Service manual

1
2
62−11389
SECTION 2 −UNIT DESCRIPTION
PARAGRAPH NUMBER Page
2.1 INTRODUCTION 2−1.................................................................
2.2 GENERAL DESCRIPTION 2−1.........................................................
2.3 CONDENSING SECTION 2−7.........................................................
2.3.1 Engine 2−7......................................................................
2.3.2 Engine Air System 2−7............................................................
2.3.3 Engine Controls: 2−7.............................................................
2.3.4 Generator (GEN) 2−7.............................................................
2.3.5 Compressor 2−7.................................................................
2.3.6 Unloaders 2−7...................................................................
2.3.7 Compressor Switches, Transducers and Sensors 2−9.................................
2.3.8 Condenser Coil 2−10...............................................................
2.3.9 Ambient Air Temperature Sensor (AAT) 2−10..........................................
2.3.10 Filter-Drier 2−10...................................................................
2.3.11 Receiver 2−10....................................................................
2.4 EVAPORATOR SECTION 2−10.........................................................
2.4.1 Evaporator Coil 2−10..............................................................
2.4.2 Electronic Expansion Valve (EVXV) 2−10.............................................
2.4.3 Heat Exchanger 2−10..............................................................
2.4.4 Compressor Suction Modulation Valve (CSMV) 2−10...................................
2.4.5 Evaporator Switches, Transducers and Sensors 2−10..................................
2.5 SYSTEM OPERATING CONTROLS AND COMPONENTS 2−11............................
2.5.1 Multiple Languages 2−11...........................................................
2.5.2 Automatic Start-Stop 2
−11..........................................................
2.5.3 Special Features 2−11.............................................................
2.5.4 Component Description And Location 2−11...........................................
2.6 ELECTRONIC MODULES 2−15.........................................................
2.6.1 Overload Ground Fault Module (OGF) 2−15...........................................
2.6.2 Phase Reversal Module (PRM) 2−15.................................................
2.7 OPTIONS 2−15.......................................................................
2.7.1 Light Bar 2−15....................................................................
2.7.2 Remote Switch(es) 2−15...........................................................
2.7.3 Remote Temperature Sensors 2−16..................................................
2.7.4 Remote Control Panel 2−16.........................................................
2.8 ENGINE DATA 2−16...................................................................
2.9 COMPRESSOR DATA 2−17............................................................
2.10 REFRIGERATION SYSTEM DATA 2−17..................................................
2.11 ELECTRICAL DATA 2−17..............................................................
2.12 COMPONENT RESISTANCE & CURRENT DRAW DATA 2−18..............................
2.13 SAFETY DEVICES 2−19...............................................................
2.14 REFRIGERANT CIRCUIT DURING COOLING 2−20.......................................
2.15 REFRIGERANT CIRCUIT - HEATING AND DEFROSTING 2−20............................