Upgrade Replacement Programming Control for R4140L

Overview: The Honeywell R7140G, L, M Burner Control Modules are microprocessor-based integrated burner control for automatically fired gas, oil or combination fuel single burner applications. Features: Functions provided by the R7140G,L,M include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. Upgrade replacement for BC7000 or R4140 legacy Programmer controls. Require ST7800 Purge Timer and appropriate R78XX Amplifier to complete the replacement. Flame Establishing Period - Pilot: 4 sec or 10 sec Flame Establishing Period - Main: 10 sec, or 15 sec, or 30 sec, or Intermittent Interlocks: Lockout Preignition: Yes Required Components: UR7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800 Plug-in Purge Timer Card. AirFlow Check: User selectable Second Stage Pilot Valve: Interrupted Pilot Type: Interrupted Vibration: 0.5 G environment