Energy Efficiency recom-mends this product only when installed according to Government Good Practice Guide 302.The Horstmann C-Stat is an electronic programmable room thermostat that combines time and temperature control in a completely new, stylish design that features a clear, back lit user interface.C-Stat uses the latest TPI energy saving software for accurate temperature control and which can produce savings of as much as 10% annually* on central heating fuel costs.All models in the range feature 24 hour and 7 day programming with up to six temperature settings per day. The intuitive interface ensures they are easy to set up and use. Being battery powered, the C-Stat 11-B and 17-B are suitable for replacing most existing room thermostats.The mains powered C-Stat 11-M and 17-M will not need replacement batteries.*TACMA figures Features. Voltage free contacts. Temperature Settings 5°c to 30°c. Menu driven programming via large back-lit display, with prompts to aid the user. Automatic BST/GMT time adjustment. Tamperproof Security Code. Target temperature and actual room temperature indication. Temporary temperature override. Holiday programme. Optional optimum start facility. Battery reserve (11-M and 17-M)11-B & 17-B battery powered 11-M & 17-M mains poweredC-Stat programmable room thermostats Horstmann.Together, we're in control.

BS 5750 Part 1 ISO 9001 Q5646SPECIFICATIONC-Stat 11-B / C-Stat 17-B C-Stat 11-M / C-Stat 17-MPOWER SUPPLY 2 x AA batteries: 11-B/17-B 230V 50Hz: 11-M/17-MCONTACT TYPE Micro-disconnectionWIRING CONFIGURATION Voltage free c/o contacts (SPDT)CONTACT VOLTAGE RATING 230V AC 50Hz (30V dc)CONTACT CURRENT RATING 8A (1A inductive)TEMPERATURE DIFFERENTIAL 0.5°C TEMPERATURE ACCURACY +/- 0.5°C at 21°CIMPULSE RATING Category II-2500V: 11-M & 17-M onlyDESIGN STANDARDS BS EN 60730-2-9: DIMENSIONS 100 x 120 x 26.5mmENCLOSURE Flame retardant thermoplasticENCLOSURE PROTECTION IP30POLLUTION DEGREE Degree 2INSULATION CLASS Double insulatedTEMPERATURE SETTING RANGE5°C to 30°COPERATING TEMPERATURE RANGE 0°C to 40°CCLOCK 12/24 hour with automatic BST/GMT adjustmentSETTINGS PER DAY 6 target temperature settings per dayMOUNTING Industry standard 6 terminal plug in wall plateC-Stat programmable room thermostats 11-B and 17-B can replace most existing thermostats. Voltage free contacts. 2 Wire11-M and 17-M are mains powered with battery reserve. New installations. No battery changingApplications. Control of most domestic gas or oil powered central heating systems. Combination ('Combi') boilers. Control of additional heating zones. Replacement of existing thermostats (11-B and 17-B)Benefits. Reduced energy costs. Minimal boiler cycling and reduced flow temperatures through use of sophisticated TPI control algorithms. No need for additional wiring when replacing an existing thermostat (11-B and 17-B). Frost protection settingWireless Z-Wave versions are also available in this rangeC-Stat 11-B 24 Hour battery operated programmable room thermostatC-Stat 17-B 7 Day battery operated programmable room thermostat C-Stat 11-M 24 Hour mains operated programmable room thermostatC-Stat 17-M 7 Day mains operated programmable room thermostatC-Stat 11-ZW 24 Hour wireless programmable room thermostat, complete with receiverC-Stat 17-ZW 7 Day wireless programmable room thermostat, complete with receiverHorstmann.Together, we're in control.P84880 Issue 1Horstmann, South Bristol Business Park, Roman Farm Road, Bristol BS4 1UPTel: 0117 978 8700 Fax: 0117 978 8701 E-mail: sales@horstmann.co.uk Web: www.horstmann.co.ukHorstmann is a trading name of Secure Controls (UK) Ltd., a wholly owned subsidiary of Secure International Holdings PTE Ltd.Registered office: Secure House, Moorside Road, Winnall Trading Estate, Winchester, Hampshire SO23 7RX. Registered in England No. 457553© September 2012: Secure Controls (UK) Ltd: All rights reserved. The company reserves the right to alter product specifications without notice.