i  62-61753-21 
TABLE OF CONTENTS 
Hystory ..................................................................................................................................................................... 1-1 
SECTION 1 - SAFETY PRECAUTIONS ................................................................................................................ 1-2 
1.1  GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER TRANSICOLD PRODUCT ......... 1-2 
1.1.1  Important to read and follow during Regular maintenance: ............................................................... 1-2 
1.2  SAFETY PRECAUTIONS .......................................................................................................................... 1-3 
1.3  SPECIFIC WARNING AND CAUTION STATEMENTS ............................................................................ 1-3 
1.4  SPECIFIC R-452A REFRIGERANT WARNING AND CAUTION ............................................................. 1-6 
1.5  SAFETY DECALS ..................................................................................................................................... 1-8 
SECTION 2 - UNIT DESCRIPTION ........................................................................................................................ 2-1 
2.1  INTRODUCTION ....................................................................................................................................... 2-1 
2.2  REFRIGERANT TYPES USED ................................................................................................................. 2-1 
2.3  GENERAL DESCRIPTION ........................................................................................................................ 2-1 
2.4  CONDENSING SECTION ......................................................................................................................... 2-9 
2.4.1  Engine ................................................................................................................................................ 2-9 
2.4.2  Engine Air System ............................................................................................................................. 2-9 
2.4.3  Engine Switches, Transducers and Sensors ..................................................................................... 2-9 
2.4.4  Generator (GEN) ................................................................................................................................ 2-9 
2.4.5  Compressor ....................................................................................................................................... 2-9 
2.4.6  Compressor Switches, Transducers and Sensors ............................................................................ 2-9 
2.4.7  Unloader Solenoid Valve (USV) ........................................................................................................ 2-9 
2.4.8  Liquid Injection Solenoid Valve (LIV) ................................................................................................. 2-9 
2.4.9  Condenser Coil .................................................................................................................................. 2-9 
2.4.10  Ambient Air Temperature Sensor (AAT) .......................................................................................... 2-10 
2.4.11  Filter Drier ........................................................................................................................................ 2-10 
2.4.12  Receiver ........................................................................................................................................... 2-10 
2.4.13  Economizer Circuit ........................................................................................................................... 2-10 
2.5  EVAPORATOR SECTION ....................................................................................................................... 2-10 
2.5.1  Evaporator Coil ................................................................................................................................ 2-10 
2.5.2  Evaporator Expansion Valve (EVXV) .............................................................................................. 2-10 
2.5.3  Compressor Suction Modulation Valve (CSMV) .............................................................................. 2-10 
2.5.4  Evaporator Switches, Transducers and Sensors ............................................................................ 2-10 
2.6  SYSTEM OPERATING CONTROLS AND COMPONENTS ................................................................... 2-11 
2.6.1  Multiple Languages .......................................................................................................................... 2-11 
2.6.2  Automatic Start-Stop ........................................................................................................................ 2-11 
2.6.3  Special Features .............................................................................................................................. 2-11 
2.6.4  Temperature Controller Component Description And Location ....................................................... 2-11 
2.7  ELECTRONIC MODULES ....................................................................................................................... 2-15 
2.7.1  Overload Ground Fault Module (OGF) ............................................................................................ 2-15 
2.7.2  Phase Reversal Module (PRM) ....................................................................................................... 2-15 
2.8  OPTIONS................................................................................................................................................. 2-15 
2.8.1  Light Bar ........................................................................................................................................... 2-15 
2.8.2  Door/Remote Switch(es) .................................................................................................................. 2-15 
2.8.3  Out of Range Alarm/Shutdown ........................................................................................................ 2-15 
2.8.4  Remote Temperature Sensors ........................................................................................................ 2-16 
2.8.5  IntelliSet/ProductShield .................................................................................................................... 2-16 
2.8.6  Remote Control Panel ..................................................................................................................... 2-16 
2.9  ENGINE DATA ........................................................................................................................................ 2-16 
2.10  COMPRESSOR DATA ............................................................................................................................ 2-17 
2.11  REFRIGERATION SYSTEM DATA ........................................................................................................ 2-17