Carrier 48TJ660010 Heat Exchanger Refrigerant turn the adjustment screw until

turn the adjustment screw until the status LED changes state

while it is moisture-resistant and rated for wet locations (TWN75)

Simplified Troubleshooting: On-board diagnostic LED indicates system status and fault codes

this unit is specifically calibrated for Lennox sequence timings and voltage requirements

Carrier 48TJ660010 Heat Exchanger Refrigerant turn the adjustment screw untilThe Carrier 48TJ660010 Heat Exchanger is the factory authorized replacement for the discontinued 48TJ660002, specifically engineered for high performance rooftop unit (RTU) applications. As a critical component in your client's commercial HVAC system, this 5 tube aluminum heat exchanger features an integrated exhaust regulator to ensure precise draft control and safe combustion gas expulsion. Designed for durability in demanding environments, it