Description
The Honeywell RM7800L/40G,L and EC7840L Relay Modules are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. The RM7800L/40G,L and EC7840L Relay Modules are used for UL/CSA Modulating and FM/IRI Modulating burner applications. The RM7800L/40G,L, EC7840L system consists of a Relay Module. Keyboard Display Modules (standard with RM7800), Dust Cover (standard with RM7840/EC7840L), Subbase, Amplifier, and Purge Card. Options include DATA CONTROLBUS MODULE™, Remote Display Mounting, First-Out Expanded Annunciator and Modbus™ communications capable.