MHS7800A1142, Honeywell, Keyboard and Display S7800A1142

The S7800A1142 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 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 S7800A1142 KDM offers the following technical advancements to the 7800 SERIES devices: • Compatible with installed Honeywell 7800 SERIES systems. • When used with the new 7800 SERIES with Valve Proving Feature, the KDM allows for programming the Valve Proving Control feature and timing (Pass Code protected feature). • Allows for naming the S7830 Expanded Annunciator terminals to match your system drawings. (Displayed message only.)(Pass Code protected feature.) • A three screen two-row by twenty-column readout set of “Call Service” (Business Card) alpha/numeric directions can be displayed instead of the standard lockout display message. (Pass Code protected feature). This “business card” can be cloned to other displays to save setup time. • Enable ModBus Communication feature.