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Preface for TK 61888–4–MM
Introduction
General Information
Revision History
Recover Refrigerant
R-134a/R-407C/R-513A
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:
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
Idle Screen and Check Symbol
Unit Status Display
Display Icons
Mode Descriptions
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
Function Keys
Special Function Keys
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
Rotation Check
FULL COOL Mode
DEFROST Mode
Low Speed Fans Only
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
AFAM+ Door Closes Automatically
Pulsating AFAM+ Door
AFAM+ Enabled
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
Chill Loads (Controller Setpoint at -9.9 C [14.1 F] and Above)
Cool with Modulation
Heat
Frozen Loads (Controller Setpoint at -10 C [14 F] and Below)
Cool
Null
Defrost
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
Check Condenser Fan Rotation
Check Evaporator Fan Rotation
Reversing Power Phase on Units
16.9:
Evaporator Heater Selection
Extended Capacity Heaters
Electric Heaters Malfunction
16.10:
Compressor Discharge Temperature Sensor
Replacement
16.11:
Temperature Sensors
Sensor Installation
Sensor Testing
Resistance Values for 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
Safety Precautions
Purge High Side to Low Side
Maximum Gas Pressures
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
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
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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Preface for TK 61888–4–MM
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Last Updated : 03/09/2021
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