The CentaurPlus C21 Programmer. The simple instructions contained in this user guide are designed to help with the programming and operation of the unit.
Horstmann CentaurPlus C21 and C27 two channel programmers offer up to three on/off periods a day for hot water and heating with a hot water boost and heating
CENTAURPLUS C21-C27. INSTALLATION INSTRUCTIONS. Horstmann's CentaurPlus - Two Channel Programmers Offer up to three programmed operating periods per day
of the IEE wiring regulations. WARNING: Isolate mains supply before commencing installation. CentaurPlus C21 & C27 Series 2. Installation Instructions
CentaurPlus C21 and C27 two channel programmers offer up to three on/off periods a day for hot water and heating with a hot water boost and heating advance
SPECIFICATION C21 - C27 On the CentaurPlus press SET and CH buttons together: ... UPON COMPLETION OF INSTALLATION PLEASE RESET THE PROGRAMMER ...
The CentaurPlus C27 Programmer. The simple instructions contained in this user guide are designed to help with the programming and operation of the unit.
The Horstmann CentaurPlus C17 timeswitch 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
If you're replacing a central heating programmer you could just fit what was there before. 425 Diadem/Tiara or CentaurPlus C21 or ChannelPlus H21XL.
The Horstmann C27 two channel programmer gives independent control over hot water and heating with up to 3 ON/OFF settings for each day of the week. It also has