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Honeywell RM7890 Microprocessor-Based On/Off Primary Control
Honeywell RM7890 Microprocessor-Based On-Off Primary Control
Buy a Honeywell RM7890 Microprocessor-Based On/Off Primary Control from Lesman.com Request a Quote on a Honeywell RM7890 Microprocessor-Based On/Off Primary Control
 HoneywellFeatures
  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics, and troubleshooting
  • Five LEDs provide sequence information. Optional local or remote annunciation of operation and fault information
  • Selectable relight or lockout on loss of flame
  • Valve proving feature tests valve seat integrity to detect a leak greater than 0.1% of burner input capacity
  • Requires S7800A1142 keyboard to set up valve proving (VPS) and change post-purge time
Models Available to Buy Online at Lesman.com
If the model you need isn't listed here, call Lesman Inside Sales at 800-953-7626.
On/Off primary control. 4- or 10-second pilot flame establishing period, intermittent main flame establishing period, intermittent pilot type. RM7890A1015
On/Off primary control with Valve Proving feature and blinking LED fault annunciation. 4- or 10-second pilot flame establishing period, intermittent main flame establishing period, intermittent pilot type. RM7890B1048

Supporting Documentation
Click the file icon to view the file online, or right-click on the file icon and select "Save Target As..." to download the file to disk for later viewing.

Type Description Size
Click to Download Adobe PDF: Popular Honeywell Burner and Boiler Control (Flame Safeguard) Products Available from Lesman Popular Honeywell Burner and Boiler Control (Flame Safeguard) Products Available from Lesman 436KB
Click to Download Adobe PDF: Honeywell RM7890A,B Microprocessor-Based On-Off Primary Controls Datasheet Honeywell RM7890A,B Microprocessor-Based On/Off Primary Controls Datasheet 484KB
Click to Download Adobe PDF: Honeywell RM7890A,B Microprocessor-Based On-Off Primary Controls Installation Instructions Honeywell RM7890A,B Microprocessor-Based On/Off Primary Controls Installation Instructions 403KB
Click to Download Adobe PDF: Honeywell RM7890 Microprocessor-Based On-Off Primary Controls Conversion Wiring Diagrams Honeywell RM7890 Microprocessor-Based On/Off Primary Controls Conversion Wiring Diagrams 112KB
Click to Download Adobe PDF: Honeywell RM7890A1056, RM7890B1048 Microprocessor-Based On-Off Primary Controls with Valve Proving Brochure Honeywell RM7890A1056, RM7890B1048 Microprocessor-Based On/Off Primary Controls with Valve Proving Brochure 134KB
Click to Download Adobe PDF: Honeywell RM7890A1056, RM7890B1048 Microprocessor-Based On-Off Primary Controls with Valve Proving Installation Instructions Honeywell RM7890A1056, RM7890B1048 Microprocessor-Based On/Off Primary Controls with Valve Proving Installation Instructions 773KB
Click to Download Adobe PDF: Honeywell RM7890D, RM7895E,F Microprocessor-Based On-Off Primary Controls Datasheet Honeywell RM7890D, RM7895E,F Microprocessor-Based On/Off Primary Controls Datasheet 1.9MB
Click to Download Adobe PDF: Honeywell RM7890D, RM7895E,F Microprocessor-Based On-Off Primary Controls Condensed Datasheet Honeywell RM7890D, RM7895E,F Microprocessor-Based On/Off Primary Controls Condensed Datasheet 435KB

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Last Ed. Date: 05/12/2008 11:03 AM
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