Honeywell RM7823A1016 Flame Switch Module

Configured for flame detection and switching in 7800 Series flame safeguard systems, the Honeywell RM7823A1016 ( RM7823A Flame Switch Module) provides direct physical/electrical execution.

Hardware Specifications

4-20 mA HART Loop Protocol & Channel Isolation

The module functions as a microprocessor-based integrated flame switch accepting interchangeable plug-in flame amplifiers (rectification, UV, or IR). Onboard logic monitors flame signals and drives shutter control circuitry for dynamic AMPLI-CHECK self-checking routines. Dual SPDT relay outputs execute contact closure upon flame presence or absence. Non-volatile memory stores system diagnostic parameters, total operating cycles, and the six most recent fault history records across power cycles.

Frequently Asked Questions

Q: Does the RM7823A1016 function as a standalone primary burner safeguard controller?

A: No, the RM7823A is strictly a flame detector relay module and must be paired with a suitable primary burner control to manage safe-start checks, safety lockout sequence timing, and load switching.

Q: How is the Flame Failure Response Time (FFRT) determined for this module?

A: The FFRT is determined by the specific 7800 Series plug-in flame amplifier selected, providing response timings of either 0.8 seconds or 3.0 seconds.

Field Installation Guidelines

1. Disconnect all primary line power supplying the subbase before inserting or removing the RM7823A1016 module.
2. Verify that the selected plug-in flame amplifier and scanner assembly match the targeted combustion process and flame spectrum (rectification, UV, or IR).
3. Ensure signal leads from the flame scanner are run in separate dedicated conduit away from high-voltage ignition leads to prevent noise coupling.
4. Mount the unit securely on the 7800 Series wiring subbase, ensuring all terminal contacts fully engage and ground connections are securely bonded to the chassis.