Data Sheet

BS 5750
Part 1
ISO 9001
Q5646
sPeCIFICatIOn
CONTACT RATING
3 (1) Amps 230V AC
CONTACT TYPE
Micro-disconnection changeover
Voltage free
(C11 and C17 only)
SUPPLY
230V AC 50Hz only
Polution Degree 2
CLASS A SOFTWARE
Type 1 Control
OPERATING TEMPERATURE RANGE
O°C to +40°C
BATTERY LIFE
10 months continuous operation
(minimum)
CASE MATERIAL
Thermoplastic, flame retardant
DIMENSIONS
84mm x 150mm x 29mm
CLOCK
12 hour AM/PM
Auto BST/GMT changeover
DISPLAY
Back lit liquid crystal
DISPLAYED TIME ADJUSTMENTS
1 minute steps
SWITCHED TIME ADJUSTMENTS
10 minute steps
OPERATING PERIODS PER DAY
C11 and C17 - 3 per day
C21 and C27 - 3 per day for CH and 3
per day for HW
Separate programmes possible for
each day of the week (C17 and C27)
OVERRIDE
C11 and C17 - 1 hour boost, 1 hour
extension to On period, instant
advance.
C21 and C27 - 1 hour boost (HW
only), 1 hour extension to On period
(HW only), instant advance (CH only)
MOUNTING
Industry standard 6 terminal plug in
wall plate
CentaurPlus C27
Two channel 7 day control allowing
independent time control of central heating
and hot water.
CentaurPlus C21
Simple, low cost 24 hour version of the C27.
CentaurPlus C17
Single channel, 7 day time control suitable for
combi boiler applications, an extra heating zone
or the pump on a solid fuel boiler.
CentaurPlus C11
Simple, low cost 24 hour version of the C17.
CentaurPlus C27
CentaurPlus C21
CentaurPlus C17
CentaurPlus C11
Single Channel Two Channel 24 Hour 7 Day
Horstmann.
Together,
we’re in control.
P84391 Issue 1
Horstmann Controls Ltd, South Bristol Business Park, Roman Farm Road, Bristol BS4 1UP.
Tel: [phone] Fax: [phone] E-mail: [e-mail] Web: www.horstmann.co.uk
A division of Horstmann Group Ltd. Registered office: Secure House, Moorside Road, Winnall Trading Estate, Winchester, Hampshire SO23 7RX.
Registered in England No. 457553
©September 2011: Horstmann Group Ltd: All rights reserved. The company reserves the right to alter product specifications without notice.