Honeywell S7800A Keyboard Display Module

Honeywell S7800A Keyboard Display Module

  • Application flexibility.
  • Required to program on Honeywell RM7800 series burner controls
  • Provides current status of burner sequence, timing, hold, and lockout information
  • Communication interface capability.
    • Through Q7700 Network Interface Unit
    • Through 203541 Connector on the ModBus data highway.
  • First-out annunciation and system diagnostics provided by a 2-row by 20-column display
  • Approvals: UL, CSA and FM


The S7800A Keyboard Display Module (KDM) provides current system status along with first-out annunciation and system diagnosis using a two-row by twenty-column readout.

The S7800A1142 is required to program the Valve Proving feature of select 7800 Series devices.

Provides current status of burner sequence, timing information, hold information and lockout information, as well as selectable or preemptive messages.

The KDM provides local or remote annunciation of operation and fault information, remote reset, report generation, burner control data and diagnostic information. The KDM is part of the 7800 SERIES of microprocessor-based burner controls for gas, oil, coal or combination fuel single burner applications.

The 7800 SERIES is programmed to provide a level of safety, functional capabilities and features beyond the capacity of conventional controls.

Technical Documentation

S7800 Series Keyboard Display Module (KDM) Technical Documentation

S7800A for Valve Proving KDM Technical Documentation

Click to Download PDFs:

7800 Series S7800A Keyboard Display Module

7800 Series S7800A1142 Keyboard Display Module