SERVICE MANUAL
ROOM AIR CONDITIONER
TAN/TAG-A28IV
TAN/TAG-A32IV
TAN/TAG-A53IV
CONTENTS
SPECIFICATION .................................................................... 1
FUNCTIONS .......................................................................... 7
SERVICE FUNCTION EXPLANATION .................................. 9
OPERATION DETAILS......................................................... 10
TROUBLESHOOTING GUIDE ............................................. 16
PERFORMANCE CURVE DIAGRAM ..................................22
ELECTRIC CIRCUIT DIAGRAM .......................................... 26
SCHEMATIC DIAGRAM AND PCB’S .................................. 30
PARTS LIST (PCB) .............................................................. 40
SEMICONDUCTOR LEAD IDENTIFICATION...................... 51
SEMICONDUCTOR PIN FUNCTION................................... 55
THERMISTOR RESISTANCE CHART ................................. 60
EXPLODED VIEW (INDOOR UNIT) .................................... 68
EXPLODED VIEW (OUTDOOR UNIT) ................................ 71
PARTS LIST (INDOOR UNIT) .............................................. 73
PARTS LIST (OUTDOOR UNIT) .......................................... 74
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