Quick Start Installation and User Manual
Contents
1. Quick Start Installation and User Manual Contents Technical Specifications Mounting Clamp Installation Installation Settings Safety Notes Potentially dangerous High Voltages are present and therefore this equipment should only be installed by a qualified person Connect the equipment according to the correct IEE regulations and separate all wiring according to IEC1010 Make sure all screw terminals are tight before you switch the equipment on Don t touch any circuitry after you have connected the equipment because there may be lethal voltages on the circuit board or connector terminals Equipment designed for Pollution Degree 2 environments only This means you must install it in a clean dry environment Overview Thank you for choosing Solarlmmersion Solarlmmersion is an intelligent surplus power control system for your PV system It diverts surplus power which would normally be exported to the grid When the unit is connected to an immersion heater it could provide free hot water from the surplus power Solarlmmersion Highlights e Heats water using surplus from all sorts of micro generation systems wind turbines hydro power e Keeps exported power as close to zero as possible by adjusting power levels to the immersion heater Single sensor clip LCD display for easy control and management of the unit No need to change immersion heater or the tank No manual intervention required2. Sub Menu options Enter ENT to select a Menu option or save new values Escape ESC to cancel an action and return to the default home screen 1 Within the main menu there are 9 options they are 1 2 3 4 5 6 8 9 IMPORTANT TO ACTIVATE THE MAIN MENU HOLD DOWN THE ENT BUTTON FOR 4 SECONDS Set Time Set Override Set Auto Boost Set Secondary Load Set Export Level Set De Strat Set Relay Mode Factory Reset Advanced Settings USE UP AND DOWN BUTTONS TO MOVE BETWEEN THE MENU ITEMS TO SELECT AN ITEM TO CHANGE PRESS ENT BUTTON ONCE THE CORRECT VALUE IS SELECTED USING THE UP AND DOWN BUTTONS PRESS ENT BUTTON TO SAVE THE VALUE THE SCREEN WILL RETURN TO THE DEFAULT HOME DISPLAY AFTER SAVING THE VALUE USE ESC BUTTON AT ANY TIME TO RETURN TO THE HOME SCREEN AND RETAIN THE NORMAL OPERATION OF THE SWITCH LCD BACKLIGHT TURNs OFF AFTER 5 MIN TO SAVE ENERGY TO TURN ON THE BACKLIGHT AGAIN HOLD ESC BUTTON FOR 1 SEC ALL MENU BUTTON OPERATIONS EXCEPT OVR SHOULD END BY PRESSING ESC Setting the time Main Menu Set Time Activate menu and select Set time by pressing Ent button to get the screen below Menu Hour tl 12 Press ENT to change the hour and use Up Down buttons When correct hour is selected to save the settings press ENT The new value will be saved and you will return to the home screen To set the minute
3. be activated to divert the surplus power after the primary load is cut off Scroll through the menu to the Set Secondary Ld Option and press ENT The screen will display the status of the secondary load To enable the Secondary Load change the staus from Disabled to Enabled Scroll to Load Timein This is to set how long minutes after the primary load is turned off the secondary load will activate Press enter to change the duration When you have selected desired time press ENT to save the value The next sub menu is Timeout Timeout decides how much time minutes the secondary load should remain activated before switching back to the primary load Please note that if the primary load is still saturated the whole cycle will continue and the secondary load will be turned back on 17 The last sub menu is the minimum surplus This is how much surplus power is required before the secondary load is activated Watts For example if you set the min surplus to 1000 Watts the secondary load will not be activated if the surplus is less than 1000Watts Setting the Export Level This will set the amount of power you wish to export back to the grid which can be as little as OW Scroll to Set Export Level in the main menu and press enter Menu gt Export Lev will appear Press enter to change select the correct amount in multiples of ten and press enter to save new values Setting the De
4. repeat the step above until you come to Menu gt Hour scroll up to change minute press enter and select correct minutes using the UP and DOWN keys Press ENT button to save the minutes Menu Minute Lo Once this action has been carried out you will return to the Default home screen 13 Appendix 1 Menu Options amp Controls Full List Setting the time Main Menu Set Time Activate menu and select Set time by pressing Ent button to get the screen below Menu Hour tl Press ENT to change the hour and use Up Down buttons When correct hour is selected to save the settings press ENT The new value will be saved and you will return to the home screen To set the minute repeat the step above until you come to Menu gt Hour scroll up to change minute press enter and select correct minutes using the UP and DOWN keys Press ENT button to save the minutes 14 Once this action has been carried out you will return to the Default home screen Setting the override function The override function can be activated to bypass the Solarimmersion switch and turn on the immersion heater For example if there is a boiler failure and you need to use the immersion heater to heat water Scroll through the main menu to Set Override press ENT There is one sub menu within the function Timeout The number below Menu gt Timeout is the n
5. to use surplus power Built in override and boost timer functions to an immersion heater manually if required No threshold levels so less wasted power Built in multifunction relay for inductive load Supports up to 4 slave units Internal thermal protection 1 year warranty Multiple loads No flickering or line noise 2 Technical Specifications Dimensions Width 115mm Height 225mm Depth 62mm Electrical Specifications Description i Nominal Supply Voltage VAC Supply Frequency Hz Load Current A Load Size kW Relay Contact Voltage VAC Relay Contact Current A Clamp Current A PV System Size W 3 Installation Mounting To keep the installation quick and easy we recommend that Solarlmmersion is installed near to the consumer unit as most of the connections required can usually be found here When choosing a suitable place to install SolariImmersion the following should be considered Near to the main incoming mains supply of the property Access to the immersion heater supply cable normally at the consumer unit Access to suitable supply via 16A MCB or 13A fused outlet Ease of access and visibility of Solarlmmersion LCD Screen and control buttons Good ventilation to keep air flowing through the unit at least 100mm around the unit Suitable cable access point location through the top or bottom of the unit Secure the Solarlmmersion to the wall with the two screws or using suitable
6. 5 seconds 3a If the sensor clip is installed correctly the display will be as below with the LED indicator blinking Heaterl 04 Pur 12149 Waiting 3b If the display is as below then you have to swap the wiring on the CT sensor terminals Once the terminals are swapped restart the switch and make sure the display is as picture 3a Heater 1904 Pur 17 36 Divertin9 Step 4 Set the correct time Please see section 5 LCD Display and Menu Controls Setting Time Step 5 Turn the PV inverter back on That completes the installation and Solarlmmersion should now start to divert any surplus power if available to the immersion heater or the connected load 10 5 LCD Display and Menu Controls Setting Time When you have turned on the unit the default home screen will appear this is the screen which you will return to every time you press ESC key Heater 04 Pur 1 ing of power at which the 12 49 Wa Current Load This will be Switch Status When diverting connected load is working It E heater 2 when the the surplus power the status will increase or decrease secondary load is will change to Diverting depending on the surplus activated power available There are FIVE control buttons underneath the LCD screen Override OVR to activate the Override function Hold for 2 seconds to activate Up to navigate through the Menu Sub Menu options Down to navigate through the Menu
7. Strat De Strat will improve the efficiency of the system by enabling a pump to mix the water in the hot water tank Scroll to Set De Strat and press enter to see the status of this function 18 The only Sub Menu in this section is the point at which the De Strat function will activate This is a percentage value Start at 50 means your De Strat pump will activate when the immersion heater is working at 50 of it capacity For example if you have a 3kW immersion heater the De Strat will activate at 1500W with a setting of 50 Setting the Relay Mode This mode is to be used with inductive appliances 19 Scroll to Set Relay Mode on the main menu and press ENT Menu gt On Level will be displayed This sets the amount of surplus power at which the load will be activated The number below is the amount of watts at which the load will activate To change press ENT and use up down buttons to alter wattage Press ENT to save value Factory Reset This function returns all settings on the switch to default settings Scroll to Factory Reset on the main menu and press ENT You will be asked To reset press enter press ENT again You will be asked once more Factory reset Enter to Confirm Press ENT The switch will now restart with the default settings 20 Advanced Settings Advanced settings should be used only by the service personnel Change the
8. ally open relay terminal NO Common relay terminal Normally closed relay terminal All relay terminals are volt free and max current is 16A Sensor Terminal Terminal Description CT AC current sensor clamp terminal CT AC current sensor clamp terminal Slave Communication Terminals Terminal Description Slave A Terminal for connecting slave Slave B Terminal for connecting slave Wiring Diagram Single Heater For simple single heater control no relay terminal wirings are required as the secondary load de strat pump options are not used The default factory settings of the Solarlmmersion are optimised for a single heater configuration This keeps the installation simple as the only menu setting required is setting the correct time SINGLE SYSTEM WIRING CONSUMER UNIT CLIP ON IMMERSION MAINS SUPPLY CT HEATER 16A MCB ISISISISIS IN COMING MAINS Sensor Clip Installation The correct installation and positioning of the current sensor clip is very important for the efficient operation of Solarlmmersion Installing the sensor wrong could result in importing of power and user incurring additional costs for electricity The sensor clip should be installed at the main incoming grid supply to the building which could be from the utility meter Please note it is Utility meter NOT the PV generation meter Close the clip around either of the cables Live or Neutral from the meter This c
9. an either be done at the meter or inside the consumer unit Only open a consumer unit if you are qualified to do so or are an experienced electrician If there is more than one consumer unit the clip must be positioned at the primary income source before it splits IMPORTANT SENSOR CLIP HAS TO BE ON THE UTLITY METER TAILS AND ALWAYS ENSURE THE CLIP IS CLOSED SECURELY AROUND THE CABLE Connect the clamp wire to the terminals inside Solarlmmersion If the sensor clip cable is not long enough it can be extended up to 50m but this must be done using a twisted pair cable in order to stop any possible interference Try to keep the extension cable as short as possible as the signal strength from the sensor is very low 4 Installation Settings Once the unit is wired Solarlmmersion has to be configured with the parameters required for the particular installation type used By default for simple installations with a single heater the only configuration requirements are below Please see the advanced setup guide for more advanced setup configurations like secondary load relay mode de strat etc Follow the steps below to calibrate and setup the unit Step 1 Turn off the PV or micro generation system This is to make sure power is only imported which is essential for sensor clip calibration Step 2 Turn on Solarlmmersion unit Step 3 Turn on a high load like a kettle or a 2kW heater to make sure power is imported and wait for
10. fixings for the surface type Electrical Installation ATTENTION Electrical connection should only be made by a qualified competent person Please do not attempt to do install Solarlmmersion unless you hold such qualifications or are an experienced electrician Alterations to fixed wiring and or opening the consumer unit may be required risk of death by electrocution Locate the most appropriate cable access point at bottom or top of the unit to make connections to the unit according to the wiring diagram Loads The proportionally controlled primary or secondary load connected should not exceed 4kW The load should not include digital circuits as they may be affected by the modulated output from the Solarlmmersion The relay terminals could be used to drive inductive or resistive load when used with the Relay Mode enabled The max load should not exceed 4kW and could have digital circuits Terminals ATTENTION Make sure the wiring cables are securely connected and fully tighten with the rising clamp terminals Failure to do so can result in fire or the Solarlmmersion unit being damaged Power Terminals Terminal Description djy bese es Proportional output to the load Max 4kW L Live 2 Main Live 240 V input supply from 16A MCB 13A fused outlet N Neutral 2 Mains Neutral All neutral terminals internally connected E Earth 3 Main Earth Relay Terminals Terminal Description Norm
11. settings may damage the switch Advanced settings menu includes 21 O O O O O Cut off Temperature Set the cut off temperature Also displays the current system temperature Temp Timeout Timeout in minutes How long the system should remain turned off on over heating situation Load Calibration Connected Load Connected load rating Voltage Calibration Current Calibration Phase Calibration Trigger Start Point To calibrate the offset of 0 255 from microcontroller amp 2 10 v of the proportional controller Display Offset To adjust the wattage display settings on the home screen If the settings are less than 1000 the displayed value is reduced by the entered value If the settings is more than 1000 1000 the saved value is added to the displayed watts
12. umber of minutes the override function will be on for To change this press ENT button and you will see Change Timeout Use the Up Down buttons to change the minutes and press ENT button to save the time To activate the override press the OVR button on the front panel whenever needed Setting the auto boost function The Auto boost function is activated to utilize Economy7 Tariff from your energy supplier 15 Scroll to Set Auto Boost and press ENT button The screen will tell you the status of the Auto Boost function To change the status press ENT and change to Enabled Disabled Scroll to Timeout and press ENT You will see Change Timeout with a number below This is the number of hours you want the Auto boost to run for Select the desired amount of hours and press ENT for Solarimmersion to save your new values The next submenu of the Auto boost function is Menu gt Start Hour These settings will decide at what hour the Auto boost function should start To select this press enter choose your desired start time and press ENT again Your new values will be saved and you will return to the default home screen 16 Setting the secondary load Once your immersion heater or primary load is saturated when the water reaches the cutoff temperature of the thermostat the surplus power will flow back to the grid To avoid this you can enable a secondary load to
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