| Horstmann Controls has upgraded
its widely used Electronic 7 immersion heater control to give
it more contemporary look with a larger back lit display and
incorporating updated electronics.
It is fully interchangeable with earlier versions of the
controller so upgrading can be undertaken quickly using the
plug-in connectors and without the need to change the wall
mounted back box.
The new Electronic 7 is fitted with an automatic clock that
is pre-set on manufacture and which automatically adjusts
to accommodate GMT/BST summer/winter time changes. There is
also a long life battery which will maintain the clock, display
and switch time settings with the mains supply disconnected.
This should be sufficient to cover all unexpected interruptions
during the life of the control.
Electronic 7 is compatible with all utility company tariffs
that keep to Greenwich Mean Time (GMT) or that vary with British
Summer Time (BST). It allows for up to three secure off-peak
heating periods every 24 hours, making maximum use of electricity
when tariff’s are cheaper.
The control retains the 1 hour boost button that permits
the householder to activate a short term override of the set
programme, permitting more hot water to be heated at any time
by switching on the immersion heater for a short ‘boost’.
Alternatively if it is known that extra hot water will be
required every day, the ‘boost’ element (in the
cylinder) can be programmed so that it will heat only a small
part of the tank. This is normally the upper immersion heater
element and can be programmed to come on once each day at
a set time.
Some utility tariffs offer additional cheaper electricity
periods during the day time; the Electronic 7 has extra off
peak switching periods available to accommodate these.
For more information on the complete range of Horstmann controls
visit www.horstmann.co.uk
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