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Container Edition MAGNUM PLUS with MP-5000

- i Preface For None
- ii Introduction
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: System Net Cooling Capacity - Full Cool
- 3.2: Evaporator Airflow
- 3.3: Electrical System
- 3.4: Refrigeration System
- 3.5: Normal R-404A/R-452A System Operating Pressures (Scroll Compressor)
- 3.6: MP-5000 Controller Specifications
- 3.7: Physical Specifications
- 3.8: Metric Hardware Torque Charts
Chapter 4: Unit Description
- 4.1: General Description
- 4.2: Scroll Compressor
  - Digital Port
  - Intermediate Suction Port
- 4.3: MP-5000 Controller
- 4.4: Compressor Digital Control Valve
- 4.5: Economizer Heat Exchange System
- 4.6: Temperature Sensors
- 4.7: Fresh Air Exchange System
- 4.8: Receiver Tank Sight Glass
- 4.9: Evaporator Fans
- 4.10: Condenser Fan Control
  - 4.10.1: USDA Cold Treatment Temperature Recording (Standard)
- 4.11: Unit Options
  - 4.11.1: Power Line Module (PLM, Telematics)
  - 4.11.2: Suction and Discharge Pressure Transducers
  - 4.11.3: Water-Cooled Condenser/Receiver Tank
  - 4.11.4: Air Ventilation Logging (AVL)
  - 4.11.5: TK Fresh System
    - TK Fresh Operation
    - TK Fresh Vent Door Assembly
  - 4.11.6: TK Fresh Plus System
Chapter 5: Controller Description
- 5.1: MP-5000 Controller
  - Back-up Batteries
  - Input and Output Signals
- 5.2: Standard Display
  - 5.2.1: Idle Screen and Check Symbol
  - 5.2.2: Unit Status Display
  - 5.2.3: Display Icons
  - 5.2.4: Mode Descriptions
- 5.3: Keys and Indicator LEDs
  - 5.3.1: Function Keys
  - 5.3.2: LED Indicator
- 5.4: Unit Status Display
- 5.5: ON/OFF Switch
- 5.6: Main Menu
  - 5.6.1: Navigation Icon
Chapter 6: Operating Instructions
- 6.1: Function Keys
- 6.2: Unit Start-Up
- 6.3: F1 Menu
  - 6.3.1: Defrost Commands
    - 6.3.1.1: Initiating a Manual Defrost
  - 6.3.2: PTI Commands
    - 6.3.2.1: Pretrip Inspection (PTI)
  - 6.3.3: PTI (Pretrip) Tests
    - 6.3.3.1: Manual Function Test
    - 6.3.3.2: Function Test
  - 6.3.4: Link
  - 6.3.5: Language
  - 6.3.6: USB Menu
- 6.4: Setpoint
  - 6.4.1: Changing Setpoint
- 6.5: Alarm
- 6.6: C/F
- 6.7: Controller Back-up Battery
- 6.8: USB
  - 6.8.1: Standard USB Flash Drive Structure
Chapter 7: Main Menu
- 7.1: Values Menu
- 7.2: Controls Menu
- 7.3: Configuration Menu
  - Unit
  - Options
  - System
  - Time & Date
  - Calibrate
- 7.4: Message Menu
- 7.5: Info Menu
- 7.6: Log View Menu
- 7.7: Advance Menu
  - Changing Screen Contrast
Chapter 8: TK Fresh System
- 8.1: Starting the TK Fresh System
- 8.2: Change the TK Fresh Delay
- 8.3: Change the TK Fresh Rate
Chapter 9: TK Fresh Plus System
Chapter 10: Pulsating Vent Door
Chapter 11: Air Ventilation Logging (AVL)
Chapter 12: Unit Operation
- 12.1: Chill Loads (Setpoint at -9.9 C [14.1 F] and Above)
  - Supply Air Sensor Control
- 12.2: Frozen Loads (Setpoint at -10 C [14 F] and Below)
  - Cooling Capacity Display in Main Screen
- 12.3: Compressor Vapor Injection
- 12.4: High Temperature Protection
- 12.5: Power Limit Mode
- 12.6: Evaporator Fan Control
  - Chill Loads (Setpoints of -9.9 C [14.1 F] and Above)
  - Frozen Loads (Setpoint at -10.0 C [14.0 F] or Below)
- 12.7: Condenser Fan Control
- 12.8: Probe Test
- 12.9: Dehumidify Mode
- 12.10: Continuous Temperature Control Operation
- 12.11: Compressor Digital Control Valve
- 12.12: Economizer System
- 12.13: Data Recording and Downloading Data
- 12.14: Cold Treatment (CT)
Chapter 13: Controller Maintenance
- 13.1: Controller Replacement
- 13.2: Flashloading Controller Software
Chapter 14: Electrical Maintenance
- 14.1: Unit Protection Devices
  - 14.1.1: Main Circuit Breaker
  - 14.1.2: Evaporator Overheat Protection
- 14.2: High Pressure Cutout Switch
- 14.3: High Pressure Cutout Manifold
- 14.4: High Pressure Cutout Switch Removal/Installation
- 14.5: Low Pressure Cutout Switch
  - Removal
  - Installation
- 14.6: Low Pressure Cutout Switch or Suction Transducer Configuration
- 14.7: Discharge and Low Pressure Sensors (Optional)
  - Removal
  - Installation
- 14.8: Condenser Fan and Evaporator Fan Rotation
  - Check Condenser Fan Rotation
  - Check Evaporator Fan Rotation
- 14.9: Evaporator Heater Selection
  - Extended Capacity Heaters
  - Electric Heaters Malfunction
- 14.10: Compressor Discharge Temperature Sensor
  - Replacement
- 14.11: Temperature Sensors
Chapter 15: Refrigeration Maintenance
- 15.1: Introduction
- 15.2: Tools
- 15.3: Vacuum Pump
- 15.4: Filters and Cartridges
- 15.5: Refrigerant Recovery Equipment
- 15.6: Detecting Leaks
- 15.7: Special Service Fittings
- 15.8: Oil Acid Test
- 15.9: Isolate Compressor
- 15.10: Gauge Manifold Set
  - Using a New Gauge Manifold Set
  - Gauge Manifold Valve Positions
- 15.11: Gauge Manifold Set Installation and Removal
- 15.12: Checking Refrigerant Charge
- 15.13: Receiver Tank Sight Glass
- 15.14: Leak Testing Refrigeration System
- 15.15: Using Pressurized Nitrogen
- 15.16: Recovering Refrigerant from System
- 15.17: Evacuation and Cleanup of Refrigeration System
  - 15.17.1: Unit Preparation and Hookup
  - 15.17.2: Unit Evacuation
  - 15.17.3: Pressure Rise Test
  - 15.17.4: Factors Affecting Speed of System Evacuation
  - 15.17.5: Heat Saves Time
- 15.18: Charging System with Refrigerant
- 15.19: Compressor Replacement
- 15.20: Condenser Coil Replacement
- 15.21: Filter Drier/In-line Filter Replacement
- 15.22: Evaporator Expansion Valve (TXV) Replacement
- 15.23: Economizer Expansion Valve Replacement
- 15.24: Economizer Heat Exchanger Replacement
- 15.25: Receiver Tank/ Water-Cooled Condenser Tank Replacement
- 15.26: Vapor Injection Valve Replacement
- 15.27: Compressor Digital Control Valve Replacement
Chapter 16: Servicing the Unit
- 16.1: Taking Care of the Structure
- 16.2: Adjusting the Fresh Air Exchange System
Chapter 17: Diagnostics
- 17.1: Introduction
- 17.2: MP-5000 Diagnostics
- 17.3: Mechanical Diagnostics
- 17.4: Refrigeration Diagnostics
- 17.5: Status Messages and Controller Actions
- 17.6: Alarm Codes and Corrective Actions
Chapter 18: Diagrams
- 18.1: Diagram Index

Unit Protection Devices

In this section:

Main Circuit Breaker
Evaporator Overheat Protection

Parent topic: Electrical Maintenance

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