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Carrier NaturaLINE 69NT40-601 User Manual

Carrier NaturaLINE 69NT40-601
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Container Refrigeration
ANNUAL INSPECTION
For
NaturaLINE 69NT40-601
Container Refrigeration Units
62-12119
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Carrier NaturaLINE 69NT40-601 Specifications

General IconGeneral
BrandCarrier
ModelNaturaLINE 69NT40-601
CategoryRefrigerator
LanguageEnglish

Summary

Purpose

Warnings and Notes

Unit Nameplate

Unit Nameplate Details

Details the location and information found on the unit's nameplate, including model and serial numbers.

Rear of Unit Inspection

Evaporator Coil Inspection

Inspect and clean the evaporator coil, checking for fin damage, leaks, and corrosion.

Evaporator Motor and Stator Check

Check the evaporator fan motor and stator for bearing drag, corrosion, and secure mounting.

Evaporator Fan Blade Inspection

Inspect the evaporator fan blade for cracking or wear and replace if necessary.

Wire Harnesses Examination

Examine wire harnesses for damage and ensure they are properly secured.

Defrost Termination Sensor (DTS) Check

Verify the Defrost Termination Sensor is secure, undamaged, and properly connected.

Defrost Drain Inspection

Inspect and clean the defrost drain cup, gutters, and lines for blockages.

Electronic Expansion Valve (EEV) Check

Check the EEV for refrigerant leaks, corrosion, and proper connection to the powerpack.

Evaporator Temperature Sensor (ETS) Check

Ensure the Evaporator Temperature Sensor wire tie is in place and insulation is secure.

Heaters and Heater Brackets Inspection

Inspect heaters and their brackets for damage and ensure proper positioning and wiring.

Heater Termination Thermostat (HTT) Check

Check the Heater Termination Thermostat for proper positioning, damage, and replace if needed.

USDA and Interior Communication Sockets Check

Verify USDA and communication sockets are clean, dry, and have caps fitted.

Air Flow Inspection

Check channels, air baffles, and drains for cleanliness to ensure proper air circulation.

Front of Unit Inspection

Leak Checking Procedure

Examine the unit for oil residue and perform leak checks on mechanical joints using an electronic detector.

Corrosion Maintenance

Perform corrosion maintenance by cleaning, scuffing, and repainting affected surfaces.

Access Panels Inspection

Inspect evaporator access panels, seals, and evaporator motor shaft for proper condition and fit.

Gas Cooler Motor and Fan Blade Check

Check gas cooler fan blade for wear, motor for overheating, and mounting bracket integrity.

Gas Cooler Coil Inspection

Inspect the gas cooler coil for leaks, corrosion, and straighten any damaged fins.

High Pressure Expansion Valve (HPXV) Check

Ensure the HPXV coil is fully snapped down and the coil boot is properly fitted.

Economizer and Unloader Valve (ESV / USV) Check

Check the O-ring seating and ensure the solenoid coil is fully pressed onto the valve stem.

Pressure Relief Valves (LS, FT & HS) Inspection

Inspect pressure relief valves for signs of release indicated by indicator tape.

Filter Drier Inspection

Check the filter drier for excessive corrosion or physical damage and replace if necessary.

Water-Cooled Condenser Inspection

Inspect the water-cooled condenser assembly and water connections for damage or corrosion.

Power Cables Inspection

Inspect power cables, plugs, and gaskets for damage, arcing, pitting, or missing locating lugs.

Electrical Control Box Check

Ensure the electrical control box interior is dry, free of damage, and wiring is secured.

Interrogation Sockets Check

Verify interrogation sockets are secure, free from damage, and have properly tethered caps.

Wiring Inspection

Examine loose wires and harnesses outside the control box for neatness and condition.

Frame Inspection

Inspect the unit frame for cracks, damage, or missing structural items and repair as needed.

Operational Inspection Procedures

Appendix

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