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CONTENTS

CONTENTS ....................................................................................................................................... 1

SAFETY PRECAUTIONS ..................................................................................................................... 2

ELECTRICAL SAFETY ..................................................................................................................... 3

GENERAL SAFETY ......................................................................................................................... 4

1 EXPLODED DIAGRAMS AND PART LISTS ...................................................................................... 5

1.1 WTC8001W AND WTC12001W ............................................................................................. 5

1.2 WTC WCO MODELS ............................................................................................................... 7

1.3 DIMENSIONS ......................................................................................................................... 9

2 WIRING DIAGRAM (ALL MODELS) .............................................................................................. 10

3 MAIN COMPONENTS.................................................................................................................. 11

3.1 MAJOR PARTS ..................................................................................................................... 11

3.2 ELECTRONIC CONTROL BOX AND MAIN PCB ...................................................................... 11

4 UNIT OPERATION ....................................................................................................................... 12

4.1 DISPLAY PANEL CONTROLS ................................................................................................. 12

4.2 REMOTE CONTROL .............................................................................................................. 14

5 INSTALLATION AND CLEANING .................................................................................................. 15

5.1 PROPER INSTALLATION AND DRAINAGE............................................................................. 15

5.2 CLEANING THE FILTER ......................................................................................................... 16

6 MODES AND OPERATING CONDITIONS ..................................................................................... 17

6.1 TERMS AND DEFINITIONS ................................................................................................... 17

6.2 PROTECTION FUNCTIONS ................................................................................................... 17

6.3 AUTO MODE ........................................................................................................................ 17

6.4 FAN-ONLY MODE ................................................................................................................ 17

6.5 COOLING MODE .................................................................................................................. 18

6.6 AUTO-DEFROST FUNCTION ................................................................................................. 18

6.7 DRY MODE ........................................................................................................................... 19

6.8 SLEEP MODE ........................................................................................................................ 19

7 TROUBLESHOOTING ................................................................................................................... 20

7.1 TROUBLESHOOTING GUIDE ................................................................................................ 20

7.2 ERROR CODES AND SENSOR MALFUNCTIONS .................................................................... 21

7.3 TEMPERATURE SENSOR RESISTANCE TEST TABLE .............................................................. 22

Koldfront WTC8001W Service Manual

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