Total System Rejuvenation 60-Point

Checklist

Condenser

• Check to make sure the condenser is level.
• Remove dirt, debris, and leaves from inside the condenser.
• Clean electrical components with compressed air or nitrogen.
• Verify that drainage holes in the bottom of the condenser are clear.
• Check for damaged fins; straighten if necessary.
• Clean condenser coils and exterior of unit.
• Check condenser fan mounting bracket or wires.
• Check and record condenser fan amp draw.
• Check the condenser fan motor for bearing wear.
• Lubricate the motor is applicable.
• Check the balance of condenser fan blade.
• Check and record coil temperature differential.
• Check refrigerant piping for kinks or bends.
• Check suction line insulation.
• Tighten and secure all electrical connections.
• Check for frayed, worn, or brittle wiring.
• Check for proper voltage; record.
• Check the outdoor electrical disconnect.
• Check fuse holders and verify correct fuse sizes.
• Verify capacitor microfarad rating.
• Check crankcase heater operation.
• Check contactor contacts and operation.
• Check electrical relays.
• Check high and low-pressure controls.
• Check and record superheat and sub-cooling.
• Check compressor terminals.
• Check and record compressor amp draw.
• Check for high temperature differential across refrigeration components.
• Check and record operating temperatures and pressures.
• Check for adequate refrigerant change.
• Check for refrigerant leaks.
• Check to make sure refrigerant piping is secure and not vibrating.
• Check for and replace missing screws, bolts, and hardware.

Evaporator

• Check and spray/brush the evaporator coil.
• Check the coil for air restriction.
• Check the TXV for proper location and contact with the suction line.
• Check and secure suction line insulation.
• Check capillary tubing for kinks.
• Check and clean the condensate pump, including the safety switch.

Furnace, Air Handler, Controls

• Check and clean the blower assembly.
• Check the air filter; clean or replace as necessary.
• Clean the inside compartments of the air handler.
• Check the blower motor; lubricate is applicable.
• Check and record blower motor amp draw.
• Check blower belt and tension, if applicable.
• Check fan center and cooling relay.
• Clean the exterior of the unit.
• Tighten and secure unit electrical connections.
• Check for frayed, brittle, or worn wiring.
• Check and record temperature drop across the evaporator coil.
• Check for and replace missing screws, bolts, and hardware.
• Check thermostat electrical connections.
• Make sure the thermostat is level.
• Check thermostat accuracy.

Ductwork

• Verify that all registers are open.
• Check the system’s external static pressure.
• Check for proper airflow.
• Verify proper duct sizes.
• Check ductwork for air leakage.
• Check for any missing or loose insulation.

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