Horstmann Economy 7 Quartz Data Sheet
Economy 7 Quartz
Immersion Heater Control
Designed for use with Economy 7 off peak rate overnight
electricity, the Economy 7 Quartz is the standard by which
all other water heating controls are judged and is the alltime best seller in water heating controls.
Ÿ Quartz controlled within 10 minutes a year
Ÿ Rechargeable battery keeps time during power
interruptions
Ÿ Summer and winter time settings instantly visible
Ÿ Large terminals and back box for easy installation
Ÿ Indicator lights show whether on-peak or off-peak power
is being used
Ÿ Up to 60 minute boost means extra hot water at any time
Ÿ Industry standard wall box and connections
Specification
Economy 7 Quartz
A proven, reliable and accurate unit, the Economy 7
Quartz is easy to install and set, providing a tankful of
hot water to start each day utilizing Economy 7 off peak
rate overnight electricity. The manual boost timer
provides extra hot water in the day time – should it be
needed.
E 7 Quartz 2 Hour
The E7 Quartz 2 hour model has the same specification
as the Economy 7 Quartz but with 0 – 120 minutes boost
timer.
CONTACT RATING 13 Amps 230V AC
Suitable for
immersion heaters up
to 3kW
CONTACT TYPE Micro-disconnection
on control
Disconnection to
immersion heaters on
double-pole rocker
switch
SUPPLY 230V 50Hz
POLLUTION DEGREE Degree 2
MOISTURE PROTECTION Ordinary
ENCLOSURE PROTECTION IP30
SHOCK PROTECTION Class 1
LIVE PARTS Enclosed
IMPULSE RATING 4000V
OPERATING TEMPERATURE 0°c to +35°C
RANGE
BATTERY RESERVE 150 hours
DIMENSIONS 170 x 115 x 60 mm
(Excluding switches)
CLOCK AM/PM Indication
Winter/Summer
indication
PROGRAMME OPTIONS OFF PEAK –
Adjustable between
4½ & 7 hours
BOOST – Economy 7
Quartz – 0-60
minutes
E7 Quartz 2 Hour – 0-
120 minutes
South Bristol Park, Roman Farm Road, Bristol BS4 1UP
t: +44 117 978 8700 | f: +44 117 9788701 | e: sales@horstmann.co.uk | www.horstmann.co.uk
Horstmann is a trading name of Secure Controls (UK) Ltd., a wholly owned subsidiary of Secure Holdings PTE Ltd.
Registered office: Secure House, Moorside Road, Winnall Trading Estate, Winchester, Hampshire, SO23 7RX. Registered in England No. 457553
© January 2013: Secure Controls (UK) Ltd: All rights reserved. The company reserves the right to alter product specifications without notice.
BEAB APPROVED Yes
Part No. P81258 Issue 6
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