Burner Control HONEYWELL EC 7890 A 1011 – The Honeywell EC7890A,B/RM7890 is a microprocessor based integrated burner control for automatically fired gas, oil or combination fuel single burner applications. The EC/RM7890 system consists of the Relay Module, Subbase and Amplifier. Options include Keyboard Display Module (KDM), Personal Computer Interface, Data ControlBus Module, Remote Display Module, First-Out Expanded Annunciator and COMBUSTION SYSTEM MANAGER Software. The EC/RM7890 is programmed to provide a level of safety, functional capability and features beyond the capacity of conventional controls. Functions provided by the EC/RM7890 include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
Safety features:
- Closed loop logic test.
- Dynamic AMPLI-CHECKĀ.
- Dynamic input check.
- Dynamic safety relay test.
- Dynamic self-check logic.
- Expanded safe-start check.
- Internal hardware status monitoring.
- Tamper resistant timing and logic.
