Sven VR-S3000 User manual
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VR S-3000
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SVEN . -
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Wall-Mounted Automatic
Voltage Regulator
ENG
Congratulations on the purchase of Sven automatic voltage regulator!
Please read this Operation Manual before using the unit and retain this Operation Manual in a safe place
for future reference.
COPYRIGHT
© 2018. SVEN PTE. LTD. Version 1.0 (V 1.0).
This Manual and information contained in it are copyrighted. All rights reserved.
TRADEMARKS
All trademarks are the property of their legal holders.
NOTICE OF RESPONSIBILITY RESTRICTION
Despite the exerted eorts to make this Manual more exact, some discrepancies may occur. The infor-
mation in this Manual is given on «as is» terms. The author and the publisher do not bear any liability
to a person or an organization for loss or damage which has arisen from the information contained
in this Manual.
UNPACKING
Unpack the device carefully. Make sure there are no accessories left in the box. Check up the de-
vice for damage; if the product was damaged during transportation, address the rm which carried
out the delivery; if the product functions incorrectly, address the dealer at once.
Shipping and transportation equipment is permitted only in the original container.
Does not require special conditions for realization.
Dispose of in accordance with regulations for the disposal of household and computer equipment.
CONTENTS
RUS ............................................................................................................. 2
UKR ............................................................................................................. 8
ENG ............................................................................................................ 14
1. SAFETY PRECAUTIONS.............................................................................15
2. PACKAGE CONTENTS............................................................................... 15
3. SPECIAL FEATURES ................................................................................. 15
4. DESCRIPTION ........................................................................................ 16
5. APPLICATION ......................................................................................... 16
6. MOUNTING ............................................................................................ 17
7. INSTALLATION ........................................................................................ 17
8. PAUSE FUNCTION ...................................................................................18
9. PROTECTION FUNCTION AGAINST HIGH AND LOW INPUT VOLTAGE,
OVERLOAD AND OVERHEAT .......................................................................18
10. TROUBLESHOOTING ...............................................................................18
11. TECHNICAL SPECIFICATIONS ..................................................................... 19
Technical support is on www.sven..
14
ENG
VR-S
Operation Manual
1. SAFETY PRECAUTIONS
Before using this device, please read the safety rules carefully:
Do 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.
Do not installed the stabilizer in a place with insucient ventilation. The minimum air gap is of 25 cm.
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 or address an authorized service center.
For the list of authorized service centers please go to www.sven.fi.
Do not let liquid get inside the device, it can cause short circuit or electric shock.
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.
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.
Do not let children operate the device.
It is strongly forbidden to operate the device in the following conditions:
in dusty environment or environment containing highly inammable gas;
at temperature higher than 40 °C or lower than 0 °C;
at relative humidity level higher than 90 %;
in direct sunlight or next to heating elements;
in vibration areas.
In case of re use only powder re extinguisher, as water can cause electric shock.
2. PACKAGE CONTENTS
Automatic voltage regulator 1 pc
Operation manual 1 pc
Warranty card 1 pc
Screw positioning paper 1 pc
3. SPECIAL FEATURES
CPU control
Extended precision of output voltage regulation
Protection of consumer-devices against high or low output voltage
Protecting of consumer-devices from high-frequency and pulsed interference
Stabilizer protection from overload and short circuit
Autotransformer thermal protection; automatic cooling
Pause function (6 or 180 s) for safe voltage supply
Digital display of input/output voltage on the front panel
Slim metal case, wall mounting
15
Wall-Mounted Automatic
Voltage Regulator
ENG
4. DESCRIPTION (see. Fig. 1-3)
a WORKING: LED (green) lights up when there is a input voltage
b REGULATING: LED (yellow) lights up when operating stabilizer for rise/fall if the input voltage
display is turned o
c PROTECTING: LED (red) lights up in case of an accident (switch-protection against high/low
voltage operation of thermal auto-transformer) ashes when developing the delay enable/disable
(overload protection)
d Digital display: on default it displays output/intput voltage level (displaying accuracy ± 3%);
H is displayed after shuto due to high voltage; L is displayed after shuto due to low voltage;
is displayed on overheating protection operation. In the Pause mode the countdown time to
switch on the Automatic voltage regulator is displayed; "P" is overload
e I/O: selection button is displayed the input or output voltage on the digital display
f Wall mounting holes
g Output socket
h Pause: delay selection button (6 or 180 s): while pressing the delay time will be 180 s, when not
pressed 6 seconds
i Bimetallic breaker. There is a circuit breaker into 3000VA model
j There is a 3 * 2,12 connection wire
k Automatic fan
5. APPLICATION
Automatic voltage regulator (AVR) is designed for providing various equipment with high-quality sta-
ble electric power supply in conditions of signicant and continuous deviations of mains voltage and
protecting your equipment against high-voltage and pulsed interference.
16
Fig. 2.
Control panel
Fig. 3.
Rear panel
Fig. 1.
Front/back panel
VR-S
3000
f f
WORKING REG UL AT ING PROTECTIN G
ON
OF F
UNDEL AY
DELAY
INPUT
g
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X
Y
ENG
VR-S
Operation Manual
6. MOUNTING
Important! Before mountint the regulator, make sure that all fixing elements durable fastened
to the wall!
For securely wall mounting it is necessary to determine the type of wall material (wood, brick,
concrete, drywall, and etc.) for corresponding fastener selection.
Mounting stabilizer location should be close to the wall outlet, considering the stabilizer power
cord length (1.25 m ± 3%).
Next, make a mounting fasteners (not included) to the wall, considering the wall mounting holes
location f on the stabilizer rear panel (see Fig. 3).
Then hang the stabilizer on xing elements.
7 INSTALLATION
Attention! Before connecting the regulator, make sure that all consuming devices connect-
ed to the regulator are switched off and the switch i is in OFF position. The maximum cur-
rent of the circuit breaker must be not less, than the current of the circuit breaker of AVR.
For the VR-S3000 electrical connection should only be performed by a qualied technician.
Before installing the AVR, please make sure that total power of all consumers is lower than AVR output
power. Taking into account the starting loads and power factor of consumers, it is necessary to apply
power margin factor with the coefficient 1.21.5; but for such equipment as air conditioners, fridges,
etc., it should be 1.52.
Attention! When choosing an AVR, it is necessary to know that reduction of input voltage
increases an input current value, consequently, the 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!
Turn o the pre-using equipment and connect it to the stabilizer sockets.
Plug the stabilizer power cord j in the wall outlet.
Turn on stabilizer with switch i.
The green indicator will light up, the red indicator will ash (load connection delay). At the same
time the digital indicator d will display the expiration of the delay. The total delay makes 6 or 180
seconds depending on the "Pause" button (ON/ OFF) h position.
When the mains voltage exceeds the allowable rate (lower threshold is 140 V, upper threshold is
275 V) the LED c illuminates, the AVR disconnects the load automatically and the LED d displays
L or H.
17
Wall-Mounted Automatic
Voltage Regulator
ENG
Attention! It is recommended to switch off the AVR and every connected consumer-device
when the power supply is dropped.
8. PAUSE FUNCTION
The Pause mode feature is designed to protect equipment in case of frequent drops of the mains
supply. This is particularly important for consumer appliances with electric motors or compressors.
After power supply has been recovered, the AVR switches on within 6 or 180 seconds, depending on
the "Pause" button (ON/ OFF) h position.
9. PROTECTION FUNCTION AGAINST HIGH AND LOW INPUT VOLTAGE, OVERLOAD AND
OVERHEAT
The stabilizer is equipped with an unique circuit overvoltage and undervoltage protection. In the
case of mains voltage deviation over 275 V or below 140 V it turns o the load automatically. At the
same time red LED c illuminates, and the display d shows the "H" (for activation overvoltage pro-
tection) or symbol "L" (when triggered undervoltage protection). When the input voltage range re-
turning to 140-275 V the stabilizer automatically resumes operation.
In case of overload* or short-circuit bimetallic circuit-breaker i will triggered. After elimination
overload cause or short circuits, press circuit-breaker button i, and stabilizer will resume operation
(There is a circuit breaker).
* In the model, if the input current is more than certain, the digital display will begin to show a countdown
before the load is cut off. After the time elapses, the message "P" (overload) appears on the display,
the load is de-energized.
10. TROUBLESHOOTING
Problem Cause Solution
The AVR does not start. 1. There is no power in the
socket.
2. The bimetallic circuit-
breaker i has activated.
1. Make sure there is electric power
supply.
2. Disconnect part of the load and
switch on the AVR again.
The AVR is in operation
mode, but there is no
output voltage.
The AVR is out of order. The AVR is regulating output voltage.
The AVR often produces
clicking sound.
Input voltage is very unstable. The AVR is regulating output voltage.
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 yourself.
18
ENG
VR-S
Operation Manual
11. TECHNICAL SPECIFICATIONS
Models
Parameters VR S-3000
Maximal output power, W 1800
ircuit-breaker trip current, 20
Input voltage, V ~140 275 ± 3%
Input/utput frequency, Hz 50
Output voltage, V ~230 (-14/+10 %)
Switching time, msec 10
Protection
against high/low mains voltage, high-frequency interference
and interference pulses, short circuit and overloading;
integrated thermal protection
Environment temperature, °C 0 ~ 40
Relative humidity, % 10 ~ 90 (without condensation)
Output socket 3 × 7/4
Dimensions, mm 450 × 250 × 80
Weight, kg 8,1
Mounting dimensions, mm x = 380; y = 181.5
Notes:
Technical specications given in this table are supplemental information and cannot give
occasion to claims.
Technical specications are subject to change without notice due to the improvement
of SVEN production.
19
VR-S3000
: VR-S3000
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Manufacturer: SVEN PTE. LTD, 176 Joo Chiat Road, 02-
02, Singapore, 427447. Produced under the control of Oy
Sven Scandinavia Ltd. 15, Kotolahdentie, Kotka, Finland,
48310. Made in China.
® Registered Trademark of Oy SVEN
Scandinavia Ltd. Finland.
V01
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