Honeywell ST9400C ST9400C1000 7 Day or 5/2 Day Two Channel Programmer for Central Heating and Hot Water


Honeywell ST9400C ST9400C1000 7 Day or 5/2 Day Two Channel Programmer for Central Heating and Hot Water

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. Ideal for when the user has different heating needs from day to day.

ST9400C can be set to 5/2 day or 1 day programme during installation. ST9400C can also be set as a mini programmer for older gravity circulation stored hot water systems, where there is no interlocking control valve. All ST9400 models incorporate the Line of Text (LoT) display that gives clear plain English instructions whenever any button or slider is used. This means that installers, customers and users can operate all of the controls reliably, without needing to find an instruction manual. ST9400C also features a ‘Holiday’ button allowing the user to switch off their heating for a specified number of days (1 to 99) while they are away from home. The ST9400C complies fully with Building Regulations Part L1 for England & Wales and Part J for Scotland. This model has superceded the ST6400C.

Product Features

  • Lot display – Providing text feedback that gives help and programming hints
  • Large backlit display
  • Factory set clock and date
  • Automatic summer/winter 1 hour time change
  • Temporary or permanent override facilities
  • Extra hour facility – For up to 3 hours boost or programme extension
  • Choice of 3 different built-in programmes
  • Programme indicator lights
  • Fits on industry standard back plate
  • Direct replacement for ST6400 models
  • Any programmed settings retained indefinitely in non-volatile memory
  • Up to 3 on/off times per day
  • ‘Holiday’ button

Frequently Asked Questions

1. Can the ST9400C be used for both heating and hot water control?

Yes, the ST9400C is designed for control of both heating and stored hot water in complete systems. The heating and hot water programmes are completely independent.

2. How many on/off switchings per day does the ST9400C offer?

The ST9400C offers up to three on/off switchings per day, providing great flexibility for different heating needs.

3. Can each day be programmed differently?

Yes, each day can be programmed differently on the ST9400C, allowing for customized heating schedules.

4. Does the ST9400C have a ‘Holiday’ mode?

Yes, the ST9400C features a ‘Holiday’ button that allows the user to switch off their heating for a specified number of days while they are away from home.

Conclusion

The Honeywell ST9400C ST9400C1000 7 Day or 5/2 Day Two Channel Programmer for Central Heating and Hot Water is a versatile and user-friendly controller that offers independent control of heating and hot water in complete systems. With its flexible programming options, clear display, and convenient features like the ‘Holiday’ button, the ST9400C provides an energy-efficient solution for managing home heating and hot water needs.