Rheem-Ruud 61-100141-15 TXV

The Honeywell Home R8285A1048 is a heavy-duty electronic fan center designed for direct control of single-speed or multispeed fan motors and auxiliary equipment in high-efficiency heating and cooling systems. This fan center features a DPDT switching configuration with a 24V coil, allowing for seamless integration with low voltage thermostats to manage line-voltage blower circuits. The internal 40VA transformer provides a reliable power source for control circuits, featuring color-coded leadwires for rapid field installation. Rated for up to 13.8 AFL at 120V, this HVAC relay center is engineered for mounting on a standard 4x4 junction box, ensuring code-compliant electrical terminations. For technicians performing retrofits or repairs, the R8285A1048 offers a robust solution for managing system-on/system-off cycles, effectively replacing older fan control centers while maintaining high inductance load stability across demanding residential and light commercial air handlers.

Key Benefits

• DPDT Switching: Provides versatile control over both fan motors and auxiliary system components from a single point.
• Internal 40VA Transformer: Delivers consistent 24V control power, reducing the need for external power supplies.
• Standard J-Box Mounting: Simplifies installation by mounting directly to a 4" x 4" electrical box for a professional finish.
• High Amperage Rating: Supports full load amp (FLA) requirements for standard air conditioning and furnace blowers.
• Simplified Wiring: Features pre-stripped, color-coded leads to minimize errors and reduce time spent on the job site.

Common Questions

Can the R8285A1048 be used with multispeed blower motors?
Yes, the DPDT relay allows for switching between different motor taps, though external wiring must be configured to prevent simultaneous energizing of multiple windings.

What is the primary difference between the R8285A and R8285B models?
The R8285A series typically includes the DPDT relay, whereas other variants may utilize SPDT or SPST configurations; always verify the contact rating and coil voltage before replacement.

How do I handle the secondary common terminal for electronic thermostats?
The Honeywell fan center provides standard C and R terminals from the transformer, ensuring steady 24V power for smart thermostats that require a common wire.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.