43
SERVICING TABLE OF CONTENTS
SERVICING TABLE OF CONTENTS
S-1 Checking Voltage ............................................ 46
S-2 Checking Wiring ............................................. 47
S-3 Checking Thermostat, Wiring, And
Anticipator........................................................... 47
S-3A Thermostat and Wiring ............................... 47
S-3B Cooling Anticipator ..................................... 47
S-3C Heating Anticipator ..................................... 48
S-4 Checking Transformer And control circuit . 48
S-7 Checking Contactor And/Or Relays .............. 48
S-8 Checking Contactor Contacts ....................... 49
S-9 Checking Fan Relay Contacts ......................... 49
S-11 Checking Loss Of Charge Protector ........... 50
S-12 Checking High Pressure Control ................ 51
S-13 Checking Low Pressure Control .................. 51
S-15 Checking Capacitor ...................................... 51
S-15A Resistance Check ......................................... 52
S-15B Capacitance Check ...................................... 52
S-16 Checking Motors .......................................... 53
S-16A Checking Fan And Blower Motor Windings
(Psc Motors) ........................................................ 53
S-16D Checking Eem (Energy Efficient Motor
Motors ................................................................. 53
S-17 Checking Compressor Windings .................. 54
S-17A Resistance Test ........................................... 54
S-17B Ground Test ............................................... 55
S-18 Testing crankcase heater (Optional Item) ... 55
S-18A Checking Crankcase Heater Thermostat ... 55
S-21 Checking Reversing Valve And Solenoid ..... 56
S-24 Testing Defrost Control .............................. 56
S-25 Testing Defrost Thermostat ........................ 56
S-50 Checking Heater Limit Control(s) ................ 57
S-52 Checking Heater Elements ............................ 57
S-100 Refrigeration Repair Practice.................... 57
(nitrogen or nitrogen-traced) ........................... 58
S-102 Evacuation .................................................. 58
S-103 Charging ..................................................... 59
S-104 Checking Compressor Efficiency ................ 60
S-104 Checking Compressor Efficiency ................ 60
S-106 Overfeeding ................................................ 60
S-108 Superheat ................................................... 60
S-109 Checking Subcooling.................................. 61
S-110 Checking Expansion Valve Operation ........ 61
S-111 Fixed Orifice Restriction Devices ............... 64
S-112 Checking Restricted Liquid Line ................. 64
S-113 Overcharge Of Refrigerant ....................... 64
S-114 Non-Condensables ..................................... 64
S-115 Compressor Burnout ................................. 65
S-200 Checking External Static Pressure ............ 65
S-201 Checking Temperature Rise ........................ 66
S-206 Indoor Fan Rotation Check ........................ 66
S-300 Testing Primary Limit Control .................. 66
S-301 Testing Auxiliary Limit ............................... 67
S-302 Checking Flame Rollout Switch ................. 68
S-303 Testing Inducer Motor .............................. 69
S-304 Testing Gas Valve ........................................ 69
S-305 Checking Main Burners.............................. 69
S-306 Checking Orifices........................................ 70
S-307 Checking Gas Pressure ............................... 70
S-308 Checking For Delayed Ignition ................... 71
S-309 Checking For Flashback ............................. 71
S-310 Checking Pressure Control ....................... 71
S-311 High Altitude Application .........................
S-313 Testing Ignition Control Module ............. 73
S-314 Checking Flame Sensor .............................. 75
Содержание DRG0361DL00001S
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