Carrier TRANSICOLD 69NT40-531 Series User Manual

Name: Carrier TRANSICOLD 69NT40-531 Series
Brand: Carrier TRANSICOLD
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114 pages

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T-292 Rev C Change 03/05

Carrier

Transicold

Container

Refrigeration

Operation

& Service

Models

69NT40-531-001 to 199

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Table of Contents12
PARAGRAPH NUMBER Page13
Figure 2-1 Refrigeration Unit -- Front Section19
Figure 2-2 Evaporator Section20
Figure 2-3 Compressor Section21
Figure 2-4 Condenser Section22
Figure 2-5 Water-Cooled Condenser Section23
Figure 2-6 Control Box Section24
Table 2-1 Safety and Protective Devices27
Figure 2-7 Refrigeration Circuit Schematic -- Standard Operation29
Figure 2-8 Refrigeration Circuit Schematic -- Economized Operation30
Figure 2-9 Refrigeration Circuit Schematic -- Unloaded Operation30
Figure 3- 1 Temperature Control System31
Figure 3- 2 Key Pad32
Figure 3- 3 Display Module32
Table 3-1 Key Pad Function32
Figure 3- 4 Control and Expansion Modules33
Table 3-2 Datacorder Configuration Variables38
Table 3-3 Datacorder Standard Configurations38
Figure 3- 5 Standard Configuration Download Report39
Figure 3- 6 Data Reader40
Table 3-4 Controller Configuration Variables42
Table 3-5 Controller Function Codes43
Table 3-6 Controller Alarm Indications46
Table 3-7 Controller Pre-Trip Test Codes50
Table 3-8 Datacorder Function Code Assignments54
Table 3-9 Datacorder Pre-Trip Result Records55
Table 3-10 Datacorder Alarm Indications56
Figure 4-1 Autotransformer58
Figure 4-2 Make up Air Flow Chart59
Figure 4-3 Controller Operation -- Perishable Mode62
Figure 4-5 Perishable Mode63
Figure 4-6 Perishable Mode Heating64
Figure 4-7 Frozen Mode64
Figure 4-8 Defrost65
Troubleshooting67
Unit will Not Start or Starts then Stops67
Unit Operates Long or Continuously in Cooling67
Unit Runs but Has Insufficient Cooling68
Unit will Not Heat or Has Insufficient Heating68
Unit will Not Terminate Heating68
Unit will Not Defrost Properly68
Abnormal Pressures (Cooling)69
Abnormal Noise or Vibrations69
Controller Malfunction70
Evaporator Air Flow or Restricted Air Flow70
Thermostatic Expansion Valve Malfunction70
Autotransformer Malfunction70
Water-Cooled Condenser or Water Pressure Switch70
Compressor Operating in Reverse71
Abnormal Temperatures71
Service72
Section Layout72
Manifold Gauge Set72
Figure 6-1 Manifold Gauge Set72
Figure 6-2 R-134A Manifold Gauge/Hose Set72
Refrigeration System Service73
Pumping down the Unit73
Figure 6-3 Service Valve73
Refrigerant Leak Checking74
Refrigerant Charge75
Figure 6-5. Standard Piping Compressor Service Connections75
Refrigeration System Service76
Refrigerant Recovery76
Figure 6-6. Semi--Hermetic Piping Refrigeration System Service Connections76
Refrigerant Leak Checking77
4Evacuation and Dehydration77
Refrigerant Charge78
Adding Refrigerant to System (Partial Charge)78
Compressor78
Removal and Replacement of Compressor78
Table 6-1 Compressor Kit78
Figure 6-7 Compressor Upper Mounting79
Figure 6-8 Compressor Lower Mounting79
Compressor Oil Level80
High Pressure Switch80
Replacing High Pressure Switch--Units with Standard Piping (with Service Valves)80
Replacing High Pressure Switch--Units with Semi--Hermetic Piping(Without Service Valves)81
Checking High Pressure Switch81
Figure 6-9 High Pressure Switch Testing81
Figure 6-11 Water Cooled Condenser Cleaning - Gravity Circulation83
Figure 6-12 Thermostatic Expansion Valve Bulb84
Figure 6-13 Hermetic Thermostatic Expansion Valve Brazing Procedure85
Figure 6-14 Evaporator Expansion Valve85
Figure 6-15 Quench & Economizer Expansion Valves85
Figure 6-16. Unloader Solenoid Valve87
Figure 6-17. Oil Return Solenoid Valve (ORV) and Economizer Solenoid Valve (ESV)87
Figure 6-18. Evaporator Fan Assembly88
Figure 6-19 Suction Modulation Valve (SMV)89
Figure 6-20 Controller Section of the Control Box90
Figure 6-21 Sensor Types92
Figure 6-22 Sensor and Cable Splice92
Table 6-2 Sensor Temperature/Resistance Chart (+/--.002%)92
Figure 6-23 Supply Sensor Positioning93
Figure 6-24 Return Sensor Positioning93
Figure 6-25. Electronic Partlow Temperature Recorder94
Table 6-3 Temperature-Resistance Chart96
Figure 6-26. Partlow Mechanical Temperature Recorder97
Figure 6-27. Saginomiya Temperature Recorder98
Composite Control Box Repairs99
Introduction99
Cracks99
Chips and Holes99
Inserts99
Door Hinge Inserts99
Figure 6-28 Door Hinge Repair99
Table 6-4 Crack, Chip & Hole Repair Kit100
Table 6-5 Insert Repair Kit100
Table 6-6 Drill Information100
Figure 6-29. Insert Location101
Figure 6-30. Communications Interface Installation102
Table 6-7 Recommended Bolt Torque Values102
Table 6-8 R-134A Temperature - Pressure Chart103
Electrical Wiring Schematic105
Introduction105
Figure 7-1 LEGEND105
Figure 7-2 SCHEMATIC DIAGRAM106
Figure 7-3 SCHEMATIC DIAGRAM -- Temperature Recorders107
Figure 7-4 WIRING DIAGRAM, UNITS W/SINGLE CAPACITOR EVAPORATOR FAN MOTORS108
Figure 7-5 WIRING DIAGRAM , UNITS W/DUAL CAPACITOR EVAPORATOR FAN MOTORS110
Figure 7-6 WIRING DIAGRAM -- Electronic Partlow Temperature Recorder112

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Carrier TRANSICOLD 69NT40-531 Series Specifications

General

Brand	Carrier TRANSICOLD
Model	69NT40-531 Series
Category	Refrigerators Parts & Accessories
Language	English

Carrier TRANSICOLD 69NT40-531 Series User Manual

Table of Contents

Questions and Answers:

Carrier TRANSICOLD 69NT40-531 Series Specifications