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2U14CS1ERA
Haier 2U14CS1ERA User Manual
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2U14CS1ERA
2U18FS1ERA
T 25A/250V
.
2U14CS1ERA
2U18FS1ERA
Model
Connecting wiring
Power cable
3G2.5mm
2
4G0.75mm
2
)
C
(
3
)
N
(
1)
L
(
2
)
C
(
3
)
N
(
1
)
L
(
2
Outdoor unit A
Outdoor unit B
^
POWER
To Indoor unit
A
To Indoor unit
B
DOUBLE
DOUBLE
14K
Outdoor unit A
Outdoor unit B
^
POWER
To Indoor unit
A
To Indoor unit
B
18K
Installation
2U14CS1ERA-SM
81
Domestic air conditioner
83
85
Table of Contents
Service Manual
1
Wall Mounted Type
1
Safety Cautions
4
Caution in Repair
4
Cautions Regarding Products after Repair
5
Inspection after Repair
7
Specification
10
Indoor Unit Connectors
12
Outdoor Unit
14
Funcitions and Control
17
Main Functions and Control Specification of Indoor Unit
17
Automatic Operation
17
Heating Operation Mode
19
Mute Operation
20
Fixed Frequency Operation
24
Test Program
24
Display Function
25
The Control System of Outdoor Unit
25
The Outdoor Fan Control (Exchange Fan)
27
Protection Function
29
Value of Thermistor
32
Outdoor Unit
36
Parts and Functions
45
Indoor Unit
45
Remote Controller
45
Display Board
45
Base Operation
46
Air Flow Direction Adjustment
46
Emergency Operation
46
Sleep Operation
47
Indoor Unit Installaion
49
Power Source
49
Selection of Installation Place
49
Accessory Parts
49
Indoor Unit Installation
50
Maintenance
52
Replacement of Air Purifying Filter
52
Troubleshooting
54
Service Diagnosis
55
Caution for Diagnosis
55
Problem Symptoms and Measures
55
Error Codes and Description Indoor Display
56
Thermistor or Related Abnormality
57
EEPROM Abnormal
58
Indoor AC Fan Motor Malfunction
59
Outdoor DC Fan Motor Fault
60
IPM Protection
61
Over-Current of the Compressor
62
The Communication Fault between IPM and Outdoor PCB
63
Overheat Protection for Exhaust Temperature
65
The Communication Fault between Indoor and Outdoor
67
Loss of Synchronism Detection
69
High Work-Intense Protection
70
Installation
71
Outdoor Unit Troubleshooting
85
Wiring Diagrams
111
Circuit Diagram
113
Description of Coding Rules of Unit Model
115
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Haier 2U14CS1ERA Specifications
General
Brand
Haier
Model
2U14CS1ERA
Category
Air Conditioner
Language
English
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