I2 data sheet
Contents
1. DIN terminals for 2 5 or 4mm2 One 3 core cable to MCB RCBO cable One 3 core to load Terminal strip for current sensor DNO meter end wall of enclosure conduit fitting cable glands or using without extras 30W of export to grid Default value can be easily altered by user down to zero Quiescent power 05W _ S o unit Sensor to near consumer unit or Efficiency input power gt 99 for power more than Gas and oil boilers are around 50 transferred to hot water 500W 70 for short water heating cycles Mer a coloured enamel coating delivered 2kW Time to stabilise load lt 0 5 sec power after an instantaneous step in generation or house load operating air around unit al aa storage Humidity Non condensing Dust and water protection IP50 Semi sealed Keep away from use around incoming mains supply Sensor cable length 2 m Can be extended up to 30m and degradation is accepted Front panel controls Switch for load off automatic Can override permanently or set operation load fully on one a one hour top up at full load hour top up power Indicators LEDs for unit on power level to LED s brightness or flash rate load import power level export indicates level of power oower level 220 x 145 x 55mm Weight 1 5kg External wiring 2 5 or 4mmz2 twin and earth Must be earthed recommended Mounting 3 holes in back plate for screws Recommended to mount near Mount in free air Any orientation consumer unit allowe2. a fixed export threshold is reached which is useful for heat pumps and switching washing machines on for a fixed period of time Circulation pumps can be controlled from this relay as can switch signal level inputs and indicator lamps Typically you can generate enough hot water for a family of 3 4 for half the year and contribute towards it in the winter too thus saving much of the normal fuel you use to heat your water You save further by turning your boiler and its pilot light off completely for the summer Also you could use the device to heat up a towel rail or under floor heating Many have been installed already and have proved very successful and reliable There are no parts that will wear out or displays to fade Compared with similar Save Energy products it is much more robustly constructed so will last well I have looked at It is simple to similar products install needing and there is no only two wires comparison The connecting into is of much higher your immersion quality circuit and no construction Very changes to the easy to install TC main house from a London PV wiring A sensor installer clips around one of the main wires near your meter or consumer unit It uses your existing 3kW immersion so there is no expense needed to change it Intelligent Immersion Save Energy with Intelligence The price is around the same as some products offering a reduced performance or quality o
3. 0 10kWh 06 00 12 00 18 00 In the second graph the water is up to temperature by 12 30 as there is less water used For the rest of the day the thermostat cycles to keep the water hot Despite clouds going by making the generation very variable up to 12 30 purchased a pre production box the fast processor in the I very accurately controls jt works very well with no light the export to a steady minimum and carries on doing flickering and a low switching so every time the thermostat cuts back in again It margin find them very straight only imports power when the sun is too dim to and knowledgeable JU of Herts supply the entire house load and exports when the water is hot With a simple wiring change this export could be directed to a second load like a second immersion or a house heater 0 25kWh Generation 0 20kWh 0 15kWh I 0 10kWh Import YMA A 0 05kWh E NN wa aS O0 00kWh 0 05k Wh 0 10kV hi 0 15k Wh 0 20k Wh 06 00 12 00 18 00 ii 04 980kWh was delivered into this immersion in a year With the more common 4kW PV system it would have been around 1500kWh The export is less with the latest software as seen on the right where the export line is flat at zero until the thermostat cuts out Save Energy with Intelligence 7 12 Save Energy with Intelligence SPECI FICATION Parameter Data CE Notes Voltage range 210 250VAC 50 2 Hz output motor or capacitive loads output changeover contacts loads Terminals
4. Save Energy with Intelligence INTELLIGENT IMMERSION Do you have solar panels or a wind or water turbine Now you can heat your water free The Intelligent Immersion Model I is a small all electronic device for your home that rather than exporting your surplus power to the grid diverts electricity from a microgenerator such as solar PV or wind water turbine to an immersion heater or other heating load Using clever software it modulates the heater current to constantly match the house load and PV generation thus delivering maximum power into the heater and minimum power to the grid It responds to changes in house demand or generation in seconds so is always matching what the house is doing It is fully automatic and needs no owner adjustment or interaction Indicator lights on the unit tell you what it is doing and how much electricity is passing to the load and the grid The thermostat in your immersion keeps the water to the right temperature As this unit modulates the heater current it will not import electricity for heating or export when not required The unit has a useful override switch to turn the heater fully on for a short period using grid power if your hot water needs a quick boost on a dull day An extra relay inside the unit enables an output to be made to second loads when the first load has got up to temperature such as a second immersion heater storage heater or towel rail It can also switch a load when
5. d Protection 15A and 1A fuses Surge suppressor EMC filter EMC and Approvals CE marked For UK EU use only Save Energy with Intelligence 7 12 Save Energy with Intelligence Parameter Data Ntes ____ EMC and Low Voltage Directives 2004 108 EC and 2006 95 EC Does not use Burst Firing to BS EN 61000 6 1 Generic control power so no risk of Immunity causing owner s and neighbours BS EN 61000 6 3 Generic lights to flicker Emissions BS EN 61000 4 3 Immunity to radiated emissions BS EN 61000 4 14 Flicker Warrantee o Warrantee 3 year return to base Made in UK Expected life 20 years No moving parts apart from occasionally used switch Predicted MTBF gt 200 000 hours a Supplied with Current sensor and cable No additional parts apart from User manual wall screws and mains cable are Installation manual needed to fit the unit Indicative annual input to 1200 1700kWh Assumes a 4 person household immersion heater Realistic maximum is around 2000kWh to immersion heater load is very low Economy 7 water heating Payback time with 1 2 years Not including installation cost oil LPG full rate electricity water heating Note 1 Performance and payback times are not guaranteed Because every house is different in its amount of sunshine size of PV system use of hot water and electricity etc we can only provide indicative figures We can say though that the I performance is as good as or better than any o
6. f construction Typical payback time in UK is 2 3 years if you normally use gas water heating or 1 2 years if you have oil LPG or full price electric water heating For the more expensive fuels a typical UK family house with a 4kW PV array might save 200 off your annual water heating bill Intelligent I mmersion Ltd www intelligent immersion co uk Email info intelligent immersion co uk 07962 216671 What exemplary customer service by the way Truly your dedication is impressive RM of Cumbria My provided enough hot water each day for most months in 2012 without resorting to switching on the gas water heating It never imports when loads or generation change Once installed you just forget it is there and it needs no user intervention highly recommend the I device to anyone It does exactly what it says on the tin and at a cost which makes sense from a returns point of view KH of South Yorks Save Energy with Intelligence HOW DOES IT PERFORM These daily graphs are taken from an installation in London in summer with a 3kW PV system The vertical axis is kWh in a 5 minute period In the first graph export is controlled to a low value until the thermostat cuts out at 4pm About half the generation goes into the immersion a tiny amount is exported and the rest feeds the house load 0 20kWh Generation 0 15kWh 0 10kWh Immersion Import Vy 0 05kWh YN woth ps 0 00kWh Export P 0 05kWh
7. ther proportional diversion controller currently available and much better than any that only switch the load fully on and off London is reasonably representative of average English and Welsh sunshine but the North of England and Scotland will have less in most locations THE COMPANY Who is behind Intelligent Immersion Ltd Technical Director Edward Chase is a Cambridge University educated Chartered Engineer who has been designing electronic controllers for the solar industry for a number of years His background in Safety and Reliability Engineering has been used in the design to develop a highly reliable and robust product Technical Consultant Paul Mcallister like Edward was a pioneer in the low cost solar diverter market They pooled their design ideas to develop the current model of the 1 He is an Electronics Engineer with a PhD who also designs high reliability satellite electronic systems Company Secretary John Spens brings his business experience from being the CEO of a 17m pa turnover company Manufacture is subcontracted out to competent UK companies and final testing and quality control is performed in house to ensure you receive a perfect product We pride ourselves on our customer support and are happy to answer even the most challenging of questions and advise you on your installation Save Energy with Intelligence 7 12
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