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TABLE OF CONTENTS - Continued
3.4 CEILING UNIT - DUCTED SYSTEMS 3-4...................................................
3.4.1 Filter Removal 3-4....................................................................
3.4.2 Ceiling Grill Removal 3-4..............................................................
3.4.3 Control Box Assembly Removal 3-4.....................................................
3.4.4 Main PCB Board Removal 3-5..........................................................
3.4.5 PCB Display Removal 3-5.............................................................
3.4.6 Fuse Removal 3-5....................................................................
3.5 SERVICE - UPPER UNIT - STANDARD, HC & HP 3-5........................................
3.5.1 Exterior C over Removal 3-5............................................................
3.5.2 Compressor Replacement 3-6..........................................................
3.5.3 Control Box Assembly Removal 3-6.....................................................
3.5.4 Upper Scroll Assembly Removal 3-7....................................................
3.5.5 Motor Assembly and Condenser Fan Removal 3-7........................................
3.5.6 Evaporator Blower Wheel Adjustment or Removal 3-8.....................................
3.5.7 Air Handling System Removal 3-8......................................................
3.5.8 Capacitor Troubleshooting 3-9..........................................................
3.5.9 Capacitor Testing and Replacement 3-9.................................................
3.5.10 Positive Temperature Coefficient Thermister (PTC) (Start Thermistor) Troubleshooting 3-9.....
3.5.11 Line Voltage - 10% 3-9................................................................
3.6 SERVICE - UPPER UNIT - LOW PROFILE 3-10..............................................
3.6.1 Exterior C over Removal 3-10............................................................
3.6.2 Upper Scroll Assembly Removal 3-10....................................................
3.6.3 Condenser Fan Assembly Removal 3-11..................................................
3.6.4 Condenser Motor Removal 3-12.........................................................
3.6.5 Evaporator Motor/Blower Assembly Removal 3-12.........................................
3.6.6 Compressor Replacement 3-13..........................................................
3.6.7 Capacitor Removal 3-13................................................................
3.6.8 Remote Control (Fahrenheit to Celsius) 3-13..............................................
3.7 THERMOSTAT INSTALLATION AND START-UP INSTRUCTIONS (WALL MOUNTED) 3-15........
3.7.1 Introduction 3-15......................................................................
3.7.2 Installation 3-15.......................................................................
3.7.3 Thermostat Location 3-15...............................................................
3.7.4 Install Thermostat - 12VDC 3-15.........................................................
3.8 LCD DISPLAY 3-15.......................................................................
3.8.1 Cool Only Thermostat 3-15.............................................................
3.8.2 Heat/Cool Thermostat 3-15.............................................................
3.9 SET THERMOSTAT CONFIGURATION 3-15.................................................
3.9.1 Enter Configuration Mode 3-15..........................................................
3.10 CHECK THERMOSTAT OPERATION 3-16...................................................
3.10.1 Fan Operation (Cool Only) 3-16..........................................................
3.10.2 Fan Operation (Heat/Cool) 3-16.........................................................
3.10.3 Cooling Operation (Cool Only) 3-16......................................................
3.10.4 Cooling Operation (Heat/Cool) 3-16......................................................
3.10.5 Heating Operation (Heat/Cool) 3-16......................................................