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HSU-09HEG03/R2(DB)
Haier HSU-09HEG03/R2(DB) Service Manual
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SER
VICE
MANUAL
Order No. AC1011S00
4
V0
Haier Group
outdoor unit
indoor unit and remote controller
HSU-09HEG03/R2(DB)
HSU09VHG(DB)
EK
2011
2
Table of Contents
Service Manual
1
Table of Contents
3
Caution in Repair
4
Safety Cautions
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Indoor Unit Connectors
12
Printed Circuit Board Connector Wiring Diagram
12
Automatic Operation
17
Funcitions and Control
17
Heating Operation Mode
18
The Control System of Outdoor Unit
25
The Outdoor Fan Control (Exchange Fan)
27
Protection Function
28
Value of Thermistor
32
Display Board
45
Indoor Unit
45
Outdoor Unit
45
Parts and Functions
45
Remote Controller
45
Emergency Operation
46
Fan Speed Selection
46
Test Operation
46
Sleep Operation
47
Healthy Airflow Operation
48
Replacement of Air Purifying Filter
49
Specifications
51
Trouble Shooting
51
Service Diagnosis
52
Error Codes and Description Indoor Display
53
Thermistor or Related Abnormality
54
Eeprom Abnormal
55
Indoor Ac Fan Motor Malfunction
56
Outdoor DC Fan Motor Fault
57
Ipm Protection
58
The Communication Fault between Ipm and Outdoor Pcb
60
The Communication Fault between Indoor and Outdoor
63
Loss of Synchronism Detection
66
Installation Manual of Room Air Conditioner
68
Removal of Front Panel
74
Removal of Heat Exchanger
80
Removal of Fan Rotor and Fan Motor
82
Removal of Outdoor Panel
84
Removal of Electrical Box
87
Removal of Fan and Fan Motor
88
Removal of Fan Motor Bracket and Partition
89
Removal of Compressor and Heat Exchanger
90
Wiring Diagrams
92
Outdoor Unit
93
Circuit Diagrams
94
Description of Coding Rules of Unit Model
97
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Haier HSU-09HEG03/R2(DB) Specifications
General
Brand
Haier
Model
HSU-09HEG03/R2(DB)
Category
Air Conditioner
Language
English
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