Goodmans ASX - Manual (Page 34)

SERVICING
34
HIGH VOLTAGE!
Disconnect ALL power before servicing or installing. Multiple power sources may be present. Failure to
do so may cause property damage, personal injury or death.
S-1 Checking Voltage .......................................... 35
S-2 Checking Wiring ............................................ 35
S-3 Checking Thermostat, Wiring & Anticipator .. 35
S-3A Thermostat & Wiring ..................................... 35
S-3B Cooling Anticipator ........................................ 36
S-3C Heating Anticipator ........................................ 36
S-3D Checking Encoded Thermostats ................... 36
S-4 Checking Transformer & Control Circuit ....... 37
S-5 Checking Cycle Protector ............................. 37
S-6 Checking Time Delay Relay .......................... 37
S-7 Checking Contactor and/or Relays ................ 38
S-8 Checking Contactor Contacts ....................... 38
S-9 Checking Fan Relay Contact ........................ 38
S-10 Copeland Comfort™ Alert Diagnositics ......... 39
S-11 Checking Loss of Charge Protector ............... 41
S-12 Checking High Pressure Control ................... 41
S-13 Checking Low Pressure Control .................... 41
S-15 Checking Capacitor ....................................... 41
S-15A Resistance Check ......................................... 42
S-15B Capacitance Check ....................................... 42
S-16A Checking Fan & Blower Motor
Windings (PSC Motors) ............................... 43
S-16B Checking Fan & Blower Motor (ECM Motors) 43
S-16C Checking ECM Motor Windings .................... 46
S-16D ECM CFM Adjustments ................................ 46
S-16E Blower Performance Data .............................. 48
S-16F Checking GE X13™ Motors .......................... 48
S-17 Checking Compressor Windings ................... 49
S-17A Resistance Test ............................................ 49
S-17B Ground Test .................................................. 49
S-17C Unloader Test ................................................ 50
S-17D Operation Test .............................................. 50
S-18 Testing Crankcase Heater (optional item) ..... 51
S-21 Checking Reversing Valve and Solenoid ........ 51
S-24 Testing Defrost Control .................................. 51
S-25 Testing Defrost Thermostat ........................... 51
S-26 Checking Heater Limit Control(s) .................. 52
S-27 Checking Heater Elements ............................... 52
S-40 MBR/ARUF Electronic Blower Time Delay
with Single Stage Air Conditioners
& Heat Pumps .................................................. 52
S-41 MBE/AEPF with GSX, SSX, ASX, DSX
Air Conditioners ................................................ 54
S-41A MBE/AEPF with GSZ, SSZ, ASZ
Heat Pumps ...................................................... 55
S-60 Electric Heater (optional item) ........................... 58
S-61A Checking Heater Limit Control(S) ...................... 59
S-61B Checking Heater Fuse Line ............................... 59
S-62 Checking Heater Elements ............................... 59
S-100 Refrigeration Repair Practice ............................. 60
S-101 Leak Testing ..................................................... 60
S-102 Evacuation ........................................................ 60
S-103 Charging ............................................................ 61
S-104 Checking Compressor Efficiency ...................... 62
S-105A Piston Chart - ASX13, GSX13, SSX14,
ASX14, ASZ13, GSZ13 Units ............................ 63
S-105B Thermostatic Expansion Valve .......................... 63
S-106 Overfeeding ....................................................... 66
S-107 Underfeeding ..................................................... 66
S-108 Superheat ......................................................... 66
S-109 Checking Subcooling ........................................ 66
S-109A Two Speed Application ...................................... 67
S-109B Heat Pump Heating Mode ................................. 67
S-110 Checking Expansion Valve Operation ............... 67
S-111 Fixed Orifice Restriction Devices ...................... 67
S-112 Checking Restricted Liquid Line ........................ 68
S-113 Refrigerant Overcharge ...................................... 68
S-114 Non-condensables ............................................ 68
S-115 Compressor Burnout ......................................... 68
S-120 Refrigerant Piping .............................................. 69
S-202 Duct Static Pressure
& Static Pressure Drop Across Coils ................ 71
S-203 Air Handler External Static ............................... 71
S-204 Coil Static Pressure Drop ................................. 72