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Haier
Air Conditioner
1U09BS2ERA
Haier 1U09BS2ERA User Manual
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2
I
n
t
r
o
d
u
c
t
i
o
n
Indoor unit
T
ype of indoor unit: S (wall-mounted)
Nominal cooling capacity (9000BTU/h)
Platform of indoor units: G (G platform)
Super-match range
A
V
ersion number
Heat pump & R410A
refrigerant
DC inverter
Apply toT1; 220~240V50HZ/1ph
A
S
1
2
G
S
1
E
R
A
2
4
Table of Contents
Default Chapter
2
Table of Contents
2
1 Introduction
3
Safety Cautions
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Using Icons
8
Using Icons List
8
2 List of Functions
9
3 Specifications
10
4 Printed Circuit Board Connector Wiring Diagram
12
5 Functions and Control
17
Main Functions and Control Specification
17
Dehumidifying Mode
18
The Control System of Outdoor Unit
24
The Outdoor Fan Control (Exchange Fan)
26
Protection Function
27
Value of Thermistor
31
6 System Configuration
38
Parts and Functions
39
Indoor Unit
39
Remote Controller
39
Display Board
39
Outdoor Unit
39
Test Operation
41
Healthy Airflow Operation
42
Replacement of Air Purifying Filter
43
Trouble Shooting
45
7 Service Diagnosis
46
Parameter of Primary Electronic Appliance
47
Thermistor or Related Abnormality
49
Indoor Ac Fan Motor Malfunction
50
Outdoor DC Fan Motor Fault
53
Ipm Protection
54
The Communication Fault between Ipm and Outdoor Pcb
56
Overheat Protection for Discharge Temperature
57
Eeprom Abnormal
58
Communication Error between the Indoor and Outdoor Units
59
Power Supply over or under Voltage Fault
61
Loop of the Station Detect Error
62
8 Installation
67
Indoor Unit Installaion
70
Indoor Unit Installation
71
Installation Procedure
74
9 Removal of Procedure
80
Removal of Outdoor Panel
92
Removal of Electrical Box
95
Removal of Fan and Fan Motor
96
Removal of Compressor and Heat Exchanger
100
10 Wiring Diagrams
102
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Haier 1U09BS2ERA Specifications
General
Brand
Haier
Model
1U09BS2ERA
Category
Air Conditioner
Language
English
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