Datasheet Content
7800 SERIES
S7800A2142 4-Line LCD
Keyboard Display Module
PRODUCT DATA
The S7800A2142 is required to program
the Valve Proving feature of selected 7800
Series devices.
The S7800A2142 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).
APPLICATION • When used with the new 7800 SERIES
The S7800A2142 Keyboard Display Module with Postpurge feature, the KDM allows
(KDM) provides current system status along for programming the Postpurge time
with first-out annunciation and system (Pass Code protected feature).
diagnosis using a five-row by 64 column • Allows for naming the S7830 Expanded
readout (Main screen shows 4 rows of text Annunciator terminals to match your
for better long-distance legibility, all other system drawings. (Displayed message
screens show 5 rows of text). The KDM only.) (Pass Code protected feature.)
provides local or remote annunciation of • An eight line (available by scrolling)
operation and fault information, remote by twenty column readout set of “Call
reset, report generation, burner control data Service” (Business Card) alpha/numeric
and diagnostic information. The KDM is directions can be displayed instead of the
part of the 7800 SERIES of microprocessor- standard lockout display message. (Pass
based burner controls for gas, oil, coal Code protected feature).
or combination fuel single burner • Enable ModBus communication feature.
applications. • Configure language for English, Spanish,
The 7800 SERIES is programmed to provide or French.
a level of safety, functional capabilities • On-line troubleshooting guide.
and features beyond the capacity of
conventional controls.
Contents
FEATURES 2 APPENDIX B: BURNER CONTROL
SPECIFICATIONS 2 COMMISSIONING 43
INSTALLATION 3 APPENDIX C: DIAGNOSTICS 48
WIRING 5 APPENDIX D: ANNUNCIATOR TERMINAL
TROUBLESHOOTING 10 MESSAGES 50
APPENDIX A: DISPLAY SETUP 28 APPENDIX E: MODBUS FUNCTION 51
32-00110-07
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
The Business Card (Call Service) and • Device type.
Expanded Annunciator can be made up • Flame amplifier type.
using: • Flame failure response time (FFRT).
• Capital letters (A through Z in configured • Manufacturing code.
language). • On-Off status of all digital inputs and
• Lower case letters (a through z in outputs.
configured language). • Prepurge time
• Numbers (0 through 9). • Postpurge time
• Symbols (!, @, #, $,%, etc.). • Valve Proving mode
Programming can be done with the S7800 • Valve Proving time
KDM mounted on a 7800 SERIES Relay • Software revision and version of 7800
Module or with a 13 Vdc power source SERIES.
connected to the KDM through the 203541 • Relay Module and KDM.
5-wire connector. • Status of configuration jumpers.
• Status of Run/Test Switch.
Since your Business Card (Call Service) • Reset count
S7800A2142 will be left at the job site, • Reset reason
programming your personal three-number
password and personal lockout message
can be set up ahead of time without being SPECIFICATIONS
connected to a 7800 SERIES device.
Electrical Ratings:
Voltage and Frequency: 13 Vdc peak full
FEATURES wave rectified (+20%/- 15%).
• Application flexibility. Power Dissipation: 7W maximum. VA
• Communication interface capability. consumption: 2 VA maximum.
–– Through Q7700 Network Interface Unit
–– Through 203541 Connector on the Terminal Ratings:
ModBus data high- way. Power: 13 Vdc peak full wave rectified.
• Dependable, long-term operation Earth Ground.
provided by microcomputer technology.
Environmental Ratings:
• First-out annunciation and system
diagnostics provided by a 5-line by Ambient Temperature Ranges:
64-character display. Operating: 0 °F (-18 °C) to +140 °F (+60 °C).
• First-out expanded annunciation with 24 Storage: -22 °F (-30 °C) to +158 °F (+70 °C).
limit and interlock Light Emitting Diodes Humidity: 85% relative humidity
(LEDs). continuous, noncondensing.
• Local or remote annunciation of NOTE: UL NEMA Class 4 rating when P/N
operation and fault information. 204729A,C NEMA 4 Cover is used.
• UL NEMA Class 4 rating when p/n Vibration: 0.5G environment.
204729A,C NEMA 4 cover is used.
• Remote reset. Mechanical:
• Report generation. Dimensions: See Fig. 1.
• On-line troubleshooting guide. Weight: 4 oz. (124 grams), unpacked.
• Burner controller data:
–– Sequence status. Display:
–– Sequence time. 5 rows by 64 columns with title and
–– Hold status. navigation bar.
–– Lockout/alarm status.
–– Flame signal strength. Languages:
–– Expanded annunciator status. S7800A2142 English/Spanish/French
–– Total cycles of operation. Language display.
–– Total hours of operation.
–– Fault history of six most recent faults: Approvals:
• Cycles of operation at time of fault. Underwriters Laboratories Inc. Listed: File
• Expanded annunciator data at time No. MP268, guide No. MCCZ.
of fault. Factory Mutual Approved: Report No.
• Fault message and code. J.I.1V9A0.AF. IRI: Acceptable.
• Hours of operation at time of fault. Federal Communications Commission: Part
• Sequence status at time of fault. 15, Class B emissions.
• Sequence time at time of fault
–– Diagnostic information:
32-00110-07 2
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
EN60730: For compliance with remote Disconnect the power supply before
KDM mounting require- ments, provide beginning installation to prevent
electrical insulation separation by electrical shock and equipment
insulation using double or reinforced damage. More than one power
insulation. Do this by: Optically iso- supply disconnect can be involved.
lating the communication or remote
When Installing This Product…
reset lines from the control cabinet, or 1. Read these instructions carefully.
provide physical separation from the Failure to follow them could damage the
communication or remote display cover product or cause a hazardous condition.
assembly (part number 204729A) or other
2. Check the ratings given in the
suitable enclosure that meets the IP40 instructions and marked on the product
class of protection. to make sure the product is suitable for
Accessories: your application.
203541 ControlBus™ 5-wire Electrical 3. Installer must be a trained, experienced,
Connector. flame safeguard service technician.
S7810A1009 Data ControlBus™ Module. 4. After installation is complete, check out
203765 Remote Display Mounting Bracket. the product operation as provided in
221818A 60 in. (1.5 m) Extension Cable these instructions.
Assembly. 5. Be sure wiring complies with all
221818C 120 in. (3 m) Extension Cable applicable codes, ordinances and
Assembly. regulations.
204729A NEMA 4 Cover Assembly for 6. See Fig. 3 for S7800A unique wiring
S7800A KDM. connections.
204729C NEMA 4 Cover Assembly for IMPORTANT
S7800A KDM with reset button. 1. This equipment generates, uses and can
205321B Remote Display Flush Mount Kit. radiate radio frequency energy and, if not
4.85
(123.3)
.22 installed and used in accordance with the
(5.7)
instructions, can cause interference to radio
communications. It has been tested and
2.75…
