Thermo King 918250 Refrigeration System Manuals

Manuals and User Guides for Thermo King 918250 Refrigeration System. We have 1 Thermo King 918250 Refrigeration System manual available for free PDF download: Manual

Thermo King 918250 Manual

Thermo King 918250 Manual (118 pages)

Brand: Thermo King | Category: Refrigerator | Size: 10 MB

Table of Contents

Table of Contents
5
List of Figures

9
Safety Precautions

11
- General Practices
  11
- Refrigerant
  11
- Refrigeration Oil
  11
- Electrical Hazards
  11
  - High Voltage
    11
  - Low Voltage
    12
Specifications

13
- General
  13
- R-134A Refrigeration System
  13
- R-404A Refrigeration System
  14
- Electrical System
  15
Maintenance Inspection Schedule

17
Unit Description

19
- Introduction
  19
- Condenser
  19
- Evaporator
  19
- Compressor
  19
- Control Circuits
  20
- In-Cab Control Box
  20
- Oil Separator
  20
- Refrigerant
  20
- Liquid Injection System
  20
- Evaporator Drain Tube Heaters
  20
- Electric Standby Operation
  20
- Unit Features
  21
- Protection Features
  21
- Control Box
  22
  - P.C. Board
    22
  - Connectors
    22
- Fuses
  22
- Figure 1: Typical P.C. Board
  22
- Figure 2: P.C. Board Fuses
  22
- Common Relays
  23
- Standby Relays
  23
- Multi-Temp Relays
  23
- Figure 3: Fuse 4/1
  23
- Defrost Timer
  24
- Clutch Timer
  24
- EFR Selector
  24
- Unit Operation
  24
- Thermostat Operation
  24
- Figure 4: Thermostat Algorithm
  24
- Serial Number Locations
  25
- Figure 5: Condenser
  26
- Figure 6: Evaporator
  26
- Figure 7: Control Box Side of Model 20 Condenser
  27
- Figure 8: Refrigeration Component Side of Model 20 Condenser
  28
Operating Instructions

29
- Introduction
  29
- Description
  29
- Figure 9: M13 & 16 In-Cab Control Box
  29
- Figure 10: M-17 In-Cab Control Box
  29
- Figure 11: On/Off Key & LED
  29
- Figure 12: Celsius/Fahrenheit LED
  29
- Figure 13: Setpoint Key & Dial
  30
- Figure 14: Misc. Led's
  30
- Figure 15: Defrost Key & LED
  30
- In-Cab Control Box Operating Instructions (M-13, M-16, M-17)
  31
- Unit Operation
  32
  - Weekly Pretrip Inspection
    32
  - Starting the Unit
    32
  - After Start Inspection
    32
  - Loading Procedure
    32
  - Post Load Procedure
    33
Tabl E of C Onten Ts

35
Electrical Maintenance

35
Refrigeration Maintenance

43
Refrigeration Service Operations

49
Structural Maintenance

59
- Unit Inspection
  59
- Evaporator Coil
  59
- Condenser Coil
  59
- Unit Mounting Bolts
  59
- Figure 38: Condenser
  59
- Figure 39: Evaporator
  59
Clutch Maintenance

61
Over-The-Road Mechanical Diagnosis

71
Electric Standby Mechanical Diagnosis

73
- Electric Standby Service Checks
  76
Refrigeration Diagnosis Chart

77
Index

79
Diagram Index

81

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