Enhanced 4 Line 7800 Keyboard Display Module

New Display Allows for Call Service Business Card on ScreenNo More Fault Codes Fault Description Displayed on Screen

Honeywells new S7800A2142 Keyboard Display Module KDM provides current system status along with first-out annunciation and system diagnosis using a five-row by 64-column readout Main screen shows 4 rows of text for better long-distance legibility, all other screens show 5 rows of text. 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 S7800A2142 offers these advancements to the 7800 SERIES devices:

• It is compatible with already installed Honeywell 7800 SERIES systems.
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• A readout of Call Service Business Card directions can be displayed instead of the standard lockout display message.
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• When used with the new 7800 SERIES with Valve Proving feature, this display allows for programming the valve proving control feature and timing. The S7800A2142 is required to program the Valve Proving feature of selected 7800 Series devices.
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• When used with the new 7800 SERIES with Postpurge feature, it allows for programming the Postpurge time.
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• It allows for naming the S7830 Expanded Annunciator terminals to match your system drawings.
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• This display enables a ModBus communication feature.
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• You can configure language for English, Spanish, or French.
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• It contains an on-line troubleshooting guide.

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The Business Card Call Service and Expanded Annunciator can be made up using:

• Capital letters A through Z in configured language.
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• Lower case letters a through z in configured language.
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• Numbers 0 through 9.
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• Symbols !, @, #, $,%, etc..

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