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PSR SeRieS
Programmable
Voltage Sensing Relay
Thank you for choosing an interVOLT product ...
interVOLT is a trademarked brand of specialised electronic power conversion
products produced by Amelec Australia Pty Ltd. Commencing in 2000 and
establishing our fi rst product in the market in 2001, interVOLT are renowned
for our high quality voltage converters, power conditioners and battery
equalizers.
We are now pleased to introduce a truly unique and innovative product, our
new PSR Programmable Sensing Relay. The PSR is a fi rst in many ways and
more details of this can be found on the OVERVIEW pages in this manual.
In short the PSR is a solid state electronic relay, fully programmable by the
user or installer and suitable for a myriad of applications. The solid state
construction is achieved by using Hi-Rel Mosfet technology now becoming
increasingly popular in automotive electronic engineering design.
This cutting edge technology allows interVOLT's PSR to replace similar
electro-mechanical devices which have moving parts and therefore subject
to wear and tear, resulting in short life and premature failure. As mentioned,
the PSR provides the installer or user with the ability to program various
settings and functions. This is a feature previously unseen in similar voltage
sensing relays and sets interVOLT well and truly apart from the competition.
As with all interVOLT products the PSR is designed for demanding
applications in marine, coach, bus, RV, mining, agricultural and alternative
energy applications just to name a few. The applications include but are not
limited to combining, isolation and emergency paralleling of batteries,
low or high voltage disconnecting of heavy loads.
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PSR PROGRAMMABLE SENSING RELAY
The new interVOLT PSR is as unique as it is attractive. It incorporates
a myriad of features and benefi ts not previously available in similar
electro-mechanical devices, several of which are highlighted as follows:
– Completely solid state, no moving parts to wear or fail
– Available in 12 or 24 VDC at 150 Amps continuous rating
– Fully programmable interface for voltage and time delay
– User confi gurable for normally open or closed switching
– Load contacts are bi-directional and not polarity conscious
– Switched circuit cannot backfeed due to isolated design
– Complete DC-DC isolation between control and load circuits
– Clear LED display and indicators for ease of operation
– Alarm output for remote monitoring of voltage condition
– Electronics are enclosed in dust and water proof housing
– Compact design can be mounted in any position to suit
– Over temperature protected with thermal shutdown
– High quality assembly featuring marine grade hardware
– Conformally coated circuit boards for additional protection
– Separate connection for emergency override or control
– 24 months warranty (subject to specifi c terms and conditions)
This manual contains comprehensive information on the installation,
set-up and use of the all new PSR Programmable Sensing Relay and is
applicable to this model only. Whilst every care has been taken in the
preparation of this manual, Amelec Australia Pty Ltd offers no guarantee,
express or implied, and accepts no liability for any inaccuracies, errors or
omissions in its content. Specifi cations are subject to change without notice.
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& OPERATION
MANUAL
INTRODUCTION . ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... .. ... ... 2
APPLICATIONS .. .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. . 3
Quick Reference Guide .. .. ... ... .. ... .. ... ... .. ... .. ... ... .. . 4
Overview . ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 5
Primary Functions ... .. ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 5
Other Functions .. .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. 7
Layout ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. . 8
Installation . ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... 10
Notice . ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... .. 10
Wiring . ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 11
Programming ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... 13
Connection .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 16
Battery Combiner For Charging ... ... .. ... .. ... ... .. ... .. ... ... .. 16
Low Voltage Disconnect . ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. . 20
Automatic Paralleling Of Batteries .. ... .. ... ... .. ... .. ... ... .. .. 24
Automatic Load Switching . ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 28
Conventional Heavy Duty Relay ... .. ... .. ... ... .. ... .. ... .. ... ... 32
Specifications .. .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... 34
Dimensions .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 35
Warranty Policy .. ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... . 36
The interVOLT PSR is primarily developed for the safe and reliable switching
of heavy loads (up to 150 Amps continuous) in any 12 or 24VDC application
(model dependent). When applied and installed correctly, the solid state
design will ensure years of reliable service. The advantage of being able to
program the voltage and time delay limits along with the state (normally
open or closed) of the switching terminals allows the PSR to be used for a
multitude of applications including but not limited to those listed below.
This manual outlines the most common applications for the PSR including
wiring diagrams in each instance. Listed below are a number of examples
where the PSR can be utilised. Each example is accompanied by an
explanation and circuit diagram on the appropriate page.
• Combining of battery banks for charging from a single source.
Page 16
• A low voltage disconnect for loads up to 150 Amps continuous.
Page 20
• Automatic paralleling of batteries for emergency supply.
Page 24
• Automatic load switching using the control terminals for sensing.
Page 28
• As a heavy duty relay for switching loads up to 150 Amps.
Page 32
Please see the Installation section for the correct location and mounting
procedure prior to commencing any wiring.
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Table of Contents
Summary of Contents for intervolt PSR Series
- Page 1 QUICK REFERENCE GUIDE ........4 establishing our fi rst product in the market in 2001, interVOLT are renowned for our high quality voltage converters, power conditioners and battery OVERVIEW .
- Page 2 Primary Functions This manual provides detailed information on the application, installation and operation of the new interVOLT PSR Series Voltage Sensing Relays. We have The interVOLT PSR is a user programmable voltage sense relay. The relay summarised the key reference pages below.
- Page 3 There is a voltage drop and cable size calculator water can ‘short’ between the terminals. on the interVOLT website at www.intervolt.com. Undersizing the cable will result in poor performance, over heating, a reduction in longevity and may LOCATION jeopardise your warranty in the event of a failure.
- Page 4 BATTERY COMBINER FOR CHARGING When used as a battery combiner the PSR can be user programmed with the following settings: FIGURE I • Upper Voltage Limit – this is the setpoint you will program as the ‘combine’ One of the primary applications for the PSR is its suitability for combining voltage i.e.
- Page 5 FIGURE II • Lower Time Delay – this is the setpoint you will program as the time (in seconds) you wish to delay the ‘disconnect’ function. This setpoint provides a delay between the time the lower voltage limit is reached and when it is activated.
- Page 6 AUTOMATIC LOAD SWITCHING When used for automatic load switching the PSR can be user programmed with the following settings: FIGURE IV • Upper Voltage Limit – this is the setpoint you will program as the ‘re- The PSR is ideally suited to automatic load switching (up to 150 Amps) by connect’...
- Page 7 16 Parkinson Lane, O’Connor, WA 6163, Australia interVOLT is a registered trademark of Amelec Australia Pty Ltd in Australia and various other countries including the UK and USA and as such is protected by the relevant laws of the country of registration.
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