User's Manual

ManualsBrandsHorstmann ManualsThermostatsHorstmann CentaurPlus C17



The Horstmann CentaurPlus C17 time switch will allow up to 3 ON/OFF

settings per day for each day of the week and has a 1 hour manual boost

and advance button to temporarily override current settings.

There is also a programming switch allowing permanent selection of:

OFF/ON/AUTO/ALL DAY.





Summary of content (8 pages)

PAGE 1
CentaurPlus C17 User Operating Instructions Single Channel Timeswitch The Horstmann CentaurPlus C17 time switch will allow up to 3 ON/OFF settings per day for each day of the week and has a 1 hour manual boost and advance button to temporarily override current settings. There is also a programming switch allowing permanent selection of: OFF/ON/AUTO/ALL DAY.
PAGE 2
The CentaurPlus C17 Timeswitch The simple instructions contained in this user guide are designed to help with the programming and operation of the unit.
PAGE 3
Manual Overrides BOOST FUNCTION - 1 hour temporary override The boost facility will allow the user to boost the system which is currently ‘OFF’ for 1 hour. To indicate the boost being activated BOOST will be shown on the display for the duration of the boost period. The system ON indicator will also be illuminated.
PAGE 4
Programme Override Facilities With the CentaurPlus C17 timeswitch operating in the normal running mode it is possible to alter the functionality of the programme by means of the SELECT button. The options include; Auto - Timeswitch follows all programmed ‘ON’ and ‘OFF’ times. All day - Timeswitch operates from 1st ‘ON’ time until 3rd ’OFF’, ignoring all switching times in between. 24hrs - Timeswitch will be constantly ‘ON’.
PAGE 5
Setting the Time of Day Press the SET button until SET indicator is next to CLOCK position  Use PLUS and MINUS buttons to adjust day  Press ENTER  Use PLUS and MINUS buttons to adjust time  Press ENTER  Press the SET button until SET indicator is next to RUN position RUN CLOCK PROG PM 12:00 RUN CLOCK PROG PM 6:35 5
PAGE 6
Setting the On and Off Times To alter these settings please proceed as follows:-  Use PLUS and MINUS buttons to adjust day  Press ENTER  Use PLUS and MINUS buttons to adjust 1st ON time  Press ENTER  Use PLUS and MINUS buttons to adjust 1st OFF time  Press ENTER  Press the SET button until SET indicator is next to PROG position  Repeat this process for 2nd and 3rd settings  Enter the 3rd OFF time and the word COPY is displayed  To follow the copy route and repeat all programmed
PAGE 7
Resetting the Programmer Electronic equipment can in some circumstances be affected by electrical interference. If the programmer’s display becomes frozen or scrambled; or if you wish to revert back to the default time settings please reset by pressing the SET and SELECT buttons together as shown below. After initial installation it is advisable, before programming the CentaurPlus for the first time, to reset the unit.
PAGE 8
What is a programmer? ... an explantion for householders. Programmers allow you to set ‘On’ and ‘Off’ time periods. Some models switch the central heating and domestic hot water on and off at the same time; while others allow the domestic hot water and heating to come on and go off at different times. Set the ‘On’ and ‘Off’ time periods to suit your own lifestyle.