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Streamline Scroll 69NT20-531-300
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Manuals and User Guides for Carrier Streamline Scroll 69NT20-531-300. We have
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Carrier Streamline Scroll 69NT20-531-300 manual available for free PDF download: Operation & Service Manual
Carrier Streamline Scroll 69NT20-531-300 Operation & Service Manual (93 pages)
Carrier Container Refrigeration Operation & Service
Brand:
Carrier
| Category:
Refrigerator
| Size: 2 MB
Table of Contents
General Safety Notices
3
Safety Summary
3
First Aid
3
Operating Precautions
3
Maintenance Precautions
3
Unit Label Identification
3
Specific Warning and Caution Statements
3
Table of Contents
6
Description
13
Introduction
13
Configuration Identification
13
Option Descriptions
13
Battery
13
Dehumidification
13
Control Box
13
Pressure Readout
13
Interrogator
13
Remote Monitoring
13
Volt Cable
14
Cable Restraint
14
Upper Air (Fresh Air Make Up)
14
Evaporator
14
Evaporator Fan Operation
14
Labels
14
Plate Set
14
Controller
14
Stepper Drive
14
Condenser Grille
14
Figure Number
15
Description
15
General Description
15
Refrigeration Unit - - Front Section
15
Fresh Air Makeup Vent
15
Figure 2-1 Refrigeration Unit - - Front Section
15
Evaporator Section
16
Figure 2-2 Evaporator Section
16
Compressor Section
17
Figure 2-3 Compressor Section
17
Air Cooled Condenser Section
18
Figure 2-4 Condenser Section
18
Control Box Section
19
Communications Interface Module
19
Figure 2-5 Control Box Section
19
Refrigeration System Data
20
Electrical Data
21
Table Number
22
Safety and Protective Devices
22
Table 2-1 Safety and Protective Devices
22
Device Setting
22
Refrigeration Circuit
23
Standard Operation
23
Economized Operation
23
Unloaded Operation
23
Figure 2-6 Refrigeration Circuit Schematic - - Standard Operation
24
Figure 2-7 Refrigeration Circuit Schematic - - Economized Operation
25
Figure 2-8 Refrigeration Circuit Schematic - - Unloaded Operation
25
Microprocessor
26
Temperature Control Microprocessor System
26
Key Pad
26
Figure 3- 1 Temperature Control System
26
Display Module
27
Figure 3- 3 Display Module
27
Figure 3- 2 Key Pad
27
Table 3-1 Key Pad Function
27
Controller
28
Controller Software
28
Configuration Software (Configuration Variables)
28
Figure 3- 4 Control and Expansion Modules
28
Operational Software (Function Codes)
29
Modes of Operation
29
Temperature Control - - Perishable Mode
29
Defrost Interval
29
Failure Action
29
Generator Protection
29
Compressor High Temperature, Low Pressure Protection
29
Perishable Mode - - Conventional
29
Perishable Mode - - Economy
30
Perishable Mode - - Dehumidification
30
Perishable, Dehumidification - - Bulb Mode
30
Temperature Control - - Frozen Mode
31
Frozen Mode - - Conventional
31
Controller Alarms
31
Unit Pre-Trip Diagnostics
32
Datacorder
32
Description
32
Datacorder Software
32
Sensor Configuration (Dcf02)
33
Table 3-2 Datacorder Configuration Variables
33
Table 3-3 Datacorder Standard Configurations
33
Figure 3- 5 Standard Configuration Download Report
34
Logging Interval (Dcf03)
35
Thermistor Format (Dcf04)
35
Sampling Type (Dcf05 & Dcf06)
35
Alarm Configuration (Dcf07 - - Dcf10)
35
Datacorder Power-Up
35
Pre-Trip Data Recording
35
Datacorder Communications
35
USDA Cold Treatment
36
USDA Cold Treatment Procedure
36
Figure 3- 6 Data Reader
36
Datacorder Alarms
37
ISO Trip Header
37
Table 3-4 Controller Configuration Variables
38
Table 3-5 Controller Function Codes
40
Table 3-6 Controller Alarm Indications
42
Table 3-7 Controller Pre-Trip Test Codes
46
Table 3-8 Datacorder Function Code Assignments
50
Table 3-9 Datacorder Pre-Trip Result Records
51
Table 3-10 Datacorder Alarm Indications
52
Operation
53
INSPECTION (before Starting)
53
Connect Power
53
Connection to 380/460 Vac Power
53
Adjust Fresh Air Makeup Vent
53
Upper Fresh Air Makeup Vent
53
Figure 4-1 Make up Air Flow Chart
53
Connect Remote Monitoring Receptacle
54
Starting and Stopping Instructions
54
Starting the Unit
54
Stopping the Unit
54
Start- -Up Inspection
54
Physical Inspection
54
Check Controller Function Codes
54
Complete Inspection
54
Pre-Trip Diagnosis
54
Observe Unit Operation
55
Probe Check
55
Sequence of Operation
56
Figure 4-2 Controller Operation - - Perishable Mode
56
Figure 4-3 Controller Operation - - Frozen Mode
57
Figure 4-4 Perishable Mode
57
Sequence of Operation - - Compressor Phase Sequence
57
Sequence of Operation - - Perishable Mode Cooling
57
Figure 4-5 Perishable Mode Heating
58
Figure 4-6 Frozen Mode
58
Perishable Mode Heating
58
Sequence of Operation
58
Sequence of Operation - - Defrost
58
Sequence of Operation - - Frozen Mode Cooling
58
Sequence of Operation Perishable Mode Heating
58
Figure 4-7 Defrost
59
Troubleshooting
60
Unit will Not Start or Starts then Stops
60
Unit Operates Long or Continuously in Cooling
60
Unit Runs but Has Insufficient Cooling
61
Unit will Not Heat or Has Insufficient Heating
61
Unit will Not Terminate Heating
61
Unit will Not Defrost Properly
61
Abnormal Pressures (Cooling)
62
Abnormal Noise or Vibrations
62
Controller Malfunction
63
No Evaporator Air Flow or Restricted Air Flow
63
Thermostatic Expansion Valve Malfunction
63
Autotransformer Malfunction
63
Water-Cooled Condenser or Water Pressure Switch
63
Compressor Operating in Reverse
64
Abnormal Temperatures
64
Abnormal Currents
64
Service
65
Figure 6-1 Service Valve
65
Figure 6-2 Suction Service Valve
65
Figure 6-3 Manifold Gauge Set
65
Manifold Gauge Set
65
Section Layout
65
Service Valves
65
Figure 6-4 R-134A Manifold Gauge/Hose Set
66
Pumping the Unit down
66
Evacuation and Dehydration
67
General
67
Preparation
67
Procedure - Complete System
67
Figure 6-5. Refrigeration System Service Connections
67
Procedure - Partial System
68
Figure 6-6. Compressor Service Connections
68
Refrigerant Leak Checking
67
COMPRESSOR - - Model RSH105
69
Removal and Replacement of Compressor
69
Figure 6-7 Compressor Upper Mounting
70
Figure 6-8 Compressor Lower Mounting
70
Table 6-1 Compressor Kit
70
Refrigerant Charge
69
Checking the Refrigerant Charge
69
Adding Refrigerant to System (Full Charge)
69
Adding Refrigerant to System (Partial Charge)
69
Compressor Oil Level
71
High Pressure Switch
71
Replacing High Pressure Switch
71
Checking High Pressure Switch
72
Condenser Coil
72
Condenser Fan and Motor Assembly
72
Figure 6-9 High Pressure Switch Testing
72
Filter-Drier
72
Expansion Valves
73
Checking Superheat
73
Valve Replacement
73
Figure 6-10 Thermostatic Expansion Valve Bulb
73
Figure 6-11 Evaporator Expansion Valve
73
Evaporator Coil and Heater Assembly
74
Evaporator Coil Replacement
74
Evaporator Heater Replacement
74
Figure 6-12 Hermetic Thermostatic Expansion Valve Brazing Procedure
74
Figure 6-13 Economizer Expansion Valve
74
Economizer, Unloader, Liquid Injection and Oil Return Solenoid Valve
75
Evaporator Fan and Motor Assembly
75
Figure 6-14. Unloader Solenoid Valve
75
Figure 6-15. Oil Return Solenoid Valve (ORV), Economizer Solenoid Valve (ESV)
75
Replacing the Evaporator Fan Assembly
76
Evaporator Fan Motor Capacitors
76
When to Check for a Defective Capacitor
76
Removing the Capacitor
76
Checking the Capacitor
76
Figure 6-16. Evaporator Fan Assembly
76
Suction Modulation Valve
77
Figure 6-17 Suction Modulation Valve (SMV)
77
Checking the Stepper Valve
78
Precheck Procedure
78
Valve Override Controls
77
Controller and Expansion Module
78
Handling Modules
78
Controller Trouble-Shooting
79
Figure 6-18 Controller Section of the Control Box
79
Removing and Installing a Module
80
Temperature Sensor Service
80
Sensor Checkout Procedure
80
Figure 6-19 Sensor Types
80
Sensor Replacement
81
Figure 6-20 Typical Sensor and Cable Splice
81
Table 6-2 Sensor Temperature/Resistance Chart (+/- -.002%)
81
Sensor Re- -Installation
82
Composite Control Box Repairs
82
Introduction
82
Figure 6-21 Supply Sensor Positioning
82
Figure 6-22 Return Sensor Positioning
82
Cracks
83
Inserts
83
Door Hinge Inserts
83
Figure 6-23 Door Hinge Repair
83
Table 6-3 Crack, Chip & Hole Repair Kit
84
Table 6-4 Insert Repair Kit
84
Table 6-5 Drill Information
84
Figure 6-24. Insert Location
85
Figure 6-25. Communications Interface Installation
86
Table 6-6 Recommended Bolt Torque Values
86
Table 6-7 R-134A Temperature - Pressure Chart
87
Figure Number
82
Maintenance of Painted Surfaces
82
Electrical Wiring Schematic
88
Introduction
88
Figure 7-1 LEGEND
88
Figure 7-2 SCHEMATIC DIAGRAM
89
Figure 7-3 WIRING DIAGRAM
90
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