Below is the procedure for Heat Exchanger replacement for the Carrier Furnace.

Expanded view of Heat System Components

Breakout of Heat Exchanger Components

Furnace with Faulty Heat Exchanger (Inspection by certified Technician)

Carrier Heat Exchanger  

Removal of all components- Burners, Inducer Motor, Pressure switches, Control board, Harness, Gas valve, Blower motor, Inlet panel, High limit switch, J-box, Drain connections, Flame Sensor, Hot Surface Igniter

Carrier Heat Exchanger Replacement  Carrier Heat Exchanger Replacement  Carrier Heat Exchanger Replacement

Carrier Heat Exchanger Replacement

Empty Shell of Furnace

Empty Furnace Shell Empty Furnace Shell Empty Furnace Shell

Pulling out complete Primary Cells & Secondary Heat Exchanger Assembly

Primary Cells & Secondary Heat Exchanger Assembly Primary Cells & Secondary Heat Exchanger Assembly

Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger

Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger

Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger Dismantling of Primary Cell Inlet panel, Coupling box, Cold spot baffle & Secondary Condensing Heat Exchanger

Assembling Primary cells with Inlet and Outlet Panel with new Gasket.

 

 

Assembling Secondary Heat Exchanger with Inlet panel

Re-Installation of new Cold spot baffle and Coupling box between Primary cells outlet & Secondary Heat exchanger inlet with new Gaskets & Sealant.

Secondary Heat exchanger installation Secondary Heat exchanger installation Secondary Heat exchanger installation

Complete Heat exchanger assembly to be placed inside Furnace upper cabinet with proper alignment, secure with screws and sealent

 

Re-installation of all Components previously removed – Burners, Inducer Motor, Pressure switches, Control board, Harness, Gas valve, Blower motor, Inlet panel, High limit switch, J-box, Drain connections, Flame sensor, hot surface igniter

Secondary Heat exchanger installation Secondary Heat exchanger installation 

Commissioning and testing of Furnace