5D51-90 – FAN & LIMIT CONTROL (8″)
$163.37
The 5D51-90 is a fan and limit control with an 8-inch element, designed to regulate fan operation and provide high-limit safety control in HVAC systems, featuring adjustable fan differential and fixed limit differential settings.
Only 1 left in stock
Description
The 5D51-90 is a fan and limit control device designed for HVAC systems, regulating fan or blower operation and serving as a high-limit safety control. Its 8-inch insertion element makes it suitable for applications with specific space requirements.
Compatibility:
- Compatible with various HVAC systems requiring a fan and limit control with an 8-inch element.
- Suitable for use in forced warm air furnaces to regulate fan operation and provide high-limit safety control.
Key Technical Specifications:
- Fan Temperature Range: 50°F to 265°F (10°C to 129°C)
- Limit Temperature Range: 100°F to 300°F (38°C to 149°C)
- Fan Differential: Adjustable, minimum 15°F
- Limit Differential: Fixed, 25°F
- Element Length: 8 inches
- Switch Action:
- Fan: Closes on temperature rise
- Limit: Opens on temperature rise
- Electrical Ratings:
- Fan Circuit:
- 14.0 FLA at 120 VAC
- 7.0 FLA at 240 VAC
- Limit Circuit:
- 10.0 FLA at 120 VAC
- 6.0 FLA at 240 VAC
- Fan Circuit:
Replacement Part Numbers:
- White-Rodgers: 5D51-90
- Emerson: 5D51-90
- Honeywell: L4064B2236
Additional Information:
- Features slotted mounting holes for easy installation.
- Equipped with long terminal screws, allowing for wiring junctions on the terminal block.
- Dial includes individual pointers for fan cut-in and cut-out settings, facilitating precise adjustments.
- Removable solid copper jumper between fan and limit switches provides flexibility in wiring configurations.
- Includes a summer fan switch for ventilation without altering control settings, utilizing the same fan and limit switch mechanism.
- Regular inspection and maintenance are recommended to ensure optimal performance and safety.
