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Series 2 - Overview - 136Kb

Horstmann's CentaurPlus range of single and two channel central heating programmers offers leading edge microprocessor technology at an affordable price.

With CentaurPlus, up to three ON and three OFF commands can be programmed for each day.

The two channel models are perfect for accurate pre-programmed control of central heating and hot water.
The single channel versions are ideal for combi boilers.

Ideal for new heating systems, CentaurPlus can also be used for upgrading installations.

Thanks to its use of the industry standard, six terminal wall plate, CentaurPlus can be fitted as a straightforward plug in replacement for many other manufacturers' models.

 

At a glance:
Inexpensive and easy
to install
Three ON and three OFF periods each day
Simple to use
Hot water boost and central heating advance
Easy plug in replacement
of any programmers that
use a 'standard' six terminal wall plate
Mains powered with
battery back-up
Single and two channel models with 24 hour and
7 day options
Programme options:
ON 24hrs, OFF,
All Day or Auto

 

CENTAURPLUS - C17, C21 & C27
Contact rating 3 (1) Amps 230V AC
Contact type Micro-disconnection changeover
Voltage free (C11 and C17 only)
Supply 230V AC 50Hz only
Operating temperature range 0ºC to +40ºC
Battery life 10 months continuous operation (minimum)
Case material Thermoplastic, flame retardent
Dimensions 84mm x 150mm x 29mm
Display Liquid crystal. Day of week indication (C17 and C27)
Clock 12 hour AM/PM
Displayed time adjustments 1 minute steps
Switched time adjustments 10 minute steps
Programme selection Auto, On all day, On 24 hours, OFF
Operating periods per day C11 and C17 - three per day. C21 and C27 - three per day for CH and three per day for HW.
Separate programmes possible for each day of the week (C17 and C27)
Override C11 and C17 - one hour boost, one hour extension to On period, instant advance.
C21, and C27 - one hour boost (HW only), one hour extension to On period (HW only), instant advance (CH only).
Mounting Industry standard six terminal plug in wall plate.

CentaurPlus Models - Click to go to Products

CentaurPlus C11 - ( To Order Only P.O.A )
Simple, low cost 24 hour version of the C17.

CentaurPlus C17
Single circuit, 7 day time control suitable for combi boiler applications, an extra heating zone, or the pump on a solid fuel boiler.

CentaurPlus C21
Simple, low cost 24 hour version of the C27.
CentaurPlus C27
Two channel 7 day programmer allowing independent time control
of central heating and hot water.

CentaurPlus C27
Two channel 7 day programmer allowing independent time control
of central heating and
hot water.


 


Wiring Diagram - Models - C21 & C27