Honeywell RM7890
The Honeywell RM7890B; RM7895A Relay Modules are microprocessor based integrated burner controls for automatically fired gas, oil or combination fuel single burner On/Off applications. The RM7890B; RM7895A System consists of the relay module, wiring sub-base, amplifier and the RM7895A also requires a purge timer.
Options include Keyboard Display Module (KDM), Data ControlBus™ Module, remote display mounting and Modbus communications is available using the S7810M Modbus Module or configuring the S7800 KDM. The RM7890; RM7895 is programmed to provide a level of safety, functional capability and features beyond the capacity of conventional controls.
The RM7890; RM7895 provides on/off automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. The RM7895 includes an output for the blower motor to provide purging.
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Cables, batteries, power supplies and other accessories are sold separately unless otherwise stated.