Controls high limit and fan motors in forced air heating systems.
FEATURES & BENEFITS
• 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. • Dimensions (in.): 4 9/32 in. high x 3 in. wide x 1 19/32 in. deep excluding element • Comments: Turns fan on and off according to plenum temperature via helical bimetal sensing element. High limit stop set at 200F (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 • Temperature Ratings (C): Maximum Ambient-- At switch 88 C: At element: 177 C; High Limit-- 38 C to 121 C; Fan-on-- 18 C to 102 C; Fan-off-- 10 C to 93 C • Temperature Ratings (F): Maximum Ambient-- At switch: 190 F: At element: 350 F; High Limit-- 100 F to 250 F; Fan-on-- 65 F to 215 F; Fan-off-- 50 F to 200 F; High Limit Stop-- 200 F; Fan-on Stop-- 125 F; Fan-off Stop-- 100 F • Operating Temperature Range (F): -40 F to +190 F • Operating Temperature Range (C): -40 C to +88 C • Differential Temperature (F): High limit 25 F • Differential Temperature (C): High limit 14 C • Switching Action: Fan switch makes and high limit switch breaks on temperature rise. • Element Insertion Length (in.): 11 1/2 in. • Pilot Duty Ratings: 0.25 A @ 0.25 to 12 Vdc; 2 A @ 24 Vac
