Honeywell RM7890B1048 burner control

Honeywell RM7890B1048 burner control unit is used in single burner systems operating on gas, liquid fuel, coal, or combined fuel. It automates burner operations, monitors flame, indicates system status, performs diagnostics, and detects faults.

Five LEDs display the current stage of operations. The system can repeat the cycle or lock out upon flame failure. It supports external voltage control and features interchangeable flame signal amplifiers.

Non-volatile memory stores process history and status during power outages. Honeywell RM7890B 1048 burner control unit is compatible with Honeywell flame detectors.

Honeywell RM7890B1048 automatic burner control technical data:

• Power Supply: 120 V, 50/60 Hz
• Dimensions: width – 127 mm; height – 127 mm; thickness – 133 mm with base Q7800A, thickness – 155 mm with base Q7800B.
• Weight: 0.8kg
• Ambient temperature: -40 C to +60 C (-40 F to +140 F)

Honeywell RM7890 B 1048 burner controller essential components:

• Q7800A,B Universal mounting base with wiring
• Flame signal amplifiers R7824, R7847; R7848; R7849; R7861, R7886

Honeywell RM7890B 1048 burner control unit accessories:

• 123514A Flame Rectifier Simulator
• 203541 Electric 5-wire ControlBus connector
• 203659 UV Flame simulator
• 203765, 205321B, 204718A,B,C Mounting brackets for remote displays
• 203968A Remote display power supply (=13V) removable
• 221729A Dust Cover
• 221818A Extension cable set, 1524 mm long
• 221818C Extension cable set, 3048 mm long