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Thermo King
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Super II SR+
Thermo King Super II SR+ User Manual
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Super II SR+
with µ
P IV+
TK 5023
4-0-2-MM
(6/98)
Copy
righ
t
©
1998 Th
ermo King Co
rp., Minn
eapolis, MN,
U.S.A.
Printed
in U.S
.A.
2
Table of Contents
Default Chapter
5
Table of Contents
5
Safety Precautions
9
Specifications
11
Maintenance Inspection Schedule
15
Unit Description
17
Sequence of Operation
18
Operating Modes
18
Unit Model Super II SR+ W/Thermoguard IV
20
Design Features
20
Protection Devices
21
Operating Instructions
25
Unit Controls
25
Switch Panel
25
Microprocessor Control Panel
27
Basic Operation
27
Unit Instruments
28
Unit Protection Devices
29
Unit Operation
30
Pre-Trip Inspection (before Starting Unit)
30
Manually Starting Units
30
Starting CYCLE-SENTRY Equipped Units
31
After Start Inspection
32
Pre-Load Operation
33
Loading Procedure
33
Post Load Procedure
33
Post Trip Checks
33
Electronic Controls
35
SR+ Control Panel
35
Control Panel Switches
35
On-Off Switch
35
Preheat-Start Switch
35
Manual Defrost Switch
36
Unit Controls
36
Up IV+ Microprocessor Display
36
Microprocessor Keypad
38
Select Key Prompts and Displays
39
Up IV+ Microprocessor Standard Display
39
Changing the Setpoint
39
Selecting CYCLE-SENTRY or CONTINUOUS MODE
40
Viewing Select Key Display Screens
40
Starting the Diesel Engine
40
Initiating a Manual Defrost Cycle
41
Viewing and Clearing Alarm Codes
41
Software Revision 04Xx Alarms
42
Running a Full Pretrip Test
44
Electronic Controls (Continued)
44
Displaying the Software Revision
44
Operating Service Test Mode
44
Service Test Mode Notes
45
Service Test Mode Functions
45
Service Test Mode Functions
46
Service Test Mode Function Table
47
Electrical Maintenance
49
Alternator (Australian Bosch)
49
Charging System Diagnostic Procedures
49
Full Field Test
52
Battery
53
Unit Wiring
53
Charging System
53
Glow Plugs
53
Fuses
53
Fuse Link
54
Defrost System
54
THERMOGUARD Μp IV+ Microprocessor Controller
55
Defrost Components
55
Air Switch Testing and Adjustment
57
Oil Level Switch
58
Switch Removal and Installation
58
Bench Test
58
Sensor Tests
59
Sensor Replacement
60
Return Air Sensor
60
Discharge Air Sensor
60
Coil Temperature Sensor
60
Engine Maintenance
61
Engine Lubrication System
61
Engine Oil Change
62
Oil Filter Change
62
Engine Cooling System
62
Antifreeze Maintenance Procedure
62
Bleeding Air from the Cooling System
64
Engine Thermostat
66
Engine Fuel System
66
Bleeding the Fuel System
68
Water Separator/Fuel Filter
69
Water Separator/Fuel Filter Replacement
70
Engine Speed Adjustments
71
High Speed Adjustment
71
Injection Pump Adjustments
71
Injection Pump Service
72
Engine Maintenance (Continued)
72
Adjusting Engine Valve Clearance
75
Front Pulley Bolt
76
Crankcase Breather
77
Engine Air Cleaner (Filter)
77
Belts
79
Refrigeration Maintenance
83
Refrigerant Charge
83
Refrigerant Leaks
84
Checking Compressor Oil
85
High Pressure Cutout Switch (HPCO)
85
Three-Way Valve Condenser Pressure Bypass Check Valve
86
Modulation Valve
87
Modulation Valve Test
88
Hot Gas Solenoid Valve (HG)
89
Hot Gas Solenoid Valve Test
89
Thermax-V System (TF+ Only)
89
Thermax-V Operation
89
Refrigeration Service Operations
91
Condenser Coil
91
Discharge Vibrasorber
92
In-Line Condenser Check Valve
92
Condenser Check Valve Replacement
92
Bypass Check Valve
93
Receiver Tank
93
Filter Drier
94
Expansion Valve Assembly
94
Heat Exchanger
95
Evaporator Coil
95
Accumulator
96
Suction Vibrasorber
96
Three-Way Valve Repair
97
Three-Way Valve Condenser Pressure Bypass Check Valve Repair
99
Pilot Solenoid
100
High Pressure Cutout Switch
100
High Pressure Relief Valve
100
Throttling Valve
100
Modulation Valve
103
Hot Gas Solenoid Valve
104
Liquid Line Check Valve Repair
104
Liquid Line Check Valve Replacement
105
Thermax-V Expansion Valve
106
Structural Maintenance
107
Unit and Engine Mounting Bolts
107
Unit Inspection
107
Condenser, Evaporator, and Radiator Coils
108
Defrost Drains
108
Defrost Damper
108
Fan Module
109
Fan Shaft Assembly
111
Fan Shaft Assembly Overhaul
111
Condenser Fan Positioning
113
Evaporator Blower Alignment
114
Electrical Diagnosis
117
Condition
117
Possible Cause
117
Remedy
117
Fault Indication Diagnosis
121
Shutdown Alarms
121
Check Alarms
121
Stored Alarms
121
Alarm Code Legend
121
Alarm Code Diagnosis
121
Mechanical Diagnosis
131
Condition
131
Possible Cause
131
Remedy
131
Refrigeration Diagnosis
135
Symptom
135
Possible Causes
135
Refrigeration Cycle Without Modulation
137
Refrigeration Cycle with Modulation
138
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Thermo King Super II SR+ Specifications
General
Brand
Thermo King
Model
Super II SR+
Category
Control Systems
Language
English
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