Haier USYM18UCDSA - Wall Mount Technical Overview; Components

WALL MOUNT TECHNICAL OVERVIEW
C-1
ENGLISH
WALL MOUNT TECHNICAL OVERVIEW
Table of Contents
Components ......................................................................................................................................................................... C-2
Component Overview ......................................................................................................................................................... C-2
Indoor Wall Mount Unit Circuit Board ................................................................................................................................. C-3
Testing .................................................................................................................................................................................. C-5
Accessing Components/Removing Cover......................................................................................................................... C-5
Indoor Fan Motor Voltage Check ........................................................................................................................................ C-6
Replacing the Blower Motor ................................................................................................................................................ C-6
Testing Temperature Sensors ............................................................................................................................................. C-8
Testing Louver Motors ........................................................................................................................................................ C-8
Testing Communication Circuit .......................................................................................................................................... C-8
Wiring Diagram ..................................................................................................................................................................... C-9
Error Codes ......................................................................................................................................................................... C-10
AW07LC2VHB
AW09LC2VHB
AW12LC2VHB
AW18LC2VHB
AW24LP2VHA