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Geo solo User Instructions

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Type: User Instructions
Category: Monitor
Pages: 16
Size: 1.28 MB


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Solo | PV Display  

User instructions


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 2 | geo helpline: 0845 519 7226

The Solo product is designed to be 

installed simply and without the need 

for a qualified electrical installer. There 

is no need to open fuse boxes or to connect or 

disconnect any cabling. It is designed to be used 

inside a suitable building or meter cabinet.  


Don’t fit rechargeable batteries. 

When fitting the LED head,  ensure the 

meter connection is clear of debris and 

is not perished in anyway (cracked or 

burned) or wet. If you have any doubts about 

its condition, do not install the sensor, contact 

your solar panel installer.  

For use in dry environments only. Keep the Solo 

away from water and other liquids. Disconnect 

before cleaning and do not immerse in water or 

other liquids. Please contact Green Energy Options 

if any components appear damaged or faulty, 

details are at the back of this booklet. 

To protect the environment, this product 

and batteries must be disposed of safely 

at the end of their life. Please take to a 

recycling centre for safe disposal.

RoHS compliant

CE approved. For use within the EU.


We’d like to thank you for buying the  

Solo which is designed to show what 

your PV array is generating. This booklet 

explains how to set up and use your Solo 

in a simple, clear way. If you have any 

problems or questions please call us. The 

number is at the bottom of this page, and 

we’ll be pleased to help. 
The Solo is designed to help you learn 

about the electricity you are generating, 

and to spot when the best time to use your 

energy hungry appliances is! 
This will help you to reduce your CO2 

output and save money - how? 

Well, the Solo gives you lots of visual 

feedback on the energy you are generating 

and the money and carbon you are saving 

in comparison with using electricity from 

the grid. 
It shows you what’s happening right  

now and how much you are earning. 
The next few pages tell you how to install 

and get the best out of your Solo. We hope 

you’ll enjoy using the Solo and will pass 

the word on to your friends. 

It is important to observe some simple safety precautions when using this product.  

Please read this important information before continuing. Safe operation of the  

Solo is impaired if used in a manner not specified by the manufacturer.

Safety notice


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 www.greenenergyoptions.co.uk | 3 

What’s in the box



Power Supply 

(UK/EU/AU available)

SD Card 








Display (Receiver)

The display shows your energy generation. It 

receives a wireless signal from the transmitter 

unit. The display is mains powered and can 

be mounted on the stand. The display can 

be powered by 4 AA batteries for short term 

portable use only.


The transmitter unit will sit next to your 

existing generation meter, and sends the 

readings to the display. The transmitter is 

powered by 3 AA batteries. 

Power Supply

This is to power the display. Please do not  

use any other supply to power the display. 

LED Reader (Velcro)

The LED reader will work with any meter  

with a visible LED pulse (you will be able  

to see this on the face of your meter).  

For more information please see page 9.

The LED reader connects to the face of the 

meter (over the LED), you will need to attach 

using the Velcro included. The sensor then 

measures the amount of energy you are 

generating after you have set the pulse  

rate. See page 9 for details.

To connect the sensor you just plug it  

firmly into the bottom of the transmitter. 

LED Reader



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 4 | geo helpline: 0845 519 7226


Setting-up the Solo for the first time takes only a few minutes  

and is described in the next few pages.

Right button
Set button

Power socket

Left button



Outer gauge


Inner gauge



Battery life



Units of measurement:  
















PV array size 



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Setting-up the display


Unpack the display and the power supply. 

Decide where you want to put the display, 

we suggest the main living area (it needs  

to be within 30 meters of the transmitter 

and generation meter).


Plug the power supply into a mains socket 

and insert the cable to the power socket at 

the side of the display.


The Solo can be run off batteries for short 

periods of time whilst you are setting it up 

and finding the best place for it. However 

it is designed to run off the mains adapter 

provided. Relying on the batteries for too 

long will result in the display powering 

down, so please ensure you limit the amount 

of time the display is run on the batteries.  


If the batteries do run down, please remove 

the old batteries and replace with new 

batteries. Do not leave the old batteries  

in the unit. 


If for some reason your display turns off 

having lost power, the sensor will remain 

collecting the total energy generated.



 www.greenenergyoptions.co.uk | 5 

The display

The display is in three sections, and looks  

a bit like a car dashboard.


 The top section is your ‘Speedometer’; it 

shows you how much electricity is being 

generated right now (how ‘fast’ your panels 

are working!). 


 The middle section is your ‘Milometer’; it 

shows you how much electricity you have 

generated today (this can be shown as a 

monetary value or the number of kilowatt 

hours or as carbon saved). 


 The lower section is your ‘Fuel gauge’; the 

outer gauge shows your total generation over 

the course of the day and the inner gauge 

shows a preset generation target of 50% of 

what we expect your PV array to generate. 


When you are generating more than 750W 

the tick will show so that you know when 

you are generating enough power to turn on 

your energy hungry appliances (like washing 

machines and dishwashers). 

This ensures you are making the most of the 

electricity you are generating.

The buttons

Immediately under the display are three black 

buttons. You’ll use these when you set up the Solo 

and move between the different display modes.


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 6 | geo helpline: 0845 519 7226


Setting the size of your PV array and feed in tariff

So that the Solo can show you what you are earning by using solar panels you  

will also need to enter your feed in tariff rates.


Set the currency: ($, £, kr, €) using the left and right buttons  

on the display then press the set button to confirm. 


Set tariff: This is in pence. For example, 10.00 is ten pence.  

All feed in tariffs should be fixed at 43.3 pence for retrofit  

(arrays which have been installed onto existing buildings)  

and 37.8 pence for solar panels which have been installed  

onto new buildings. Check with your PV installer if you are  



The Solo can accept three sizes of PV array so that it can more 

accurately display your generation activity on the speedometer. You 

can choose from 2kW, 3kW or 4kW (if your array does not exactly 

match one of these please choose the closest) and as the size 

increases the number of bars that are lit will also increase. 

Setting the year, time & date

After powering on the display it should be showing  

the main screen. If not press the middle button until it  

appears. To start setting up the Solo press and hold the  

Set button until the Set Year screen appears.  


Press the left and right buttons to change the flashing 

numbers until the correct ‘year’ is displayed, then press  

the Set button to confirm this and it will move you to the 

next screen.  


Use the same technique to set the ‘month and day’. Press the 

left and right buttons to change the flashing numbers until 

the correct month and day is displayed, then press the set 

button to confirm this and it will move you to the next screen.  


Then with the same technique again, set the ‘hour and 

minutes’ (If you wish to make any changes you can press 

and hold the set button and this will allow you to go back  

a screen).


If there is a time 

change you will 

need to update the 

time on your Solo 

(for example  GMT 

to BST).


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 www.greenenergyoptions.co.uk | 7 

Set the power down time

This switches off the backlight to save power:


Off – The display remains on permanently.


1 or 2 – The display goes to sleep after one or two  

minutes, waking up briefly every 15 minutes. 


Press the set button to confirm.

Set the sleep period

This allows you to switch the display off overnight. 


On disp – The time when you want it to wake up.


Off disp – The time when you want it to go to sleep.


Press the set button to confirm.

Set the pulse  

This sets the pulse rate that the LED reader needs to use  

to measure the generation levels. A full list of pulse rates  

for different meters is included on page 15. If you need  

further clarification please just call the help line. You may  

also find the pulse rate on the face of your meter. If you  

are setting 10,000 pulses/kWh the screen will read mA.


Press the set button to confirm.


If you have already powered up your transmitter, and wish to change the Setup entry  

for the pulse rate, you will need to reset the transmitter for it to pick up this setting  

change. To do this, simply remove a battery or the mains power for more than 10 seconds, then 

re-fit it again.

Now you’ve finished entering the settings


Press the set button one more time and you’ll see the main screen. The numbers and gauges 

won’t be working just yet – the sensor still needs to be connected to your meter. Please note: If 

you ever go back into settings once the system is operational, we recommend you minimise the 

time the unit spends in settings mode as sensor data is ignored during this time.

If you want to reset the readings

If you want to reset the readings, you need to perform a factory reset of both the display  

and the transmitter. 


On the transmitter hold the pair button and then insert the batteries, 


On the display hold the pairing button whilst applying power (DC jack or batteries)  

and the device will show ‘memclr’.

Once you have done this you need to pair the two units again (see page 8).


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 8 | geo helpline: 0845 519 7226

Setting-up the transmitter 

and wireless connection

LED Pair button

Under the 

cover of the 


Reverse of  

the display

Pair button

Activate the transmitter 

•  Remove the battery cover from the 


•  Remove the protective strip from the 

batteries, the LED should flash for one 

second. If not, try rolling the batteries in situ.

•  Don’t replace the battery cover yet...

Confirm communication 

between the transmitter 

and the display

The transmitter and the monitor display need 

to be able to talk to each other via wireless 

communication. They should be paired when 

you receive them, if not you need to ‘pair’ them. 

To check they are paired insert the batteries  

into the transmitter and turn on the display.  

Within a minute you should see the 

communication icon light up on the display 

screen. If the communication icon does not  

light up follow the steps below:
1.  On the display: press the pair button on  

the back. You should see a ‘pairing ‘ screen. 

2.  On the transmitter: remove a battery. Then 

while holding down the pair button replace 

the battery. Keep the pair button pressed 

down until the green LED has gone off.  


On the display: Wait for a couple of seconds 

and the display will show a ‘pair’ screen  

with a tick. Press the set button to go back  

to the main screen.

3.  Pairing may still not be successful so  

simply repeat the process. You may need  

to do this more than once.  If the ‘X’ pair 

screen appears you have not managed  

to pair in the time allocated - simply  

press the set button and go back to step 1.

4.  Once paired, press the set button to return 

to the main screen. You should now see the 

lightning bolt (communications icon) lit up.

Please do not use  

a sharp metal object 

such as a knife or 

screwdriver to lever 

the batteries!


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 www.greenenergyoptions.co.uk | 9 



•  Locate the connection point on the face of 

your meter (Please note that the position 

on the meter may vary depending on 


•  Initially, without touching it, look  

to see if it is in good condition. 

ImPORTAnT: If there is any visible damage 

or you have any doubts about its condition, 

do not install the LED reader. Call your solar 

panel installer.

•  If you are happy with the condition of the 

connection point, fit the LED reader onto the 

connection point. 

•  This sensor requires Velcro to attach to 

the meter. Simply peel off the backing and 

attach onto the face of the meter so that the 

LED flashing light shows through the centre 

circle of the Velcro. Apply the other half to 

the LED sensor.

•  make sure the LED reader is secure.
•  Plug the LED reader cable firmly into the 

right-hand socket on the underside of the 

transmitter (the right-hand socket as you 

look at the front of the transmitter). 

•  now go back and check the display. If things 

are working properly and your solar panels 

are generating power you should see a 

reading on the Speedometer.  

For more information on suitable meters and if 

you need to know what pulse rate to set your 

display at please see page 15.

Fitting the transmitter  

and the LED reader




8 5 0 2 1 0

LED reader

Please look for a 

flashing coloured 

light on the meter. 

(See page 15 for  

more details.)


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 10 | geo helpline: 0845 519 7226

The Speedometer

The Speedometer shows you how much 

electricity your array is generating right now.
•  Press the left or right buttons to change the 

display so it shows how much electricity is 

being generated in different units.

•  $, kr, £, € /h  The amount you are earning 

is calculated from the tariff you entered 

and shows you how much you are earning 

by generating your electricity using solar 


•  kg/h  The amount of CO2 production is 

calculated from an average figure for the 

mass of CO2 generated by a power station 

per unit of electricity. It gives you a feeling 

for the amount of CO2 that would be 

generated if you were using electricity from 

the grid rather than your solar panels.

•  kW  The amount of electricity being 


The PV array size bars let you know what  

size of solar panels you have entered: 


All three bars = 4 kW array 

Bottom two bars = 3 kW array 

Bottom bar = 2 kW array

The Milometer



The Milometer shows you how much electricity 

you have generated today, in kilowatt hours 


, the standard unit of electricity. As with 

the Speedometer, cost and CO2 emissions may 

also be displayed by pressing the left or right 



Press the Set button to see how much you 

generated yesterday (L1), over the last 7 days  

(L7) and total energy generated (mR) since  

the Solo has been installed.

Please note: After initial installation (or a factory 

reset) L7 will start showing data after the 7th 

midnight boundary. So if you turned on your 

Solo at monday lunch time, it would be 00:15 

on the following Monday before data would be 

added to the L7 feature. You will be able to see 

a figure for the money you have earned since 

installation (or the factory reset was performed) 

as this is an accumulated total.




PV array size 


Right button
Set button
Left button

Outer gauge


Inner gauge

The Display


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 www.greenenergyoptions.co.uk | 11 

The Fuel gauges

So that you can see how well your array is 

performing each day the Solo has a preset 

•  The outer gauge shows how much electricity 

you have generated over the course of the 

day. This will be scaled according to the array 

size you selected earlier on in the set-up of 

your display. 
For example if you have selected a 2kW sized 

array, the outer dial will show up to 16kWh 

of generation. (This is the most this size of 

array will typically generate).
A 3kW array will show up to 24kWh and a  

4kW array will show you up to 32kWh.

•  The inner gauge is the target. It shows a 

target of 50% of what we expect your PV 

array to generate in a day. This can then be 

compared against the outer dial, giving you 

a clear indication of how well you PV array is 


The Tick icon

The Solo shows the best time for you to turn on 

appliances that use higher levels of electricity 

than others.
•  If you are generating enough electricity to 

use heavy load appliances (750W and above) 

the tick will show. This will help to remind 

you to use your generated electricity, making 

your home more efficient.

Please note that when you are viewing your 

history the tick symbol will not show.


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 12 | geo helpline: 0845 519 7226

Recording data and uploading to  

MyEnergy website 

(optional service)

Please ensure the  

lock button on the SD 

card is in the unlock 

position (down) so 

that data can be 



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 www.greenenergyoptions.co.uk | 13 

Recording data

As we mentioned earlier in this guide, your Solo 

actually keeps track of everything it displays. It 

can store this information on its SD card. This 

card will record your energy generation every 

15 minutes and you can view the information 

using your computer. 


myEnergy is a great 

way to compare historical information over 

time to see what you have generated and how 

this compares with the PV manufacturer’s 

•  To start recording data insert the SD card 

into the slot in the top of the Solo display. 

Push it in firmly and it will click into place. 

(Please note, if the card has been inserted 

correctly the display will read ‘Card In.’  

It will read ‘Card Out’ once removed).

•  When you’re ready to transfer the data, 

remove the SD card from the Solo, start a 

web browser on your computer and go to 


. Login and 

password details can be found on the back  

of your Solo display.

•  The first time you log in to the home screen 

area you will need to download our uploader 

tool, the user name and password for this is 

the same as the myEnergy login on the back 

of your Solo. 

•  Follow the instructions on the page inserting 

the SD card into your computer when 

prompted (if your computer does not have 

an SD card port you will need a card reader).


As and when you want to upload more data, 

simply open the SD uploader program and 

insert the SD card when prompted. 

•  The home screen of myEnergy will always 

show you when you last uploaded data  

and what range of data has been stored.

•  When logging in you can also choose 

to select “deeming,” if that is part the 

arrangement with your utility (this is when 

your utility pays you 3.1p per unit, for 50% of 

your total generation). The system will then 

show you the amount that you are earning 

as a result of this.

•  Clicking on the “Data Window” button from 

the myEnergy home screen will take you  

to a screen where you can see the data 

uploaded from your Solo. 

•  The top graph tracks total energy generation. 

Clicking on an area of this graph will 

show you a day-to-day breakdown of this 

information (in the bottom left box). By 

clicking on one of the graph bars you can 

see information for that specific day (shown 

in the bottom right box). Information can 

be shown as electricity generated, CO


 or in   

monetary value.

•  Please use the SD card provided. Other 

manufacturers versions and card capacities 

greater than 2GB may not work.

•  Be sure to replace your SD card back into your 

Solo immediately after uploading the data.


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 14 | geo helpline: 0845 519 7226

Frequently asked questions

Q. The transmitter is not ‘paired’ 

This can happen if things get out of sequence.  

To recover, follow the repairing process below:

1.  Press the Pair button on the back of the display. 

You should see a ‘pairing’ screen. 

2.  Press and hold the pair button and turn the 

transmitter off and then on again (simply 

remove a battery and then replace it):  

The LED next to the pairing button should 

remain on for several seconds.  

Wait for a couple of seconds and the display  

will show a ‘Pair’ screen with a Tick. Press the  

Set button to go back to the main screen.

3.  Pairing may still not be successful so simply 

repeat the process. You may need to do this 

more than once.  If the ‘X’ pair screen appears 

you have not managed to pair in the time 

allocated - simply press the Set button and go 

back to step 1.

4.  Once paired, press the Set button to return to the 

main screen. You should now see the lightning 

bolt (communications icon) lit up.

Q. Why won’t my display and transmitter 



The Solo is designed to operate in a home 

environment, over a range of 30 metres with two 

walls in between the transmitter and display. If the 

units are further apart than this, then you may need 

to bring them closer together to communicate.

Other reasons for the units not communicating are:

•  There is radio interference. Try moving the 

display to a different location or follow  

the repairing process above. 

•  The batteries in the transmitter are flat - is the  

battery icon on the display flashing? If so 

change the batteries.

•  The transmitter is inside a metal meter cabinet. 

Radio communication doesn’t work as well 

through metal so you will have to move 

the display closer or preferably, mount the 

transmitter outside the metal cabinet.

Q. Why is the Communications icon flashing?


The Communications icon will flash if the display  

and transmitter are unable to communicate


for over 

20 seconds.

Q. The Communications icon is on but the  

display is still not receiving information 

This may happen because the LED reader is not 

connected properly, press firmly to the correct 

connection point on the face of the meter. 


If your display is still not receiving information call 

our helpline.

Q.  Why is the Battery symbol flashing?


We expect the transmitter batteries to last for  

at least a year. Toward the end of their life the  

Battery symbol will flash to let you know to  

replace them. Please ensure you replace  

batteries with AA batteries (LR6).  

Do not use rechargeable batteries.

Q. The screen display turns off, what can I do to stop 


This may be because the batteries are running low, 

remove them and plug in the mains adapter.  The 

Solo can be run off batteries for short periods of 

time but is designed to run off the mains adapter 


Q. Can I use the Solo’s generation information to 

give to my energy suppliers?


If you provide your electricity supplier with 

readings, please use your generation meter 


Q. I want to move the unit to another property,  

how do I erase data?


If you want to reset the Solo and erase all  

generation data and tariffs disconnect the display 

from the Power Supply. Press and hold the Pair 

button on the back of the display while you re-plug 

in the Power Supply until you see the mEmCLR 

message, then let go of the button.   


It can take up to 2 minutes to clear all of the 

memory, after this time the main screen will return. 

Q. Can I use more than one display?


This is not possible at the moment.

Q. What do I need to do if I have entered the wrong 

date during setup and continued using my Solo?

If you have entered the incorrect date you will have 

to erase all data that has been recorded onto the SD 

card. You should remove the SD card from the Solo 

and then change the date on the Solo display (see 

page 6 for more information). Then insert the SD 

card into your computer (either using the SD port or 

a card reader) and erase all the data that is stored on 

the card. You can now insert the SD card back into 

the Solo. 

Q. What are the values for each segment of  

the Speedometer?


Each segment of the Speedometer will light up 

when the generation exceeds the value shown in 

the table below.

The segments on the Speedometer have different 

values depending on the size of your array. The 

table below shows three figures; the first shows 

the value for a 2kW array, the second shows 3kW 

and the third a 4kW array. You can set the size of 

your array using the instructions on page 6.


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 www.greenenergyoptions.co.uk | 15 

Suitable Generation Meters  

& Pulse rates

The Solo PV is designed to work with any pulse output generation meter with a pulse rate of between 

50 and 10,000 [max]. We have listed some of the meters and the pulse rates you should set on the 

Solo below. many meters will have the pulse rate written on them, (1,000 impulses/kWH for example) 

if you are still unsure though please call the helpline below.

These are the three most common meters below.               = where the LED reader should be placed.            

Elster A100C

Pulse rate: 1000 pulses/kWh

Landis+Gyr 5235

Pulse rate: 1000 pulses/kWh

Iskra mE372* 

Pulse rate: 1000 pulses/kWh



2 kw 3 

kw 4 




2 kw 3 

kw 4 


1.   68.75W 




  1.17 kW 

 1.75 kW 

2.34 kW

2.   137.5W 




  1.24 kW 

 1.86 kW 

2.48 kW






  1.31 kW 

 1.96 kW 

2.61 kW








  1.38 kW 

 2.06 kW 

2.75 kW






  1.44 kW 

 2.17 kW 

2.89 kW






  1.51 kW 

 2.27 kW 

3.03 kW






  1.58 kW 

 2.37 kW 

3.16 kW





1.10 kW


  1.65 kW 

 2.48 kW 

3.30 kW




1.24 kW


  1.72 kW 

 2.58 kW 

3.44 kW



 1.03 kW 

1.38 kW


  1.79 kW 

 2.68 kW 

3.58 kW



 1.13 kW 

1.51 kW


  1.86 kW 

 2.78 kW 

3.71 kW



 1.24 kW 

1.65 kW


  1.93 kW 

 2.89 kW 

3.85 kW



 1.34 kW 

1.79 kW

29.   1.99 kw 

2.99 kw 

3.99 kw



 1.44 kW 

1.93 kW


  2.06 kW 

 3.09 kW 

4.13 kW


  1.03 kW 

 1.55 kW 

2.06 kW


  2.13 kW 

3.20 kW 

4.26 kW


  1.10 kW 

 1.65 kW 

2.20 kW


  2.20 kW 

 3.30 kW 

4.40 kW


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GEO is a registered trademark of Green Energy Options Ltd.  

Copyright  2010 Green Energy Options Ltd. All rights reserved.

Green Energy Options Limited (GEO) makes no representations and gives no warranties of any kind in relation to the contents of this 

document and all warranties, conditions and other terms implied by statute or common law are, to the fullest extent permitted by 

law, hereby excluded.

In particular, GEO assumes no responsibility for any errors or omissions that may appear in this document and makes no commitment 

to neither update nor keep current the information contained in this document.

GEO retains the right to make changes to this document (including any specifications contained here in) at any time without notice.

no part of this document may be modified, copied, reproduced, republished, published, transmitted or distributed in any form or by 

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owned by GEO (or its licensors), and all proprietary and intellectual property rights (including copyright, design rights, trade secrets, 

trade names, logos and trade marks) wherever arising in relation to this document vest in GEO (or its licensors) and all such rights are 


Conforming Standards: 

Radio Device RF Performance (UK & Europe) 


Emissions EmC (UK & Europe) 











Safety Requirements (UK & Europe) 



UK standards 



Monitor Display 

Monitor Transmitter 

Monitor Sensor 

Rated voltage 

230Vac 50Hz         

3 x AA size 1.5V batteries 


Input power 





0 to 40                     

-20 to 50  

-20 to 50   


85% non-condensing       85% non-condensing 

85% non-condensing 





geo| SFIT-1-mAn-0001

Contact Information

If you have any questions please contact us by email at solopvsupport@greenenergyoptions.co.uk  

alternatively you can call us on the GEO helpline0845 519 7226 or visit:  

http://www.greenenergyoptions.co.uk for more information. 


The Solo is designed and manufactured by Green Energy Options Ltd. For details of further products, 

accessories or enhancements go to http://www.greenenergyoptions.co.uk