RM7890A1015 | Honeywell 7800 Series Relay Modules

The Honeywell RM7800/RM7840 Relay Modules are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. The RM7800/RM7840 Relay Modules are used for UL/CSA On/Off, UL/CSA Modulating, and FM/IRI Modulating burner applications. The RM7800/RM7840 system consists of a Relay Module. Keyboard Display Modules (standard with RM7800), Dust Cover (standard with RM7840), Subbase, Amplifier, and Purge Card. Options include Personal Computer Interface, DATA CONTROLBUS MODULEô, Remote Display Mounting, First-Out Expanded Annunciator and Combustion System Managerô Software. Voltage and Frequency:RM7890: 120 Vac (+10/-15%), 50/60 Hz (±10%).EC7890: 220/ 240 Vac (+10%/-15%), 50/60 Hz (±10%).Power Dissipation: 10W maximum.Maximum Total Connected Load: 2000 VA.Fusing Total Connected Load: 15A maximum, type SC orequivalent, fast blow.