The Keyboard Display Module (KDM) is part of the 7800 SERIES of microprocessor-based burner controls for gas, oil, coal or combination fuel single burner applications.

The S7800A1001 is the English version KDM for the 7800 Series Relays. It provides current status of burner sequence, timing information, hold information and lockout information, also selectable or pre emptive messages.

Features include:
English version
Application flexibility
First-out annunciation and system diagnostics provided by 2 row by 20 column Vacuum Fluorescent Display (VFD).
S7800A1001 offers "Call Service" (Business Card) programmable message displayed when system lockout occurs.
S7800A1001 series 5 and greater has selectable ModBus Feature.
Local or remote annunciation of operation and fault information.
First out expanded annunciation with 24 limit and interlock LEDs enhances keyboard display module information.
Remote reset.
Consult the attached pdf specifications for further product information.