Transcription of 65-0126 - 7800 Series Rm7890A,B,C Relay Module - …
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7800 Series Rm7890A,B,C . Relay Module The Honeywell RM7890 is a microprocessor based integrated burner control for automatically fired gas, oil or combination fuel single-burner appli- cations. The RM7890 consists of the Relay Module . Subbase and Amplifier are required to complete the system. Options include Keyboard Display Module , Personal Computer Interface, DATA. CONTROLBUS Module , Remote Display Mod- ule, First-Out Expanded Annunciator and COM- BUSTION SYSTEM MANAGER Software. The RM7890 is programmed to provide a level of safety, functional capability and features beyond the capacity of conventional controls. Functions provided by the RM7890 include auto- matic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. Safety features: Sequence status. Closed loop logic test. Sequence time. Dynamic AMPLI-CHECK.
Earth G Earth Ground1 L2(N) Line Voltage Common 3 Line Voltage Supply (L1) 120 Vac (+10/-15%), 50 or 60 Hz ... Flame Detection System available for use with RM7890. To select your Plug-in Flame Signal ... lockout and indicate a Fault 46 if a 3.0 second FFRT is used and jumper JR2 (Lockout) is not clipped and removed.
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