RM7838C1004 | Honeywell 7800 Series Semi-Automatic Burner Control Unit, 120 VAC

Honeywell · HVAC & Building Controls

Description  The Honeywell RM7838C1004 burner control unit is a microprocessor-based relay module designed for semi-automatic burner management in industrial combustion systems. Operating at 120 VAC, it controls pre-ignition, flame establishment, and safety interlocks for intermittent pilot burner applications. This unit includes an S7800 keyboard display module for system monitoring and diagnostics.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Burner Controls Part Number RM7838C1004 Subcategory Burner Control Units Series 7800 Series Product Type Burner Control Relay Module Supply Voltage 120 VAC Frequency 50/60 Hz (±10%) Programming Type Semi-Automatic Pilot Type Interrupted Pilot Flame Establishing Period 4 sec or 10 sec Main Flame Establishing Period Intermittent (10 sec) Pre-Ignition Yes Interlocks Running / Lockout Display Included Yes (S7800) Operating / Storage Temperature -40°F to +140°F (-40°C to +60°C) Vibration Rating 0.5 G Approvals UL, CSA, FM, FCC Part 15 Class B, CSD-1, Swiss RE Dimensions (W × H × D) 5 × 5 × 5.25 in (with Q7800A subbase) Weight 1 lb 10 oz (0.7 kg)   Information About RM7838C1004 The RM7838C1004 is part of Honeywell’s 7800 Series burner management controls, engineered for safe and reliable operation of automatically fired burners. It is designed for semi-automatic programming control and manages ignition sequencing, pilot and main flame supervision, and lockout interlocks. The control supports interrupted pilot operation with selectable pilot flame establishing periods and an intermittent main flame establishing period. Built for demanding industrial environments, it integrates with Honeywell wiring subbases, flame signal amplifiers, and purge timer cards to form a complete flame safeguard system. Key Features: 7800 Series Relay Module: Designed for integration into Honeywell’s advanced burner management systems. Semi-Automatic Programming Control: Supports controlled startup and operation of industrial burners. Interrupted Pilot Operation: Manages pilot ignition with selectable flame establishing periods. Integrated Safety Interlocks: Provides lockout and running interlock functionality for burner safety. Included S7800 Display: Enables local status indication, diagnostics, and troubleshooting. 120 VAC Power Input: Compatible with standard industrial power supplies at 50/60 Hz. Flexible System Integration: Supports multiple Honeywell subbases, flame amplifiers, and purge timer cards. The RM7838C1004 delivers the reliability and precision required for safe burner sequencing and flame safeguard control in industrial combustion applications.

Brand: Honeywell · Category: HVAC & Building Controls

Key features

• 7800 Series Relay Module: Designed for integration into Honeywell’s advanced burner management systems.
• Semi-Automatic Programming Control: Supports controlled startup and operation of industrial burners.
• Interrupted Pilot Operation: Manages pilot ignition with selectable flame establishing periods.
• Integrated Safety Interlocks: Provides lockout and running interlock functionality for burner safety.
• Included S7800 Display: Enables local status indication, diagnostics, and troubleshooting.
• 120 VAC Power Input: Compatible with standard industrial power supplies at 50/60 Hz.
• Flexible System Integration: Supports multiple Honeywell subbases, flame amplifiers, and purge timer cards.

Specifications

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