Installation Manual
Contents
1. for switching off the Optimmersion and associated circuits for maintenance purposes provided that you mount the power throttle near by the consumer unit If you are mounting the power throttle some way away from the circuit breaker for example in another cupboard or in a room away from the consumer unit you will need to provide a double pole isolation switch next to the power throttle as the means of local isolation Alternatively you Can install a means of locking off the circuit breaker Figure 2a Connecting the controller unit amp the power throttle wired versions Controller Unit Power Throttle SIGNAL Connect either way around Wired versions only Power supply cable PV output l not for Simple version Control cable Supply input f a Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 5 of 12 Optimmersion Figure 3a Connections in the power throttle wired versions Power Throttle a O SIGNAL 2 o Wired versions only Phono plug to controller unit Power supply plug to controller unit 5 core 1 5mm cable Water heater i gt gt fs i g f f or l ee N ane Heater fuse from MCB Figure 4 Connections in the consumer unit wired versions only 5 core 1 5mm Existing water cable heater cable NEUTRAL NEUTRAL EARTH Wired versions only Wiring nut Wiring nut Water heater fuse2. Remove the lid by gently pressing in the centre of the upper side of the base The cover will release from the top hinging at the bottom Refit the lid by aligning the two locators at the bottom gently pushing home at the top Mount the controller unit carefully on a flat surface so as not to distort the enclosure Failure to do this may result in damage to the unit and poor fitting of the cover Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 3 of 12 Optimmersion The cable entry slot is designed to allow the power and phono cables to be threaded through from the rear or from the bottom The plugs may be inserted into their respective sockets prior to final fixing We recommend that you first prepare and loosely fix the unit to the wall and then before tightening the fixings thread the plugs through the cable entry slot and insert them into their respective sockets starting at the top and working down There should be no need to make additional holes in the base Figure 1a Controller unit wired versions PHEEEL CORGeW Wired versions only P Optimmersion low voltage AC power supply input from the power throttle Q Socket for the clip on transformer which monitors the current at the electricity meter R Socket for the clip on current transformer which monitors the PV output not used for Simple S Low voltage control signal output to the power throttle Figure 1b Controller unit wireless versions Wireless
3. Sc ie a A RR LAMA RAN RA ORR 6 A Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 6 of 12 Optimmersion Figure 2b Connections in the controller unit wireless versions Controller Unit Power Throttle AC power supply Signal LED Wireless versions only PV output Control cable to other power throttles if fitted Figure 3b Connections in the power throttle wireless versions Power Throttle Signal LED Wireless versions only Wireless receiver Water Heater Double Pole isolation switch Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 7 of 12 Optimmersion Commissioning amp Customer instructions 1 Commissioning Y Check that all AC electrical connections are complete and ready for energizing Carry out appropriate electrical tests of your wiring according to BS7671 2008 amended 2011 Switch on the immersion heater MCB in the consumer unit and the power throttle DP isolation switch if fitted to energize the system Y For wireless versions plug in the controller power supply and connect controller Vv Slide the slider function switch located on the top of the controller unit to the mid position The legend Heat automatic should appear in green at the bottom of the display If instead the legend Heat 1 hr boost appears slide the switch to the left wait for the display to show Heat continuous and then sli
4. versions only P Optimmersion low voltage AC power supply input from the AC power supply Q Socket for the clip on transformer which monitors the current at the electricity meter R Socket for the clip on current transformer which monitors the PV output S Low voltage control signal output to additional power throttle if required T Wireless transmitter pairing button U Transmitter signal LED Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 4 of 12 Optimmersion 3 Wiring amp connections To wire the controller to the power throttle wired versions only insert the supply lead plug end into socket P and connect the free ends to the AC O P screw terminals within the power throttle as shown in Figures 2a and 3a These may be connected either way around Use the 5 core cable and PVC cable glands provided between the consumer unit and the power throttle intercepting the dedicated water heater circuit For wireless versions ensure only the left hand gland for both the power cables from the isolator switch and to the water heater are used Make the connections as shown in the wiring diagrams figures 2a 3a and 4 for wired versions and figures 2b and 3b for wireless versions below At this stage please leave the current transformer s plugged in but unclipped A British standard BS 7671 2008 amended 2011 regulation 537 3 2 1 allows the circuit breaker in the consumer unit to act as the means of local isolation
5. continuous and then slide it to the centre The legend should change to Heat automatic after a few seconds Y Check the blue Control bar on the display The red signal LED in the power throttle should change brightness as the bar changes length being fully lit when the bar is at its full length and off when the bar is at zero length Figure 5 CT clip placement To controller unit Solar not for Simple version PV Place export current transformer Place PV generation current transformer here HERE NOT HERE To controller Henley Block unit if fitted Meter y l Pattee hee mi Y E E a a Eee Main E ia fuse Incoming Other supply circuits Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 9 of 12 Optimmersion 2 Three position slider function switch The three position switch is located on the top right hand side of the controller unit It is a slide switch and operates as follows Left position Mid position Right position Left position the heater is fully on and Optimmersion has no effect The legend Heat continuous appears in red at the bottom of the display and the blue Control bar should be at full length Mid position the heater is controlled automatically by Optimmersion The legend Heat automatic or Heat 1 hr boost see below appears in green or yellow at the bottom of the display This is the normal position Mid left mid movement if you move the s
6. Optimmersion Installation Manual Optimmersion re e e Wa A The system should only be installed by a suitably qualified person eS Optimmersion It is recommended you read these instructions before you begin the installation but in summary 1 Inspection Assess the existing electrical wiring to ensure that it is suitable for the installation of Optimmersion 2 Mount the power throttle Mount the controller unit 4 Wiring and connections Install the associated cables and make connections as per Figures 1 to 5 Commissioning amp Customer instructions Electrically test the circuitry and then energize the system and carry out the commissioning steps as described remembering to show the householder how it works and hand out user instructions a General information Optimmersion measures how much power is flowing through the electricity meter using a current transformer which clips around the live wire of the feed from the Grid When there are more than 50 watts being exported it brings up the immersion heater water heater always adjusting the exact level so as to maintain the exported power below about 200 Watts Electric appliances can be turned on and off in the house and Optimmersion makes the appropriate adjustment Optimmersion excluding the Simple version also measures the amount of power being generated by the PV installation using a second clip on current transformer this information is displayed but has no e
7. an the generated power then the Net display value will be shown in red Y You must check that the electricity supply input current transformer is correctly installed by turning on a high power appliance such as an electric kettle The Net display figure should increase and appear in red as power is being imported from the grid If the opposite happens i e the Net display goes down or turns green then the current transformer requires reversing so that the live wire feeds through from the other direction Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 8 of 12 Optimmersion For Wireless Optimmersion only v Check that the power throttle is receiving the signal from the control unit The red LED inside the control unit labelled U in Figure 1b should flash regularly every 1 second with a double flash every six seconds When the power throttle is first powered the signal LED inside the power throttle will flash approximately every 1 5 seconds for 90 seconds Y To check the wireless connection push to the slider switch on top of the control unit over to the left hand position The legend Heat continuous should appear in red at the bottom of the display Now look at the red signal LED in the power throttle noted on Figure 2b This should be lit continuously Slide the switch on the control unit back to the centre wait for the display to show Heat 1 hr boost slide it back to the left wait for Heat
8. de it back to the centre The legend should change to Heat automatic after a few seconds v Make sure that the PV system is switched on and generating power Clip the PV current transformer not for Simple around the PV supply live wire please refer to Figure 5 for correct placement note that the connection block labelled Block is not always present Take care to ensure that the magnet surfaces are clean and engage properly After a few seconds the yellow Sun display should indicate the value of the power currently being generated by the PV plant If the display reads zero or if you get a warning message the current transformer needs to be unclipped and reversed so that the live wire feeds through from the other direction note that the Sun display alternates every 6 seconds with the Gen display The yellow bar however always shows how much power is being generated v Clip the electricity supply input current transformer the export current transformer in Figure 5 around the live wire of the incoming electricity supply cable between the supply cut out fuse and the electricity meter or between the electricity meter and the consumer unit again ensuring that both magnet surfaces fully engage If the PV system is generating more power than the house uses the Net display value will be green after a short time allow up to a minute indicating that power is being exported If the house usage is greater th
9. ffect on the control of the water heater What s in the box Swe wres wees etwat Hot Water Tx Controller unit 1x Power throttle Se a S 1 x Wireless power throttle v CT clips with phono plug terminations 2 1 x Control signal cable with phono plug 1 x Power supply cable with power plug ee 1 5m of 5 core cable Ta Ss PVC cable glands Sy 4x Mounting screws for controller 1 x AC power supply ee SS 1 x Wattson display 1 x Wattson display power supply You will also need screws and the appropriate wall fixings for the power throttle Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 2 of 12 Optimmersion Installation steps 1 Inspection Wired versions Optimmersion Simple amp Optimmersion Wired Assess the existing immersion heater circuit to ensure that it is a dedicated radial circuit fed directly from the consumer unit Any other equipment which is also connected to this circuit must be disconnected and re wired Wireless versions Optimmersion wireless amp Optismart Hot Water The power throttle may be fitted next to the immersion heater in the airing cupboard by passing any spurs already connected to the circuit between the consumer unit and the immersion heater Mount the power throttle Wired versions the power throttle should be installed adjacent to the property s main consumer unit incoming electrical supply and the point at which the PV plant s dedicated supply circuit connects
10. od to set the nominal heater power This defaults to 3000 i e a 3 KW immersion heater The power field is a four digit decimal number which may be set in the range 0000 to 9999 You may select any of the digits by pressing L or R For the wired versions press IN to exit the parameter setting pages You can set two heater powers with the wireless versions corresponding to the heater connected to the wireless power throttle w ess and the wired power throttle if fitted You can also set which of the two or both is connected to the controller unit Press IN to complete the parameter setting 4 Before you leave Y Check Sun reading is non zero Y Check Net display is correct vV Explain controller switch function to client and introduce user manual Technical Specifications and Support Optimmersion is sold for professional use and installation If you have any questions regarding the installation or operation of the Optimmersion system visit our support site www energeno com uk support Power consumption of controller Transfer efficiency of throttle Max load current surge Amp half a cycle 250A non repetitive 25A Max load current constant Amp Mains frequency tolerance at 50Hz Operating temperature 65 2C operational Energeno Ltd 4 Floor 70 74 City Road Lond ECIY 28 ENEr GENO www energeno com Vision and Empowerment Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 12 of 12
11. to the consumer unit Wireless versions the power throttle can be installed anywhere along the immersion heater spur Please note there are separate wiring diagrams and instructions for wired and wireless versions We recommend that the controller and associated AC circuitry is protected by a 30 mA RCD Our chosen modular design allows the controller unit to be mounted away from the consumer unit in a more convenient position so that the display can be seen at a glance with ease The sensor cables are 2 metres long If installing Optimmersion on a PV system that feeds into a garage unit install the controller unit at the main fuse board as normal but fit the generation sensor to the feed from the garage unit Optim mersion will work correctly although if there is power usage in the garage then the display may under report power generated and used Please refer to the support section for more information LS Waicing the power throttle may run hot at times Mount the unit on a non flammable vertical surface and make sure that air is free to run through the vents If in doubt we recommend spacing the power throttle from the wall surface by 10 mm Auk only Warning inspect the existing immersion heater integral thermostat to ensure that it complies with safety requirements and regulations to provide thermal overload protection where the hot water system includes a plastic header tank Replace the thermostat if necessary Mount the controller unit
12. tts If using the wireless versions with an additional wired power throttle fitted you can also specify which of the power throttles to connect The toggle switch has five positions press up UP press down DN press left L press right R and press in IN These directions are appropriate for a unit mounted on a wall in the correct orientation Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 10 of 12 YN Optimmersion When power is first applied to the Simple units you will be prompted to set the clock see next section When power is first applied to all other versions a single digit count down timer appears If you do nothing during the countdown period the unit will continue with normal operation at the end of the count down period Normal operation resumes if you do nothing during the count down period otherwise the legend changes to the clock setting screen You can return to the first setting screen by pressing IN during normal operation when the screen is not being refreshed Press again if there is no response the first time Set the time The first setting screen displays the legend shown with the current clock time in the 24 hour format HH MM The right hand digit of the hours part of the time is the selected digit you can increase press UP or decrease press DN the value shown in the HH field in the range 00 to 23 Set the boost not for Simple For example if the current time is twent
13. witch from the mid position to the left position wait for the words Heat continuous to appear and then slide it back to the mid position the heater is turned fully on for 1 hour This is useful for all electric systems to boost the heat Repeat the process to cancel this function During the boost period the legend Heat 1 hr boost will appear in yellow at the bottom of the display and the blue Control bar should be at full length Right position Simple version the heater is turned off and Optimmersion has no effect Right position all other versions the heater is controlled automatically by Optimmersion However the heater is turned fully on during the boost periods under the control of the internal clock You can set up to three boost periods see below This switch setting is intended for Economy 7 or similar reduced rate tariff users The legend Heat auto night appears in yellow at the bottom of the display The current clock time is also displayed after the Control legend The legend changes to Heat boost 1 Heat boost 2 or Heat boost 3 during the corresponding boost period and the blue Control bar should be at full length 3 System parameter setting clock boost periods heater power and connectivity The toggle switch on the left hand side of the display may be used to set the clock up to three boost periods not with Simple and the nominal rating of the heater in Wa
14. y past four in the afternoon 16 20 you would set this to 16 as shown You can switch between the HH and MM fields by pressing L or R The left hand digit of the MM field will then be selected and you can set the MM field in the range 00 to 59 You would set this to 20 When you are Satisfied press IN to start the clock at the time shown by the digits on the screen The words Clock set appear briefly followed by the setting screen for setting the three boost periods The setting screen for the 1 period of heat boost appears This is the time at which the heater is turned on default value 02 00 during the first period of boosting Set the digits to your requirement and then press IN to set the turn off time Press IN again when you have entered the time at which you want the first boost period to end You can set the on and off times of the second and third heat boosting periods in a similar fashion By default these are set to 00 00 and 00 00 respectively The controller will ignore a boost period altogether if the on and off times are the same Make sure that the first second and third boost periods do not overlap with each other You should also note that a boost period must not include midnight so ensure you turn the boost OFF at 23 59 and ON again after 12 01 Set the heater power Optimmersion Installation Manual OMM ENG 1 11 07 13 Page 11 of 12 Optimmersion Press IN after setting the off time of the third boost peri
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