The METROPAC Limit Control features a manual reset function within a 200°F range, providing reliable temperature management for heating systems. This device is crucial for maintaining safe operating conditions, preventing overheating. Constructed from durable materials, it meets industry standards for performance and reliability. The limit control is designed for easy installation and compatibility with various systems, making it a practical choice for HVAC applications. Its dependable operation ensures optimal system efficiency and safety.
Residential Comfort/Combustion : Combustion Controls : Fan and Limit Controls : L4029 : L4029E1029/U
Limit control with a fixed 200 F range, manual reset, and a 3 in. insertion
Overview
L4029E Reset Limit Control opens a line or low voltage circuit if the air temperature reaches a critical level. L4029E acts as a fire thermostat in the ducts of AC & ventilating systems. If the air temperature indicates a fire, the fan is shut down.
Features
- Shuts off the fan when air temperature is indicative of fire.
- Internal snap-acting switch actuated by a bimetal strip inserted directly into the air stream responds rapidly to temperature changes.
- Requires manual reset.
Product Specifications
- Dimensions (in.)
- 3 3/4 in. high x 2 5/16 in. wide x 2 in. deep excluding element.
- Dimensions (mm)
- 95 mm high x 59 mm wide x 51 mm deep excluding element.
- Electrical Ratings
- Limit- (AFL)-- 2 A @ 30 Vac: 10 A @ 120 Vac: 5 A @ 240 Vac; Limit- (ALR)-- 60 A @ 120 Vac: 30 A @ 240 Vac
- Approvals, Underwriters Laboratories Inc.
- Listed: File No. MP466, Vol. 8, Guide No. MBPR2
- Approvals, CSA
- Certified: File No. LR95329-5
- Temperature Ratings (C)
- Maximum Ambient-- At switch 88 C: At element: 177 C
- Temperature Ratings (F)
- Maximum Ambient-- At switch: 190 F: At element: 350 F; High Limit Stop-- 200 F
- Switching Action
- Normally closed SPST switch opens on temperature rise to the set point. Switch must be manually reset to operate.
- Element Insertion Length (in.)
- 3 in.
- Element Insertion Length (mm)
- 76 mm
- Pilot Duty Ratings
- 0.25 A @ 0.25 to 12 Vdc
