RM7897C1000 HONEYWELL ON-OFF PRIMARY CONTROL WITH PRE & PROGRAMMABLE POST PURGE
- 120V
- 50/60Hz
- Operating Temp -40 to 140 F
- Pilot Flame Establishing Period 4 or 10 seconds
Use with any R78XX amplifier and ST7800 purge timer
Features
- Programmable Post Purge Using S7800A1142 Keyboard Display (Not Provided)
- Power LED Blinks A Fault Code On Safety Shutdown.
- Five LEDs Provide Sequence Information.
- Interchangeable Plug-In Amplifiers
- Local Or Remote Annunciation Of Operation And Fault Information Using The S7800 Keyboard Display Module.
- Non-Volatile Memory Retains History Files And Lockout Status After Loss Of Power.
- Selectable Recycle Or Lockout On Loss Of Airflow Or Flame.
- Shutter Drive Output.
The Honeywell RM7890; RM7895 Relay Modules are microprocessor based integrated burner controls for automatically fired gas, oil or combination fuel single burner On/Off applications.
The RM7890; RM7895 System consists of the relay module, wiring subbase, 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
