Honeywell 7800 Series Burner Controls S7800A1001/U Keyboard Display Module

Provides current status of burner sequence, timing information,
hold information and lockout information, as well as selectable or
pre-emptive messages.
• 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 Mod Bus 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.