14 Point Spring Conditioning Checklist
Check Operating Pressures
Check voltage and amperage of all motors
Check Air temperature drop across evaporator
Check for Proper Refrigerant Charge
Check for Refrigerant Leak
Check for evaporator superheat
Lubricate all moving parts
Check Belts and adjust tension
Check filters
Check Pressure switch cut-out settings
Check Time delay relays
Check Contractor points
Check all wiring connections
Check and adjust thermostat
Check air temperature across condenser
Turn exposed dampers to cooling position
Lubricate contactors

Heat Pump Checklist
A/C Checklist plus
Test defrost controls