RM7896D1027 Honeywell Burner Control

UPC: 085267171021 The Honeywell RM7896D1027 Burner Control 120V, 50/60 HZ. Switch CHECK. 15 SEC POSTPURGE. PURGE LED INSTEAD OF STANDARD Flame LED. Power LED BLINKS ALARM CODE ON LOCKOUT. Overview The RM7896D1027 is a microprocessor-based Honeywell burner control designed for automatically fired gas, oil, or combination-fuel single-burner systems. It provides pre-purge and post-purge sequences, interrupted-pilot ignition, dynamic airflow-switch testing, and full system diagnostics for maximum safety and reliability. Features ON/OFF primary burner sequencing with automatic flame supervision Pre-purge and 60-second post-purge Interrupted pilot ignition Pilot flame establishing period selectable between 4 seconds or 10 seconds Main flame establishing time of 10 seconds Dynamic Airflow Switch (AFS) check Self-diagnostics with 5-LED status and sequence indicators Non-volatile memory retains fault history after power loss Lockout safety logic with detailed fault codes Wide environmental operating range for harsh industrial sites Accepts standard 7800 Series sub-bases and accessories Specifications Application On-Off Primary Control with Pre and Post purge Dimensions (in.) 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase Dimensions (mm) 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase Weight (lb) 1 lb 15 oz Weight (kg) 0.9 kg Comments Blinking Fault code LED, early spark termination when flame sensed, pre and post purge Frequency 50 Hz; 60 Hz (±10%) Approvals, Underwriters Laboratories Inc. Component Recognized, File No. MP268; Guide No. MCCZ. Approvals, Canadian Standards Association Certified, File No. LR95329-3. Voltage 120 Vac ( 10, -15%) Shipping and Storage Temperature Range (F) -40 F to 140 F Shipping and Storage Temperature Range (C) -40 C to 60 C Approvals, Federal Communications Commission FCC Part 15, Class B, Emissions. Flame Establishing Period – Pilot 4 sec or 10 sec Flame Establishing Period – Main 10 sec Interlocks Selectable PrePurge Determined by ST7800A Purge Timer Card PostPurge 60 sec Required Components Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. AirFlow Check Dynamic Delayed Main Valve Yes Pilot Type interrupted Vibration 0.5 G environment Approvals, Swiss RE Acceptable Approvals, Factory Mutual Report No. OX4A5.AF. Applications Commercial and industrial single-burner systems Gas, oil, and combination-fuel burners Systems requiring thorough purge cycles and reliable flame supervision Replacement and retrofit upgrades in existing Honeywell 7800 Series setups Facilities needing advanced diagnostics and safety lockout capability Benefits Improves safety with integrated pre/post purge sequences Fast troubleshooting via LED status display and stored fault history Withstands rugged industrial temperature ranges Flexible configuration supports a wide range of burner applications Modular design for quick maintenance and replacement