General Purpose Relay with DPDT Switching, 24 VAC

Honeywell R8222D1014/U General Purpose Relay – 24V Coil with SPST Switching for HVAC and Appliance Control

The Honeywell R8222D1014/U is a compact general-purpose relay designed for controlling line-voltage loads using a 24 VAC coil input. This SPST relay is suitable for a wide range of control applications, including HVAC equipment, refrigeration systems, and commercial appliances. It provides dependable switching performance in both new installations and replacement scenarios.

Constructed with an open-coil design for thermal efficiency and a laminated magnet core for improved electrical performance, the R8222D relay is built for reliable operation under varying environmental and load conditions.

Application Features

• Relay Type: SPST (Single Pole, Single Throw)
• Coil Voltage: 24 VAC, 50/60 Hz
• Contact Rating: 3 A resistive at 120 VAC
• Mounting Base: Standard mounting plate; compatible with common competitor bases (e.g., Mars 90340, Steveco 90-340)
• Coil Termination: Molded terminal identifiers for simplified wiring
• Construction: Laminated magnet and open coil configuration for heat dissipation

Technical Specifications

• Model: R8222D1014/U
• Electrical Rating: 3 A @ 120 VAC (resistive load)
• Control Voltage: 24 VAC, 50/60 Hz
• Temperature Operating Range: -20°F to 115°F (-29°C to 46°C)
• Dimensions: 1-7/8 in H × 2-5/32 in W × 2-3/8 in D

Installation Considerations

This relay is intended for indoor installation in control panels, HVAC enclosures, or terminal boxes. Wiring should be completed by qualified technicians in accordance with local codes. The compact footprint and plug-compatible design make this relay an efficient replacement for legacy models with matching base formats.

Common Use Cases

• Fan and blower control in HVAC systems
• Compressor or solenoid switching in refrigeration applications
• Control of resistive loads in vending or appliance equipment

System Integration Notes

The R8222D1014/U supports retrofit installations with its industry-standard mounting base. Its open-frame configuration allows for inspection and simplified terminal access. Ensure control wiring is isolated and properly rated for the load type and voltage to prevent premature failure.