Horstmann E7 Quartz User guide

Horstmann E7 Quartz User guide
“ THE CLOCK _
The 24 Hour dial rotates once each day. It should be set so that the time line is against the "WINTER
— TIME” line in Winter or the ‘SUMMER TIME’ line during Summer Time.
Adjust the clock by turning the dial clockwise. A battery reserve will keep the clock
running even if the mains supply is interrupted for up to 6 days.
WATER HEATER SWITCH
In the WATER HEATER OFF position the heaters remain OFF but the clock will run and the stand-by
battery will remain charged.
In the TIMED position the over-night immersion heaters will be switched ON and OFF at the pre-se
times.
NEON INDICATORS
The TIMED (OFF-PEAK) neon will illuminate when the main immersion element is activated.
The BOOST neon will illuminate when the Boost timer is in use.
GENERAL INSTRUCTIONS -
INSTALLATIONS WITH A BATH/SINK SWITCH
With the controller switch set in the TIMED position and the immersion switches set in the ON and
BATH positions, the controller will automatically switch the immersion heater on during the night and
off in the morning. This will ensure Hot water each morning. If, however, should you require a large
amount of extra Hot water during the day, simply set the boost control for the required time up to a
maximum of 2 hours( The immersion switch should remain in the BATH position). At the end of this
boost period the immersion will automatically switch off.
Alternatively, If only a small amount of additional Hot water is required the immersion switch should
be moved to the SINK position and the boost control set as above.
NOTE: If the immersion switch is moved to the SINK position for a boost period, please check that the
switch is returned to the BATH position before the next overnight heating period. This will ensure that
a full cylinder of Hot water will be available the following morning.
GENERAL INSTRUCTIONS - STANDARD INSTALLATION
When extra Hot water is required during the day the Boost Timer can be used. Where two immersion
elements are fitted in the tank the Boost Timer switches on the upper heater only.
Turn the knob anti-clockwise to the ‘START’ position to operate the Boost Timer. The Boost period can
be limited by turning the knob anti-clockwise to one of the intermediate positions if less than the
maximum Boost period is required. The immersion heater will be switched OFF after the selected
period, or when the temperature of the water reaches the thermostat setting. If required, further
Boost periods can be selected.
Email: [email protected]
Website: www.horstmann.co.uk HORSTMANN ( €
Horstmann Controls Limited
Bristol BS4 1UP LEAFLET No P27954
ISSUE 7
HORSTMANN
The Horstmann E7 QUARTZ is an
Electro-mechanical water heating control, which can be set to take
advantage of cheap night-rate electricity, so that there is a tank of hot
water available for the morning.
FRONT VIEW OF E7 QUARTZ
N
SUMMER TIME —y g——= WINTER TIME WATER HEATER
OFF
ISOLATE
MAINS
BEFORE
OPENING
SERVICING
IMMERSION
HEATER ($) TIMED
D ©
LI =
BOOST
4 : 0 Ema TO 8
STANT SEL +
/ | N HORSTMANN
E7 QUARTZ 2 HOUR
| 90
а —
НА WATER
CONTROLLER _ a
‚ Fig. 1. Ta qee " = | IMMERSION
| EsTe В
| MANS | = V6 =
1 iN 1 3 i. № rad” D
OT i 1 ||
5 uy 3
ow Ш ® a бестия ON“
, po ma LÉ a gon
’ CYUNDER
INSTALLATION AND CONNECTION SHOULD ONLY BE CARRIED OUT BY A SUITABLY QUALIFIED PERSON
AND IN ACCORDANCE WITH THE CURRENT WIRING REGULATIONS.
WARNING : ISOLATE MAINS SUPPLY BEFORE COMMENCING INSTALLATION
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