Haier USYM18UCDSA - Introduction

INTRODUCTION
A-1
ENGLISH
INTRODUCTION
Table of Contents
Safety & Precautions............................................................................................................................................................. A-2
Specications ....................................................................................................................................................................... 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Conict ............................................................................................................................................. A-7
 AbnormalityConrmation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