Summer Cooling 15-point Service Check List

 1. Install gauges and check operating pressures
 2. Check voltage and amperage to all motors with meter
 3. Check air temperature drop across evaporator
 4. Check for adequate refrigerant charge & possible leaks
 5. Check evaporator superheat
 6. Lubricate all moving parts
 7. Check belt and adjust tension
 8. Check filters
 9. Check pressure switch cut-out circuits
10. Check electrical / lock out circuits
11. Check starting contactor contacts
12. Check all wiring and connections
13. Clean and adjust thermostat
14. Check air temperature across condenser
15. Check that condensate drain is open. Turn exposed
    dampers to cooling position, if marked (no balancing)

Winter Heating Check List