Installation & User Manual
Contents
1. LED Indicator lights in the top nght comer of the VO unit will Indicate when the unit is in Save mode Incorporating the latest sine wave sampling SWS and active sine wave mapping ASWM technology enablesthe unit to monitorand control three cnitical performance and safety functions Low voltage threshold LVT eliminates the risk of the optimised voltage falling below a minimum value voltage When thishappensthe VO unit will automatically revert backto mains voltage preventing a potential Brown out condition When it detects the voltage has recovered and stabilised it automatically switches back to Save mode High cunent threshold HCT protects against over current The unit will automatically detect and protect against two possible overcurrent conditions The Voltage Optimiserhasa continuous rated current of 40A In addition to this it will withstand a load up to 60A for approx 30mins If the load current Increases above 60A the Voltage optimiser will automatically revert to a bypasscondition so asnot to damage the transformer until such time asthe current reduces below 60A Optimum switching threshold OST by constantly mapping the sine wave the Voltage Optimiser will only switch at the optimum point which eliminates any interruption to the supply voltage It also eliminates spikes and transients Bypass Mode The Voltage Optimiserhasa maximum rated current camying capacity of 100A in Bypass mode The Voltage Optim2. Domestic Voltage Optimisation Unit Designed developed and manufactured in the UK Apex Energy UK St Johns Road Meadowfield Ind Est Dumam DH7 8R Energy UK A Domestic Voltage Optimisation Unit e Table of Contents MUC fei fei e E 3 PODO EE 5 APON PG 7 1 e 5 WARNING SAND CAUTO KE 6 JE CHE en e E E SE E E AE Fi JPEU E 13 aSr yota EE 13 REH cune eE E E 14 Over lemperatur ENEE 14 BPa Oe te 14 Viele 14 EECH Ugen 15 MUA SO OS ME 15 Technical SSC IG OI tesa stseptenn econ snentecnecay ener enawaaentaspantencnesterasaaneemuanctanataariseenasaeeate 16 UE en E 16 Document Revision eelsten Version 1 2 November 2012 Page 2o0f 16 apex Energy UK J Domestic Voltage Optimisation Unit Intoduction This Installation amp User Manual covers the installation and use of the Apex Domestic Voltage Optimisation Unit The incoming voltage to a property will vary around the country but by law itcan be between 216V and 253V according to current European Legislation ESQCR 2002 However sudden voltage surgescan damage electronic equipment such as computers washing machine controllersand motion detectors such as passive infrared PIR Alldomestic electncal equipment is designed to work within a range of 207V and 253V if it complies with European Conformity CE But cntically the optimum and most efficient supply voltage forthese appliances is 220V When the supply voltage exceeds 220V wasted powercan
3. Green LED light should be displayed 4 Ifthe red LED is still showing repeat steps 1 to 3 again leave a slight delay between switching the unit OFF before switching itbackON again The Voltage Optimiser will intelligently decide when isthe optimum time for it to switch into and out of Save Mode there isno need to be concemed if the flashing green light ison it merely Indicates that not all the corect conditions have been met to wa mant the Voltage Optimiser being in save mode Version 1 2 November 2012 Page 140f 16 apex Energy UK e Domestic Voltage Optimisation Unit Status Indic ations The status indicated by the LEDs isdescnbed in the following table BT The unit is working nomally and in Save Mode Flashing Single Single The unit is conducting intemal tests this Flashing Flashing will typically occur following a power outage The unit will revert to Save Mode once completed Flashing The unit has reverted to Bypass Mode due to parameters outside the nomal operation of the unit The unit will automatically revert to save mode once allthe comect conditions have been met Off Continuous Continuous The unithasdetected a high ambient Flashing Flashing temperature OR high transformer temperature and hasgone into Bypass condition There may be a time delay before the unit will reset if it tipped due to over temperature Troubleshooting WARNING 4 ELEC TRICITY CAN
4. By Pass Current 100A Weight 12kg Designed developed and manufactured in the UK Warranty The Domestic Voltage Optimisation Unit is guaranteed forone year from the date of purchase The installer will record the senal numbers of the Voltage Optimiser and the circuit board on the warranty card that you must send to Apex to increase your warranty to three years Apex Energy UK St Johns Road Meadowfield Ind Est Durham DH7 8R Version 1 2 November 2012 Page 16 of 16
5. KILL TROUBLESHOOTING THIS EQUIPMENT WITHOUT ISOLATING THE SUPPLY IS NOTONLY DANGEROUS BUT CONTRAVENES THE ELEC TRICITY AT WORK REG ULATIONS 1989 WARNING 5 TROUBLESHOOTING THAT REQUIRES THE REMOVING OF INSULATING COVERS MUST ONLY BE PERFORMED BY A QUALIFIED ELECTRICIAN CAUTION Removing the cover of the Domestic Voltage Optimisation Unit will expose LIVE parts and should only be done bya qualified person Do not attempt to replace orrepair any partsasthis will invalidate your waranty Loss Of Power Both LED s not lit on Optimiser Circ uit If the Circuit Breaker on the front of the Voltage Optimiser Breaker hastnpped thiscan be caused by an over curent condition gt LOOA To reset the unit reset the tnpped circuit breaker Version 1 2 November 2012 Page 150f 16 SH Energy UK A Domestic Voltage Optimisation Unit Tipped then switch OFF the ON again the 2 pole Isolator VisualCheck Check visually cable from meterto optimiser only qualified electncians should cany out further checks orattempt to reconnect cables Energy Consult supplierto check if supply powerhas been cut Sup plier Technical Spec ification Incoming Voltage 232V 253V Outgoing Voltage 214V 235V Ambient Temperature 10 to 40 C 29 Insulation Class BS2757 120 degree maximum e Case is naturally ventilated Breaking Current LOkA Operating Curent Continuous Maximum current 40A Limited Maximum Curent 60A Maximum
6. aly gt Grid Power gt Optimised Power 8 Ze ta Consumer Sg Isolator gt gt Suppliers Suppliers Fuse Meter Figure 1 Typical domestic installation Note Before commencing with the installation e Make sur that you have the corect thickness and length of tails Add together the total maximum design curent of the circuits to be supplied by the optimiser Calculate the size of the cable required referto Appendix 6 of the BS 671 On Site Guide e Establish how isolation isto be achieved if an Isolation switch ts not installed check if there isan Isolation facility on the meter At the last resort remove the supply fuse usually a BS88 or BS371 cartndge type If seals are fitted notify the supplierand ask pemission before you remove them e Make sure the unit isclean and undamaged pnorto installation e Make sure all electrical connections are secure retighten if necessary Version 1 2 November 2012 Page 7of 16 apex Energy UK e Domestic Voltage Optimisation Unit PV Array gt Grid Power PV Power lt gt Optimised Power ear jigs DC Isolator J V tit CI A P Inverter Consumer Unit AC Isolator Generation Meter E gt a i gt OOO HIER e gop pes gt gt SSS SS gt Consumer Suppliers Suppliers Isolator Meter Fuse 1 Way Consumer m r E Unit ee Figure 2 Typical installation with domestic PV sola
7. be generated as both heat and vibration this could significantly reduce the life soan and efficiency of the equipment Household loads that will deliver energy savings are those that are known as voltage dependent loads Appliances that will benefit from Voltage optimisation are typically e Fridge and Freezer motors e Washing machine and dishwasher motors e Garage door motors e Centralheating and Gas Boller pump motors e Vacuum cleaner motors e Open loop resistive circuits such as hairdryers e LCDTV s e Gamesconsoles e Audio systems e Microwave cookers e Incandescent lamps Compact Fluorescent lamps Fluorescent tubes Halogen Lighting Indoorand outdoor Savings may vary between manufacturers DU In addition to energy saving the Apex VO unit will also protect yourappliances from hammful over voltages and spikes that can significantly reduce the electncal life of sensitive electronic equipment Version 1 2 November 2012 Page 30f 16 apex Energy UK A Domestic Voltage Optimisation Unit The Voltage Optimiserhasa dedicated electronic control unit EC U which intelligently and constantly monitors all the parameters such asincoming and outgoing supply voltage load curent temperature even itsown performance ensunng the unit always delivers the optimum performance to the premises The voltage optimiser will switch in and out of circuit depending on the algonthm of conditions
8. LOOSE CONNEC TIONS CAN CAUSE ARCING THATMAY RESULTS IN HEATDAMAGE TO COMPONENTSAND ULTIMATELY FIRE WARNING 3 THIS WO RK MUST BE CARRIED OUT BY A REGISTERED ELECTRICIAN CAUTIONS e Do not mount with the transformer lowermost as heat will nse from it into the unit Allow a minimum of 100mm clearance around the unit for ventilation Failure to observe these requirements may result in overheating and possible damage to some of its components e Make sure the installation location isclean dry and ventilated to prevent any current leakage e the unit must neverbe covered e The Voltage Optimiser is compatible with Solar PV Installations however the electncal connection method MUSTbe in accordance with figure 2 on page 8 e The maximum load current the Voltage Optimiser will with stand is 100A in Bypass Precautions must be taken to ensure the Voltage Optimiser will not see a load above 100A If the load current Increases above 100A the voltage optimiser will tip out in orderto protect itself and all power to the dwelling will be lost The unit can be manually reset by carefully following the reset procedures page Version 1 2 November 2012 Page 6of 16 apex Energy UK e Domestic Voltage Optimisation Unit Installation The configuration of a typical domestic installation is illustrated in Figure 1 The configuration when integrated with a typical domestic PV installation is illustrated in Figure 2 Ger Mei
9. Voltage Optimisation Unit Operation The Apex Domestic Voltage Optimisation Unit constantly monitors the input supply voltage and curent and will automatically control the supply within the parameters of the product The incoming supply will fluctuate constantly the Voltage Optimiser will react asfollows A click noise may be heard from the unit as it changes state this is nomal The Transformer used to reduce the Incoming voltage can get hot during save mode this isnomal and you may feel convected wam aircoming from the upper air vents There are 2 LED lights see fig 8 one green and one red that can be seen through the clear perspex window These lights in conjunction with page 15 of this user guide will explain what state the voltage optimiser is in All operations will occurautomatically determined by the voltage optimiser EC U 0 es AVO 009 Figure 8 Optimiser status indicator LED s Under Voltage The Incoming supply will fluctuate constantly where a nsk of under voltage exists e g when the outgoing voltage goes below 216V the Voltage Optimiser will automatically revert back to mains voltage Once the Voltage hasrecovered the VO unit will automatically revert back to save mode The LED status will be a flashing Green light Version 1 2 November 2012 Page 13 of 16 ape Energy UK J Domestic Voltage Optimisation Unit Over Cunent Should the demand exceed the 40A continuous
10. exposed 7 Connect the cable tails from the meter to the Domestic Voltage Optimisation Unit and the output cables as follows If installing with 16mm csa cables cut the grommetand refer to Agure 4 amp Figure 5 If using 25mm csa cables they will be installed in the cut out Refer to Figure 6 de N N WW ot S AVO 003 Figure 4 Grommet Preparation fora 16mm csa cable installation Version 1 2 November 2012 Page 10 0f 16 Domestic Voltage Optimisation Unit Note Armoured cable can be connected to the base unit by removing grommets and installing glands Connect the cables from the meter to the temninals of the double pole isolator at the Domestic Voltage Optimisation Unit Ensure the Incoming supply cables are connected to the correct supply labelled connections Connect the output cables from optimiser at the din rail connectors Ensure the load cables are connected to the conectly labelled connections Figure 5 for 16mm cable installations 2 pole 100A 2 pole 100A 63A MCB isolator isolator ezerre Load Supply Supply Load Load Supply Supply Load Live Live Neutral Neutral Live Live Neutral Neutral Figure 5 16mm csa installation Figure 6 25mm csa cable installation a Connect the corect size earth bonding cable referto Chapter 4 of the BS 671 On Site Guide between the main earth terminal and the chassis of the Domestic Voltage Optim
11. h wall plugs if appropnate Leave the heads of the screws protruding sufficiently to locate in their relative location holes in the base unit e Locate the base unit on the four M8 screws if necessary tighten the screwsto prevent any movement of the base unit but do not tighten fully as it should be made possible forthe unit to slide in and out of position 2 2mm 22 2mm ka la d 361 5mm Version 1 2 November 2012 Page 9of 16 ape Energy UK A Domestic Voltage Optimisation Unit Figure 3 Dimensions of mounting hole centres 5 Isolate the supply to the premises at the isolation switch meter or by removing the supply fuse asapplicable If the supply fuse is removed make sure that the fuse holder is covered with insulation matenal to prevent any possible contact with live terminals 6 Remove the tails from the consumer unit and connect directly to the Domestic Voltage Optimisation Unit or if not possible due to inconvenient lengths cut or use new longer tails If it is necessary to connect longer tails to the meter ask permission before you remove any seals at the meter If applicable connect the tailsto the meter make sure that the connection is in accordance with BS 671 Chapter 13 of the Wiring Regulations 1 7 Edition Le e Thatall the terminal screw isin contact with the conductive part of the cable e The postive cable iscoloured brown and the neutral blue at terminals e There isno excess conductor
12. isation Unit using a terminal lug crimped to the earth cable Note Leave the main earth conductor usually 16mm csa connected between the main earth terminal and the consumer unit Version 1 2 November 2012 Page ll of 16 apex Energy UK A Domestic Voltage Optimisation Unit b Cany out the following dead checks e Continuity of allcables e Polanty of the live and neutral e Insulation between phase and earth c Cany out the following live checks e Earth Loop Impedance check tt Is within limits max Zs forthe protective devices installed within the Domestic Voltage Optimisation Unit referto BS7671 17 edition chapter 4 e Prospective fault current if not obtained by enquiry make sure this doesnot exceed the breaking current of the unit e Input Voltage e Output Voltage d Record results obtained in stepsb and c on and include an installation certificate referto Appendix 7 BS 671 OSG e If 25mm cable hasbeen used cut the notch in the coverat the cable location Replace the coverand secure with the four screws referto Figure 7 f Re instate the supply and tum on the Voltage Optimiser ensure that all Miniature circuit Breaker MCB and 2 pole Isolatorare in the ON position Wait until the VO unit goes through its self setting procedure AVO 008 Figure 7 Coversecunng screw locations Version 1 2 November 2012 Page 12 of 16 ape Energy UK A Domestic
13. iser reducesthe Incoming supply voltage down by a fixed reduction ratio Version 1 2 November 2012 Page 4of 16 apex Energy UK e Domestic Voltage Optimisation Unit Purpose The purpose of the Voltage Optimiser is as follows e Reducesenergy waste and carbon footpnnt by reducing the power consumed by appliances e Contnbutesto Govemment funded targets on carbon reduction e Customer savings start immediately e Substantially extends the life of appliances and lighting e Protects sensitive electncal devices from damage Important Points e Familianse yourself with this manual and the Voltage Optimiser before installing and operating the unit e In particular ensure that you have read the WARNINGS AND CAUTIONS section e Contact yourelectncal supplier before breaking any main fuse seals dunng the installation of this product If necessary ask the supplier to install an isolator switch Version 1 2 November 2012 Page 50f 16 apex Energy UK A Domestic Voltage Optimisation Unit WARNINGS AND CAUTIONS These wamings and cautions must be observed when installing operating the Domestic Voltage Optimisation Unit WARNING 1 ELEC TRICITY CAN KILL INSTALLING THIS EQUIPMENT WITHO UTISOLATING THE SUPPLY IS NO TONLY DANGEROUS BUT CONTRAVENES THE ELEC TRICITY ATWO RK REG ULATIONS 1989 WARNING 2 MAKE SURE THAT MAXIMUM CONDUCTIVE CABLE SURFACE ISIN CONTACT WITH TERMINALS AND THAT THEY ARE SEC URE
14. r power system Version 1 2 November 2012 Page 8of 16 ape Energy UK A Domestic Voltage Optimisation Unit 1 Remove the cover ofthe Domestic Voltage Optimisation Unit which is loosely positioned in the box The four cover screws will be loosely installed in their locations in the base frame 2 Record the senal numbers of the main unit and the electronic circuit board on the warranty card that accompanies the unit 3 Cany out visual winng checks a Yellow PTC wire from the transformer must be connected to white socket on electronic board labelled J P2 b All neutral live and earth terminations secured pull test c Earth terminal block must not be touching the Transformer case 4 Secure the base to the wall as follows a Choose a location forthe base unit of the Domestic Voltage Optimisation Unit either honzontally or vertically on a solid surface ina convenient postion foraccessand ina well ventilated and dry location Ensure the unit hasa minimum 100mm clearance all around for ventilation If the unit isto be installed vertically the transformer mustbe positioned uppermost b Measure and mark postions of four or five secunng screws according to whether the unit isto be mounted honzontally or vertically The dimensions of the hole centres are given in Figure 3 c Dnllappropnate size hole for either direct fixing into wood orthe corect type of wall plugs for plasterboard bnck etc d Use M8 screws wit
15. rating of the Voltage Optimiser the transformer is rated to allow an over curent for approximately 30 minutes up to 60A after which time if the overcurrent has not retumed to its rated level the device will automatically revert to bypass The LED status will be a RED flashing light Over Temperature Depending on the load conditions and the ambient temperature the voltage optimiser contains several over temperature protection devices These are designed to prevent the unit being damaged Should thisoccurthe unit will automatically switch into bypass mode until the unit has cooled sufficiently to automatically revert backto save mode The LED status will be a RED flashing light Bypass Mode This mode is automatically selected by the Voltage Optimiser for reasons either of savings or for reasons of protection This mode means that the supply voltage to the house will continue and will not be intemupted however the Voltage optimiser is not reducing the voltage at this time The LED status willbe a Green flashing light MCB tip The MCB on the front of the VO unit may trip in orderto protect the VO unit from damage If the MCB hastnpped the re set procedure must be camed out as follows 1 Reset the MCB on the front of the unit to the ON postition 2 Switch OFF the 2 pole Isolator switch Note this will temporarily cut the supply voltage 3 Switch the 2 pole Isolator switch ON again wait forthe unit to run through a reset procedure
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