• Check Thermostat operation • Tighten all electrical connections • Inspect all contactor and relays • Inspect all wiring • Inspect all pilot lights and igniters, burners • Inspect flue pipe, diverter and flue connections • Inspect indoor and outdoor coils and clean if necessary • Check rain guards • Check compressor • Check refrigerant systems for leaks and operation • Check insulation and clamps • Check and adjust burners • Check and adjust dampers • Lubricate all moving parts • Inspect air filters and clean or replace • Inspect and adjust all temperature and safety controls • Inspect and adjust all valves • Inspect oil in compressors and add if necessary • Check evaporative condensers and clean as needed • Check and adjust condensate pumps and drains as necessary • Inspect and clean condensate drain pan and install condensate treatment tablets • Clean condensate p-trap • Clean blower compartments • Inspect and adjust all belts and replace as needed • Provide itemized checklist documentation of Preventative Maintenance activities per location.
