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HSU-71HEK03/R2(DB)/O
Haier Group HSU-71HEK03/R2(DB)/O Manuals
Manuals and User Guides for Haier Group HSU-71HEK03/R2(DB)/O. We have
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Haier Group HSU-71HEK03/R2(DB)/O manual available for free PDF download: Service Manual
Haier Group HSU-71HEK03/R2(DB)/O Service Manual (97 pages)
Wall Mounted Type DC Inverter EK-Series
Brand:
Haier Group
| Category:
Air Conditioner
| Size: 2.96 MB
Table of Contents
Service Manual
1
Wall Mounted Type
1
Table of Contents
2
Introduction
3
Model Name Explanation
3
Safety Cautions
5
Caution in Repair
5
Cautions Regarding Products after Repair
6
Inspection after Repair
8
Using Icons List
9
Specifications
10
Nominal Distribution System Voltage
10
Technical Specifications-Unit
10
Technical Specifications-Others
11
Sensors List
17
Pinping Diagrams
18
Cooling Mode
18
Heating Mode
18
Operation Range
19
Printed Circuit Board Connector Wiring Diagram
20
Pcb
23
Wiring Diagrams
25
Functions and Control
26
Main Functions and Control Specification
26
The Operation Frequency of Outdoor Unit and Its Control
26
The Starting of Compressor
26
Refrigeration/Dehumidification
27
The Outdoor Fan Control
27
The Control of the Outdoor Electronic Expansion Valve
28
Four Way Control
28
Protection Function
29
TTC High Temperature-Preventing Protection
29
TC High Temperature-Preventing Control of the Indoor Heating Unit
29
The Control of Preventing the Overcurrent of the Compressor
30
The Protection Function of AC Current
30
Antifreezing Protection of the Indoor Heat Exchanger
30
The Frequency Limitation of Modification Rate
31
Temperature Protection of the Outdoor Refrigerating Coil
31
Malfunction Display and Malfunction Handling
31
Value of Thermistor
32
Outdoor Unit
32
Dimensional Drawings
41
Center of Gravity
41
Center of Gravity
42
Service Diagnosis
45
Caution for Diagnosis
45
Parameter of Primary Electronic Appliance
45
Problem Symptoms and Measures
46
Error Codes and Description Indoor Display
46
Thermistor or Related Abnormality
48
Thermistor Resistance Check Method
48
Eeprom Abnormal
48
E4: Indoor EEPROM Error
49
Indoor AC Fan Motor Malfunction
50
E14
50
Outdoor DC Fan Motor Fault
51
LED1 Flash 9 Times
51
IPM Protection
53
LED1 Flash 2 Times
53
Over-Current of the Compressor
54
LED1 Flash 3 or 24 or 25 Times
54
The Communication Fault between IPM and Outdoor PCB
55
Power Supply over or under Voltage Fault
56
Overheat Protection for Discharge Temperature
57
The Communication Fault between Indoor and Outdoor
58
Loss of Synchronism Detection
60
Inverter Side Current Detection Is Abnormal
60
High Work-Intense Protection
61
LED1 Flash 21 Times
61
Perforance and Curves Diagrams
62
Cooling Capacity Temperature Curves
62
Power Consumption Temperature Curves
63
Heating Capacity Temperature Curves
64
Power Consumption Value -Temperature Curves
65
Cooling Discharge Pressure Curve
66
Cooling Suction Pressure Curves
67
Heating Discharge Pressure Curves
68
Heating Suction Pressure Curves
69
Cooling Discharge Pressure Curves
90
Circuit Diagrams
94
Outdoor Unit Control Board Circuit Diagrams
94
Module Board Circuit Diagram
95
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