Haier 2U18MS2VHB Service Manual page 37

Ductless multi-split heat pump, outdoor/indoor, wall mount - highwall, 2'x2' compact cassette, 3'x3' large cassette, slim duct, mid-static ducted, medium static ducted, console

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Contents
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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

WALL MOUNT TECHNICAL OVERVIEW

Table of Contents

WALL MOUNT TECHNICAL OVERVIEW

AW07LC2VHB

AW09LC2VHB

AW12LC2VHB

AW18LC2VHB

AW24LP2VHA

C-1

Table of Contents