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Carrier TRANSICOLD
Refrigerator
69NT40-489
Carrier TRANSICOLD 69NT40-489 User Manual
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Model
69NT40
-
489
T
-
259
Rev
F
Downloaded
from
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engine
2
Table of Contents
Table of Contents
3
Description
8
Introduction
8
Model Chart
9
Refrigeration Unit
12
Receiver and Tubing Section
13
Control Box
14
Keypad
14
Control Box
15
Power Autotransformer Options
16
General Description
17
Refrigeration System Data
17
Compressor Model Number Significance Chart
17
Electrical Data
18
Voltage Switch (Optional) and Power Autotransformer (Optional)
18
Refrigeration Circuit
19
Refrigeration Circuit
20
Safety and Protective Devices
21
Fresh Air Makeup Vent
21
Remote Monitoring (Optional)
22
Suction Solenoid Valve
22
Water-Cooled Condenser (Optional)
22
Micro-Link 2 Controller Module
23
Brief Description
23
Controller Programming (Memory) Cards
23
Configuration Variables
24
General Layout of the Controller Section
25
Controller Temperature Control
26
Display Module
26
5_C (+23_F) Optionally
26
Controller Function Codes
28
Figure
29
Controller Function Code Assignments
29
Controller Alarm Indications
32
Pre-Trip Diagnostics
34
Pre-Trip
35
Pre-Trip Test Codes
35
Pre-Trip Mode
36
Datacorder Module (Optional)
39
Brief Description
39
Datacorder Module
39
Datacorder Programming (Memory) Cards
40
Functions
40
Status Led's
42
Datacorder Function Codes
42
Datacorder Function Code Assignments
43
Usda/Message Trip Comment
44
USDA Recording
44
Datacorder Alarm Indications
44
Datacorder Alarm Configurations
44
Pre-Trip Data Recording
45
USDA Cold Treatment Procedure
46
Humidity Control (Optional)
47
Nitrogen Feed (Optional)
47
Standard Configuration Report Sample
48
Controller Set Point below
49
Controller Set Point above
49
Operation
50
Pre-Trip Inspection (before Starting)
50
Starting and Stopping Instructions
50
After Starting Inspection
50
Unit Operation
50
Crankcase Heater (Optional)
50
Cooling
50
5_C (+23_F) Optionally
52
Heating Mode
53
Defrost
54
Economy
55
Economy Mode
55
Defrost
56
Electrical Control Positions
56
Troubleshooting
57
Unit will Not Start or Starts then Stops
57
Unit Runs but Has Insufficient Cooling
57
Unit Operates Long or Continuously in Cooling
57
Unit will Not Heat or Has Insufficient Heating
58
Unit will Not Terminate Heating
58
Unit will Not Defrost Properly
58
Abnormal Pressures (Cooling)
59
Abnormal Noise or Vibrations
59
Temperature Controller Malfunction
59
No Evaporator Air Flow or Restricted Air Flow
59
Thermostatic Expansion Valve Malfunction
60
Power Autotransformer Malfunction
60
Evaporator Motor Transformer Malfunction
60
Water-Cooled Condenser or Water Pressure Switch Malfunction
60
Service
61
Manifold Gauge Set
61
Suction and Discharge Service Valves
63
Pumping the Unit down
63
Refrigerant Leak Checking
63
Evacuation and Dehydration
63
General
63
Preparation
63
Suction or Discharge Service Valve
63
Procedure
64
Refrigerant Charge
64
Checking the Refrigerant Charge
64
Adding Refrigerant to System (Full Charge)
64
Adding Refrigerant to System (Partial Charge)
64
Compressor
66
Vacuum Pump Connections
66
Oil Pump
67
Compressor Disassembly
68
Exploded View of Valve Plate
68
Bottom Plate Removed
68
Oil Pump and Bearing Head
69
Motor End Cover
69
Crankshaft Assembly
69
Compressor Reassembly
70
Removing Equalizing Tube and Lock Screw Assembly
70
Terminal Mounting Assembly
70
Piston Rings
70
Compressor Oil Level
71
Compressor Pump End View
71
Moisture-Liquid Indicator
72
Filter-Drier
72
High Pressure Switch
73
Replacing High Pressure Switch
73
Checking High Pressure Switch
73
Evaporator Coil and Heater Assembly
73
Evaporator Fan and Motor Assembly
73
Typical Setup for Testing High Pressure Switch
73
Evaporator Coil Heaters
74
Condenser Coil
74
Condenser Fan and Motor Assembly
74
Recording Thermometer (Partlow)
74
Evaporator Fan Locating Dimension
74
Refrigeration Unit
75
Partlow Recording Thermometer
75
Recording Thermometer (Saginomiya)
76
Maintenance of Painted Surfaces
76
Saginomiya Recording Thermometer
76
Power Autotransformer (Optional)
77
Sensor Checkout Procedure (AMBS, DTS, RRS, RTS, SRS & STS)
77
Checking Sensor (RRS, RTS, SRS or STS)
77
Replacing Sensor (RRS, RTS, SRS or STS)
77
Sensor (RRS, RTS, SRS & STS)
77
Checking Sensor (AMBS or DTS)
78
Replacing Sensor (AMBS or DTS)
78
Suction Solenoid Valve
78
Sensor (AMBS or DTS)
78
Sensor and Wire Assembly (AMBS or DTS)
78
Suction Modulation Valve
79
Thermostatic Expansion Valve
80
Evaporator Fan Motor Capacitors (Optional)
81
Thermostatic Expansion Valve Bulb
81
Controller and Datacorder
82
Controller Side of the Control Box
82
Controller Programming Procedure
83
Datacorder Programming Procedure
84
Controller Trouble-Shooting
84
Water-Cooled Condenser
85
Water-Cooled Condenser Cleaning
86
Temperature-Resistance Chart
87
Partlow Bulb Temperature-Resistance Chart
87
Recommended Bolt Torque Values
87
Wear Limits for Compressors
88
Compressor Torque Values
89
R-134A Compressor Pressure
91
Electrical Wiring Schematic and Diagrams
92
Introduction
92
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Carrier TRANSICOLD 69NT40-489 Specifications
General
Brand
Carrier TRANSICOLD
Model
69NT40-489
Category
Refrigerator
Language
English
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