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Your npower home en-
ergy monitor
Your npower
home energy monitor
User guide
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Contents
Introduction 3
Safety first 4
What’s in the box 6
Installing your monitor 7
Fitting the sensor to the cable 9
Activating the transmitter 9
Linking the transmitter and the display 10
Setting the time and date 11
Set-up instructions 12
Dual tariff mode 14
Using your npower home energy monitor 16
Frequently asked questions 17
Specifications 19
YOU MUST READ THE SAFETY INSTRUCTIONS IN THIS GUIDE BEFORE INSTALLING YOUR
NPOWER HOME ENERGY MONITOR.
If you’re unsure about installing your npower home energy monitor or if you have any
concerns after reading the safety instructions in this guide DO NOT proceed.
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Introduction
We’re very pleased to introduce your npower home energy monitor, a handy little gadget to
help you keep an eye on how much electricity you use and what it costs.
It’s part of our smartpower range, the name we’re giving to our programme to help all our customers
get the most out of the transition to smart metering over the coming years.
Your npower home energy monitor can:
• allowyoutoseealmostinstantlytheeffectofturninganapplianceorlightonandoff
• giveyouarealtimeguidetoyourelectricityconsumptioncosts
• helpyoucompareyourusagefromonedaytothenext
How does it work?
Your npower home energy monitor has a sensor which is fitted around the output cable connecting your
meter to your fuse box or consumer unit. The sensor measures the amount of electrical current passing
through the cable and the transmitter sends this information wirelessly to your display unit in near real time,
providing you with an indication of your energy consumption.
You can install and set up your npower home energy monitor yourself - just read this booklet carefully before
you start.
Please note the npower home energy monitor only acts as a guide. It does not communicate directly with
your meter and cannot be used to provide meter readings to your supplier.
Get in touch
If you have any questions about your monitor, or if you’d like more advice about monitoring your electricity
usage at home email npower@efergy.com, call our dedicated technical support line on 0845 0609950†
(9am - 6pm Monday to Friday) or visit npower.com/smartpower
†
Technical support is provided by Efergy Technologies Limited, the third party manufacturer of your npower home energy monitor. Efergy is responsible for the quality and fitness for purpose of your energy monitor and for all
subsequent service/product related enquiries. We may monitor and/or record calls for security, quality or training purposes. The cost of calls to 0845 numbers may vary so please check with your provider for exact charges.
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Safety first
Read these safety instructions carefully before installing your npower home energy monitor;
your safety could be at risk if you do not follow the instructions in this guide. If you are
unsure about installing your npower home energy monitor or if you have any concerns after
reading these safety instructions please DO NOT proceed. This product is not recommended
to be used outside the UK and Ireland.
Before you start
Remember, YOU are responsible for your own safety whilst installing your npower
home energy monitor. Please read the following very carefully.
Inspect your electricity meter and cabling and look for loose wires, exposed copper,
damage to the outer insulation or damage to the meter and surrounding equipment. If your
electricity meter is in an outside meter cabinet you should also check the cabinet for cracks
and damage to the door, being especially careful to notice if water has got into the cabinet.
Check your npower home energy monitor is in good condition. Look for cracks or other
damage to the plastic casing, and loose or damaged cables. If the product appears damaged
or faulty contact the technical support helpline (page 3).
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DO NOT install the sensor if you notice anything of concern during your inspection.
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Now you’re ready to install your monitor and we want you to be safe, so:
• Ifyourmeterishardtoaccess,takeextracareusingaladder.
• DO NOT work in poor light or without an adequate light source.
• DO NOT install if your meter cables look like they’ve been tampered with or aren’t
encased in plastic.
• DO NOT IN ANY CIRCUMSTANCES force or bend the cables or cut or remove
any tie wraps.
• DO NOT remove any paper labels or crimped metal wire seals, these are
anti-tamper devices.
• Intheunlikelyeventametercableworksloose,IMMEDIATELY CEASE
INSTALLATION of your npower home energy monitor. DO NOT touch any
exposed copper wires or cores or allow any exposed copper to touch anything else.
Immediately call a qualified electrician.
• DO NOT try to re-insert any loose cables.
If at any point your meter is unsafe please STOP THE INSTALLATION IMMEDIATELY
and contact the technical support line on page 3.
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What’s in the box?
Your npower home energy
monitor pack includes:
1 x Display unit
1 x Transmitter and sensor
1 x User guide
1 x Quick start guide
3 x AA Batteries
1 x 5v adaptor
home energy monitor
home energy monitor
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To protect the environment, this product and its
batteries must be disposed of safely at the end of
their life. Please take to a recycling centre.
Only supplied cables should be used with
these products.
Keep the monitor away from water and other liquids.
No cleaning required and no serviceable parts.
RoHS compliant.
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Installing your npower home energy monitor
Locate your meter
First you need to locate your electricity meter. You
can normally find it on an outside wall, in the garage,
basement or utility room, or in an outside meter cabinet.
Modern office blocks, apartments and flats may have
meters in communal areas with safety panels to protect
the wires entering the meter. In this situation it is
recommended that you contact a qualified electrician who
may charge for the service.
Single tariff meter (not Economy 7)
If you have a single tariff meter you should find four cables
exiting the meter. Ensure there is enough accessible cable
coming from the bottom of your electricity meter. The
feed cable (Cable 4) is the live cable exiting from the meter
to the fuse box or main switch. Clip the sensor to Cable 4
(Cable 4 will always be on the right hand end of the meter,
see Diagram 1).
Some installations will have Cable 1 and Cable 2 covered,
or partially covered to prevent any tampering with the
supply (see Diagram 2). Clip the sensor to Cable 4 (far
right cable).
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Dual Tariff Meter (e.g. Economy 7)
Dual tariff meters (Diagram 3) will often have
an auxiliary cable running between Cable 3
and Cable 4. Auxiliary cables will be smaller in
diameter than the feed cables, and will run into
an adjoining metering device. You should find
five cables exiting the meter. The feed cable
(Cable 4) is the live cable exiting from the meter
to the fuse box or main switch. Connect the
sensor to Cable 4 (Cable 4 will always be on
the right hand end of the meter, see Diagram 3).
The transmitter comes with an adhesive Velcro
pad which you can use to fix the transmitter
casing to the wall next to the meter. UNDER
NO CIRCUMSTANCES should you drill fixing
holes or hammer nails into the wall in the
vicinity of the meter, the cables or any other
electrical equipment.
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SAFETY REMINDER
NEVER TRY TO ATTACH THE SENSOR IF
THERE IS DAMAGE TO THE METER CABLES.
DO NOT CUT, PULL OR TAMPER WITH
ANY CABLES. IF YOU HAVE ANY
CONCERNS CONTACT THE TECHNICAL
SUPPORT HELPLINE.
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Fitting the sensor to the cable
Sensors are suitable for cables up to 12mm in diameter. You SHOULD NOT force the cable to fit.
Activating the transmitter
1. Insert 3AA batteries into the transmitter
2. Plug sensor cable into transmitter
(if not already attached)
3. Mount near meter using Velcro pads
1. Push the release cap
to open the sensor
2. Select the correct feed
cable, and then place
the feed cable into the
top of the sensor
3. Close the sensor.
The sensor is secure
when you hear a “click”
home energy monitor
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home energy monitor
home energy monitor
Linking the transmitter and the display
1. Insert AC adaptor into the display unit
2. Push the link button on the back of the display unit,
and hold for 2 seconds. The transmission signal symbol
will flash for one minute.
3. While the transmission signal in the display flashes
push the button on the transmitter and wait until the
transmission signal symbol becomes solid.
If the LINK is NOT COMPLETED
you will see dashes on the display
Transmitter button
QUICK HINT:
When the LINK is COMPLETED
you will see the transmission
signal symbol become solid
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Setting the time and date
The npower home energy monitor needs to know the
time and date in order to provide you with the correct
information. Set the time and date as follows:
Step 1
On the back of the display unit you will find the
Time Set. button. Press and hold for two seconds.
Date set up will flash in the display
Step 2
Set the date by using BWD and FWD buttons. Press
Mode button to confirm and move to month set up.
Repeat the process to set the year. Press Mode button
once to save and move on to time set up.
Step 3
Set the hour to the correct time by using the BWD
and FWD buttons. Press Mode button once to save
the hours. Repeat for minutes using the Mode button
to confirm. Once the correct time and date have
been set, push history button to save and exit.
home energy monitor
History
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Set-up instructions
The npower home energy monitor needs to know the unit
cost per kWh charged by your electricity supplier, along
with voltage and consumption alarm settings. The following
steps will move through each of these settings. If you have
a dual tariff rate meter, like Economy 7, please complete
the following steps then see page 14 for further instruction.
Press and hold down Mode button for two seconds to
enter the setting mode.
Step 1: Voltage
Press and hold Mode button for two seconds. Default
voltage is set at 240V. Use BWD and FWD only if you
need to change the voltage. Press Mode button to save
your setting and move into currency selection setting.
Step 2: Currency selection
Select the currency using BWD and FWD. Default currency
will be “£”. Push Mode button to confirm and to move
onto tariff selection set up.
Step 3: Single tariff set up
When you release the Mode button you will see the words
“tariff 1” solid on the display. If you do not have different
unit rates for Day and Night usage push Mode button to
confirm. If you do have different unit rates for Day and
Night usage, please see Dual tariff section on page 14.
History
History
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QUICK HINT:
Throughout the set-up
process, push History button
at any time, your setting will
be saved and you will exit the
function setting mode.
Note: 20 seconds of inactivity in setting mode will return the unit to normal display mode without saving changes. To save changes
confirm with Mode button then use History to return to Energy Now screen.
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Step 4: Electricity cost
The screen will display default energy cost, 0.13 £/kWh,
we recommend you consult your bill or statement for
the unit rate charged by your electricity supplier. You will
notice the digit on the left hand side flashes. The value
of the flashing digit can be decreased or increased using
BWD and FWD buttons. Press the Mode button to store
the value and set the next digit.
If you’re unsure about this setting see page 17 or visit
npower.com/smartpower for help. When you have set
the value for all digits press the Mode button to move
onto carbon emission ratio settings.
Step 5: Carbon emission
The npower average for the Carbon Dioxide emitted in
the production of electricity between April 2010 and
March 2011 is 0.509kg per kWh.
*
This value can be decreased or increased using BWD
and FWD buttons. Press the Mode button to store
the value.
Step 6: Consumption Alarm
The default consumption alarm is set at 5kW. If the
alarm function is switched on, and you are using more
than 5kW, the alarm will sound and a red light will
glow from the button of the display unit.
This value can be decreased or increased using BWD
and FWD. Press the Mode button to store the value.
To activate and deactivate the alarm at any time push
Alarm button on the back of the display unit.
History
History
History
* The default value of 0.50kg. C02/kWh has been pre-set. Each year this figure is updated, for the latest figure please consult npower.com/Home/
About-npower/Our-responsibility/How-we-source-our-fuels/index.htm
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Dual tariff mode (e.g. Economy 7)
If you have a dual tariff rate meter (for different day and night rates) you may want to set-up the dual
tariff function.
Step 1: Activation of dual tariff
Press and hold Mode button for two seconds. On release you will see the voltage setting flash. Press
Mode twice and you’ll move onto the tariff selection setting.
Now you will see the symbol “tariff 1” flash. Press BWD or FWD to select dual tariff set up “tariff 2”.
Push Mode button to confirm and the symbol “start tariff 1” will flash.
Step 2: Set start & end time for tariff 1
Set the start time for tariff 1 first using the BWD or FWD buttons. Set the hours and press Mode
button to save and move to minute set up. Set minutes using BWD or FWD and push Mode button
to confirm. Now the symbol “start” will disappear from the display and the symbol “end” will appear.
Repeat the process for setting the time tariff 1 ends.
History
History
Example for Economy 7 tariff:
Example: If you’re on an Economy 7 tariff which
starts at Midnight and finishes at 7am, set “tariff
period 1” to start at 07:00 and end at 00:00.
Push the Mode button to confirm. Set the cost
that you pay for each tariff, for night and day
time rates respectively.
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Step 3: Electricity costs - tariff 1
Default price of 16p/kWh will flash. Use the BWD and FWD buttons to change the cost per kWh.
Press Mode button to save your setting. “tariff 2” set up will flash. Please note we recommend you
consult the back of your bill for the exact rate charged by your electricity supplier.
Step 4: Electricity costs - tariff 2
Default price of 5p/kWh for tariff 2 will flash. Use the BWD and FWD buttons to change the cost per
kWh. Press Mode button to save your setting. Voltage set up will flash.
History
History
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Using your npower home energy monitor
Energy now mode
History mode
Average
• Daily average costs, in £
• The lower part of the screen
shows the estimated cost and
carbon emissions per day
• Daily average of your energy
consumption, in kWh
History: daily, weekly and
monthly information
• Push the History button
to access daily, weekly and
monthly stored data
• Push the Mode button to
change information display
from kWh to costs and
CO
2
emissions
Energy now
• Energy you’re using now in kWh
• Estimated costs over the next
hour (£ per hour)
• The bars at the bottom of the
display compare graphically
your current energy
consumption today with that of
the previous day
Average Information
The digits will show you
average information
for daily, weekly and
monthly consumption.
• Push the History
button to access daily,
weekly and monthly
stored data
• Push the Mode button
to change information
display from kWh to
costs and CO
2
emissions
History
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Frequently asked questions
Q If I remove the batteries will I lose the information?
A The display unit has an internal memory, so information stored on the display will not be lost if you
need to change or remove the batteries.
Q How do I reset the display (clear the data and start again)?
A When it is in the ‘Energy Now’ screen, push and hold the button’s History and Mode for two seconds
until CLR appears on the screen. This will turn the display to its original setup (from factory) and should
not affect neither time or date. Attention! You will lose all the information stored in the memory of
the display.
Q Why does the display show a different reading to my electricity bill?
A The npower home energy monitor is a good indicator of your approximate electricity consumption,
but it’s only intended as a guide. The sensor doesn’t communicate with your meter directly and won’t
send your readings to your supplier. If your supplier asks for a reading or if you’re checking your bills,
always look at the readings on your meter (NOT your npower home energy monitor).
Q Where do I find my tariff information?
A You can find tariff information on your electricity bill or statement.
Q My tariff has a standing charge. How should I calculate my tariff?
A Don’t include your standing charge in the calculation of the tariff. Your bill will include a unit rate
shown in pence per kWh. Just remember when you’re looking at your energy costs that you’ll also be
paying the standing charge each day, no matter how much electricity you use.
Q I have a tariff with two different unit rates, a higher rate for the first units I use and a lower rate
for the rest. How do I calculate my average electricity unit rate to enter a tariff?
A Take the total price paid for your first units of electricity, plus the total price paid for the rest of your
units, and divide by the total units. For example, 200 units at £0.20 and 50 units at £0.10 would work
out as follows:
(200 x £0.20) + (50 x £0.10) = (£40 + £5) or £45 for 250 units = £0.18 per unit
Q What shall I do if my monitor stops working?
A Check transmission symbol, check batteries in both transmitter and monitor. If still not working call
technical support 0845 0609950
†
or visit npower.com/smartpower. See page 3 for details.
Q I have three dashes (- - -) showing on the display. What does this mean?
A Move the display closer to the transmitter and press the link button. If the dashes remain on the display this
would indicate the transmitter and receiver are not communicating. Please contact our customer service
number on page 3 to help locate the problem.
Q Backlight appears to work sometimes, and not other times. Is my display broken?
A No. The backlight is on a timer to save battery life. The backlight is activated at darker periods of the day
(from 6pm to 6am), when any of the buttons are pressed.
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Efergy and npower make no representations and give 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, Efergy and npower assume no responsibility for any errors or omissions that may appear in this document and make no commitment to either
update or keep current the information contained in this document.
Efergy and npower retain the right to make changes to this document (including any specifications contained herein) 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 any means without
the prior written consent of npower. The contents of this document are to be used solely for the purpose for which they are provided by npower and for no
other purpose. All content, text, graphics and all other materials contained in this document are owned by npower (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 npower (or its licensors) and all such rights are reserved.
Your npower home energy monitor is
manufactured and supplied to npower by Efergy
Technical support is provided by Efergy, the third party manufacturer of your npower home energy
monitor. Efergy is responsible for the quality and fitness for purpose of your energy monitor and for all
subsequent service/product related enquiries. As a result, npower shall have no liability or responsibility
in respect of the same.
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Specifications
Model Name/Number: Efergy Elite 2.0
Frequency: 433.5 MHz
Transmission Time: 6s. 12s. or 18s.
Transmission Range: 40m-70m
Voltage Range (in the sensor): 110V-400V
Measuring Current: 50mA-90A
Accuracy: >90%
AC Adaptor SV 100mA
The LED backlight will be activated from 18:00Hrs to 06:00Hrs.
Symbols on the display:
Battery warning for the display and transmitter
Alarm on/off
Transmission signal
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npm9745/03.12
npower is a registered trademark and the trading name of Npower Limited (registered in England and Wales No. 3653277), Npower Gas Limited (registered in England and Wales No. 2999919) and Npower Northern
Limited (registered in England and Wales No. 3432100) which also acts as an agent for Npower Northern Supply Limited (registered in England and Wales No. 2845740) in the supply of electricity. Registered office:
Windmill Hill Business Park, Whitehill Way, Swindon SN5 6PB.
npower does not guarantee the accuracy of the energy monitor, it should be used as a guide
only. npower does not endorse you fitting the monitor yourself and should you feel the need,
it is recommended you consult a professional or contact the customer service line provided.
CE Approved for use within the EU.
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