Carrier VECTOR 1550 Series - Page 10

62-61753-21 vi
248 CONFIGURATION MODE / HP2 ERROR .................................................................................... 7-94
249 MICROPROCESSOR ERROR ..................................................................................................... 7-95
SECTION 8 - SERVICE .......................................................................................................................................... 8-1
8.1 SECTION LAYOUT ................................................................................................................................... 8-1
8.2 SCHEDULED MAINTENANCE ................................................................................................................. 8-1
8.3 PRETRIP INSPECTION ............................................................................................................................ 8-3
8.4 ENGINE SERVICE AND COMPONENTS ................................................................................................ 8-4
8.4.1 Fuel System ....................................................................................................................................... 8-4
8.4.2 Priming the Fuel System .................................................................................................................... 8-4
8.4.3 Mechanical Fuel Pump Filter ............................................................................................................. 8-4
8.4.4 Electric Pump Filter ............................................................................................................................ 8-5
8.4.5 Fuel Filter ........................................................................................................................................... 8-5
8.4.6 Fuel Level Sensor (FLS) .................................................................................................................... 8-5
8.4.7 Lube Oil Filter ..................................................................................................................................... 8-5
8.4.8 Engine Air Cleaner ............................................................................................................................. 8-6
8.4.9 Engine Speed Adjustment ................................................................................................................. 8-6
8.4.10 Radiator ............................................................................................................................................. 8-7
8.4.11 Water Pump V-Belt ............................................................................................................................ 8-7
8.4.12 Engine Speed Sensor ........................................................................................................................ 8-7
8.4.13 Crankcase Breather ........................................................................................................................... 8-7
8.4.14 Servicing Glow Plugs ......................................................................................................................... 8-8
8.5 REFRIGERANT SYSTEM SERVICE ........................................................................................................ 8-8
8.5.1 Removing The R-404A Refrigerant Charge ...................................................................................... 8-8
8.5.2 Removing The R-452A Refrigerant Charge ...................................................................................... 8-9
8.5.3 Refrigerant Leak Checking .............................................................................................................. 8-15
8.5.4 Evacuation ....................................................................................................................................... 8-15
8.5.5 Adding Refrigerant To System ......................................................................................................... 8-16
8.5.6 Checking For Noncondensibles ....................................................................................................... 8-17
8.6 REFRIGERANT SYSTEM COMPONENT SERVICE ............................................................................. 8-17
8.6.1 Compressor ..................................................................................................................................... 8-17
8.6.2 Evaporator Coil ................................................................................................................................ 8-18
8.6.3 Condenser Coil ................................................................................................................................ 8-19
8.6.4 Economizer Heat Exchanger ........................................................................................................... 8-19
8.6.5 Filter Drier ........................................................................................................................................ 8-20
8.6.6 Sight Glass Assembly ...................................................................................................................... 8-20
8.6.7 Compressor Suction Modulation Valve (CSMV) .............................................................................. 8-20
8.6.8 Electronic Expansion Valve ............................................................................................................. 8-22
8.6.9 Economizer, Unloader, & Liquid Injection Solenoid Valves ............................................................. 8-24
8.6.10 Economizer Thermostatic Expansion Valve .................................................................................... 8-25
8.6.11 High Pressure Switch ...................................................................................................................... 8-25
8.6.12 Pressure Transducers ..................................................................................................................... 8-26
8.6.13 Defrost Air Switch ............................................................................................................................ 8-26
8.7 ELECTRICAL SYSTEM COMPONENT SERVICE ................................................................................. 8-27
8.7.1 Heaters ............................................................................................................................................ 8-27
8.7.2 Evaporator Fan & Motor .................................................................................................................. 8-27
8.7.3 Condenser Fan & Motor Assemblies ............................................................................................... 8-28
8.7.4 Battery Charger(s) ........................................................................................................................... 8-28
8.7.5 Generator ......................................................................................................................................... 8-28
8.7.6 Compressor Discharge Temperature Sensor ................................................................................. 8-33
8.7.7 Sensor Checkout ............................................................................................................................. 8-33
SECTION 9 Temperature Pressure Chart ........................................................................................................... 9-37
SECTION 10 - TROUBLESHOOTING ................................................................................................................. 10-1
10.1 DIESEL ENGINE ..................................................................................................................................... 10-1