RM7800L1087 Microprocessor-Based Programmer Control with VPS LHL-LF Proven Purge, Lockout Interlocks, and Included S7800A1142 Keyboard Display — 120 Vac

RM7800L1087 Programmer Control
VPS LHL-LF Proven Purge, Lockout Type, Includes S7800A1142 Keyboard Display, 120 Vac

The RM7800L1087 is a microprocessor-based integrated programmer control designed for automatically fired gas, oil, coal, or combination fuel single burner applications. This model includes Valve Proving System (VPS) capability and is equipped with the S7800A1142 Keyboard Display Module. It provides advanced safety, diagnostics, and operational control, meeting the demands of industrial and commercial burner systems.

Key Features

• Includes S7800A1142 Keyboard Display for programming, diagnostics, and local system feedback

• Performs automatic burner sequencing, flame supervision, and system diagnostics

• Valve Proving Feature ensures gas valve integrity during startup

• Proven purge control with LHL (Low High Low) and LF (Low Fire) sequencing

• Five-function Run/Test switch for service and commissioning flexibility

• LED indicators (5) display power and sequence status; lockout code displayed via blinking LED

• Compatible with Honeywell’s full range of 7800 Series plug-in flame amplifiers

• Allows remote or local annunciation of operation and fault conditions

• Retains historical lockout and sequence data in nonvolatile memory

• Supports communication interface options for advanced system monitoring

• External electrical voltage test points for easy service diagnostics

• Mounts to standard Q7800A or Q7800B universal subbases

Technical Specifications

Common Applications

• Industrial and commercial burners requiring proven purge and VPS

• Retrofit upgrades for older flame safeguard systems

• Multi-fuel combustion systems needing advanced control logic

• Systems requiring onboard diagnostics and lockout data retention

• Installations needing external keyboard display access for setup and reset