Haier 2U18MS2VHB Service Manual page 93

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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Table of Contents

MEDIUM STATIC DUCTED (PRO SERIES) TECHNICAL OVERVIEW

Components ......................................................................................................................................................................... H-2

Component Overview .........................................................................................................................................................H-2

Indoor Unit Circuit Board .....................................................................................................................................................H-3

Ductwork/Grilles .................................................................................................................................................................. H-5

Testing .................................................................................................................................................................................. H-6

Test Condensate Pump and Float Switch ...........................................................................................................................H-6

Testing Communication Circuit ..........................................................................................................................................H-6

Testing Temperature Sensors .............................................................................................................................................H-7

Indoor Fan Motor Voltage Check ........................................................................................................................................H-7

Wiring Diagram ..................................................................................................................................................................... H-8

DIP Switch Settings .............................................................................................................................................................. H-9

Error Codes ......................................................................................................................................................................... H-10

MEDIUM STATIC DUCTED (PRO SERIES) TECHNICAL OVERVIEW

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Table of Contents