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Table of Contents

Contents

1 Introduction ............................................................................................. 2

1.1 Model name explanation ................................................................................. 2

1.2 Safety Cautions ............................................................................................... 3

2 List of functions ...................................................................................... 8

3 Specifications ......................................................................................... 9

4 Printed Circuit Board Connector Wiring Diagram .................................. 11

5 Functions and Control .......................................................................... 13

5.1 Main functions and control specification ....................................................... 13

5.2 The control system of outdoor unit ................................................................ 20

5.3 Value of thermistor ........................................................................................ 26

6 System configuration ............................................................................ 28

6.1System configuration ..................................................................................... 28

6.2 Instruction ..................................................................................................... 28

7 Service Diagnosis ................................................................................. 36

7.1 Caution for Diagnosis .................................................................................... 36

7.2 Problem Symptoms and Measures ............................................................... 36

7.3 Parameter of primary electronic appliance ................................................... 37

7.4 Error Codes and Description ......................................................................... 38

8 Installation ............................................................................................ 58

9 Removal of procedure .......................................................................... 73

10 Wiring diagrams ................................................................................. 85

11 Circuit Diagrams ................................................................................. 86

Domestic air conditioner

Haier 1U09BS2ERA User Manual

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