Superfreezer CRR DF MP4000

• • i 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
    • Component Serial Number Identification
• 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
    • Power Module Fuses
    • Three Evaporator Fans
    • USDA Cold Treatment Temperature Recording
    • REFCON Remote Monitoring Modem (RMM)
  • 4.2: Operating Modes
    • Frozen Loads
• Chapter 5: Unit Operation
  • 5.1: Basic Unit Controls, Instruments and Protection Devices
    • MP4000 Controller
    • Back-up Battery
  • 5.2: R-134a Refrigeration System Controls, Instruments and Protection Devices
  • 5.3: R-23 Refrigeration System Controls, Instruments and Protection Devices
  • 5.4: Power Selection
  • 5.5: Pre-load Operation
    • Pre-Trip Conditions
    • Pre-Trip Checks
  • 5.6: Loading Procedure
  • 5.7: Post Load Procedure
  • 5.8: Starting the Unit on Ship
• Chapter 6: Operating Instructions MP4000
  • 6.1: Function Keys
    • Unit On/Off Key
  • 6.2: Sequence of Operation
    • 6.2.1: Unit Start-up
    • 6.2.2: Initiating a Manual Defrost
    • 6.2.3: Pretrip Inspection (PTI)
    • 6.2.4: Lock Padlock
    • 6.2.5: Controller Back-up Battery
  • 6.3: Controller Lockup Issue
  • 6.4: Emergency Run Mode
    • Rotation Check
    • FULL COOL Mode
    • DEFROST Mode
    • Low Speed Fans Only
• Chapter 7: Controller Description
  • 7.1: MP4000 Controller
    • Back-up Battery
    • Input and Output Signals
  • 7.2: Standard Display
    • Idle Screen and Check Symbol
    • Unit Status Display
    • Display Icons
    • Mode Descriptions
    • 7.2.1: Viewing Alarms/Messages from Standard Display
    • 7.2.2: Display Alternate Fahrenheit (F) or Celsius (C) Temperatures
    • 7.2.3: Changing Setpoint
    • 7.2.4: Main Menu
  • 7.3: Keys and Indicator LEDs
    • Function Keys
    • Special Function Keys
    • Indicator LEDs
• Chapter 8: Navigating Controller Operating Menu
  • Menu Scrolling Keys
  • Changing Screen Contrast
• Chapter 9: Main Menu
  • 9.1: Main Menu
  • 9.2: Values Menu
  • 9.3: Controls Menu
    • 9.3.1: Temperature Setpoint
    • 9.3.2: Defrost Termination
  • 9.4: Alarm Menu
    • Alarm Code States
    • Alarm Codes
  • 9.5: Message Menu
  • 9.6: Configuration Menu
    • Unit
    • Options
    • System
    • Clock
    • Calibrate
    • Icon Menu
  • 9.7: Log View Menu
  • 9.8: Info Menu
• Chapter 10: Special Function Keys - User Activated Commands
  • 10.1: PTI Key
  • 10.2: PTI (Pretrip) Test
  • 10.3: Defrost Key
  • 10.4: PTI (Pretrip) Tests
    • 10.4.1: Manual Function Test
    • 10.4.2: Function Test
• Chapter 11: Operating Theory
  • 11.1: Frozen Loads (Setpoint at -10 C [14 F] and Below)
    • Cooling Capacity Display in Main Screen
  • 11.2: High Temperature Protection
  • 11.3: Probe Test
  • 11.4: Continuous Temperature Control Operation
    • Frozen Loads — Controller Setpoint at -10 C (14 F) and Below
    • Defrost
  • 11.5: Data Recording and Downloading Data
• Chapter 12: Controller Maintenance
  • 12.1: Controller Door Open and Close Instructions
  • 12.2: Flashloading Controller Software
  • 12.3: MP4000 Test System Tool
  • 12.4: Controller Replacement
• Chapter 13: Electrical Maintenance
  • 13.1: Unit Wiring
  • 13.2: High Pressure Cutout Switch
    • R-23 High Pressure Cutout Switch
    • R-134a High Pressure Cutout Switch
  • 13.3: Low Pressure Transducer R23
    • Removal
    • Installation
  • 13.4: Pressure Transducer (Sensor)
    • Removal
    • Installation
  • 13.5: Condenser Fan and Evaporator Fan Rotation
    • Check Condenser Fan Rotation
    • Check Evaporator Fan Rotation
  • 13.6: Temperature Sensors
    • Sensor Installation
    • Sensor Testing
    • Resistance Values for Temperature Sensors
• Chapter 14: Refrigeration Maintenance
  • 14.1: Introduction
  • 14.2: Tools
  • 14.3: Vacuum Pump
  • 14.4: Filters and Cartridges
  • 14.5: Refrigerant Recovery Equipment
  • 14.6: Detecting Leaks
  • 14.7: Special Service Fittings
  • 14.8: Oil Acid Test
  • 14.9: Checking Compressor Oil
    • Checking the Compressor Oil Level
    • Adding Compressor Oil
    • Removing Excess Compressor Oil
  • 14.10: Isolate Compressor
  • 14.11: Service Valve Positions
  • 14.12: Gauge Manifold Connections
    • Before You Proceed
    • Gauge Manifold Positions
    • Gauge Connections: Balancing Pressure, Removing Refrigerant, and Charging System
  • 14.13: Low Side Pump Down (R-134a Compressor Only)
  • 14.14: Gauge Manifold Set
    • Using a New Gauge Manifold Set
    • Gauge Manifold Valve Positions
  • 14.15: Gauge Manifold Set Installation and Removal
  • 14.16: Checking Refrigerant Charge
    • 14.16.1: Checking the R-134a Refrigerant Charge
    • 14.16.2: Checking the R-23 Refrigerant Charge
  • 14.17: Receiver Tank Sight Glass
  • 14.18: Leak Testing Refrigeration System
  • 14.19: Using Pressurized Nitrogen
    • Safety Precautions
    • Purge High Side to Low Side
    • Maximum Gas Pressures
  • 14.20: Recovering Refrigerant from System
    • 14.20.1: Recovery for System Repair
      • R-134a Vapor Recovery
      • R-134a Liquid Recovery
  • 14.21: Evacuation and Cleanup of Refrigeration System
    • 14.21.1: Unit Preparation and Hookup
    • 14.21.2: Unit Evacuation
    • 14.21.3: Pressure Rise Test
    • 14.21.4: Factors Affecting Speed of System Evacuation
    • 14.21.5: Heat Saves Time
  • 14.22: Charging System with Refrigerant
    • 14.22.1: R-134a Final Charging Procedure for Partially Charged Units
    • 14.22.2: Checking the R-23 Refrigerant Charge
    • 14.22.3: Final Charging Procedure for Partially Charged Units on Empty Containers R-23
    • 14.22.4: Charging Procedure for Partially Charged Units on Loaded Containers R-23
  • 14.23: Compressor Replacement
    • Removal
    • Installation
  • 14.24: Condenser Coil Replacement
  • 14.25: Filter Drier Replacement
    • Removal
    • Installation
  • 14.26: Evaporator Expansion Valve (TXV) Replacement
  • 14.27: Expansion Valve Replacement
    • Removal
    • Installation
  • 14.28: Heat Exchanger Replacement
    • Removal
    • Installation
  • 14.29: Receiver Tank Replacement
    • Removal
    • Installation
  • 14.30: High Pressure Cutout Switch Replacement
    • Removal
    • Installation
  • 14.31: Liquid Line Solenoid Valve Replacement (R-134a System Only)
    • Removal
    • Installation
• Chapter 15: Diagnostics
  • 15.1: Introduction
  • 15.2: MP4000 Diagnostics
  • 15.3: Mechanical Diagnostics
  • 15.4: Refrigeration Diagnostics
  • 15.5: Status Messages and Controller Actions
  • 15.6: Alarm Codes and Corrective Actions
• Chapter 16: Diagrams
  • 16.1: Diagram Index