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Table Of Contents - Haier 2U18MS2VHB Service Manual

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
Safety & Precautions............................................................................................................................................................. A-2
Specifications ....................................................................................................................................................................... A-3
Outdoor Units ..................................................................................................................................................................... A-3
Highwall Indoor ................................................................................................................................................................... A-4
Ducted Indoor ..................................................................................................................................................................... A-4
Cassette Indoor .................................................................................................................................................................. A-5
Console Indoor .................................................................................................................................................................... A-5
Mid-Static Ducted Indoor ................................................................................................................................................... A-5
Functions and Control ........................................................................................................................................................... A-6
Auto Mode ............................................................................................................................................................................ A-6
Cooling Operation Mode ..................................................................................................................................................... A-6
Dry Mode (Dehumidifying Mode) ........................................................................................................................................ A-6
Heat Mode ............................................................................................................................................................................ A-7
Indoor Fan Control ............................................................................................................................................................... A-7
Cold Air-Proof Operation .................................................................................................................................................... A-7
Timing .................................................................................................................................................................................. A-7
Indoor System Mode Conflict ............................................................................................................................................. A-7
Abnormality Confirmation Approaches ............................................................................................................................. A-8
Low Load Protection Control .............................................................................................................................................. A-8
High Load Protection Control ............................................................................................................................................. A-8
When the Compressor First Starts ..................................................................................................................................... A-8
The Outdoor Fan Control (Exchange Fan) .......................................................................................................................... A-8
The Outdoor Fan Control When In Cooling or Dehumidifying Mode ................................................................................ A-8
The Control of the Outdoor Unit Expansion Valve ............................................................................................................ A-8
Four-Way Valve Control ...................................................................................................................................................... A-8
Antifreezing Protection ....................................................................................................................................................... A-8
Over-Temperature Heat Mode Indoor Coil......................................................................................................................... A-9
INTRODUCTION

Table of Contents

INTRODUCTION
A-1

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