Honeywell THR840DUK user manual Need Help?

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Need Help?

For assistance with this product please visit www.homexpertbyhoneywell.com, or call Honeywell Customer Care at 0845 604 2893.

Honeywell
The Arnold Centre
Paycocke Road
Basildon, Essex
SS14 3EA
Technical Help Desk: 0845 604 2893	50051982-001 Rev. A
www.homexpertbyhoneywell.com	© 2010 Honeywell International Inc

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Contents THR840DUK Digital Thermostat Contents An explanation for householders What is a room thermostat?Install and set up thermostat About your new thermostatQuick reference On/off switch and frost protection 25.0 CHeating or cooling control Temperature control Energy-saving ECO mode24.0 C Wall bracket installation System installationBasic boiler Combi boiler Connect system wiringWiring diagrams Make sure electrical power is offWiring diagrams 35.0 C Activate batteries and mount thermostatSystem test Function Description Setting Options Installer setupInstaller setup functions To change installer settingsCustomised settings for your system Your heating system Changes required Setting OptionsYour cooling system Changes required Setting Options Case of difficulty Description of functionsPlease retain these instructions for future reference Limited WarrantyDisposal and recycling Disposal and recyclingNeed Help?