Servicing Table Of Contents - Daikin ComfortNet DX18TC Service Instructions Manual

SERVICING
S-1 CHECKING VOLTAGE ............................................... 30
S-2 CHECKING WIRING .................................................. 30
S-3E CTK0*** COMFORTNET
S-6 CHECKING TIME DELAY RELAY ............................... 43
S-8A CHECKING UNITARY (UC) CONTROL
COMPRESSOR CONTACTOR/RELAY
CONTACTS ............................................................ 43
S-9 CHECKING HIGH AND LOW VOLTAGE
TO ECM MOTOR ................................................... 44
S-10A COPELAND COMFORT ALERT
UNITARY (UC) CONTROL DIAGNOSTICS ............ 44
S-12 CHECKING HIGH PRESSURE CONTROL ............... 59
S-13 CHECKING LOW PRESSURE CONTROL ............... 59
S-14 CHECKING HIGH AND
LOW PRESSURE SWITCH VOLTAGE .................. 59
S-15 CHECKING CAPACITOR ........................................... 59
S-15A RESISTANCE CHECK USING A
DIGITAL MULTI-METER .......................................... 59
S-15B CAPACITANCE CHECK USING A
DIGITAL MULTI-METER
(IN CAPACITANCE MODE) .................................... 60
S-16G CHECKING EMERSON
ULTRATECH TM ECM MOTORS .............................. 60
S-16H ECM CFM ADJUSTMENTS DVPTC/MBVC ................ 63
S-17 CHECKING COMPRESSOR ..................................... 68
S-17A RESISTANCE TEST .................................................. 68
S-17B GROUND TEST ......................................................... 68
S-17C UNLOADER TEST PROCEDURE ............................ 69
S-17D OPERATION TEST .................................................... 69
S-18 TESTING CRANKCASE HEATER
(OPTIONAL ITEM) .................................................. 70

SERVICING TABLE OF CONTENTS

TM
THERMOSTAT ............... 30
TM
- ........................... 44
S-21 CHECKING REVERSING VALVE AND SOLENOID .... 70
S-24 TESTING DEFROST CONTROL .............................. 70
S-26 TESTING TEMPERATURE SENSORS
(COMFORTNET READY MODELS ONLY) ............ 71
S-40A DVPTC/MBVC ELECTRONIC
BLOWER/HEATER CONTROL ............................. 71
S-60 ELECTRIC HEATER (OPTIONAL ITEM) .................... 76
S-61A CHECKING HEATER LIMIT CONTROL(S) ................ 77
S-61B CHECKING HEATER FUSE LINK .............................. 77
(OPTIONAL ELECTRIC HEATERS) ........................... 77
S-62 CHECKING HEATER ELEMENTS ............................. 77
S-100 REFRIGERATION REPAIR PRACTICE ..................... 77
S--101 LEAK TESTING
(NITROGEN OR NITROGEN-TRACED) ................ 78
S-102 EVACUATION ............................................................. 78
S-103 CHARGING ................................................................ 79
S-104 CHECKING COMPRESSOR EFFICIENCY ............... 80
S-106 OVERFEEDING ......................................................... 80
S-107 UNDERFEEDING ....................................................... 80
S-108 SUPERHEAT ............................................................. 80
S-109 CHECKING SUBCOOLING ........................................ 81
S-110 CHECKING EXPANSION VALVE OPERATION .......... 81
S-112 CHECKING RESTRICTED LIQUID LINE ................... 81
S-113 OVERCHARGE OF REFRIGERANT ......................... 82
S-114 NON-CONDENSABLES ............................................ 82
S-115 COMPRESSOR BURNOUT ...................................... 85
S-120 REFRIGERANT PIPING ............................................. 85
S-203 SINGLE PIECE AIR HANDLER
EXTERNAL STATIC PRESSURE ........................... 86
S-203A TWO PIECE AIR HANDLER
EXTERNAL STATIC PRESSURE ........................... 86
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