Carrier 69NT40-561-201 Installation and operating instructions

T−364 Rev A
OPERATION & SERVICE MANUAL
For
69NT40-561-201
Evergreen Container Refrigeration Units
Container Refrigeration

OPERATION AND SERVICE MANUAL
CONTAINER REFRIGERATION UNIT
Model
69NT40−561−201
Carrier Corporation, 2021 Printed in U. S. A. March 2021

iT-364
TABLE OF CONTENTS
PARAGRAPH NUMBER Page
GENERAL SAFETY NOTICES Safety−1.........................................................
FIRST AID Safety−1..........................................................................
OPERATING PRECAUTIONS Safety−1.........................................................
MAINTENANCE PRECAUTIONS Safety−1.......................................................
SPECIFIC WARNING AND CAUTION STATEMENTS Safety−1.....................................
INTRODUCTION 1−1..............................................................................
1.1 INTRODUCTION 1−1.....................................................................
1.2 CONFIGURATION IDENTIFICATION 1−1...................................................
1.3 FEATURE DESCRIPTIONS 1−1............................................................
1.3.1 Control Box 1−1......................................................................
1.3.2 Temperature Readout 1−1..............................................................
1.3.3 Pressure Readout 1−1.................................................................
1.3.4 Compressor 1−1......................................................................
1.3.5 Condenser Coil 1−1...................................................................
1.3.6 Evaporator 1−1.......................................................................
1.3.7 Evaporator Fan Operation 1−1..........................................................
1.3.8 Plate Set 1−1.........................................................................
1.3.9 Battery 1−1...........................................................................
1.3.10 Dehumidification 1−1..................................................................
1.3.11 USDA 1−1...........................................................................
1.3.12 Interrogator 1−1.......................................................................
1.3.13 Remote Monitoring 1−1................................................................
1.3.14 Communications Interface Module 1−2...................................................
1.3.15 Gutters 1−2..........................................................................
1.3.16 Handles 1−2..........................................................................
1.3.17 Back Panels 1−2......................................................................
1.3.18 460 Volt Cable 1−2....................................................................
1.3.19 Cable Restraint 1−2...................................................................
1.3.20 Upper Air (Fresh Air Make Up) 1−2......................................................
1.3.21 Labels 1−2...........................................................................
1.3.22 Controller 1−2........................................................................
1.3.23 Condenser Grille 1−2..................................................................
DESCRIPTION 2−1...............................................................................
2.1 GENERAL DESCRIPTION 2−1.............................................................
2.1.1 Refrigeration Unit −Front Section 2−1...................................................
2.1.2 Fresh Air Makeup Vent 2−1.............................................................
2.1.3 Evaporator Section 2−2................................................................
2.1.4 Compressor Section 2−3...............................................................
2.1.5 Air−Cooled Condenser Section 2−4......................................................
2.1.6 Control Box Section 2−5...............................................................
2.1.7 Communications Interface Module 2−5...................................................

ii
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TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
2.2 REFRIGERATION SYSTEM DATA 2−6......................................................
2.3 ELECTRICAL DATA 2−7...................................................................
2.4 SAFETY AND PROTECTIVE DEVICES 2−8.................................................
2.5 REFRIGERATION CIRCUIT 2−9...........................................................
2.5.1 Standard Operation 2−9................................................................
2.5.2 Economized Operation 2−9.............................................................
2.5.3 Electronic Expansion Valve 2−9.........................................................
MICROPROCESSOR 3−1..........................................................................
3.1 TEMPERATURE CONTROL MICROPROCESSOR SYSTEM 3−1..............................
3.1.1 Keypad 3−2..........................................................................
3.1.2 Display Module 3−2...................................................................
3.1.3 Controller 3−3........................................................................
3.2 CONTROLLER SOFTWARE 3−3...........................................................
3.2.1 Configuration Software (CnF Variables) 3−3..............................................
3.2.2 Operational Software (Cd Function Codes) 3−4...........................................
3.3 MODES OF OPERATION 3−4.............................................................
3.3.1 Start up - Compressor Phase Sequence 3−4..............................................
3.3.2 Start up - Compressor Bump Start 3−4...................................................
3.3.3 Perishable Mode Temperature Control 3−4...............................................
3.3.4 Perishable Pulldown 3−4...............................................................
3.3.5 Perishable Steady State 3−4............................................................
3.3.6 Perishable Idle, Air Circulation 3−4......................................................
3.3.7 Perishable Heating 3−4................................................................
3.3.8 Perishable Dehumidification 3−5........................................................
3.3.9 Perishable Mode Cooling - Sequence of Operation 3−6.....................................
3.3.10 Perishable Mode Heating - Sequence of Operation 3−7....................................
3.3.11 Perishable Mode - Trim Heat 3−7........................................................
3.3.12 Frozen Mode - Temperature Control 3−7.................................................
3.3.13 Frozen Steady State 3−7...............................................................
3.3.14 Frozen Idle Mode 3−7.................................................................
3.3.15 Frozen “Heat” Mode 3−8...............................................................
3.3.16 Frozen Mode Cooling - Sequence of Operation 3−8........................................
3.3.17 Defrost 3−9..........................................................................
3.3.18 Automatic Defrost 3−9.................................................................
3.3.19 Defrost Initiation 3−9..................................................................
3.3.20 Defrost Interval 3−10...................................................................
3.3.21 Defrost Related Settings 3−11...........................................................
3.4 PROTECTION MODES OF OPERATION 3−11................................................
3.4.1 Evaporator Fan Operation 3−11..........................................................
3.4.2 Failure Action 3−11.....................................................................
3.4.3 Generator Protection 3−11..............................................................
3.4.4 Compressor High Temperature Protection 3−11............................................
3.4.5 Compressor Low Pressure Protection 3−11................................................
3.4.6 Perishable Mode - System Pressure Regulation 3−11.......................................

iii T-364
TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
3.5 CONTROLLER ALARMS 3−11..............................................................
3.6 PRE−TRIP DIAGNOSTICS 3−12............................................................
3.7 DataCORDER 3−12........................................................................
3.7.1 Description 3−12.......................................................................
3.7.2 DataCORDER Software 3−12............................................................
3.7.3 Sensor Configuration (dCF02) 3−13......................................................
3.7.4 Logging Interval (dCF03) 3−13...........................................................
3.7.5 Thermistor Format (dCF04) 3−13.........................................................
3.7.6 Sampling Type (dCF05 & dCF06) 3−15...................................................
3.7.7 Alarm Configuration (dCF07 - dCF10) 3−15................................................
3.7.8 DataCORDER Power Up 3−15...........................................................
3.7.9 Pre-trip Data Recording 3−15............................................................
3.7.10 DataCORDER Communications 3−15.....................................................
3.7.11 USDA Cold Treatment 3−16.............................................................
3.7.12 USDA Cold Treatment Procedure 3−16...................................................
3.7.13 DataCORDER Alarms 3−17.............................................................
3.7.14 ISO Trip Header 3−17..................................................................
3.8 CONTROLLER CONFIGURATION VARIABLES 3−18..........................................
3.9 CONTROLLER FUNCTION CODES 3−19....................................................
3.10 CONTROLLER ALARM INDICATIONS 3−26..................................................
3.11 CONTROLLER PRE−TRIP TEST CODES 3−34...............................................
OPERATION 4−1.................................................................................
4.1 INSPECTION (Before Loading) 4−1.........................................................
4.2 CONNECT POWER 4−1..................................................................
4.2.1 Connection To 380/460 VAC Power 4−1..................................................
4.3 ADJUST FRESH AIR MAKEUP VENT 4−1...................................................
4.3.1 Upper Fresh Air Makeup Vent 4−1.......................................................
4.3.2 Vent Position Sensor 4−2..............................................................
4.4 CONNECT REMOTE MONITORING RECEPTACLE 4−2......................................
4.5 STARTING AND STOPPING INSTRUCTIONS 4−2...........................................
4.5.1 Starting the Unit 4−2...................................................................
4.5.2 Stopping the Unit 4−3..................................................................
4.6 START−UP INSPECTION 4−3.............................................................
4.6.1 Physical Inspection 4−3................................................................
4.6.2 Check Controller Function Codes 4−3....................................................
4.6.3 Start Temperature Recorder 4−3........................................................
4.6.4 Complete Inspection 4−3...............................................................
4.7 PRE−TRIP DIAGNOSIS 4−3...............................................................
4.8 PROBE DIAGNOSTICS 4−4...............................................................

iv
T-364
TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
TROUBLESHOOTING 5−1.........................................................................
5.1 UNIT WILL NOT START OR STARTS THEN STOPS 5−1......................................
5.2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING 5−1..............................
5.3 UNIT RUNS BUT HAS INSUFFICIENT COOLING 5−2........................................
5.4 UNIT WILL NOT HEAT OR HAS INSUFFICIENT HEATING 5−2................................
5.5 UNIT WILL NOT TERMINATE HEATING 5−2................................................
5.6 UNIT WILL NOT DEFROST PROPERLY 5−2................................................
5.7 ABNORMAL PRESSURES 5−3............................................................
5.8 ABNORMAL NOISE OR VIBRATIONS 5−3..................................................
5.9 MICROPROCESSOR MALFUNCTION 5−3..................................................
5.10 NO EVAPORATOR AIR FLOW OR RESTRICTED AIR FLOW 5−4..............................
5.11 ELECTRONIC EXPANSION VALVE MALFUNCTION 5−4......................................
5.12 COMPRESSOR OPERATING IN REVERSE 5−5.............................................
5.13 ABNORMAL TEMPERATURES 5−5........................................................
5.14 ABNORMAL CURRENTS 5−5..............................................................
SERVICE 6−1....................................................................................
6.1 SECTION LAYOUT 6−1...................................................................
6.2 MANIFOLD GAUGE SET 6−1..............................................................
6.3 SERVICE CONNECTIONS 6−2............................................................
6.4 PUMP DOWN THE UNIT 6−2..............................................................
6.5 REFRIGERANT LEAK CHECKING 6−3.....................................................
6.6 EVACUATION AND DEHYDRATION 6−3....................................................
6.6.1 General 6−3..........................................................................
6.6.2 Preparation 6−3.......................................................................
6.6.3 Complete System 6−3.................................................................
6.6.4 Partial System 6−4....................................................................
6.7 REFRIGERANT CHARGE 6−4.............................................................
6.7.1 Checking the Refrigerant Charge 6−4....................................................
6.7.2 Adding Refrigerant to System (Full Charge) 6−4...........................................
6.7.3 Adding Refrigerant to System (Partial Charge) 6−4........................................
6.8 COMPRESSOR 6−5......................................................................
6.8.1 Removal and Replacement of Compressor 6−5...........................................
6.9 HIGH PRESSURE SWITCH 6−6...........................................................
6.9.1 Checking High Pressure Switch 6−6.....................................................
6.9.2 Replacing High Pressure Switch 6−6.....................................................
6.10 CONDENSER COIL 6−7..................................................................
6.10.1 Condenser Coil Cleaning 6−7...........................................................
6.10.2 Condenser Coil Removal 6−7...........................................................
6.10.3 Condenser Coil Preparation 6−7........................................................
6.10.4 Condenser Coil Installation 6−7.........................................................
6.11 CONDENSER FAN AND FAN MOTOR 6−8..................................................
6.11.1 Condenser Fan Remove/Replace 6−8...................................................

vT-364
TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
6.12 FILTER DRIER 6−8.......................................................................
6.13 EVAPORATOR COIL & HEATER ASSEMBLY 6−9............................................
6.13.1 Evaporator Coil Replacement 6−9.......................................................
6.13.2 Evaporator Heater Replacement 6−9....................................................
6.14 EVAPORATOR FAN AND MOTOR ASSEMBLY 6−10..........................................
6.14.1 Replacing the Evaporator Fan Assembly 6−10.............................................
6.14.2 Disassemble the Evaporator Fan Assembly 6−10...........................................
6.14.3 Assemble the Evaporator Fan Assembly 6−10.............................................
6.15 EVAPORATOR SECTION CLEANING 6−10...................................................
6.16 ELECTRONIC EXPANSION VALVE 6−11.....................................................
6.16.1 Replacing Electronic Expansion Valve and Screen 6−11.....................................
6.17 ECONOMIZER SOLENOID VALVE 6−12.....................................................
6.18 ECONOMIZER EXPANSION VALVE 6−12....................................................
6.18.1 Economizer Expansion Replacement 6−12................................................
6.19 DIGITAL UNLOADER VALVE 6−13..........................................................
6.20 VALVE OVERRIDE CONTROLS 6−14........................................................
6.21 CONTROLLER 6−15.......................................................................
6.21.1 Handling Modules 6−15.................................................................
6.21.2 Controller Troubleshooting 6−15..........................................................
6.21.3 Programming Procedure 6−15...........................................................
6.21.4 Removing and Installing a Controller 6−17.................................................
6.21.5 Battery Replacement 6−17..............................................................
6.22 TEMPERATURE SENSOR SERVICE 6−17...................................................
6.22.1 Sensor Checkout Procedure 6−17........................................................
6.22.2 Sensor Replacement 6−20..............................................................
6.22.3 Sensors STS and SRS Re-Installation 6−21................................................
6.23 VENT POSITION SENSOR (VPS) 6−22......................................................
6.24 MAINTENANCE OF PAINTED SURFACES 6−23..............................................
6.25 COMMUNICATIONS INTERFACE MODULE INSTALLATION 6−23..............................
ELECTRICAL WIRING SCHEMATICS 7−1...........................................................
7.1 INTRODUCTION 7−1.....................................................................

vi
T-364
LIST OF ILLUSTRATIONS
FIGURE NUMBER Page
Figure 2−1 Refrigeration Unit −Front Section 2−1....................................................
Figure 2−2 Evaporator Section 2−2.................................................................
Figure 2−3 Compressor Section 2−3................................................................
Figure 2−4 Air−Cooled Condenser Section 2−4.......................................................
Figure 2−5 Control Box Section 2−5................................................................
Figure 2−6 Refrigeration Circuit Schematic −Standard Operation 2−10...................................
Figure 2−7 Refrigeration Circuit Schematic −Economized Operation 2−11................................
Figure 3−1 Temperature Control System 3−1.........................................................
Figure 3−2 Keypad 3−2...........................................................................
Figure 3−3 Display Module 3−3....................................................................
Figure 3−4 Control Module 3−3.....................................................................
Figure 3−5 Controller Operation - Perishable Mode 3−5...............................................
Figure 3−6 Perishable Mode Cooling 3−6............................................................
Figure 3−7 Perishable Mode Heating 3−7............................................................
Figure 3−8 Controller Operation - Frozen Mode 3−8...................................................
Figure 3−9 Frozen Mode 3−9......................................................................
Figure 3−10 Defrost 3−10..........................................................................
Figure 3−11 Standard Configuration Download Report 3−14.............................................
Figure 3−12 Alarm Troubleshooting Sequence 3−25....................................................
Figure 4−1 Upper Fresh Air Make Up Flow Chart 4−2.................................................
Figure 6−1 Manifold Gauge Set 6−1................................................................
Figure 6−2 R-134a Manifold Gauge/Hose Set 6−1....................................................
Figure 6−3 Service Valve 6−2......................................................................
Figure 6−4 Refrigeration System Service Connections 6−3.............................................
Figure 6−5 Compressor Kit 6−5....................................................................
Figure 6−6 High Pressure Switch Testing 6−6........................................................
Figure 6−7 Heater Arrangement 6−9................................................................
Figure 6−8 Evaporator Fan Assembly 6−10...........................................................
Figure 6−9 Electronic Expansion Valve 6−11..........................................................
Figure 6−10 Coil View of Economizer Solenoid Valve (ESV) 6−12........................................
Figure 6−11 Economizer Expansion Valve 6−12.......................................................
Figure 6−12 View of Digital Unloader Valve (DUV) Assembly 6−13.......................................
Figure 6−13 Controller Section of the Control Box 6−15.................................................
Figure 6−14 Sensor Types 6−20.....................................................................
Figure 6−15 Sensor and Cable Splice 6−20...........................................................
Figure 6−16 Supply Sensor Positioning 6−21..........................................................
Figure 6−17 Return Sensor Positioning 6−21..........................................................
Figure 6−18 Evaporator Temperature Sensor Positioning 6−21..........................................
Figure 6−19 Compressor Discharge Temperature Sensor 6−22..........................................
Figure 6−20 Communications Interface Installation 6−23................................................
Figure 7−1 LEGEND −Standard Unit Configuration 7−1...............................................
Figure 7−2 SCHEMATIC DIAGRAM 7−2............................................................
Figure 7−3 UNIT WIRING DIAGRAM 7−3...........................................................

vii T-364
LIST OF TABLES
TABLE NUMBER Page
Table 2−1 Safety and Protective Devices 2−8.........................................................
Table 3−1 Keypad Function 3−2.....................................................................
Table 3−2 DataCORDER Configuration Variables 3−13..................................................
Table 3−3 DataCORDER Standard Configurations 3−15.................................................
Table 3−4 Controller Configuration Variables 3−18......................................................
Table 3−5 Controller Function Codes 3−19.............................................................
Table 3−6 Controller Alarm Indications 3−26...........................................................
Table 3−7 Controller Pre-trip Test Codes 3−34..........................................................
Table 3−8 DataCORDER Function Code Assignments 3−40..............................................
Table 3−9 DataCORDER Pre-trip Result Records 3−41..................................................
Table 3−10 DataCORDER Alarm Indications 3−42......................................................
Table 6−1 Valve Override Control Displays 6−14........................................................
Table 6−2 Sensor Resistance 6−18...................................................................
Table 6−3 Sensor Resistance (CPDS) 6−19............................................................
Table 6−4 R-134a Temperature - Pressure Chart 6−24..................................................
Table 6−5 Recommended Bolt Torque Values 6−25.....................................................