Thermo King CSR-20 Series Manuals

Manuals and User Guides for Thermo King CSR-20 Series. We have 1 Thermo King CSR-20 Series manual available for free PDF download: Maintenance Manual

Thermo King CSR-20 Series Maintenance Manual

Thermo King CSR-20 Series Maintenance Manual (199 pages)

Hermetic with mP-D

Brand: Thermo King | Category: Heat Pump | Size: 5 MB

Table of Contents

Table of Contents
5
Introduction

9
Safety Precautions

13
- General Practices
  13
- Refrigerant
  13
- Refrigerant Oil
  14
- Electrical
  14
  - Microprocessor Controller
    15
- Unit Decals
  16
- Serial Number Locations
  16
Service Guide

17
Specifications

18
Unit Description

28
II

47
Operating Instructions

47
- Unit Controls
  47
- Unit Instruments
  48
- Unit Protection Devices
  48
- Pretrip Inspection
  49
- Loading Procedure
  52
- Post Load Procedure
  52
- Post Trip Procedure
  52
Μ Μ P-D Controller

53
- General Description
  54
- Controller Display Menus
  55
  - Software Version Display
    55
  - Active Option Displays
    55
  - Pause Mode Displays
    56
  - View Menu
    56
  - Pretrip Menu
    56
  - Test Menu
    56
  - Guarded Access Menu
    56
  - Program Menu
    56
  - Menu Display Definitions
    56
- Status Indicator Leds and Alarm Codes
  58
- Pause Alarms
  59
- Data Logging and Downloading Data
  60
- General Theory of Operation
  60
  - Chill Loads
    60
  - Frozen Loads
    61
  - Automatic Phase Selection
    61
  - Compressor Liquid Injection
    61
  - Modulation Valve Setting (PCVAL)
    61
  - Evaporator Fan Control
    61
  - Condenser Fan Control
    61
  - Sensor Check
    62
  - Power Limit
    62
  - Economy Mode Operation
    63
- Sequence of Operation
  63
- Reviewing Software Version and Configuration
  69
- Displaying Alternate Fahrenheit (F) or Celsius (C) Temperatures
  69
- Displaying Alternate Controlling (Supply or Return) Air Sensor Temperatures
  70
- Initiating a Manual Defrost
  71
- Initiating a Full Pretrip
  71
- Entering a Start of Trip Marker
  72
- Displaying and Clearing Alarm Codes
  72
- Controller Menu Operating Instructions
  73
- Menu View Functions
  73
  - Navigating the Menu View Screens
    73
  - GRADE Submenu
    74
  - LOG Submenu
    74
- Menu Pretrip Functions
  77
  - Performing an Extended, Full or Single Pretrip Test from the Pretrip Menu
    78
- Menu Test Functions
  79
- Menu Guard Functions
  81
- Menu Program Functions
  88
  - USDA Sensors
    88
  - PULP Sensor (Option)
    89
  - Economy Mode
    90
  - Dehumidify Mode (Option)
    91
  - Humidify Mode (Option)
    91
  - Bulb Mode (Option)
    92
  - Power Reduction Mode
    93
- Controller Emergency Bypass Procedure
  94
- Output Module
  95
- Thermo Bus Tap
  95
- Power Module
  95
- Replacing the Μp-D Controller
  96
- Temperature Sensors
  96
- Diagnosis and Repair
  97
- Alarm Codes, Descriptions and Corrective Actions 4-46 to
  98
Electrical Maintenance

119
- Unit Wiring
  119
- Auxiliary Battery and Battery Charger (Option)
  119
- High Pressure Cutout Switch
  119
- Condenser Fan and Evaporator Fan Rotation
  120
- Electric Heaters
  120
- Integrated Remote Monitor Unit (IRMU) (Option)
  121
Refrigeration System Diagnosis and Service

125
Structural/Accessory Maintenance

147
- Mounting Bolts
  147
- Unit Inspection
  147
- Condenser Coil
  147
- Evaporator Coil
  147
- Defrost Drains
  148
- Evaporator Fan Location
  148
- Condenser Fan Location
  148
- Fresh Air Exchange System
  148
- Partlow (Model SR) Recording Thermometer (Option)
  149
  - Recording Chart Replacement
    149
  - Marking System Calibration
    149
  - Element Replacement
    150
- Saginomiya (Model SKM) Recording Thermometer (Option)
  150
  - Battery
    150
  - Recording Chart Replacement
    151
  - Marking System Calibration
    151
  - Power Element Assembly Replacement
    152
  - Timer
    152
  - Battery Voltage Indicator
    152
- Humidity System (Option)
  153
  - Pretrip Inspection
    153
  - Inspection and Cleaning
    153
Mechanical Diagnosis

154
Electrical, Refrigeration and Μ Μ P-D Menu Flow Diagrams

159

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