Immersion heating www.epcwiltshire.c

1. If you would like to have any part of this explained
or translated, or in a different format such as in
larger print, or on audio tape, please contact us on
01249 465465 to discuss your needs.
Electric
immersion
heaters
Jeśli wymagają Państwo wyjaśnienia jakiegoś fragmentu albo jego
tłumaczenia, albo w innym formacie, takim jak duży druk, albo na
kasecie audio, proszę się z nami skontaktować pod numerem
telefonu 01249 465465, aby przedyskutować Państwa potrzeby.
Efficient usage
Herhangi bir kısmının izah edilmesini veya tercüme edilmesini, ya
da iri harfler veya ses bantı gibi başka bir fotmatta verilmesini
isterseniz, lütfen ihtiyaçlarınızı konuşmak için bu numaraya
telefon edin: 01249 465465.
ISSUED: NOVEMBER 2010
Methuen Park
Chippenham SN14 0GU
tel 01249 465465
enquiries@westlea.co.uk
www.westlea.co.uk
Dual immersion
PART OF GREENSQUARE GROUP LIMITED

2. This user guide will help you to use your type of heater is normally controlled by a heat around 10-gallon/45 litres of hot
immersion heater in the most energy simple on/off switch or timer. water on day rate electricity should you
efficient way. An electric immersion heater need more hot water during the day. If
can be a cost effective and energy efficient A dual immersion heater fitted in the top of you are not sure which system you have
way of providing hot water for you and your a 30 gallon/120 litre or larger tank. then you should contact Westlea.
family. It can be used all year round or just
Twin immersion heaters, one of which is To make best use of the time switch
during the summer months when the main
fitted in the top (downwards or sideways) controller periodically check that the clock
heating is switched off.
with the other fitted sideways towards the is correctly set for current timer and to
If you decide to use your immersion heater bottom of the tank. Greenwich Mean Time (GMT). Leave the
for more than just a very short period each switch in the ‘auto’ position and the tank
day, then consider taking advantage of low should heat up during the Economy 7
cost night time electricity on Economy 7. hours. In general a 3kw element will heat
10 gallons (45 litres) of water in one hour.
By heating the water overnight at off peak To find out how much water your tank
rates you can have a tank of hot water for contains simply measure the height – 1ft
around the same cost as heating water for (300mm) is equivalent to about 10 gallons
one hour on the standard tariff. (45 litres) of water.
Check the insulation on your hot water tank Single Dual Twin Try to avoid using the ‘boost’ button
to ensure the water stays hot until you want (usually 1-2 hours) as it switches the
to use it. Fitting a new lagging jacket will All immersion heaters can operate on heater on to daytime electricity which is
cost around £15 and should pay for itself in Economy 7 with or without the addition of a more expensive. On some controllers you
a month or two, saving energy and money. special time switch controller. A controller can programme the boost to come on at
simply makes sure you heat the bulk of your certain times to meet additional hot water
Hot water tanks should be fitted with a water during the seven night hours and takes needs. The boost button will not operate
jacket of at least 80mm thickness approved away the chore of having to remember to in the programmed times during the
to British Standard BS615:1985. These are switch on and off each time you want hot Economy 7 hours.
inexpensive, are made in a range of standard water.
sizes and are fitted with belts to fit them Your immersion heater is controlled by a
snugly round the tank. Westlea will fit these Some dual or twin installations will already thermostat which must be carefully set as
for you if required. have two circuits wired so that the lower temperatures that are too high can cause
element (off-peak) is controlled by the meter scale build-up and the eventual need to
A single immersion heater which is fitted time switch or tele switch. In these cases you replace the immersion heater, too low and
either in the top of a 30 gallon/120 litre will probably have a simple ‘run back’ timer it can cause Legionnaires disease. The
tank or in the side towards the bottom. This mounted by the tank which will allow you to ideal temperature is 60 degrees.
Electric immersion heaters