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LEAFLET No P30897
ISSUE 5
BATTERY REPLACEMENT
GET TO KNOW YOUR CENTAURSTAT
The following are some of the CentaurStat features:-
Temperature lock facility
Temperature override facility
Adjustable programmes for both Workdays and Restdays
4 Separate heating periods. Morning / Daytime / Evening / Night.
Adjustable target temperatures, adjustable between 6oC - 30oC or OFF
CENTAURSTAT ELECTRONIC PROGRAMMABLE THERMOSTATS
can be programmed to create a comfortable yet efficient
environment in your home.
1 SET indicator
2 SET positions
3 SET button
4 OVERRIDE (MINUS) button
5 OVERRIDE (PLUS) button
6 ENTER button
7 Heating period indicator
8 Heating periods
9 Temperature lock position
10 Temperature or Time display
11 System ON symbol
12 Workday programme
13 Day of week indicator
14 Restday programme symbol
1 12
9
11
8
10 7
6
54
2
13 14
3
Horstmann Controls Limited
Bristol
BS4 1UP
Email: sales@horstmann.co.uk
Website: www.horstmann.co.uk
SERVICE AND REPAIR
This programmer is NOT user serviceable. Please do not dismantle the unit.
In the unlikely event of a fault developing please refer to the RESETTINGTHEPROGRAMMERsection of
this user guide located on page 2. If this fails to resolve the problem please contact a local heating
engineer or a qualified electrician.
Your CentaurStat is battery operated. The batteries
supplied with the unit should last for approximately two
years.
When the batteries are nearing the end of their life a
BATTERYLOW symbol will flash on the display
(see diagram opposite).
(some time adjustment may be necessary, please refer to the SETTING DAY AND TIME OF DAY section
on page 2 of this user guide.)
Please isolate any external electricity supply to your CentaurStat before battery replacement.
between the battery terminals.
(see diagram ).
Once batteries have been fitted, offer the left
hand side of the unit up to the mounting
plate ensuring that the two guide lugs are
fitted into the corresponding slots in the side
of the mounting plate.
Now swing the right hand side of the
CentaurStat up against the mounting plate
until the release button clicks into place.
Press any button to re-activate the display
Press the RELEASEBUTTONon the right hand side of the
unit and swing the front cover away from the mounting
plate by gently pulling on the right.
Remove the old batteries (with the batteries removed
your CentaurStat will retain its programme for
approximately five minutes) and replace them with
three new AA size alkaline batteries, ensure they are
fitted correctly as shown on the label positioned
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