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69NT40-511-359
Carrier 69NT40-511-359 Manuals
Manuals and User Guides for Carrier 69NT40-511-359. We have
2
Carrier 69NT40-511-359 manuals available for free PDF download: Operation And Service, Operation & Service Manual
Carrier 69NT40-511-359 Operation & Service Manual (116 pages)
Brand:
Carrier
| Category:
Refrigerator
| Size: 2.24 MB
Table of Contents
Table of Contents
8
Description
17
General Description
17
Refrigeration Unit -- Front Section
17
Fresh Air Makeup Vent
17
Figure 2-1 Refrigeration Unit -- Front Section
17
Evaporator Section
18
Figure 2-2 Evaporator Section
18
Compressor Section
19
Figure 2-3 Compressor Section
19
Air Cooled Condenser Section
20
Figure 2-4 Condenser Section
20
Water-Cooled Condenser Section
21
Figure 2-5 Water-Cooled Condenser Section
21
Control Box Section
22
Communications Interface Module
22
Figure 2-6 Control Box Section
22
Refrigeration System Data
23
Electrical Data
24
Safety and Protective Devices
25
Table 2-1 Safety and Protective Devices
25
Refrigeration Circuit
26
Figure 2-7 Refrigeration Circuit Schematic
27
Arctic Option
28
Figure 2-8 Arctic Option
28
Microprocessor
29
Temperature Control Microprocessor System
29
Key Pad
29
Figure 3- 1 Temperature Control System
29
Display Module
30
Figure 3- 2 Key Pad
30
Figure 3- 3 Display Module
30
Table 3-1 Key Pad Function
30
Controller
31
Controller Software
31
Configuration Software (Configuration Variables)
31
Operational Software (Function Codes)
31
Modes of Operation
31
Figure 3- 4 Micro-Link 2I Controller
31
Temperature Control -- Perishable Mode
32
Evaporator Fan Operation
32
Defrost Interval
32
Failure Action
32
Generator Protection
32
Condenser Pressure Control
32
Arctic Mode
32
Perishable Mode -- Conventional
32
Perishable Mode -- Economy
33
Perishable Mode -- Dehumidification
33
Perishable, Dehumidification -- Bulb Mode
33
Temperature Control -- Frozen Mode
33
Frozen Mode -- Conventional
34
Frozen Mode -- Economy
34
Controller Alarms
34
Unit Pre-Trip Diagnostics
34
Datacorder
35
Description
35
Datacorder Software
35
Sensor Configuration (Dcf02)
36
Table 3-2 Datacorder Configuration Variables
36
Table 3-3 Datacorder Standard Configurations
36
Figure 3- 5 Standard Configuration Report
37
Logging Interval (Dcf03)
38
Thermistor Format (Dcf04)
38
Sampling Type (Dcf05 & Dcf06)
38
Alarm Configuration (Dcf07 -- Dcf10)
38
Datacorder Power-Up
38
Pre-Trip Data Recording
38
Datacorder Communications
38
Figure 3- 6 Data Reader
38
USDA Cold Treatment
39
USDA Cold Treatment Procedure
39
Datacorder Alarms
40
Table 3-4 Controller Configuration Variables
41
Table 3-5 Controller Function Codes (Sheet 1 of 4)
42
Table 3-6 Controller Alarm Indications (Sheet 1 of 3)
46
Table 3-7 Controller Pre-Trip Test Codes (Sheet 1 of 4)
49
Table 3-7 Controller Pre-Trip Test Codes (Sheet 2 of 4)
50
Table 3-7 Temperature Controller Pre-Trip Test Codes (Sheet 3 of 4)
51
Table 3-7 Controller Pre-Trip Test Codes (Sheet 4 of 4)
52
Table 3-8 Datacorder Function Code Assignments
53
Table 3-9 Datacorder Pre-Trip Result Records
54
Table 3-10 Datacorder Alarm Indications
55
Operation
56
INSPECTION (before Starting)
56
Connect Power
56
Connection to 380/460 Vac Power
56
Connection To190/230 Vac Power
56
Adjust Fresh Air Makeup Vent
56
Upper Fresh Air Makeup Vent
56
Figure 4-1 Autotransformer
56
Connect Water-Cooled Condenser
57
Water--Cooled Condenser with Water Pressure Switch
57
Water-Cooled Condenser with Condenser Fan Switch
57
Connect Remote Monitoring Receptacle
57
Starting and Stopping Instructions
57
Starting the Unit
57
Stopping the Unit
57
Start--Up Inspection
57
Physical Inspection
57
Check Controller Function Codes
57
Complete Inspection
58
Pre-Trip Diagnosis
58
Observe Unit Operation
59
Crankcase Heater
59
Probe Check
59
Sequence of Operation
59
Figure 4-3 Controller Operation -- Perishable Mode
60
Sequence of Operation -- Perishable Mode Cooling
61
Sequence of Operation
61
Perishable Mode Heating
61
Sequence of Operation -- Frozen Mode Cooling
61
Figure 4-5 Perishable Mode Cooling
61
Figure 4-6 Perishable Mode Heating
61
Sequence of Operation -- Defrost
62
Figure 4-7 Frozen Mode
62
Figure 4-8 Defrost
62
Troubleshooting
64
Unit will Not Start or Starts then Stops
64
Unit Operates Long or Continuously in Cooling
64
Unit Runs but Has Insufficient Cooling
65
Unit will Not Heat or Has Insufficient Heating
65
Unit will Not Terminate Heating
65
Unit will Not Defrost Properly
65
Abnormal Pressures (Cooling)
66
Abnormal Noise or Vibrations
66
Controller Malfunction
66
Evaporator Air Flow or Restricted Air Flow
67
Thermostatic Expansion Valve Malfunction
67
Autotransformer Malfunction
67
Water-Cooled Condenser or Water Pressure Switch
67
Service
68
Section Layout
68
Service Valves
68
Manifold Gauge Set
68
Figure 6-1 Service Valve
68
Figure 6-2 Manifold Gauge Set
68
Pumping the Unit down
69
Figure 6-3 R-134A Manifold Gauge/Hose Set
69
Figure 6-4. Refrigeration System Serviceconnections
69
Refrigerant Leak Checking
70
Evacuation and Dehydration
70
General
70
Preparation
70
Procedure - Complete System
70
Procedure - Partial System
71
Refrigerant Charge
71
Checking the Refrigerant Charge
71
Adding Refrigerant to System (Full Charge)
71
Adding Refrigerant to System (Partial Charge)
71
Figure 6-5. Compressor Service Connections
71
Compressor
72
Removal and Replacement of Compressor
72
Compressor Disassembly
72
Figure 6-6 Compressor
72
Figure 6-7 Exploded View of Valve Plate
73
Figure 6-8 Bottom Plate Removed
73
Figure 6-9 Oil Pump and Bearing Head
74
Figure 6-10 Low Profile Oil Pump
74
Figure 6-11 Motor End Cover
74
Preparation
75
Figure 6-12 Equalizing Tube and Lock Screw Assembly
75
Figure 6-13 Crankshaft Assembly
75
Figure 6-14 Suction Valve & Positioning Springs
75
Figure 6-15 Piston Ring
75
Installing the Components
76
High Pressure Switch
77
Replacing High Pressure Switch
77
Checking High Pressure Switch
77
Condenser Coil
77
Condenser Fan and Motor Assembly
77
Figure 6-16 High Pressure Switch Testing
77
Water Cooled Condenser Cleaning
78
Filter-Drier
79
Figure 6-18 Water Cooled Condenser Cleaning - Gravity Circulation
79
Checking Superheat
80
Hermetic Valve Replacement
80
Figure 6-19 Thermostatic Expansion Valve Bulb
80
Figure 6-20 Hermetic Thermostatic Expansion Valve
80
Semi--Hermetic Valve Replacement
81
Figure 6-21 Hermetic Thermostatic Expansion Valve Brazing Procedure
81
Evaporator Coil and Heater Assembly
82
Evaporator Coil Replacement
82
Evaporator Heater Replacement
82
Evaporator Fan and Motor Assembly
82
Replacing the Evaporator Fan Assembly
82
Disassemble the Evaporator Fan Assembly
82
Assemble the Evaporator Fan Assembly
82
Figure 6-23. Evaporator Fan Assembly
82
Evaporator Fan Motor Capacitors
83
When to Check for a Defective Capacitor
83
Removing the Capacitor
83
Checking the Capacitor
83
Suction Modulation Valve
83
Precheck Procedure
84
Checking the Stepper Valve
84
Figure 6-24 Suction Modulation Valve (SMV)
84
Checking the Drive Module
85
Checking the Controller
85
Emergency Repair Procedures
85
Figure 6-25 Jumper Assembly
85
Autotransformer
86
Controller
86
Handling Controller
86
Controller Trouble-Shooting
86
Figure 6-26 Controller Section of the Control Box
86
Controller Programming Procedure
87
Removing and Installing the Controller
87
Battery Replacement
87
Temperature Sensor Service
87
Sensor Checkout Procedure
87
Sensor Replacement
88
Figure 6-27 Sensor Types
88
Figure 6-28 Sensor and Cable Splice
88
Table 6-1 Sensor Temperature/Resistance Chart
88
Sensor Re--Installation
89
Figure 6-29 Supply Sensor Positioning
89
Figure 6-30 Return Sensor Positioning
89
Figure 6-31. Electronic Partlow Temperature Recorder
91
Checking the Temperature Recorder
92
Saginomiya Temperature Recorder
94
Figure 6-32. Partlow Mechanical Temperature Recorder
94
Figure 6-33. Saginomiya Temperature Recorder
95
Maintenance of Painted Surfaces
96
Composite Control Box Repairs
96
Introduction
96
Cracks
96
Chips and Holes
96
Inserts
96
Door Hinge Inserts
96
Figure 6-34 Door Hinge Repair
96
Table 6-3 Crack, Chip & Hole Repair Kit
97
Table 6-4 Insert Repair Kit
97
Table 6-5 Drill Information
97
Figure 6-35. Insert Location
98
Figure 6-36. Communications Interface Installation
99
Table 6-6 Recommended Bolt Torque Values
99
Table 6-7 Wear Limits for Compressors
100
Table 6-8 Compressor Torque Values
101
Table 6-9 R-134A Temperature - Pressure Chart
102
Figure 6-37 R-134A Compressor Pressure and Motor Current Curves Versus Ambient Temperature
103
Electrical Wiring Schematic
105
Introduction
105
Figure 7-1 LEGEND
105
Figure 7-2 SCHEMATIC DIAGRAM -- Units with PID Numbers: NT0435, NT0566 and NT0669
106
Figure 7-3 WIRING DIAGRAM --Units with PID Numbers: NT0435, NT0566 and NT0669
107
Figure 7-4 SCHEMATIC DIAGRAM -- Units with PID Number 0712
109
Figure 7--5 WIRING DIAGRAM -- Units with PID Number 0712
110
Figure 7-7 WIRING DIAGRAM -- Units with PID Number 0881
113
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Carrier 69NT40-511-359 Operation And Service (121 pages)
Container Refrigeration Units
Brand:
Carrier
| Category:
Refrigerator
| Size: 2.46 MB
Table of Contents
Table of Contents
8
Description
18
General Description
18
Refrigeration Unit -- Front Section
18
Fresh Air Makeup Vent
18
Figure 2-1 Refrigeration Unit -- Front Section
18
Evaporator Section
19
Figure 2-2 Evaporator Section
19
Compressor Section
20
Figure 2-3 Compressor Section
20
Air Cooled Condenser Section
21
Figure 2-4 Condenser Section
21
Water-Cooled Condenser Section
22
Figure 2-5 Water-Cooled Condenser Section
22
Control Box Section
23
Communications Interface Module
23
Figure 2-6 Control Box Section
23
Refrigeration System Data
24
Electrical Data
25
Safety and Protective Devices
26
Table 2-1 Safety and Protective Devices
26
Refrigeration Circuit
27
Figure 2-7 Refrigeration Circuit Schematic
28
Microprocessor
29
Temperature Control Microprocessor System
29
Key Pad
29
Figure 3- 1 Temperature Control System
29
Display Module
30
Figure 3- 2 Key Pad
30
Figure 3- 3 Display Module
30
Table 3-1 Key Pad Function
30
Controller
31
Controller Software
31
Configuration Software (Configuration Variables)
31
Operational Software (Function Codes)
31
Modes of Operation
31
Figure 3- 4 Micro-Link 2I Controller
31
Temperature Control -- Perishable Mode
32
Evaporator Fan Operation
32
Defrost Interval
32
Failure Action
32
Generator Protection
32
Condenser Pressure Control
32
Arctic Mode
32
Perishable Mode -- Conventional
32
Perishable Mode -- Economy
33
Perishable Mode -- Dehumidification
33
Perishable, Dehumidification -- Bulb Mode
33
Temperature Control -- Frozen Mode
34
Frozen Mode -- Conventional
34
Frozen Mode -- Economy
34
Controller Alarms
34
Unit Pre-Trip Diagnostics
35
Datacorder
35
Description
35
Datacorder Software
35
Sensor Configuration (Dcf02)
36
Table 3-2 Datacorder Configuration Variables
36
Table 3-3 Datacorder Standard Configurations
36
Figure 3- 5 Standard Configuration Report
37
Logging Interval (Dcf03)
38
Thermistor Format (Dcf04)
38
Sampling Type (Dcf05 & Dcf06)
38
Alarm Configuration (Dcf07 -- Dcf10)
38
Datacorder Power-Up
38
Pre-Trip Data Recording
38
Datacorder Communications
38
Figure 3- 6 Data Reader
38
USDA Cold Treatment
39
USDA Cold Treatment Procedure
39
Datacorder Alarms
39
Table 3-4 Controller Configuration Variables
40
Table 3--4 Controller Configuration Variables (Continued)
41
Table 3-5 Controller Function Codes (Sheet 1 of 4)
42
Table 3-7 Controller Pre-Trip Test Codes (Sheet 1 of 4)
49
Table 3-8 Datacorder Function Code Assignments
53
Table 3-9 Datacorder Pre-Trip Result Records
54
Table 3-10 Datacorder Alarm Indications
55
Operation
56
INSPECTION (before Starting)
56
Connect Power
56
Connection to 380/460 Vac Power
56
Connection To190/230 Vac Power
56
Adjust Fresh Air Makeup Vent
56
Upper Fresh Air Makeup Vent
56
Figure 4-1 Autotransformer
56
Fresh Air Vent Position Sensor (VPS)
57
Lower Fresh Air Makeup Vent
57
Connect Water-Cooled Condenser
57
Water--Cooled Condenser with Water Pressure Switch
57
Figure 4-2 Make up Air Flow Chart
57
Water-Cooled Condenser with Condenser Fan Switch
58
Connect Remote Monitoring Receptacle
58
Starting and Stopping Instructions
58
Starting the Unit
58
Stopping the Unit
58
Start--Up Inspection
58
Physical Inspection
58
Check Controller Function Codes
58
Start Temperature Recorder
58
Complete Inspection
58
Observe Unit Operation
59
Crankcase Heater
59
Probe Check
60
Sequence of Operation
60
Figure 4-3 Controller Operation -- Perishable Mode
60
Sequence of Operation -- Perishable Mode Cooling
61
Figure 4-5 Perishable Mode Cooling
61
Sequence of Operation -- Perishable Mode Heating
62
Sequence of Operation -- Frozen Mode Cooling
62
Sequence of Operation -- Defrost
62
Figure 4-6 Perishable Mode Heating
62
Figure 4-7 Frozen Mode
62
Figure 4-8 Defrost
63
Emergency Operation
64
Emergency Bypass Operation
64
Emergency Defrost Operation
64
Figure 6-6 Compressor
67
Figure 6-1 Service Valve
69
Figure 6-3 R-134A Manifold Gauge/Hose Set
70
Figure 6-4. Refrigeration System Service Connections
70
Figure 6-5. Compressor Service Connections
72
Figure 6-7 Exploded View of Valve Plate
74
Figure 6-8 Bottom Plate Removed
74
Figure 6-9 Oil Pump and Bearing Head
75
Figure 6-10 Low Profile Oil Pump
75
Figure 6-11 Motor End Cover
75
Figure 6-12 Equalizing Tube and Lock Screw Assembly
76
Figure 6-13 Crankshaft Assembly
76
Figure 6-14 Suction Valve & Positioning Springs
76
Figure 6-15 Piston Ring
76
Figure 6-16 High Pressure Switch Testing
78
Figure 6-18 Water Cooled Condenser Cleaning - Gravity Circulation
80
Figure 6-19 Thermostatic Expansion Valve Bulb
81
Figure 6-20 Hermetic Thermostatic Expansion Valve
81
Figure 6-21 Hermetic Thermostatic Expansion Valve Brazing Procedure
82
Figure 6-23. Evaporator Fan Assembly
83
Figure 6-24 Suction Modulation Valve (SMV)
84
Figure 6-25 Jumper Assembly
86
Figure 6-26 Controller Section of the Control Box
87
Figure 6-27 Sensor Types
89
Table 6-1 Sensor Temperature/Resistance Chart
89
Figure 6-28 Sensor and Cable Splice
90
Figure 6-29 Supply Sensor Positioning
90
Figure 6-30 Return Sensor Positioning
90
Figure 6-31. Electronic Partlow Temperature Recorder
92
Table 6-2 Temperature-Resistance Chart
93
Figure 6-32. Partlow Mechanical Temperature Recorder
95
Figure 6-33. Saginomiya Temperature Recorder
96
Figure 6-34 Door Hinge Repair
97
Table 6-3 Crack, Chip & Hole Repair Kit
98
Table 6-4 Insert Repair Kit
98
Table 6-5 Drill Information
98
Figure 6-35. Insert Location
99
Figure 6-36. Communications Interface Installation
100
Table 6-6 Recommended Bolt Torque Values
100
Table 6-7 Wear Limits for Compressors
101
Table 6-8 Compressor Torque Values
101
Table 6-9 R-134A Temperature - Pressure Chart
102
Figure 6-37 R-134A Compressor Pressure and Motor Current Curves Versus Ambient Temperature
103
Figure 7-1 LEGEND
106
Figure 7-2 SCHEMATIC DIAGRAM -- Normal Evaporator Fan Operation
107
Figure 7-3 SCHEMATIC DIAGRAM -- Single Evaporator Fan Capability
108
Figure 7-4 SCHEMATIC DIAGRAM -- Transfresh, Vent Position Sensor (VPS), Humidity and Recorders
109
Figure 7-5 WIRING DIAGRAM -- Normal Evaporator Fan Operation , Units with Dual Capacitor Evaporator Fan Motors
110
Figure 7-6 WIRING DIAGRAM -- Single Evaporator Fan Capacity , Units with Dual Capacitor Evaporator Fan Motors
112
Figure 7-7 WIRING DIAGRAM -- Normal Evaporator Fan Operation , Units with Single Capacitor Evaporator Fan Motors
114
Figure 7-8 WIRING DIAGRAM -- Single Evaporator Fan Capacity , Units with Single Capacitor Evaporator Fan Motors
116
Figure 7-9 WIRING DIAGRAM -- Electronic Partlow Temperature Recorder
118
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