Maintenance Plan Checklist

21-point Heating Inspection

R

Electronic carbon monoxide detection

R

Check for gas leaks

R

Inspect pilot assembly

R

Check all electrical connections

R

Test and inspect all safety controls

R

Check hot surface ignition or spark ignition

R

Inspect burners for rust and wear

R

Check draft inducer fan motor

R

Check thermostat operation (proper calibration and batteries)

R

Verify proper temperature rise

R

Check gas valve for proper operation

R

Check blower wheel and oil when needed

R

Inspect flue and vent pipe

R

Replace 1” filter

R

Test and adjust gas pressure

R

Clean flame sensor

R

Clear pressure tubing; inspect for cracks

R

Check 90% furnace if applicable

R

Inspect ductwork for energy loss; sealing of system; plenums; take offs; duct wrap; etc

R

Defrost cycle

R

Advice on additional energy consumption, safety and comfort opportunities

21-point AC inspection

R

Check thermostat operation (proper calibration and batteries)

R

Replace 1" filter

R

Check air temperature differential between supply and return is within tolerance

R

Inspect disconnect

R

Inspect fuses and wiring

R

Tighten all electrical connections

R

Inspect and test contactors for burned, pitted contacts

R

Inspect and test relays and pressure controls

R

Check supply voltage and amperage to all motors

R

Inspect line set and connections for leaks

R

Inspect and clean condenser coil with hose if needed

R

Inspect ductwork for energy loss; sealing of system, plenums; take offs; duct wrap, etc

R

Flush drain line; check condensate pump is clear

R

Drain pan and evaporator coil surface clean

R

Monitor operating pressure of refrigerant

R

Inspect and test capacitors

R

Inspect safety devices for proper operation

R

Test that refrigerant levels are within specs

R

Inspect condenser fan blade

R

Inspect service valves for proper operation

R

Monitor compressor for proper amperage draw and wiring connections

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