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 AIR CONDITIONING AND HEATING TUNE UP  Finch Air Conditioning and Heating recommends that you have your air conditioning and heating systems properly serviced before turning them on for the season. AIR CONDITIONING TUNE UP (Spring Service) • Clean condenser coil (outside unit) • Check all electrical connections on outside unit • Check condenser fan motor for worn bearings and lubrication openings (where applicable) • Check contactor points for burned or pitted contacts • Check condenser coil for degradation and corrosion • Connect Freon gauges and electrical temperature and power consumption instruments • Check inside air return for air tight integrity and adequate filter grill surface area • Check air return in attic for air leaks and proper size • Check and clean blower motor and wheel if needed and lubricate motor (if applicable) • Check connections to evaporator coil for air leaks and condensation • Clean evaporator coil • Clean around the attic equipment and be sure all doors and connections are secure • Check for proper air flow for the system size • Check the ducts visually to see any obvious trouble with the duct system • Check thermostat for accuracy • Check outside unit through the entire operating mode to insure minimum power consumption and maximum cooling capacity • Disconnect all test equipment from unit (replace all panels and caps) • Check Freon gauge access ports to be sure they are not leaking • Pick up drop cloths that were under the stairway • Inform home owner of any needed repairs or upgrades that might be needed in the near future • Check temperature difference across evaporator coil • Check refrigerant pressures HEATING TUNE UP (Fall Service) • Perform carbon monoxide leak test of heat exchanger/combustion chamber • Check vent system for obstructions and carbon monoxide leaks • Check heat exchanger for sooting, crack and deformation • Inspect gas valve for leaks, corrosion, restrictions, proper opening and abnormal noise • Inspect ignition assembly for proper lighting and flame monitoring • Check for any gas leaks • Check high limit controls and rollout switches • Lubricate blower, combustion and pump motors (where appropriate) • Inspect air filtration system • Inspect gas burner system • Check and adjust manifold gas pressure for proper flame control • Check and tighten all required areas of the electrical system • Check operation of thermostat and adjust if required and t-stat has adjustment capability • Check temperature rise across heat exchanger for proper temperature. (diagnose if not correct temp) • Complete operations sequence 
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