The Honeywell ST9400C 7 Day Programmer is a two-channel programmer for total system control of both heating and stored hot water. The heating and hot water programs are fully autonomous, allowing for the most energy-efficient operation of the system. The Honeywell ST9400C Two-Channel unit is a 7-day full programmer with excellent versatility, including up to three on/off switchings per day and the ability to program each day separately, which is ideal for when the user's heating needs vary from day to day. During installation, the Honeywell ST9400C can be configured to a 5/2-day or 1-day schedule. The Line of Text (LoT™) display is standard on all Honeywell ST9400 models, and it provides clear plain English instructions anytime any button or slider is pressed. Installers, customers, and users will be able to reliably use all of the controls without the need to consult an instruction manual. Text feedback and programming hints are provided by the LoT™ display. For older gravity circulation stored hot water systems, a mini programmer is available. A backlit display of a large size Clock and date is set at the factory. 1-hour time shift between summer and winter Override facilities, either temporary or permanent Extra hour service is available for up to 3 hours of extra boost or program extension. Three separate built-in programs are available. Indicator lights for the program fit on a typical backplate in the industry. Direct replacement for ST6400 models Any preset parameters are stored in non-volatile memory eternally. There are up to three on/off timings each day. ‘Holiday’ button.

• LoT display provides 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
• Operating temperature range from 0 to 40°C
• Fits on industry standard back plate
• Direct replacement for ST6100 models
• Any programmed settings retained indefinitely in non-volatile memory

Range Description	ST9000 Series
Brand Name	Honeywell Home
Manufacturer Model No	ST9400C1000
Depth	35 mm
Height	99 mm
Width	145 mm
Timer Cycle	7 Day
Digital or Analogue	Digital
Number of Zones	1
Voltage	230 V
Wired or Wireless	Wired
Colour	White
Years Guaranteed	1
Type	Programmer