RM7896C1010

The Honeywell RM7896C1010 is an advanced on‑off primary burner control designed for industrial and commercial single‑burner applications where safety, reliability, and fault diagnostics are critical. This microprocessor‑based module provides full burner sequencing with both pre‑purge and post‑purge capability, automatic flame supervision, and selectable interlocks to ensure code‑compliant combustion cycles. It integrates seamlessly with Honeywell 7800 Series subbases, flame amplifiers, and optional display or communication modules for expanded monitoring and control flexibility. The RM7896C1010’s comprehensive diagnostic features and non‑volatile memory make it an ideal choice for OEM designers, system integrators, and maintenance professionals seeking dependable burner safety controls.

Technical Specifications

Specification	Detail
Model	RM7896C1010
Manufacturer	Honeywell
Module Type	On‑Off Primary Burner Control with Pre‑ and Post‑Purge
Control Functions	Automatic sequencing, flame supervision, safety shutdown
Pilot Type	Interrupted pilot
Voltage	120 VAC (50/60 Hz)
Flame Establishing Period — Pilot	4 sec or 10 sec (selectable)
Flame Establishing Period — Main	10 sec
Pre‑Purge	Timer determined by ST7800A purge card
Post‑Purge	15 sec
Interlocks	Selectable relight or lockout
Diagnostic Indicators	Five LED sequence/fault indicators
Memory	Non‑volatile history & status retention
Mounting	Plug‑in subbase (Q7800A/B) required
Required Components	Subbase, flame amplifier, purge timer card
Operating Temp.	-40 °C to +60 °C
Storage Temp.	-40 °C to +60 °C
Dimensions (mm)	~127 × 127 × 133 with Q7800A Subbase; 127 × 127 × 155 with Q7800B Subbase
Weight	~0.9 kg
Approvals	UL Recognized, CSA Certified, FCC Part 15 Class B
Additional Features	Delayed main valve, selectable interlocks, shutter drive output

Note: Full operation requires compatible subbase, flame amplifier series, and a purge timer card to implement purge timing.

Recommended Related Models

Honeywell RM7896A1012 On‑Off Primary Control (intermittent pilot)
Honeywell RM7896B1011 On‑Off Primary Control with airflow check
Honeywell RM7896D1019 On‑Off Primary Control (interrupted pilot with airflow check)
Honeywell RM7895A1014 On‑Off Primary Control
Honeywell RM7895C1012 Primary Control with diagnostics & purge
Honeywell RM7890B1014 Burner Safety Control

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Applications

The RM7896C1010 is engineered for industrial combustion systems that require rigorous safety sequencing and flame monitoring, including:

Industrial steam and hot water boilers
Commercial furnace control systems
Thermal process heaters and ovens
HVAC burner management panels
Process combustion equipment in food and chemical industries
OEM burner control assemblies requiring full purge logic

Its pre‑ and post‑purge capability and selectable interlocks make it suitable for systems governed by strict safety standards and safety codes.

Advantages

Full Purge Control
Includes both pre‑purge and post‑purge sequences for safer and more efficient burner start and shutdown cycles.

Advanced Diagnostics
Five LED indicators provide clear sequence status and fault feedback, while non‑volatile memory retains history after power loss.

Modular System Integration
Compatible with Honeywell 7800 Series subbases, interchangeable flame amplifiers, and optional interface modules for enhanced control and reporting.

Selectable Safety Interlocks
Operators can configure relight or lockout behavior on airflow or flame loss to match application needs.

Industrial‑Grade Reliability
Designed for harsh operating environments, wide temperature range, and demanding combustion cycles with robust electrical and mechanical construction.

Technical FAQs

What is the primary use of the RM7896C1010?
It serves as an on‑off primary burner control with integrated pre‑ and post‑purge logic and flame supervision for industrial combustion systems.
What type of pilot operation does it support?
The module supports an interrupted pilot configuration for flame establishment.
Does it include post‑purge sequencing?
Yes — a 15‑second post‑purge sequence is included to safely clear residual combustion gases.
What additional components are required for operation?
A compatible wiring subbase, flame amplifier, and purge timer card are required for full functionality.
Can this module retain fault history after power loss?
Yes, non‑volatile memory preserves sequencing status and history.
What approvals does it carry?
The module carries UL recognition, CSA certification, and meets FCC Part 15 Class B emissions standards.
Is the post‑purge duration fixed?
The standard configuration includes a 15‑second post‑purge; extended timing options may be programmable with auxiliary purge cards.
How are interlocks configured?
Operators can select between relight or lockout behavior on flame or airflow loss.
What temperature range can it operate in?
Rated for -40 °C to +60 °C ambient conditions.
Can the control interface with remote annunciators or PC software?
Yes, optional modules such as keyboard displays, remote annunciator panels, or combustion management software interfaces are available.