Carrier 69NT40-561-201 - Page 8

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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.....................................................................