SET
SELECT
Fitting the timeswitch
End view of CentaurPlus timer
If surface wiring has been used, remove the knockout/insert from the bottom of the
timeswitch to accommodate it.
Loosen the two ‘captive’ retaining screws on the bottom of the backplate. Now fit the
timeswitch to the backplate, ensuring the lugs on the backplate engage with the switch.
Swing the bottom of the timeswitch into position ensuring that the connection pins on the
back of the unit locate into the terminal slots in the backplate.
Tighten the two captive retaining screws to fix the unit securely.
Then switch on the mains supply.
On completion of the installation please reset the timeswitch as detailed next;
Resetting the timeswitch
On the CentaurPlus press the SET and SELECT buttons together. Then release the
buttons and the timer will return to preset factory settings The preset factory settings
are illustrated on page 10 of the USER GUIDE. The time and date will also be reset
and need to be re-entered.
The unit is now ready to be signed on to its HRT4-ZW room thermostat, to suit the
user’s requirements
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