Related Manuals for Honeywell S7800A1001
Summary of Contents for Honeywell S7800A1001
- Page 1 (217) 352-9330 | Click HERE Find the Honeywell S7800A1001 at our website:...
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Page 2: Table Of Contents
Features ................Specifications ..............Ordering Information ............Installation ................ Wiring ................Troubleshooting ..............11 ® U.S. Registered Trademark Copyright © 2002 Honeywell • All Rights Reserved 65-0090-4 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com... -
Page 3: Specifications
Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A. -
Page 4: Installation
7800 SERIES S7800A KEYBOARD DISPLAY MODULE Humidity from the communication or remote display cover assembly (part number 204718A) or other suitable enclosure that Install the S7800A where the relative humidity never reaches meets the IP40 class of protection. the saturation point. The S7800 is designed to operate in a maximum 85% RH continuous, noncondensing, moisture Accessories: environment. -
Page 5: Wiring
7800 SERIES S7800A KEYBOARD DISPLAY MODULE Door Panel Mounting Fig. 3. Panel mounting of a keyboard display module. 1. Select the location on the door panel for flush mounting. 2. Pay attention to the insertion dimensions of the two Fig. 4. Remote mounting of a keyboard display module KDM screws, two interlocking ears, and the two plug-in using a 203765 Remote Display Mounting Bracket. - Page 6 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 1. Recommended Wire Size and Part Number. Application Recommended Wire Size Recommended Part Number Keyboard Display Module 22 AWG two-wire twisted pair with Belden 8723 shielded cable or equivalent. ground, or five-wire. Data ControlBus™ Module 22 AWG two-wire twisted pair with Belden 8723 shielded cable or equivalent.
- Page 7 7800 SERIES S7800A KEYBOARD DISPLAY MODULE sequence status information. It also replaces a selectable message after 60 seconds if it or a lockout message is S7800 KEYBOARD DISPLAY MODULE available. The 7800 SERIES Relay Module LED provide (MOUNTED ON 7800 SERIES RELAY MODULE) positive visual indication of the Relay Module sequence.
- Page 8 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Keyboard Functions When the last item of the selectable message is viewed, the display wraps around and displays the first The keyboard contains four push-buttons with separate selectable message again. functions (SCROLL-down, SCROLL-up, MODE, and ↔...
- Page 9 7800 SERIES S7800A KEYBOARD DISPLAY MODULE SAVE SAVE M1934C Fig. 11. MODE push-button function. 4. SAVE function, see Fig. 12. The SAVE function enables users to identify the selectable message they want to view upon power restoration. The second line selectable message are restored to the most recently saved selection when power returns.
- Page 10 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 3. Selectable Messages . Selectable Possible States/ Range Message/Display Description (Terminals) Comments Flame Signal Flame signal strength. 0 - 5.0 Vdc Flame Amp (+ and Flame relay pull-in and drop- - (Com)) out value 1.25 Vdc. Total Cycles Total number of equipment 0 - 99,999...
- Page 11 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 3. Selectable Messages (Continued). Selectable Possible States/ Range Message/Display Description (Terminals) Comments Valv/Start T21 Interrupted/Intermittent = 1 or 0 Indicates if output is on or off, Pilot Valve, First Stage Oil energized or de-energized. Valve or Start Input.
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Page 12: Troubleshooting
7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 4. Expanded Annunciator. Selectable Message (Second Line) Display Value (Second Line) First Line Message Expanded Annunciator↔ Expanded Annunciator (EA not "EA connected)< Current Status (CS:) EA Message< "EA Valve Closure (Valve Close) T5 = 1 or 0< "EA Burner Switch (Burner Sw.) T5 = 1 or 0<... - Page 13 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 5. Keyboard Display Module Sequence and Status Hold Messages . Sequence Status INITIATE mm:ss The Keyboard Display Module (KDM) indicates the burner status, INITIATE, a stabilization period for the relay module to check for any fluctuations in ac line voltage inputs or control inputs on power up or during normal operation.
- Page 14 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 5. Keyboard Display Module Sequence and Status Hold Messages (Continued). Sequence Status PURGE HOLD: F/G The KDM indicates the burner status and that a flame is detected. The burner sequence does not (Flame Detected) advance through PREPURGE because a flame is detected as being present.
- Page 15 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 6. Accessing Historical and Diagnostic Selectable Messages. Step Operation Press Display Comments Press SCROLL key to access STANDBY Use the Down/Up SCROLL keys to access Diagnostic Information. Diagnostic Info> the selectable message. The second line will display Diagnostic Information.
- Page 16 7800 SERIES S7800A KEYBOARD DISPLAY MODULE 4. State 4: In the fourth state, both lines are blanked for NOTE: For further explanation of Lockout Messages, Trou- one-half second, then the display sequences to the first bleshooting and Checkout, refer to form 65-0229. state.
- Page 17 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 11 Running Interlock powered at 1. Check wiring to make sure that interlocks are connected *Running ILK On* improper sequence point. properly between terminals 6 and 7.
- Page 18 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 18 Flame sensed when the shutter 1. Check that flame is not present in the combustion chamber. *Flame Detected* is open and no flame is Correct any errors.
- Page 19 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 27 Start Switch was on during 1. Start Switch held on too long. *Start Switch On* PREPURGE (Device specific). 2.
- Page 20 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 32 Combustion Airflow Interlock 1. Check wiring and correct any errors. *Airflow Switch* fault. 2. Inspect the fan; make sure there is no blockage of the air intake and it is supplying air.
- Page 21 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 45 Low Fire Interlock switch failure 1. 1. Check wiring and correct any errors. *Low Fire Sw. Off* to close or stay closed. 2.
- Page 22 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 51 Flame signal value is too high 1. Make sure that flame detector and flame amplifier are *Flame Too Strong* to be valid.
- Page 23 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 68 Preignition Interlock fault. 1. Check wiring and correct any errors. *Preignition ILK* 2. Inspect the Preignition Interlock switches and make sure they work properly.
- Page 24 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Table 7. Hold and Fault Message Summary (Continued). Fault Code System Failure Recommended Troubleshooting Fault 109 Negative cycle test failed, earth 1. Make sure a good earth ground connection exists at the *Call Service* ground absent or line voltage installation site and all earth ground connections are complete phasing improper.
- Page 25 7800 SERIES S7800A KEYBOARD DISPLAY MODULE Automation and Control Solutions Honeywell International Honeywell Europe S.A. Honeywell Latin American Region Honeywell Honeywell Limited-Honeywell Limitée Control Products 3 Avenue du Bourget 1985 Douglas Drive North 35 Dynamic Drive Honeywell Building 1140 Brussels...