Make sure there are no accessories left in the box. Check up the
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carried out the delivery; if the product functions incorrectly, address the dealer at once.
ϜCheck up the package contents and availability of the warranty card. Make sure the warranty card
has a shop stamp, a legible signature or the seller’s stamp and purchase date, and the goods
number corresponds to that in the warranty card. Remember: in case of warranty card loss or
discrepancy of numbers you forfeit the right for warranty repairs.
ϜDo not switch on the speaker system immediately after you bring it into a room from environment
with negative temperature! After unpacking, the speaker system should be kept in conditions of
room temperature for at least 4 hours.
ϜBefore installing and using the speaker system, read this Manual carefully and keep it for future
reference.
2. APPLICATION
Automatic voltage regulator (AVR) is designed for providing various equipment with high-quality
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interferences.
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CONTENTS
1. BUYER RECOMMENDATIONS ................................................................
2. APPLICATION ..................................................................................
3.
SAFETY PRECAUTIONS .....................................................................
4.
PACKAGE CONTENTS .......................................................................
5. DESCRIPTION ...................................................................................
6. INSTALLATION .......................................................................................
7.
TROUBLESHOOTING .............................................................................
8. SPECIFICATIONS ...............................................................................

Technical support: www.real-el.com
ENG
STAB-500 M
2
Operation Manual
3. SAFETY PRECAUTIONS
Before using this device, please read the safety rules carefully:
Ϝ It is strongly forbidden to open the cover of the device, there is high voltage inside. If some
problems occur, please read the operation manual carefully and address an authorized service
center. For the list of authorized service centers please go to www.real-el.com.
ϜDo not let liquid get inside the device, it can cause short circuit or electric shock.
Ϝ In case there are signs of improper operation of the device (sparkling, unusual smells, etc.),
unplug the device from the mains immediately and address your nearest authorized service
center.
ϜIt is forbidden to connect the automatic voltage regulator to devices with power consumption
higher than its maximum output power. It can cause breakdown of the device.
Ϝ This device is not intended for use by persons (including children) with reduced physical,
mental capabilities, lack of experience or knowledge; use of the device by such persons is
permitted only under the condition of supervision or instructions for the use of household
appliances by persons responsible for their safety.
Ϝ Children should be supervised by authorized personnel to exclude their playing with the
appliance.
ϜDo not use the appliance with a damaged power cord or plug, or after handling liquids, falling
or any other damage. To avoid electric shock, do not attempt to disassemble or repair the
appliance yourself. If necessary, contact a specialized service center.
It is strongly forbidden to operate the device in the following conditions:
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–at temperature higher than 40 °C or lower than 0 °C;
–at humidity level higher than 90 %;
–in direct sunlight or next to heating elements;
–in vibration areas;
–outdoors.
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ϜThe automatic voltage regulator should be installed in proximity to power supply, then it will be
easier to unplug the device if necessary.
4. PACKAGE CONTENTS
ϜAutomatic voltage regulator – 1 pc
ϜOperation Manual – 1 pc
ϜWarranty card – 1 pc
Caution! There is high voltage inside on the insulation elements which can
result in electric shock.
STAB-500 M

Technical support: www.real-el.com
3
ENG
Operation Manual
STAB-500 M
POWER
DELAYING
PROTECTING
5. DESCRIPTION
"GREEN LED (indicator of “Power On”)
#LED Display: input/output voltage
$YELLOW LED (indicator of “Delaying”)
%RED LED (indicator of “Protecting”)
&Select of “Input Voltage/Output Voltage”
'CIRCUIT BREAKER: automatic fuse
(AVR power switch
)Output socket
Features
ϜLED Display
ϜToroidal transformer with automatic overload protection
ϜDelay of switching on 180 sec
ϜZero-cross switching technology
ϜMicroprocessor control
ϜMaximum protection against high voltage, low voltage, short circuit, overheating and overload
CIRCUIT
BREAKER
OFFON
AUTOMATIC VOLTAGE REGULATOR
STAB-500 M
OUTPUT 220V
~
"
#
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ENG
Technical support: www.real-el.com
STAB-500 M
4
Operation Manual
6. INSTALLATION
Attention! Before connecting the regulator, make sure that all consumer devices con-
nected to it are off.
Ϝ Before installing the AVR, please make sure that total power of all voltage consumers is lower
than AVR power. Taking into account the starting load and power factor of voltage consumers, it is
necessary to apply power margin factor of 1.2–1.5; for such equipment as air conditioners, fridges
and other electric motors it should be 1.5–2.
Attention! When choosing an AVR, it is necessary to know that reduction of input voltage
increases value of input current, which means that maximum power of AVR is reduced too!
Such dependence is shown in the graph below:
Note. Adhere strictly to such dependence. If the condition stated above is not adhered to,
warranty servicing becomes void!
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ϜConnect the AVR to 220 V household mains and switch it on using switch(.
ϜIf the AVR operates properly, digital indicator#will display the voltage on the AVR output, i.e. the
output voltage. Connected consumer devices must be turned on after that only.
Ϝ If the mains voltage exceeds the operating range (140 – 260 V), the AVR disconnects the load
automatically (connected devices).
Attention! If the AVR is not used for a long time, it is recommended to disconnect the AVR
and all consumer devices from the power supply network.
140 150 160 170 180 187 200 210 220 230 240 250 2600
50
25
75
100
100 110 120 130
output power, %
of nominal
input
voltage, V

Technical support: www.real-el.com
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ENG
STAB-500 M
Operation Manual
8. SPECIFICATIONS
Maximum load, 9ƴ:
Safety fuse, ƴ
Input voltage, V/Hz
Output voltage, V/Hz
Switching time, ms
Short circuit protection
Environment temperature, °C
Humidity, %
Dimensions, mm
Weight, kg
500 / 400
ƴ
~140–260 / 50
~220 ± 10 % / 50
я
available
0 – 40
up to 90
170 × 125 × 190
1.9
7. TROUBLESHOOTING
Notes:
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TM REAL-EL production.
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2. There is no voltage in the
power supply network.
3. The fuse has activated.
4.The load connected is too
powerful.
The AVR is out of order.
Input voltage is very
unstable.
Input voltage is beyond
possible regulation range of
140 – 260 V.
The AVR does not start.
The AVR is turned on, but
there is no output voltage.
The AVR often produces
clicking sounds.
The AVR has disconnected
the load. Active red indicator.
1. Press the switch once again.
2. Make sure that power supply
is available.
3. Disconnect the AVR from the
power supply and change the
fuse.
4. Disconnect some load.
If the problem is not eliminated,
please address an authorized
service center.
It is normal. The AVR regulates
output voltage.
When input voltage is
normalized, the AVR tuns on
automatically.
CauseProblem Solution
If none of the above methods can solve the problem, please seek professional advice at your
nearest service center. Never attempt to repair the product by yourself.

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