Honeywell RM7890 On-Off Primary Control with VPS
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.
• Power LED blinks Fault Code on lockout.
• 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 # | Comments | Voltage | Frequency |
| RM7890A1056 | Includes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciation | 120 Vac (+10, -15%) | 50 Hz; 60 Hz (±10%) |
| RM7890B1048 | Includes Shutter Drive Capability, VPS (Valve Proving Switch) check and blinking LED fault annunciation | 120 Vac (+10, -15%) | 50 Hz; 60 Hz (±10%) |
