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Honeywell RM7890 On-Off Primary Controls

On-Off Primary Controls

Microprocessor-based integrated primary burner control for automatically fired gas, oil or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls.

• Functions include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting.
• Subbase and amplifier are required for operation.
• Options include PC interface, keyboard display module, DATA CONTROLBUS® MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER® software.
• Five LEDs provide sequence information.
• Interchangeable plug-in flame amplifiers.
• Optional local or remote annunciation of operation and fault information.
• Nonvolatile memory retains history files and sequencing status after power loss.
• Optional remote reset capability.
• Optional report generation.
• Selectable relight or lockout on loss of flame.
• Contains Valve Proving Feature - require S7800A1142 Keyboard Display (not provided) to set up.

Select a link under the "item" tab below to order.

Cat #CommentsVoltagePilot TypeMainPilotGastec/European
RM7890A1015120 Vac (+10, -15%)IntermittentIntermittent4 sec or 10 sec
RM7890A1031120 Vac (+10, -15%)IntermittentIntermittent30 sec
RM7890A1064120 Vac (+10, -15%)IntermittentIntermittent4 sec or 10 secGASTEC: CE-63AP3070/1, Approved to EN298.
RM7890B1014Includes Shutter Drive Capability120 Vac (+10, -15%)IntermittentIntermittent4 sec or 10 sec
RM7890B1030Includes Shutter Drive Capability, Alarm sounds when Reset pushed.120 Vac (+10, -15%)IntermittentIntermittentFixed 4 sec or 10 sec PFEP
RM7890C1005Standing Pilot Applications120 Vac (+10, -15%)
RM7890D1004Higher Flame Sensor Voltage for Infrared Heater Applications120 Vac (+10, -15%)IntermittentIntermittent15 sec or 30 sec

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