Honeywell ST9400C 7 Day 2 Channel Programmer



ST9400C is a 2 channel programmer, designed for control of both heating and stored hot water in complete systems. The heating and hot water programmes are completely independent, to allow the system to be operated in the most energy efficient manner possible. This unit is a 7 day full programmer that gives great flexibility offering up to three on/off switchings per day, additionally each day can be programmed differently.


Product Details

• Display providing text feedback that givesuser guidance and programming hints
• Large backlit display, configurable to be on permanently, off or activated by a button press
• Factory set clock and date
• Automatic Summer / Winter 1 hour time change
• 7 day and 1 day programme models
• 7 day models settable for 5/2 or 1 day operation
• Up to 3 on/off periods per day
• Holiday button, on 7 day models
• Temporary or permanent override facilities
• Extra hour facility, for up to 3 hours of boost or programme extension
• Choice of 3 different built-in standard programmes
• Programme indicator lights
• Fits on industry standard back-plate
• Plug-in replacement for ST6000 models
• ST9100 Timer models suitable for mains, low voltage or potential-free switching
• Models available with programmable boiler Service reminder and shut-down feature. This Service Modeis flexible, with PIN-code protection (see inside for full details)
• Installer configuration modes, enabling product to be customised for application and the needs of the user
• 2-level battery backup to maintain real-time and date in event of power failure
• NVRAM storage of programmes and all setup parameters, ensuring these are never lost
• Building Regulations compliant
• Double-insulated, with Parking terminal for external earth wiring continuity

For installation instructions please click here

Please note that information provided on this page is designed to offer guidance only, and details are sourced directly from the manufacturer. If you would like any technical advice, please contact a technician. If you have any further product-related questions, please don't hesitate to contact us on 0844 567 8884.

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