Carrier 69NT40-511-310 - Page 10

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T -296
TABLE OF CONTENTS -- Continued
PARAGRAPH NUMBER Page
5.5 UNIT WILL NOT TERMINATE HEATING 5-2................................................
5.6 UNIT WILL NOT DEFROST PROPERLY 5-2................................................
5.7 ABNORMAL PRESSURES (COOLING) 5-3.................................................
5.8 ABNORMAL NOISE OR VIBRATIONS 5-3..................................................
5.9 CONTROLLER MALFUNCTION 5-3........................................................
5.10 NO EVAPORATOR AIR FLOW OR RESTRICTED AIR FLOW 5-4..............................
5.11 THERMOSTATIC EXPANSION VALVE MALFUNCTION 5-4...................................
5.12 AUTOTRANSFORMER MALFUNCTION 5-4................................................
5.13 W ATER-COOLED CONDENSER OR WATER PRESSURE SWITCH 5-4........................
SERVICE 6-1....................................................................................
6.1 SECTION LAYOUT 6-1...................................................................
6.2 SERVICE VALVES 6-1....................................................................
6.3. MANIFOLD GAUGE SET 6-1..............................................................
6.4 PUMPING THE UNIT DOWN 6-2..........................................................
6.5 REFRIGERANT LEAK CHECKING 6-3.....................................................
6.6 EVACUATION AND DEHYDRATION 6-3....................................................
6.6.1 General 6-3..........................................................................
6.6.2 Preparation 6-3.......................................................................
6.6.3 Procedure - Complete system 6-3.......................................................
6.6.4 Procedure - Partial System 6-4.........................................................
6.7 REFRIGERANT CHARGE 6-4.............................................................
6.7.1 Checking the Refrigerant Charge 6-4....................................................
6.7.2 Adding Refrigerant to System (Full Charge) 6-4...........................................
6.7.3 Adding Refrigerant to System (Partial Charge) 6-4........................................
6.8 COMPRESSOR 6-5......................................................................
6.8.1 Removal and Replacement of Compressor 6-5...........................................
6.8.2 Compressor Disassembly 6-5..........................................................
6.8.3 Compressor Reassembly 6-8...........................................................
6.8.4 Preparation 6-8.......................................................................
6.8.5 Installing the Components 6-9..........................................................
6.8.6 Compressor Oil Level 6-9..............................................................
6.9 HIGH PRESSURE SWITCH 6-10...........................................................
6.9.1 Replacing High Pressure Switch 6-10.....................................................
6.9.2 Checking High Pressure Switch 6-10.....................................................
6.10 CONDENSER COIL 6-10..................................................................
6.11 CONDENSER FAN AND MOTOR ASSEMBLY 6-10...........................................
6.12 W ATER COOLED CONDENSER CLEANING 6-11............................................
6.13 FILTER-DRIER 6-12.......................................................................
6.14 THERMOSTATIC EXPANSIO N VALVE 6-12..................................................
6.14.1 Checking Superheat. 6-13..............................................................
6.14.2 Hermetic Valve Replacement 6-13.......................................................
6.14.3 Semi--Hermetic Valve Replacement 6-14..................................................
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