Honeywell st9400s programmer manual

document replaces any previously issued instructions and is only applicable to the ST9400S. Contents. WHAT IS A PROGRAMMER? General Description . View and Download Honeywell ST9400S user manual online. 1 Day Programmer, 2 channel With Boiler Service Reminder / Shut-down Feature. ST9400S View online or download Honeywell ST9400S User Manual, Installation 1 Day Programmer, 2 channel With Boiler Service Reminder / Shut-down Feature. 2007 Honeywell International Inc. ST9400S Programmer. With Boiler Service Reminder / Shut-down Feature. INSTALLATION INSTRUCTIONS. 50022736-006 A. Order your Honeywell ST9400S 1 Day Two Channel Programmer (with Service Interval Timer) from Direct Heating Supplies & get next working day delivery. View the Honeywell ST9400S manual for free or ask your question to other The purpose of the Programmer is to control the times when the heating and hot ST9400 is a 2-channel Programmer, designed for control of ST9400 can also be set as a Mini- manufacturers' instructions or to Honeywell for assistance. 3. The ST9400 range of programmers are two channel programmers, with independent timing restrict the heating to manual control only, or disable the heating.