Installation Manual
Contents
1. 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 appears in green at the bottom of the display This is the normal position Right position the heater is not controlled by Optimmersion The legend Heat off appears in yellow at the bottom of the display All other versions 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 egend 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 Right position the heater is controlled automatically by Optimmersion However the heater is turned fully during any of the boost periods see below for instructions on how to set these up under the control of the internal clock This switch setting is intended for Economy 7 users The legend Heat auto boost appears in yellow at the bottom of the display The blue Control bar should be at full length during any of the three boost periods Mid left mid movement if the switch is moved from the mid position to the left position and then back to the mid pos2. Optimmersion Installation Manual 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 controller unit Mount the power throttle in a suitable location and the controller in its chosen location 3 Wiring controller to power throttle This is for the wired versions only 4 Wiring power throttle 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 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
3. current transformer this information is displayed but has no effect on the control of the water heater What s in the box Optimmersionversion Smole wired wireless horwar Hot Water O Z 1xControllerunit S o A S A S a S 1xPowerthrotte o MM 1xWireless power throttle o o o oS o A S A CT clips with phono plug terminations __ 2 2 1x Control signal cable with phono plug 1x Power supply cable with power plug _ 1 5m of 5 core cable PVC cable glands o o _4x Mounting screws for controller _ 1xACpowersupply 1x Wattson display 1x Wattson display power supply tt tt Ltt wi You will also need screws and the appropriate wall fixings for the power throttle Optimmersion Installation Manual Page 2 of 12 Optimmersion Installation steps 1 Inspection 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 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 sensor cables are 2 metres long Wired versions Optimmersion Simple amp Optimmersion Wired The power throttle should be installed adjacent to the property
4. e the system Y For wireless systems 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 and then to the centre v Make sure that the PV system is switched on and generating power Clip the PV current transformer 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 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 magn
5. et 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 than the generated power then the Net display value will be shown in red v You should check that this 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 2 Before you leave Y Check Sun reading is non zero v Explain controller function to client and v Check Net display is correct introduce user manual Optimmersion Installation Manual Page 8 of 12 Optimmersion Figure 5 CT clip placement Export current transformer here PV generation current transformer not for Simple Main a fuse Incoming Other supply circuits For Wireless Optimmersion only When the controller box and the power throttle are both powered up with RF box attached the red LED on the RF box will stay lit for 1 minute After this the LED should blink every second which indicates it is receiving signals from the control box If it does not blink every second please f
6. 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 Press IN to exit the parameter setting pages Optimmersion Installation Manual Page 11 of 12 Optimmersion 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 Meclentcorertsvar ime penvepetve 25a ENEr GENO Vision and Empowerment Energeno Ltd 4 Floor 70 74 City Road London EC1Y 2BJ www energeno com OMM ENG 1 7 05 13 Optimmersion Installation Manual Page 12 of 12
7. git you can increase press UP or decrease press DN the value shown in the HH field in the range 00 to 23 For example if the current time is twenty past four in the afternoon 16 20 you would set this to 16 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 Set the boost 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 and then the setting screen for the first 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 Set the heater power Press IN after setting the off time of the third boost period to set the nominal heater power This defaults to 3000 i e a 3 KW immersion heater shown at 9 The power field is a
8. ition 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 4 System parameter setting The toggle switch on the left hand side of the display may be used to set the clock the on and off times of up to three heater boost periods and the nominal rating of the heater in Watts It 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 When power is first applied to the unit a single digit count down timer appears If you do nothing the unit will continue with normal operation at the end of the count down period Optimmersion Installation Manual Page 10 of 12 AN La n N 0ptimmersion You can enter the first setting screen by pressing the joystick in IN within the count down period You can also get back to the first setting screen by pressing the joystick in 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 setting instructions appear together 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 di
9. n Manual Page 5 of 12 Optimmersion Figure 2b Controller power throttle wiring wireless versions controller unit power throttle AC adaptor not used centre screen outer 0 Wireless o water heater versions supply input only wireless receiver L N E from consumer unit Figure 3a Power throttle immersion element circuit wiring wired versions phono plug to versions to controller unit either way only throttle 5 core 1 5 mm cable consumer unit ajeay 1 7eM 7 Jayeay JayeM N JDN 197894134E M woy Ajddns 7 Optimmersion Installation Manual Page 6 of 12 Optimmersion Figure 3b Power throttle immersion element circuit wiring wireless versions SIGNAL white Wireless wireless versions receiver only power throttle 5 core 1 5 mm cable consumer unit aJeay JaJem J4a7e 4 37EM N Fo A 4eyeaysajem Wiad Ajdeans 7 Figure 4 Immersion heat circuit in consumer unit 5 core 1 5mm cable Existing water heater cable m a cn Ol OJO O 2 ar Optimmersion Installation Manual 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 energiz
10. ollow the below Does the LED double blink every second rather than blink once every second v Yes This means the units are not paired but are within range and need to be paired To do this turn off the power to the power throttle open up the controller box and hold down the button Wireless on the transmitter PCB until its LED is permanently lit then within 30 seconds turn on the power versions to the power throttle The LED on the RF box should become permanently lit and then blink 5 only times quickly to indicate it has paired with the controller box It should then blink every second x No the LED is permanently off Disconnect the controller from the clips and move the controller box closer to the power throttle a few feet away and then plug in the PSU so the controller box is powered If the LED blinks or double blinks on the RF box this means the original location of the controller was too far away from the power throttle and will need to be positioned closer Repeat 1 if the LED is double blinking If the LED still does not blink or double blink Check that the RF box is correctly wired into the power throttle Optimmersion Installation Manual Page 9 of 12 Optimmersion 3 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 Simple version Left position the heater is fully on and Optimmersion has
11. s main consumer unit incoming electrical supply and the point at which the PV plant s dedicated supply circuit connects to the consumer unit Wireless versions Optimmersion wireless amp Optismart Hot Water The power throttle can be installed anywhere along the immersion heater spur Please note that there are separate wiring diagrams and instructions for wired and wireless versions N warning 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 controller unit 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 The cable entry slot is designed to allow the power and phono cables to be threaded through from the rear or from the bot
12. tom 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 Optimmersion Installation Manual Page 3 of 12 Optimmersion Figure 1a Controller unit wired versions ar Wired versions only PT ne ae ee E Optimmersion low voltage AC power supply input from the power throttle underneath F Socket for the clip on current transformer which monitors the PV output not used for Simple G Socket for the clip on transformer which monitors the current at the electricity meter H Low voltage control signal output to the power throttle To wire the controller to the power throttle insert the supply lead plug end into socket E and connect the free ends to the AC O P screw terminals within the power throttle as shown in Figures 2 and 3 These may be connected either way around Figure 1b Controller unit wireless versions E underneath F Wireless versions only E Optimmersion low voltage AC power supply input from the AC power supply l Wireless transmitter pairing button F Socket for the clip on current transformer which monitors the PV output J Pairing button G Socket for the clip on transformer which monitors the current at the electrici
13. ty K LED meter Optimmersion Installation Manual Page 4 of 12 Optimmersion 3 Wiring power throttle Use the 5 core cable and PVC cable glands provided between the consumer unit and the power throttle intercepting the dedicated water heater circuit Make the connections as shown in the wiring diagrams Figures 2a 3a and 4 for wired versions and Figures 2b 3b and 4 for wireless versions below At this stage please leave both current transformers plugged in but unclipped L 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 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 an means for local isolation Alternatively you can install a means of locking off the circuit breaker Figure 2a Controller power throttle wiring wired versions Wired versions only controller unit power throttle connect not used either way around centre screen outer 0 power supply cable supply input i control cable PV output not for Simple L N E from consumer unit Optimmersion Installatio
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