Carrier 69NT40-561-201 - Page 7

iv
T-364
TABLE OF CONTENTS (Continued)
PARAGRAPH NUMBER Page
TROUBLESHOOTING 5−1.........................................................................
5.1 UNIT WILL NOT START OR STARTS THEN STOPS 5−1......................................
5.2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING 5−1..............................
5.3 UNIT RUNS BUT HAS INSUFFICIENT COOLING 5−2........................................
5.4 UNIT WILL NOT HEAT OR HAS INSUFFICIENT HEATING 5−2................................
5.5 UNIT WILL NOT TERMINATE HEATING 5−2................................................
5.6 UNIT WILL NOT DEFROST PROPERLY 5−2................................................
5.7 ABNORMAL PRESSURES 5−3............................................................
5.8 ABNORMAL NOISE OR VIBRATIONS 5−3..................................................
5.9 MICROPROCESSOR MALFUNCTION 5−3..................................................
5.10 NO EVAPORATOR AIR FLOW OR RESTRICTED AIR FLOW 5−4..............................
5.11 ELECTRONIC EXPANSION VALVE MALFUNCTION 5−4......................................
5.12 COMPRESSOR OPERATING IN REVERSE 5−5.............................................
5.13 ABNORMAL TEMPERATURES 5−5........................................................
5.14 ABNORMAL CURRENTS 5−5..............................................................
SERVICE 6−1....................................................................................
6.1 SECTION LAYOUT 6−1...................................................................
6.2 MANIFOLD GAUGE SET 6−1..............................................................
6.3 SERVICE CONNECTIONS 6−2............................................................
6.4 PUMP DOWN THE UNIT 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 Complete System 6−3.................................................................
6.6.4 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...........................................
6.9 HIGH PRESSURE SWITCH 6−6...........................................................
6.9.1 Checking High Pressure Switch 6−6.....................................................
6.9.2 Replacing High Pressure Switch 6−6.....................................................
6.10 CONDENSER COIL 6−7..................................................................
6.10.1 Condenser Coil Cleaning 6−7...........................................................
6.10.2 Condenser Coil Removal 6−7...........................................................
6.10.3 Condenser Coil Preparation 6−7........................................................
6.10.4 Condenser Coil Installation 6−7.........................................................
6.11 CONDENSER FAN AND FAN MOTOR 6−8..................................................
6.11.1 Condenser Fan Remove/Replace 6−8...................................................