Honeywell Fan and Limit Control - 
Controls high limit and fan motors in forced air heating systems.

Features
• Three wiring terminal options available for easy installation.
• Push-in receptacles for stripped wire.
• Female receptacles for 1/4 inch male flag connectors.
• Auxiliary screw terminals.
• Field adjustable fan and high limit settings.
• L4064B,W, and R models have a manual fan switch that overrides the fan control to keep the fan running continuously.
• TRADELINE models with mounting adapters for easy installation and strain relief bushings to protect wiring from field abuse..

Product Specifications
• Application: Forced warm air heating systems
• Dimensions: 4¼" (109mm) H x 3" (76mm) W x 1¼" (40mm) deep excluding element 
• Comments: Turns fan on and off according to plenum temperature via helical bimetal sensing element. High limit stop set at 200°F (93°C). Breakaway Jumper included. Includes manual and automatic fan on/off settings. Replaces L4064A,B,E
• Mounting: Surface or universal mounting bracket available (50077438-001/U)
• Electrical Ratings: Fan- (AFL)-- 14 A @ 120 Vac: 7 A @ 240 Vac; Fan- (ALR)-- 84 A @ 120 Vac: 42 A @ 240 Vac; Limit- (AFL)-- 8 A @ 120 Vac: 4 A @ 240 Vac; Limit- (ALR) 48 A @ 120 Vac: 24 A @ 240 Vac
• Approvals, Underwriters Laboratories Inc.: Listed File MP466, Guide MBPR
• Approvals, Canadian Standards Association: Certified: File No. LR1622
• Tradeline Value: Tradeline
• Temperature Ratings: Maximum Ambient: At switch - 190°F (88°C); At element: 350°F (177°C); High Limit: 100°-250°F (38°C-121°C); Fan-on: 65°-215°F (18°C-102°C); Fan-off: 50°-200°F (10°C-93°C); High Limit Stop: 200°F; Fan-on Stop: 125°F; Fan-off Stop: 100°F
• Operating Temperature Range: -40°F (-40°C) to +190°F (+88°C)
• Differential Temperature: High limit 25°F (14°C)
• Switching Action: Fan switch makes and high limit switch breaks on temperature rise
• Element Insertion Length: 5 in. (127mm)
• Pilot Duty Ratings: 0.25 A @ 0.25 to 12 Vdc; 2 A @ 24 Vac

 

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