The Honeywell RM7890A1056/U is a microprocessor-based integrated on/off primary burner control for automatically fired gas, oil or combination fuel single burner applications. Includes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciation. 4 or 10 second pilot flame establishing period, intermittent main flame establishing period, intermittent pilot type. Requires S7800A1142 Display to program VPS feature.
The EC/RM7890 system consists of the Relay Module, Subbase and Amplifier. Options include Keyboard Display Module (KDM), Modbus module, Data ControlBus Module, and Remote Display Module. Mounting: Q7800A for panel mount. Q7800B for wall or burner mount. Details on all functions provided, review the technical document or contact us for your application assistance.
- SKU 221-1103
- Mfg. P/N RM7890A1056/U
- Approvals UL, CSA and FM
- Voltage/Power 120 Vac, 50/60 Hz
- On-Off Primary Control with VPS
- Ambient temperature rating: -40 Deg F to 140 Deg F (-40 C to +60 C)
- 4 or 10 sec pilot flame establishing period. Intermittent main flame establishing period and pilot type.
- Subbase and amplifier are required for operation
- Five LEDs provide sequence information
- Interchangeable plug-in flame amplifiers
- blinking LED fault annunciation
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