Outdoor Unit Controls & Components
Table of Contents
Outdoor Unit Introduction ................................................................................................................................................. 8
Outdoor Component Identification .................................................................................................................................... 8
Outdoor Main Control Board .............................................................................................................................................. 9
Terminal Block .................................................................................................................................................................. 10
Reactor ............................................................................................................................................................................ 10
Compressor ..................................................................................................................................................................... 10
Outdoor Fan Motor ........................................................................................................................................................... 10
Discharge Temperature Sensor ........................................................................................................................................ 11
Defrost Temperature Sensor ............................................................................................................................................ 11
Suction Line Temperature Sensor ..................................................................................................................................... 11
4-Way Valve ..................................................................................................................................................................... 12
Electronic Expansion Valve ............................................................................................................................................... 12
Accumulator .................................................................................................................................................................... 12
Filters ............................................................................................................................................................................... 12
Electrical Base Pan Heater ................................................................................................................................................ 12
DIP Switch ........................................................................................................................................................................ 13
OUTDOOR UNIT CONTROLS & COMPONENTS
PAGE 7