RM7897A1002/U
On-Off Primary Burner Control
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With Pre And Programmable Post Purge, 120 VAC, 50/60 Hz., Selectable Pilot Type, 4 Second Or 10 Second Pilot Flame Establishing Period, Includes Blinking LED Fault Annunciation Feature, Used With 7800 Series Amplifiers.
Features
Functions Include Automatic Burner Sequencing, Flame Supervision, System Status Indication, System Or Self Diagnostics And Troubleshooting
Programmable Post Purge Using S7800A1142 Keyboard Display (Not Provided)
Power LED Blinks A Fault Code On Safety Shutdown
Subbase, Amplifier, And Purge Card Are Required For Operation
Options Include Modbus Interface, Keyboard Display Module, Remote Display Module, And First-Out Expanded Annunciator
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
Technical Details
Application
On-Off Primary Control With Pre And Programmable Post Purge
Operating Conditions
-40 F To 140 F
Prepurge
Determined By ST7800A Purge Timer Card
Interlocks
Selectable
