Superfreezer CRR DF MP3000/MP3000a

• • i Preface For None
  • ii Introduction
    • General Information
    • Revision History
    • Recover Refrigerant
    • R-134a/R-23
    • Customer Satisfaction Survey
• Chapter 1: Safety Precautions
  • 1.1: Danger, Warning, Caution, and Notice
  • 1.2: General Practices
  • 1.3: Refrigerant Hazards
  • 1.4: Electrical Hazards
    • High Voltage
    • Low Voltage
  • 1.5: Electrostatic Discharge Precautions
    • Electrostatic Discharge and the Controller
  • 1.6: Welding on Refrigeration Units or Containers
  • 1.7: First Aid
  • 1.8: Identifying Unit Safety and Warning Decals
  • 1.9: Serial Number Location
• Chapter 2: Service Guide
• Chapter 3: Specifications
  • 3.1: Full Cool Operation Net Cooling Capacity
  • 3.2: System Net Defrost Heating Capacity
  • 3.3: Evaporator Airflow
  • 3.4: R-134a Refrigeration System
  • 3.5: R-23 Refrigeration System
  • 3.6: Electrical System
  • 3.7: Microprocessor Controller
  • 3.8: Physical Specifications
  • 3.9: Compressor Torque — 3D Copeland Compressor Bolt Torque
  • 3.10: Metric Hardware Torque Charts
• Chapter 4: Unit Description
  • 4.1: General Description
    • Cascade Refrigeration System
    • R-134a Semi-hermetic Reciprocating Compressor
    • R-23 Hermetic Scroll Compressor
    • Microprocessor Controller
    • Datalogger
    • Three Evaporator Fans
    • USDA Cold Treatment Temperature Recording
    • REFCON Remote Monitoring Modem (RMM)
  • 4.2: Operating Modes
    • Frozen Loads
• Chapter 5: Operating Instructions
  • 5.1: Basic Unit Controls, Instruments and Protection Devices
    • Unit Control Box
    • MP3000/MP3000a Controller
  • 5.2: R-134a Refrigeration System Controls, Instruments and Protection Devices
  • 5.3: R-23 Refrigeration System Controls, Instruments and Protection Devices
  • 5.4: Pretrip Inspection
  • 5.5: Power Selection
  • 5.6: Pre-load Operation
    • Pre-Trip Conditions
    • Pre-Trip Checks
  • 5.7: Loading Procedure
  • 5.8: Post Load Procedure
  • 5.9: Starting the Unit on Ship
  • 5.10: Post Trip Procedure
• Chapter 6: Microprcessor Controller
  • 6.1: General Description
  • 6.2: General Theory of Operation
    • Frozen Loads (Setpoint at -10 C [14 F] and Below)
  • 6.3: Sequence Of Operation
    • Unit Start-up
    • Continuous Temperature Control Operation
    • Frozen Loads — Controller Setpoint at -10 C (14 F) and Below
    • Defrost
  • 6.4: Changing the Setpoint
  • 6.5: Initiating a Manual Defrost
  • 6.6: Displaying Alternate Controlling (Supply or Return) Air Sensor Temperature
  • 6.7: Displaying Alternate Fahrenheit (F) or Celsius (C) Temperature
  • 6.8: Menu Operating Instructions
    • Controller Menu
    • Data Menu
    • Alarm List Menu
    • Alarm Types
    • Alarm Code States
    • Viewing the Alarm List menu:
    • Commands Menu
    • Viewing the Commands menu:
    • Manual function Test, DF units
    • Misc. Functions Menu
    • Viewing the Misc. Functions menu:
    • Setting the Date and Time
    • Changing the Temperature Display Value (C/F)
    • Setting Cargo Data
    • Viewing or Setting Run Time
    • Configuration Menu
    • MP3000/MP3000a Configuration List, DF Units
    • Viewing or Setting Functions in the Misc. Functions menu:
    • Datalogger Menu
    • Viewing the Datalogger menu:
    • RMM State Menu
    • Viewing the RMM State screen:
  • 6.9: PTI (Pretrip) Test
  • 6.10: Temperature Sensors
  • 6.11: Manual Emergency Mode Operation
  • 6.12: Replacing the EPROM Chip (MP3000/MP3000a)
  • 6.13: Replacing the Microprocessor Controller
  • 6.14: Flash Loading Controller Software
• Chapter 7: Electrical Maintenance
  • 7.1: Unit Wiring
  • 7.2: High Pressure Cutout Switch
    • R-23 High Pressure Cutout Switch
    • R-134a High Pressure Cutout Switch
  • 7.3: Low Pressure Cutout Switch
    • Removal
    • Installation
  • 7.4: Low Pressure Cutout Switch or Suction Transducer Configuration
  • 7.5: Condenser Fan and Evaporator Fan Rotation
    • Check Condenser Fan Rotation
    • Check Evaporator Fan Rotation
  • 7.6: Temperature Sensors
    • Sensor Installation
    • Sensor Testing
    • Resistance Values for Temperature Sensors
• Chapter 8: Refrigeration Maintenance
  • 8.1: Introduction
  • 8.2: Tools
  • 8.3: Vacuum Pump
  • 8.4: Filters and Cartridges
  • 8.5: Refrigerant Recovery Equipment
  • 8.6: Detecting Leaks
  • 8.7: Special Service Fittings
  • 8.8: Oil Acid Test
  • 8.9: Checking Compressor Oil
    • Checking the Compressor Oil Level
    • Adding Compressor Oil
    • Removing Excess Compressor Oil
  • 8.10: Isolate Compressor
  • 8.11: Service Valve Positions
  • 8.12: Gauge Manifold Connections
    • Before You Proceed
    • Gauge Manifold Positions
    • Gauge Connections: Balancing Pressure, Removing Refrigerant, and Charging System
  • 8.13: Low Side Pump Down (R-134a Compressor Only)
  • 8.14: Gauge Manifold Set
    • Using a New Gauge Manifold Set
    • Gauge Manifold Valve Positions
  • 8.15: Gauge Manifold Set Installation and Removal
  • 8.16: Checking Refrigerant Charge
    • 8.16.1: Checking the R-134a Refrigerant Charge
    • 8.16.2: Checking the R-23 Refrigerant Charge
  • 8.17: Receiver Tank Sight Glass
  • 8.18: Leak Testing Refrigeration System
  • 8.19: Using Pressurized Nitrogen
    • Safety Precautions
    • Purge High Side to Low Side
    • Maximum Gas Pressures
  • 8.20: Recovering Refrigerant from System
    • 8.20.1: Recovery for System Repair
      • R-134a Vapor Recovery
      • R-134a Liquid Recovery
  • 8.21: Evacuation and Cleanup of Refrigeration System
    • 8.21.1: Unit Preparation and Hookup
    • 8.21.2: Unit Evacuation
    • 8.21.3: Pressure Rise Test
    • 8.21.4: Factors Affecting Speed of System Evacuation
    • 8.21.5: Heat Saves Time
  • 8.22: Charging System with Refrigerant
    • 8.22.1: R-134a Final Charging Procedure for Partially Charged Units
    • 8.22.2: Checking the R-23 Refrigerant Charge
    • 8.22.3: Final Charging Procedure for Partially Charged Units on Empty Containers R-23
    • 8.22.4: Charging Procedure for Partially Charged Units on Loaded Containers R-23
  • 8.23: Compressor Replacement
    • Removal
    • Installation
  • 8.24: Condenser Coil Replacement
  • 8.25: Filter Drier Replacement
    • Removal
    • Installation
  • 8.26: Evaporator Expansion Valve (TXV) Replacement
  • 8.27: Expansion Valve Replacement
    • Removal
    • Installation
  • 8.28: Heat Exchanger Replacement
    • Removal
    • Installation
  • 8.29: Receiver Tank Replacement
    • Removal
    • Installation
  • 8.30: High Pressure Cutout Switch Replacement
    • Removal
    • Installation
  • 8.31: Liquid Line Solenoid Valve Replacement (R-134a System Only)
    • Removal
    • Installation
  • 8.32: Low Pressure Cutout Switch Replacement
    • Removal
    • Installation
• Chapter 9: Servicing the Unit
  • 9.1: Taking Care of the Structure
    • Inspecting Unit
    • Checking Mounting Bolts
    • Cleaning the Condenser Coil
    • Cleaning the Evaporator Coil
    • Cleaning the Defrost Drains
    • Positioning the Condenser Fan Blade
    • Positioning the Evaporator Fan Blade
    • Vacuum Valve
• Chapter 10: Diagnostics
  • 10.1: Introduction
  • 10.2: Mechanical Diagnostics
  • 10.3: Refrigeration Diagnostics
  • 10.4: Alarm Codes, Descriptions and Corrective Actions
• Chapter 11: Diagrams
  • 11.1: Diagram Index