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CFF

- i Preface for TK 61888–4–MM
- - 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: Unit Cooling Capacity
- 3.2: Evaporator Airflow
- 3.3: Electrical System
- 3.4: Refrigeration System
- 3.5: MP4000 Controller Specifications
- 3.6: Physical Specifications
- 3.7: Metric Hardware Torque Charts
Chapter 4: Unit Description
- 4.1: General Description
- 4.2: Scroll Compressor
  - Digital Port
  - Intermediate Suction Port
- 4.3: MP4000 Controller
  - Power Module Fuses
- 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: Remote Monitoring Modem (RMM, RMM+) (Optional)
  - 4.11.2: Suction and Discharge Pressure Sensors
  - 4.11.3: Water-Cooled Condenser/Receiver Tank
  - 4.11.4: Air Ventilation Logging (AVL)
  - 4.11.5: Advanced Fresh Air Management (AFAM) System
    - AFAM Operation
    - AFAM Vent Door Assembly
  - 4.11.6: Advanced Fresh Air Management Plus (AFAM+) System
Chapter 5: Controller Description
- 5.1: MP4000 Controller
  - Back-up Battery
  - Input and Output Signals
- 5.2: Standard Display
  - 5.2.1: Viewing Alarms/Messages from Standard Display
  - 5.2.2: Display Alternate Fahrenheit (F) or Celsius (C) Temperatures
  - 5.2.3: Changing Setpoint
  - 5.2.4: Main Menu
- 5.3: Keys and Indicator LEDs
Chapter 6: Operating Instructions
- 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
Chapter 7: Navigating Controller Operating Menu
- Menu Scrolling Keys
- Changing Screen Contrast
Chapter 8: Main Menu
- 8.1: Main Menu
- 8.2: Values Menu
- 8.3: Controls Menu
  - 8.3.1: Cold Treatment (CT)
  - 8.3.2: Multiple Temperature Set (MTS)
  - 8.3.3: OptiSet™
  - 8.3.4: Temperature Setpoint
  - 8.3.5: Controlling Mode
  - 8.3.6: Pull Down Selection
  - 8.3.7: Water Cooled Condenser
  - 8.3.8: Dehumidify Control
  - 8.3.9: Dehumidify Setpoint
  - 8.3.10: AVL (Air Ventilation Logging)
  - 8.3.11: Fresh Air Vent Man - AFAM Mode
  - 8.3.12: Fresh Air Vent Man - AFAM+ Mode
  - 8.3.13: AFAM Delay
  - 8.3.14: AFAM Rate
  - 8.3.15: AFAM+ CO2 Max
  - 8.3.16: AFAM+ O2 Min
  - 8.3.17: Smart PTI
  - 8.3.18: Silent Mode
- 8.4: Alarm Menu
  - Alarm Code States
  - Alarm Codes
- 8.5: Message Menu
- 8.6: Configuration Menu
  - Unit
  - Options
  - System
  - Clock
  - Calibrate
  - Icon Menu
  - 8.6.1: Refrigerant Selection
- 8.7: Log View Menu
- 8.8: Info Menu
Chapter 9: Special Function Keys - User Activated Commands
- 9.1: PTI Key
- 9.2: Defrost Key
- 9.3: PTI (Pretrip) Tests
  - 9.3.1: Manual Function Test
  - 9.3.2: Function Test
Chapter 10: Air Ventilation Logging (AVL)
Chapter 11: Advanced Fresh Air Management (AFAM) System
- 11.1: Starting the AFAM System
- 11.2: Change the AFAM Delay
- 11.3: Change the AFAM Rate
Chapter 12: Advanced Fresh Air Management Plus (AFAM+) System
- 12.1: Set AFAM+ System Values
- 12.2: Change the AFAM Delay
- 12.3: Change the CO2 Minimum and Maximum Setting
- 12.4: Change the AFAM+ Settings Using OptiSet™
- 12.5: Modify OptiSet Product Settings
- 12.6: Testing AFAM / AFAM+ System
- 12.7: AFAM+ Option Alarm Codes
  - System Operation Verification
  - Alarm Codes and Actions
Chapter 13: Pulsating Vent Door
Chapter 14: Operating Theory
- 14.1: Chill Loads (Setpoint at -9.9 C [14.1 F] and Above)
  - Supply Air Sensor Control
- 14.2: Frozen Loads (Setpoint at -10 C [14 F] and Below)
  - Cooling Capacity Display in Main Screen
- 14.3: Compressor Vapor Injection
- 14.4: High Temperature Protection
- 14.5: Power Limit Mode
- 14.6: 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)
- 14.7: Condenser Fan Control
- 14.8: Probe Test
- 14.9: Dehumidify Mode
- 14.10: Continuous Temperature Control Operation
- 14.11: Compressor Digital Control Valve
- 14.12: Economizer System
- 14.13: Data Recording and Downloading Data
- 14.14: Cold Treatment (CT)
- 14.15: Multiple Temperature Setpoint (MTS)
Chapter 15: Controller Maintenance
- 15.1: Controller Door Open and Close Instructions
- 15.2: Flashloading Controller Software
- 15.3: MP4000 Test System Tool
- 15.4: Controller Replacement
Chapter 16: Electrical Maintenance
- 16.1: Unit Protection Devices
  - 16.1.1: Main Circuit Breaker
  - 16.1.2: Evaporator Overheat Protection
- 16.2: High Pressure Cutout Switch
- 16.3: High Pressure Cutout Manifold
- 16.4: High Pressure Cutout Switch Removal/Installation
- 16.5: Low Pressure Cutout Switch
  - Removal
  - Installation
- 16.6: Low Pressure Cutout Switch or Suction Transducer Configuration
- 16.7: Discharge and Low Pressure Sensors (Optional)
  - Removal
  - Installation
- 16.8: Condenser Fan and Evaporator Fan Rotation
- 16.9: Evaporator Heater Selection
  - Extended Capacity Heaters
  - Electric Heaters Malfunction
- 16.10: Compressor Discharge Temperature Sensor
  - Replacement
- 16.11: Temperature Sensors
Chapter 17: Refrigeration Maintenance
- 17.1: Introduction
- 17.2: Tools
- 17.3: Vacuum Pump
- 17.4: Filters and Cartridges
- 17.5: Refrigerant Recovery Equipment
- 17.6: Detecting Leaks
- 17.7: Special Service Fittings
- 17.8: Oil Acid Test
- 17.9: Isolate Compressor
- 17.10: Gauge Manifold Set
  - Using a New Gauge Manifold Set
  - Gauge Manifold Valve Positions
- 17.11: Gauge Manifold Set Installation and Removal
- 17.12: Checking Refrigerant Charge
- 17.13: Receiver Tank Sight Glass
- 17.14: Leak Testing Refrigeration System
- 17.15: Using Pressurized Nitrogen
- 17.16: Recovering Refrigerant from System
- 17.17: Evacuation and Cleanup of Refrigeration System
  - 17.17.1: Unit Preparation and Hookup
  - 17.17.2: Unit Evacuation
  - 17.17.3: Pressure Rise Test
  - 17.17.4: Factors Affecting Speed of System Evacuation
  - 17.17.5: Heat Saves Time
- 17.18: Charging System with Refrigerant
- 17.19: Compressor Replacement
- 17.20: Condenser Coil Replacement
- 17.21: Filter Drier/In-line Filter Replacement
- 17.22: Evaporator Expansion Valve (TXV) Replacement
- 17.23: Economizer Expansion Valve Replacement
- 17.24: Economizer Heat Exchanger Replacement
- 17.25: Receiver Tank/ Water-Cooled Condenser Tank Replacement
- 17.26: Vapor Injection Valve Replacement
- 17.27: Compressor Digital Control Valve Replacement
Chapter 18: Servicing the Unit
- 18.1: Taking Care of the Structure
- 18.2: Adjusting the Fresh Air Exchange System
Chapter 19: Diagnostics
- 19.1: Introduction
- 19.2: MP4000 Diagnostics
- 19.3: Mechanical Diagnostics
- 19.4: Refrigeration Diagnostics
- 19.5: Status Messages and Controller Actions
- 19.6: Alarm Codes and Corrective Actions
Chapter 20: Diagrams
- 20.1: Diagram Index

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Operating Theory

In this section:

Chill Loads (Setpoint at -9.9 C [14.1 F] and Above)
Frozen Loads (Setpoint at -10 C [14 F] and Below)
Compressor Vapor Injection
High Temperature Protection
Power Limit Mode
Evaporator Fan Control
Condenser Fan Control
Probe Test
Dehumidify Mode
Continuous Temperature Control Operation
Compressor Digital Control Valve
Economizer System
Data Recording and Downloading Data
Cold Treatment (CT)
Multiple Temperature Setpoint (MTS)

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