Carrier TRANSICOLD 69NT40-531 Series Manuals

Manuals and User Guides for Carrier TRANSICOLD 69NT40-531 Series. We have 1 Carrier TRANSICOLD 69NT40-531 Series manual available for free PDF download: Manual

Carrier TRANSICOLD 69NT40-531 Series Manual (114 pages)

Brand: Carrier TRANSICOLD | Category: Refrigerators Parts & Accessories | Size: 2 MB

Table of Contents
12
PARAGRAPH NUMBER Page
13
Figure 2-1 Refrigeration Unit -- Front Section
19
Figure 2-2 Evaporator Section
20
Figure 2-3 Compressor Section
21
Figure 2-4 Condenser Section
22
Figure 2-5 Water-Cooled Condenser Section
23
Figure 2-6 Control Box Section
24
Table 2-1 Safety and Protective Devices
27
Figure 2-7 Refrigeration Circuit Schematic -- Standard Operation
29
Figure 2-8 Refrigeration Circuit Schematic -- Economized Operation
30
Figure 2-9 Refrigeration Circuit Schematic -- Unloaded Operation
30
Figure 3- 1 Temperature Control System
31
Figure 3- 2 Key Pad
32
Figure 3- 3 Display Module
32
Table 3-1 Key Pad Function
32
Figure 3- 4 Control and Expansion Modules
33
Table 3-2 Datacorder Configuration Variables
38
Table 3-3 Datacorder Standard Configurations
38
Figure 3- 5 Standard Configuration Download Report
39
Figure 3- 6 Data Reader
40
Table 3-4 Controller Configuration Variables
42
Table 3-5 Controller Function Codes
43
Table 3-6 Controller Alarm Indications
46
Table 3-7 Controller Pre-Trip Test Codes
50
Table 3-8 Datacorder Function Code Assignments
54
Table 3-9 Datacorder Pre-Trip Result Records
55
Table 3-10 Datacorder Alarm Indications
56
Figure 4-1 Autotransformer
58
Figure 4-2 Make up Air Flow Chart
59
Figure 4-3 Controller Operation -- Perishable Mode
62
Figure 4-5 Perishable Mode
63
Figure 4-6 Perishable Mode Heating
64
Figure 4-7 Frozen Mode
64
Figure 4-8 Defrost
65
Troubleshooting
67
Unit will Not Start or Starts then Stops
67
Unit Operates Long or Continuously in Cooling
67
Unit Runs but Has Insufficient Cooling
68
Unit will Not Heat or Has Insufficient Heating
68
Unit will Not Terminate Heating
68
Unit will Not Defrost Properly
68
Abnormal Pressures (Cooling)
69
Abnormal Noise or Vibrations
69
Controller Malfunction
70
Evaporator Air Flow or Restricted Air Flow
70
Thermostatic Expansion Valve Malfunction
70
Autotransformer Malfunction
70
Water-Cooled Condenser or Water Pressure Switch
70
Compressor Operating in Reverse
71
Abnormal Temperatures
71
Service
72
Section Layout
72
Manifold Gauge Set
72
Figure 6-1 Manifold Gauge Set
72
Figure 6-2 R-134A Manifold Gauge/Hose Set
72
Refrigeration System Service
73
Pumping down the Unit
73
Figure 6-3 Service Valve
73
Refrigerant Leak Checking
74
Refrigerant Charge
75
Figure 6-5. Standard Piping Compressor Service Connections
75
Refrigeration System Service
76
Refrigerant Recovery
76
Figure 6-6. Semi--Hermetic Piping Refrigeration System Service Connections
76
Refrigerant Leak Checking
77
4Evacuation and Dehydration
77
Refrigerant Charge
78
Adding Refrigerant to System (Partial Charge)
78
Compressor
78
Removal and Replacement of Compressor
78
Table 6-1 Compressor Kit
78
Figure 6-7 Compressor Upper Mounting
79
Figure 6-8 Compressor Lower Mounting
79
Compressor Oil Level
80
High Pressure Switch
80
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 Switch
81
Figure 6-9 High Pressure Switch Testing
81
Figure 6-11 Water Cooled Condenser Cleaning - Gravity Circulation
83
Figure 6-12 Thermostatic Expansion Valve Bulb
84
Figure 6-13 Hermetic Thermostatic Expansion Valve Brazing Procedure
85
Figure 6-14 Evaporator Expansion Valve
85
Figure 6-15 Quench & Economizer Expansion Valves
85
Figure 6-16. Unloader Solenoid Valve
87
Figure 6-17. Oil Return Solenoid Valve (ORV) and Economizer Solenoid Valve (ESV)
87
Figure 6-18. Evaporator Fan Assembly
88
Figure 6-19 Suction Modulation Valve (SMV)
89
Figure 6-20 Controller Section of the Control Box
90
Figure 6-21 Sensor Types
92
Figure 6-22 Sensor and Cable Splice
92
Table 6-2 Sensor Temperature/Resistance Chart (+/--.002%)
92
Figure 6-23 Supply Sensor Positioning
93
Figure 6-24 Return Sensor Positioning
93
Figure 6-25. Electronic Partlow Temperature Recorder
94
Table 6-3 Temperature-Resistance Chart
96
Figure 6-26. Partlow Mechanical Temperature Recorder
97
Figure 6-27. Saginomiya Temperature Recorder
98
Composite Control Box Repairs
99
Introduction
99
Cracks
99
Chips and Holes
99
Inserts
99
Door Hinge Inserts
99
Figure 6-28 Door Hinge Repair
99
Table 6-4 Crack, Chip & Hole Repair Kit
100
Table 6-5 Insert Repair Kit
100
Table 6-6 Drill Information
100
Figure 6-29. Insert Location
101
Figure 6-30. Communications Interface Installation
102
Table 6-7 Recommended Bolt Torque Values
102
Table 6-8 R-134A Temperature - Pressure Chart
103
Electrical Wiring Schematic
105
Introduction
105
Figure 7-1 LEGEND
105
Figure 7-2 SCHEMATIC DIAGRAM
106
Figure 7-3 SCHEMATIC DIAGRAM -- Temperature Recorders
107
Figure 7-4 WIRING DIAGRAM, UNITS W/SINGLE CAPACITOR EVAPORATOR FAN MOTORS
108
Figure 7-5 WIRING DIAGRAM , UNITS W/DUAL CAPACITOR EVAPORATOR FAN MOTORS
110
Figure 7-6 WIRING DIAGRAM -- Electronic Partlow Temperature Recorder
112

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Carrier TRANSICOLD 69NT40-531 Series Manuals

Carrier TRANSICOLD 69NT40-531 Series Manual (114 pages)

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