2
Table of Contents
1. Specifications
3
2. Unit Dimensions
4
3. LCD Control Panel
5
4. Refrigerant Cycle Diagram
6
5. PCB and Wiring Diagrams
7
5.1 Circuit Diagram
7
5.2 PCBA Diagrams
8
5.2.1 Power PCBA
8
5.2.1.1 Power PCBA Schematic
8
5.2.1.2 Power PCBA Critical
9
Components Layout
5.2.1.3 Power PCBA Gerber Layout
10
5.2.2 Display and Control PCBA
11
5.2.2.1 Display and Control
11
PCBA Schematic
5.2.2.2 Display and Control
12
PCBA LCD and Buttons Layout
5.2.2.3 Display and Control
12
PCBA Gerber Layout
5.2.3 Translator PCBA
13
5.2.3.1 Translator PCBA Schematic
13
5.2.3.2 Translator PCBA Gerber Layout
14
6. Unit Disassembly
15
6.1 Removing Side Panels
15
6.2 Opening the Door
15
6.3 PCB Cover Removal
16
7. Exploded Diagram and BOM
17
8. Electronic Function
21
8.1. Main Features
21
8.2 General Controller Technical Specifications 21
8.3 Sensor Definitions
21
8.4 Main Control Functions
22
8.4.1 Energy Saving Mode
22
8.4.2 Normal Mode
23
8.5 Fan Speed Switching (Evaporator)
24
8.6 Other Controls (Self-Evaporating Motors
24
and Water Pumps)
8.7 Internal Timers
24
8.8 Protection Controls
24
8.8.1 Compressor Delay Protection
24
8.8.2 Defrost Protection
24
8.8.3 Other Protection Controls
24
8.9 Memory Function
25
8.10 UART/RS232 Communication
25
8.11 Factory Defaults
25
8.12 Unit Defaults During Power Up
25
After Power Loss
9. Basic Test Procedure
26
9.1 Defective Compressor
26
9.1.1 Compressor Wiring Test
26
9.1.2 Ground Test
26
9.1.3 Checking Compressor Efficiency
26
9.1.4 Compressor Thermal Overload (Internal) 27
9.1.5 Testing the Internal Overload for Failure 27
9.2 Sealed Refrigeration System Repairs
27
9.2.1 Equipment Required for
27
Refrigeration System Repairs
9.2.2 Equipment Requirements
27
9.2.3 Compressor Replacement
28
9.2.4 Special Procedure in the Event of
28
Compressor Motor Burnout
9.2.5 Refrigerant Charge
29
9.3 Fan Motor
29
9.3.1 Fan Motor Test
29
9.4 Capacitor
30
9.4.1 Capacitor Test
30
10. Temperature Sensor Table
31
11. Troubleshooting
32
11.1 Troubleshooting Table
32
11.2 Troubleshooting Flowcharts
34
11.2.1 General Troubleshooting Flowchart
34
11.2.2 Electrical System Troubleshooting
35
Flowchart
Español
36
Содержание SRCOOL33K
Страница 4: ...4 2 Unit Dimensions 78 4 in 1991 mm 42 7 in 1085 mm 23 6 in 599 mm...
Страница 7: ...7 5 PCB and Wiring Diagrams 5 1 Circuit Diagram UPPER FAN MOTOR LOWER FAN MOTOR...
Страница 10: ...10 5 PCB and Wiring Diagrams 5 2 1 3 Power PCBA Gerber Layout...
Страница 14: ...14 5 PCB and Wiring Diagrams 5 2 3 2 Translator PCBA Gerber Layout...
Страница 39: ...39 2 Dimensiones de la Unidad 1991 mm 78 4 1085 mm 42 7 599 mm 23 6...
Страница 45: ...45 5 Diagramas del Cableado y PCB 5 2 1 3 Diagrama PCBA Gerber de Energ a...
Страница 49: ...49 5 Diagramas del Cableado y PCB 5 2 3 2 Diagrama del Traductor PCBA Gerber...
Страница 71: ...71...
Страница 72: ...72 18 06 003 93 3868_RevA 1111 W 35th Street Chicago IL 60609 EE UU www tripplite com support...