Check Operating Pressures

Check Voltage & Amperage To All Motors With Meter

Check CFM Across Evaporator Coils

Check For Adequate Refrigerant Charge & Possible Leaks

Check Evaporator Superheat

Lubricate All Moving Parts

Check Belt & Adjust Tension

Check Air Filter

Check Pressure Switch Cut-Out Settings If Applicable

Check Start Capacitor & Potential Relay

Check Compressor Contactor

Check All Wiring & Connections

Clean & Adjust Thermostat

Clean Condensing Coil

Check That Condensate Drain Is Open

Fire Unit &. Check Current Operation

Oil All Motors, Where Possible

Change Air Filter

Clean & Adjust Pilot Assembly

Check Standing Pilot

Check Electronic Spark Ignition Control

Check & Adjust Main Burners

Check For Gas Leaks In Piping & In Furnace

Check Furnace Blower Assembly For Proper Set-Up

Visibly Check Heat Exchanger For Leaks

Inspect Vent & Pipe To Chimney & Chimney Base

Check All Limits & Controls For Proper Operation

Check Gas Pressure

Refire Unit & Check For Proper Draft

Check For Correct Temperature Rise Through Furnace

Check For Carbon Monoxide

Check & Clean Thermostat

Vacuum Secondary Radiator Coil

Check & Clean Condensate Drain Line

Check Intake & Exhaust Piping For Obstructions