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Carrier NaturaLINE 69NT40-601 Manual
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Carrier NaturaLINE 69NT40-601 Manual

Container refrigeration units
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Container Refrigeration
ANNUAL INSPECTION
For
NaturaLINE 69NT40-601
Container Refrigeration Units
62-12119

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Summary of Contents for Carrier NaturaLINE 69NT40-601

  • Page 1 Container Refrigeration ANNUAL INSPECTION NaturaLINE 69NT40-601 Container Refrigeration Units 62-12119...
  • Page 3 ANNUAL INSPECTION NaturaLINE 69NT40-601 Container Refrigeration Units © 2019 Carrier Corporation Printed in USA September 2019 ●...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS PURPOSE ........1 TOOLS REQUIRED .

  • Page 7: Purpose

    PURPOSE This annual maintenance manual has been written to assist owners and operators of Carrier Transicold Container equipment in obtaining the maximum operating life from the equipment. It is recommended that all units are serviced with these procedures annually to obtain maximum operating time from the equipment.

  • Page 8: Tools Required

    Unplug the unit from main power. d. Apply a locking device to ensure the system cannot be plugged in during the maintenance procedure. 2. Carrier Transicold recommends wearing the appropriate safety equipment such as safety glasses, gloves, etc. whenever working on refrigeration equipment. Personnel...

  • Page 9: Unit Nameplate

    (PID) and serial number. The Pressure Equipment Directive (PED) Compliance Label is located near the nameplate. Unit Nameplate • Model #, PID, Serial # Carrier Transicold Pte Ltd 251 Jalan Ahmad Ibrahim Singapore 629146 Model Number 69NT40-601-xxx Date of Manufacture: Refrig: 10.0 LB...

  • Page 10: Rear Of Unit

    REAR OF UNIT 1. Remove the back access panel on the back of the unit to gain access to the evaporator components. 2. Evaporator Coil. Refer to Figure a. Clean with low pressure water. If the evaporator coil is noted to have green patina or white powder, it is recommended to wash the coil with cleaner P/N NU4371-88.
  • Page 11 c. Check for excessive corrosion on the stator. If cleaning is needed, refer to step 2a. 4. Evaporator Fan Blade. Refer to Figure a. Check for cracking or wear. Replace the fan blade as necessary. Figure 2 Evaporator Motor and Fan Blade 5.
  • Page 12 7. Defrost Drain. a. Inspect the drain cup and drain gutters. Refer to Figure Repair as required. Figure 4 Defrost Drain Cup and Gutters b. Clean the defrost drain lines using a low pressure water hose to flush debris contained in the drain. Check that the water is Figure running freely from the outside drain.
  • Page 13 Figure 6 Electronic Expansion Valve (EEV) 9. Evaporator Temperature Sensor (ETS). Refer to Figure a. Ensure that the wire tie is in position and insulation is in place. Figure 7 Evaporator Temperature Sensor (ETS) Wire Tie 1 in. (25.4 cm) 62-12119...
  • Page 14 10. Heaters and Heater Brackets. Refer to Figure a. Check for damage. b. Ensure that the heaters are properly positioned in the retain- ing clips. c. Inspect wiring for correct connections, and repair if required. Refer to the TechLINE June 2014 issue for heater Megaohm testing.
  • Page 15 12. USDA and Interior Communication Sockets. Refer to Figure a. Check that connectors are clean, dry and have the caps fitted. b. If corroded or cap is missing, repair or replace as needed. Figure 10 USDA 13. Air Flow. a. Check channels or "T" bars on the floor and under the lower air baffle / kick plate for cleanliness.

  • Page 16: Front Of Unit

    FRONT OF UNIT Refer to the Warnings and Notes section in this manual before proceeding with these instructions. 12 11 10 1. Ambient Temperature Sensor 11. Flash Tank (AMBS) 12. Service Fitting, Discharge 2. Unloader Solenoid Valve (USV) 13. Discharge Pressure Trans- 3.
  • Page 17 14. Remove or Open Exterior Panels. 15. Leak Checking. a. Examine the unit for traces of oil residue. Leak check the unit using an electronic leak detector. Leaks are typically found as a dirty / oily residue near the leak location. All mechanical joints to be leak tested can be found in the Appendix.
  • Page 18 18. Gas Cooler Motor and Fan Blade. Refer to Figure a. Check for cracking or wear on the fan blade. Replace as nec- essary. b. Check for proper fan positioning in the shroud. See Figure 12 (a) for reference. c. Slowly spin the fan blade, feeling for any bearing drag. Replace the motor if the fan is unable to freely rotate.
  • Page 19 c. Clean the coil using a low pressure water hose. The preferred wash direction is inside to outside. Refer to Figure 13. The direction is opposite to air flow direction. NOTE Static application of container units may require more fre- quent cleaning due to subjected environment conditions.
  • Page 20 21. Economizer and Unloader Valve (ESV / USV). Refer to Figure a. Remove the solenoid coil. b. Verify that the O-ring is seated on the valve stem. c. Press the coil onto the valve stem ensuring that it is pressed all the way down, engaging with the O-ring.
  • Page 21 23. Filter Drier. Refer to Figure a. Check for excessive corrosion or physical damage of the filter drier and replace as required. Figure 17 Filter Drier 24. Water-Cooled Condenser (Optional). Refer to Figure a. Inspect assembly for excessive corrosion or physical dam- age.
  • Page 22 25. Power Cables. a. Check that the cable is securely attached to the unit and the clamp is in position. See Figure Figure 19 Cable Clamp b. Inspect the cable for any physical damage. c. Replace the cable if more than one repair splice is found. d.
  • Page 23 g. Carry out a Megohm test from the power plug ground pin to the ground plate in the control box. The Megohm reading of this test should be zero. h. Carry out a Megohm test from each power plug pin to ground. The Megohm reading for the power plug ground pin should be zero and infinity for the other power plug pins.
  • Page 24 27. Interrogation Sockets. Refer to Figure a. Ensure ports are secure and free from damage and corrosion. b. Make sure the caps are properly tethered to the unit. c. Repair or replace if damaged or missing. Figure 22 Interrogation Sockets 28.

  • Page 25: Operational Inspection

    OPERATIONAL INSPECTION Warnings and Notes Refer to on page 2 before proceeding. 30. Remove the Lock Out / Tag Out device and plug the unit in to power supply. 31. Install the manifold gauge set. 32. Turn unit power on and change the setpoint to 32°F (0°C). 33.
  • Page 26 Figure 24 Evaporator Fan Rotation c. Check the VFD fan by placing a piece of paper over the fan grille to verify it pulls in. Refer to Figure Figure 25 VFD Fan Rotation Figure 36. Enter a DataCORDER Trip Start. Refer to a.
  • Page 27 37. Check the discharge and suction pressures on the manifold gauge set. Refer to the Appendix for R744 Pressure- Temperature Chart. 38. Ensure that User Selectable ML3 codes 27-37 are set to the customer specific default values to be advised by the customer.
  • Page 28 b. Press the ENTER key and hold for five seconds. After the ENTER key has been pressed, the display reads “CAL” (for calibration). 43. Press the ALT MODE key and hold for five seconds. After the calibration has been completed, Cd45 will display 0 CMH / CFM.

  • Page 29: Appendix

    APPENDIX Table 1–1 Torque Values Torque Torque Component (Ft. Lbs.) (Nm) Pressure Relief Low Side PRV 65-71 88-96 Valves Flash Tank PRV 22-24 30-32 High Side PRV 38-42 52-57 Pressure Suction Pressure Transducer 19-21 26-28 Transducers (SPT) Flash Tank Pressure 10-11 Transducer (FTPT) Discharge Pressure...
  • Page 30 Table 1–3 Sensor Resistance - CPDS °C °F OHMS °C °F OHMS 849,822 64.4 136,705 -36.4 834,450 68.0 124,876 -32.8 819,079 71.6 114,101 -29.2 803,707 75.2 104,352 -25.6 788,336 100,000 -22.0 772,964 78.8 95,585 -18.4 757,593 82.4 87,619 -14.8 742,221 83.0 80,447 -11.2...
  • Page 31 NaturaLINE Unit Inspection Manual Reference: T-349 & T-370 Customer Unit Serial # Container # Port / Location of Inspection Person Inspecting Unit Date & Time of Inspection Compressor Run Time (hrs) Software Revision Comments Perform Auto 2 PTI Collect and provide download along with Active Alarms (If Any) actions required for it...
  • Page 32 Location Comments Front of Unit Compressor Flash Tank Gas Cooler Oil Residue (If Any) Corrosion (If Any) 62-12119...
  • Page 33 Fin Combs 2 CO2 Refrigerant Leak Detector 2 Floor Drains 9 CO2 Refrigeration Gauge Set 2 Frame 18 Container Carrier Transicold website 1 Corrosion 11 Gas Cooler Coil 12 Gas Cooler Fan Blade 12 DataCORDER Trip Start 20 Gas Cooler Fan Motor 12...
  • Page 34 INDEX Stator 5 Instructional Labels and Placards 17 Interrogation Sockets 18 Tools Required 2 Torque Setting 11 Torque Values 23 Kick Plate 9 Torque Wrench and Sockets 2 Trip Start 20 Leak Checking 11 Lock Out / Tag Out 2 Unit Nameplate 3 Upper Vent Position Sensor calibra- tion 21...
  • Page 36 A part of UTC Building & Industrial Systems, a business unit of United Technologies Corporation. Stock symbol UTX. Carrier Transicold P.O. Box 4805 Syracuse, NY 13221 USA www.carrier.transicold.com...