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HSU-18HEA03/R2(DB)-I
Haier HSU-18HEA03/R2(DB)-I User Manual
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HSU-18HEA03/R2(DB)-I
Removal Procedure
Domestic Air
Conditioner
93
Step
Procedure
Points
2. Remove the panels.
1
Loosen the 4 screws
and lift the top panel
2
Loosen the screws
of the panel.
3
Pull and remove
the front panel.
94
96
Table of Contents
Default Chapter
1
Service Manual
1
Wall Mounted Type
1
Table of Contents
2
1 Introduction
3
Caution in Repair
3
Safety Cautions
3
Cautions Regarding Products after Repair
4
Inspection after Repair
6
2 List of Functions
7
Specifications
8
Indoor Unit Connectors
10
4 Printed Circuit Board Connector Wiring Diagram
10
Outdoor Unit
11
Cooling Operation Mode
14
Dehumidification Mode
14
5 Funcitions and Control
14
Main Functions and Control Specification of Indoor Unit
14
Heating Operation Mode
15
Strength Operation
15
Air Refreshing
16
Dormant Operation
16
Mute Operation
16
Timing
16
High Load Protection Control
17
Low Load Protection Control
17
Urgent On/Off Input
17
Abnormality Confirmation Approaches
18
Malfunction List Resume
18
Power Cut Compensation
18
The Control System of Outdoor Unit
19
The Operation Frequency of Outdoor Unit and Its Control
19
The Outdoor Fan Control (Exchange Fan)
19
The Starting of Compressor
19
Four Way Control
20
The Outdoor Defrosting Control
20
The Outdoor Fan Control When Heating
20
Protection Function
21
TC High Temperature-Preventing Control of the Indoor Heating Unit
21
TTC High Temperature-Preventing Protection
21
The Control of Preventing the Overcurrent of the Compressor
22
The Protection Function of AC Current
22
Antifreezing Protection of the Indoor Heat Exchanger
23
Malfunction Display and Malfunction Handling
23
Temperature Protection of the Outdoor Refrigerating Coil
23
The Socket Protect
23
Value of Thermistor
24
System Configuration
34
Cautions
35
Disposal of the Old Air Conditioner
35
Safety Instructions and Warnings
35
Safe Installation
37
Safety Instruction
37
Parts and Functions
39
Product View
39
Clock Set
41
Loading of the Battery
41
Remote Controller's Operation
41
Health Anion Function
42
Operation
42
Auto Operation
43
Cool Operation
44
Dry Operation
45
Fan Operation
46
Heat Operation
47
Air Flow Direction Adjustment
48
Remote Controller
49
Sleep Operation
49
Timer On/Off Operation
50
Timer On-Off Operation
51
POWER/SOFT Operation
52
Health Airflow Operation
53
Emergency and Test Operation
54
Removal of the Restriction of Emergency or Test Operation
54
Maintenance
55
Replacement of Air Purifying Filter
56
To Keep Your Air Conditioner in Good Condition after Season
57
Wireless Remote Controller
57
Before Setting in High Season
58
Cleaning the Standard Air Filter
58
Trouble Shooting
59
Caution for Diagnosis
60
Error Codes and Description Indoor Display
60
Problem Symptoms and Measures
60
Service Diagnosis
60
Thermistor or Related Abnormality (Indoor Unit)
61
Fan Motor (DC Motor) or Related Abnormality
62
Indoor EEPROM Abnormal
64
IPM Protection
65
The Communication Fault between IPM and Outdoor PCB
66
Thermistor or Related Abnormality (Outdoor Unit)
67
Overheat Protection for Exhaust Temperature
68
The EEPROM Abnormality (Outdoor Unit)
69
High Work-Intense Protection
70
Power Supply over or under Voltage Fault
71
Loop of the Station Detect Error
72
Over-Current of the Compressor
73
Communication Error between the Indoor and Outdoor Units
74
Installation
76
Power Source
77
Selection of Installation Place
77
Selection of Pipe
77
Fitting of the Mounting Plate and Positioning of the Wall Hole
78
Indoor Unit Installation
78
Making a Hole on the Wall and Fitting the Piping Hole Cover
78
Drawing of Pipe
79
Easily-Demount Cleaning of Indoor Unit
79
Fixing the Indoor Unit Body
79
Installation of the Indoor Unit
79
Unloading of Indoor Unit Body
79
Connecting the Indoor/Outdoor Electric Cable
80
Attaching Drain-Elbow
81
Connection of Pipes
81
Installation of Outdoor Unit
81
Purging Method: to Use Vacuum Pump
82
Check for Installation and Test Run
83
Cutting and Flaring Work of Piping
83
On Drainage
83
Power Source Installation
83
The Removal Procedure of Indoor Unit
84
Removal of Air Filter
86
Removal of the Blade
87
Removal of Front Case
88
Removal of Vertical Blades and Display Board
90
Removal of Fan Drain Pan and Electrical Box
91
Removal of Fan Motor and Heat Exchanger
92
Removal of Outdoor Panel
94
The Removal Procedure of Outdoor
94
Romoval of Electrcal Box
96
Romoval of the Side Panel
97
Romoval of Compressor and Heat Exchanger
103
10 Appendix
107
Piping Diagrams
107
Wiring Diagrams
108
Outdoor Pcb
109
Outdoor Unit Wiring Diagram
109
Circuit Diagrams
110
Description of Coding Rules of Unit Model
113
4
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Haier HSU-18HEA03/R2(DB)-I Specifications
General
Brand
Haier
Model
HSU-18HEA03/R2(DB)-I
Category
Air Conditioner
Language
English
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