Haier 1U50S2SQ1FA-NR Manuals

Manuals and User Guides for Haier 1U50S2SQ1FA-NR. We have 1 Haier 1U50S2SQ1FA-NR manual available for free PDF download: Service Manual

Haier 1U50S2SQ1FA-NR Service Manual

Haier 1U50S2SQ1FA-NR Service Manual (67 pages)

Wall Mounted Type DC Inverter

Brand: Haier | Category: Air Conditioner | Size: 4 MB

Table of Contents

Table of Contents
2
Introduction
3
Model Name Explanation
3
Safety Cautions
4
Caution in Repair
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Using Icons
7
Using Icons List
8
Specifications
9
Sensors List
10
Piping Diagrams
11
Operation Range
12
Printed Circuit Board Connector Wiring Diagram
13
Indoor Unit
16
Outdoor Unit Wiring Diagram
16
Outdoor Pcb
16
Functions and Control
17
Main Functions and Control Specification
17
Protection Function
20
Value of Thermistor
23
Dimensional Drawings
31
Center of Gravity
31
Service Diagnosis
32
Caution for Diagnosis
32
Parameter of Primary Electronic Appliance
32
Problem Symptoms and Measures
33
Error Codes and Description Indoor Display
34
Thermistor or Related Abnormality
35
EEPROM Abnormal
36
Indoor AC Fan Motor Malfunction
37
Outdoor DC Fan Motor Fault
38
IPM Protection
40
Over-Current of the Compressor
41
The Communication Fault between IPM and Outdoor PCB
42
Power Supply over or under Voltage Fault
43
Overheat Protection for Discharge Temperature
44
The Communication Fault between Indoor and Outdoor
45
Loss of Synchronism Detection
47
High Work-Intense Protection
48
Cooling Capacity-Temperature Curves
49
Performance and Curves Diagrams
50
Cooling Discharge Pressure Curves
51
Cooling Suction Pressure Curves
52
Heating Capacity-Temperature Curves
53
Heating Discharge Pressure Curves
55
Heating Suction Pressure Curves
56
Circuit Diagrams
57
Wall Mounted Type
61
Removal of Outdoor Panel
62
Removal of Electrical Box
64
Removal of Fan and Fan Motor
65
Removal of Fan Motor Bracket and Partition
66
Removal of Compressor and Heat Exchanger
67

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