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TRANSICOLD 69NT40-454
Carrier TRANSICOLD 69NT40-454 Manuals
Manuals and User Guides for Carrier TRANSICOLD 69NT40-454. We have
1
Carrier TRANSICOLD 69NT40-454 manual available for free PDF download: Operation And Service
Carrier TRANSICOLD 69NT40-454 Operation And Service (182 pages)
Brand:
Carrier
| Category:
Refrigerator
| Size: 7.28 MB
Table of Contents
Table of Contents
5
Description
9
Introduction
9
Water-Cooled Condenser/Receiver Section
13
Suction Solenoid Valves
13
General Description
15
Refrigeration System Data
15
Electrical Data
16
Voltage Switch and Power Transformer (Optional)
16
Fresh Air Makeup Vent
17
Safety and Protective Devices
18
Refrigeration Circuit
18
Water-Cooled Condenser (Optional)
19
Water-Cooled Condenser with Water Pressure Switch
19
Water-Cooled Condenser with Condenser Fan Switch (CFS)
19
Remote Monitoring (Optional)
19
Remote Monitoring Plug
19
Refrigeration Circuit
19
Remote Monitoring Receptacle
20
Suction Solenoid Valve
20
Frost Formation on Compressors
20
Frost Pattern on Compressors
20
Computer Control
21
Brief Description
21
General Layout of Control Center
22
Alarms
22
Pre-Trip Inspection
22
Suction Solenoid Valves
23
Datacorder (Optional)
30
Communications
31
Setting Function Codes Without AC Power (Optional)
32
USDA Battery Module (Optional)
32
USDA Cold Treatment Procedure
33
USDA Battery Module
33
Nitrogen Feed (Optional)
34
Humidistat (Optional)
34
Sensor 1
34
Controller Set Point below
35
Controller Set Point above
36
Operation
37
Pre-Trip Inspection (before Starting)
37
Starting and Stopping Instructions
37
After Starting Inspection
37
Unit Operation
38
Cooling
38
Controller Set above
38
Heating Mode
40
Defrost
42
Troubleshooting
43
Unit will Not Start or Starts then Stops
43
Unit Runs but Has Insufficient Cooling
43
Unit Operates Long or Continuously in Cooling
43
Unit will Not Heat or Has Insufficient Heating
44
Unit will Not Terminate Heating
44
Unit will Not Defrost Properly
44
Abnormal Pressures (Cooling)
45
Abnormal Noise or Vibrations
45
Temperature Controller Malfunction
45
No Evaporator Air Flow or Restricted Air Flow
45
Expansion Valve Malfunction
46
Water-Cooled Condenser or Water Pressure Switch Malfunction
46
Step-Up Power Transformer Malfunction
46
Service
47
Removing the Refrigerant
47
Refrigerant Leak Checking
47
Evacuation and Dehydration
47
General
47
Preparation
47
Procedure
47
Vacuum Pump Connections
47
Adding or Checking the Refrigerant Charge
48
Checking the Refrigerant Charge
48
Adding Refrigerant to System (Full Charge)
48
Adding Refrigerant to System (Partial Charge)
48
Replacing the Compressor
49
Oil Pump
49
Compressor Disassembly
50
Exploded View of Valve Plate
50
Bottom Plate Removed
50
Vane Oil Pump and Bearing Head
51
Gear Oil Pump and Bearing Head
51
Motor End Cover
51
Compressor Reassembly
52
Crankshaft Assembly
52
Removing Equalizing Tube and Lock Screw Assembly
52
Terminal Mounting Assembly
52
Checking the Compressor Oil Level
53
Piston Rings
53
Checking or Replacing Moisture-Liquid Indicator
54
Checking or Replacing the Filter-Drier
54
Checking or Replacing High Pressure Switch
55
Replacing High Pressure Switch
55
Checking High Pressure Switch
55
Servicing Quench Solenoid Valve (QV)
55
Replacing the Evaporator Coil and Heater Assembly
55
Typical Setup for Testing High Pressure Switch
55
Replacing the Evaporator Fan and Motor Assembly
56
Servicing the Evaporator Coil Heaters
56
Condenser Coil
56
Condenser Fan and Motor Assembly
56
Evaporator Fan Locating Dimension
56
Recording Thermometer (Partlow)
57
Partlow Recording Thermometer
57
Recording Thermometer (Saginomiya)
58
Refrigeration Unit
58
Rust Prevention and Maintenance of Painted Surfaces
59
Servicing the Water-Cooled Condenser
59
Saginomiya Recording Thermometer
59
Water-Cooled Condenser Cleaning
60
Checkout Procedure for Optional Power Transformer
61
Temperature Controller and Recorder Sensor Checkout Procedure
61
Replacing Temperature Sensor
61
Sensor and Cable Assembly
61
Servicing Suction Solenoid Valve (69NT40 ONLY)
62
Servicing the Modulating Solenoid Valve
63
Modulating Solenoid Valve
63
Thermostatic Expansion Valve
64
Evaporator Fan Motor Capacitors
65
Humidistat
65
Microprocessor Controller
66
Refrigeration Unit
66
Control Box
66
Microprocessor Control Panel
67
Microprocessor Control Box
67
Defrost
72
Compressor
72
Electrical Wiring Schematic (Models 69NT40-444 & 444-2)
73
Electrical Wiring Diagram (Models 69NT40-444 & 444-2)
76
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