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SERIES STATIC DIGITAL AC AUTOMATIC VOLTAGE STABILISER USER MANUAL Thank you for purchasing a VSi PWM Series Static Digital AC Automatic Voltage Stabiliser...
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Whilst every precaution has been taken to ensure the accuracy and completeness of this User Manual, VSi assumes no responsibility and disclaims all liabilities for damages resulting from misuse of this information or any error or omission.
(by reducing high voltage). They are, designed to ensure the delivery of a stable and quality output voltage. Being designed for many years of reliable service, VSi’s PWM models provide protection from incoming line voltage sags, spikes and surges / swells.
Ultra-Fast – Within 200 milliseconds Correction (0.2 Seconds) Power No effect on performance providing the Stabiliser Factor is being used within its rated capacity Frequency 50 / 60 Hz (what goes in comes out) PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
Automatic Disconnect requiring Manual Restart Voltage (Output Under Limit 188V ±4V / Over Limit 270V ±4V) Over Voltage MOV (Varistor) Surge Protection Noise EMI Filter Protection Manual YES – inbuilt as Standard Bypass PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
Complies with BS/EN 55022 & the relevant part of Compliance BS/EN 61000 Standards CE Marked – being fully compliant with European Union Directives Certification 2014/30/EU (The EMC Directive) and 2014/35/EU (The Low Voltage Directive) PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
2.8 Warranty Model No 2.1H-S25 3.5H-S25 5.25H-S25 7H-S25 10.5H-S25 14H-S25 Standard 24 Months / 2 Years Warranty PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
If on delivery there is evidence of visible damage, do not attempt to install or start the Stabiliser. Advise the transport delivery company and inform VSi, or the resale partner from whom you purchased the equipment. The Stabiliser can contain potentially dangerous voltages – up to 300V AC.
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The electrician should install the AC input accordingly to the instructions contained in this manual. Standard safety practices should be followed at all times. The unit must be grounded / earthed at all times when in use. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
In normal running mode both the ‘LINE’ and ‘INV’ Status Indicators should be illuminated. 4.3.1 Status Indicators All Okay – in line mode In Bypass Mode Stable Output Voltage Output Overload or an Abnormal Condition exists PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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Please Note: The multifunctional display is for indication purposes only and may not display the exact voltage and current readings as seen by a calibrated multi-meter, but should be within an accuracy of ±5%. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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4.3.3 Load Level Indication In addition to load current readings the display panel also shows below the digital metering in the form of a bar graph percentage load readings. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
If on delivery there is evidence of visible damage, do not attempt to install or start the Stabiliser. Advise the transport delivery company and inform VSi, or the resale partner from whom you purchased the equipment. After unpacking and removing the polystyrene protective packaging from the PWM SERIES unit, inspect the ventilation slots to ensure that they are free from all obstruction.
Check all wires are properly secured (using glanding – as appropriate), connections are tight and cables are correctly wired before switching on. Refit Terminals Connection Cover Plate PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
(10 Amps). To install simply utilise a standard 16 Amp IEC Input Cable to connect the utility mains supply and 10 Amp IEC Output power cables to connect the load. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
If the correct voltage is not measured by the multi-meter please advise the resale partner / dealer you purchased the stabiliser from, or your nearest VSi office. Please ensure you advise your support teams of the model, serial number and where you purchased the stabiliser from.
The load is now supplied by the unregulated utility mains supply. 5.6.2 Turning Off 1. Switch CB 3 (Bypass Switch) to the OFF position. 2. Reattach the CB 3 (Bypass Switch) Cover Plate. Stabiliser should now be ready for Power Up. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
VSi Support Centre. Display ‘FAULT’ indicator 1) System is Reduce the load. is illuminated. overloaded. Restart the Stabiliser. 2) Output Voltage Follow the power down exceeds ±18.18%.
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Manual Bypass, put the system in Manual Bypass following instructions given Section seek advice from the dealer from whom the Stabiliser was purchased, or get in touch with your local VSi Support Centre. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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If you are unable to clear Bypass indicator, please seek advice from the dealer from whom the Stabiliser was purchased, or get in touch with your local VSi Support Centre. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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ON position. If the display is still not operational, please seek advice from the dealer from whom the Stabiliser was purchased, or get in touch with your local VSi Support Centre. PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi.
Specifically, VSi is not liable for any costs, such as lost profits or revenue, loss of equipment, loss of use of equipment, loss of software, loss of data, cost of substitutes, claims by third parties, or otherwise.
Kindly ensure that all products returned to VSi are done on a transportation repaid basis. Complying with the above will ensure that you’re Stabiliser will be treated promptly and efficiently, without a Returns Number it will not...
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Notes: PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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Notes: PWM SERIES - User Manual Page VSi-PWM-2018-06 http://www.VSi. .com...
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