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Haier AW12EH2VHD User Manual
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Haier AW12EH2VHD Arctic Series 208-230V 12,000 BTU Single-Zone Ductless Highwall Indoor Unit
User Manual - Page 62
For AW12EH2VHD.
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Introduction
Safety Precautions
Warnings And Cautions
Introduction To System
Specifications For Proper Operation Should Be Followed
System Fundamentals
Outdoor Unit Controls And Components
Outdoor Unit Introduction
Outdoor Component Identification
Outdoor Main Control Board
Terminal Block
Reactor
Compressor
Outdoor Fan Motor
Discharge Temperature Sensor
Defrost Temperature Sensor
Outdoor Ambient Temperature Sensor
Suction Line Temperature Sensor
4 Way Valve
Electronic Expansion Valve
Accumulator
Strainers
Base Pan Heater
Indoor Unit Controls And Components
Indoor Unit Introduction
Indoor Component Identification
Indoor Control Board
Terminal Block
Display
Ambient Temperature Sensor
Piping Temperature Sensor
Louver Motor
Fan Motor
Emergency Button
DIP Switch And DIP Switch Settings
Compart Cassette Technical Overview
Components
Component Overview
Cassette Unit Indoor Circuit Board
Testing
Accessing The Blower Motor And Condensate Pump
Removing Fan Motor
Removing Condensate Pump
Indoor Fan Motor Test Procedure
Testing Temperature Sensors
Testing Louver Motors
Testing Communication Circuit
Test Condensate Pump And Associated Float Switch
Wiring Diagram & DIP Switch Settings
Error Codes
MidStatic Ducted Technical Overview
Components
Component Overview
Indoor Unit Circuit Board
Fresh Air Function
Ductwork/Grilles
Testing
Test Condensate Pump And Associated Float Switch
Testing Temperature Sensors
Testing Communication Circuit
Indoor Fan Motor Voltage Check
Static Pressure Charts
Board Replacement
Removing The Condensate Pump
Removing Fan Motor
Replacing WiFi Module
Wiring Diagram
DIP Switch Setting
Error Code
Sequence Of Operation
System Power
Cool Mode
Overview
Indoor Uni
Temperature Sensors
Communication
Outdoor Unit
Temperature Sensors
Call To Terminate Cooling
Freeze Protection Function
Heat Mode
Overview
Cold Air Proof Operation
Defrost
Automatic Heating Temperature Compensation
Indoor Unit
Temperature Sensors
Communication
Outdoor Unit
Temperature Sensors
Call To Terminate Heating
Auto Mode
Dry Mode
Overview
Indoor Unit
Temperature Sensors
Communication
Outdoor Unit
Temperature Sensors
Defrost Operation
Protection Functions
HighTemperature Protection
Overheating Protection For Indoor Unit
Compressor Overcurrent Protection
Antifreeze Protection Of The Coil
Base Pan Heater
Special Functions
Auto Restart
Timed Defrost
Demand Defrost
Indoor Temperature Display
Temperature Compensation
RJ
Error Codes And Troubleshooting
Check This First Outdoor Unit
Check This First Indoor Unit
Wiring Diagram Reference
Error Code (Indoor/outdoor)
F1/LED1: 2 Flash
F2/LED1: 24 Flash
F3/LED1: 4 Flash
F4/LED1: 8 Flash
F6/LED1: 12 Flash
F7/LED1: 11 Flash
F21/LED1: 10 Flash
F25/LED1: 13 Flash
E1/LED1: No Flash
E2/LED1: No Flash
F6/LED1: 12 Flash, F7/LED1: 11 Flash, F21/LED1: 10 Flash, F25/LED1: 13 Flash ,E1/LED1: No Flash, E2/LED1: No Flash
F8/LED1: 9 Flash
F11/LED1: 18 Flash
F12/LED1: 1 Flash
E5/LED1: 22 Flash
E7/LED1: 15 Flash
Error Code (Indoor)
E14
Checking System Components
Reference Information
Outdoor Board Diagram
Indoor Board Diagram
Room And Pipe Sensor Tables
Ambient Defrost And Pipe Sensor Table
Discharge Sensor Tables
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File type: PDF
File name: 28360273_1u18eh2vhe.pdf
File size: 28.48 MB
File Language: English
Pages: 117
Author: Haier
Published: 2023-03-25
Updated: 2023-03-25
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Table of Contents
×
Introduction
4
Safety Precautions
4
Warnings And Cautions
4
Introduction To System
5
Specifications For Proper Operation Should Be Followed
5
System Fundamentals
5
Outdoor Unit Controls And Components
11
Outdoor Unit Introduction
11
Outdoor Component Identification
11
Outdoor Main Control Board
12
Terminal Block
13
Reactor
13
Compressor
13
Outdoor Fan Motor
13
Discharge Temperature Sensor
14
Defrost Temperature Sensor
14
Outdoor Ambient Temperature Sensor
14
Suction Line Temperature Sensor
14
4 Way Valve
15
Electronic Expansion Valve
15
Accumulator
15
Strainers
15
Base Pan Heater
15
Indoor Unit Controls And Components
20
Indoor Unit Introduction
21
Indoor Component Identification
21
Indoor Control Board
22
Terminal Block
23
Display
23
Ambient Temperature Sensor
23
Piping Temperature Sensor
23
Louver Motor
24
Fan Motor
24
Emergency Button
24
DIP Switch And DIP Switch Settings
25
Compart Cassette Technical Overview
28
Components
29
Component Overview
29
Cassette Unit Indoor Circuit Board
31
Testing
32
Accessing The Blower Motor And Condensate Pump
32
Removing Fan Motor
32
Removing Condensate Pump
32
Indoor Fan Motor Test Procedure
33
Testing Temperature Sensors
33
Testing Louver Motors
34
Testing Communication Circuit
34
Test Condensate Pump And Associated Float Switch
35
Wiring Diagram & DIP Switch Settings
36
Error Codes
37
MidStatic Ducted Technical Overview
38
Components
39
Component Overview
39
Indoor Unit Circuit Board
41
Fresh Air Function
42
Ductwork/Grilles
43
Testing
44
Test Condensate Pump And Associated Float Switch
44
Testing Temperature Sensors
44
Testing Communication Circuit
45
Indoor Fan Motor Voltage Check
45
Static Pressure Charts
46
Board Replacement
47
Removing The Condensate Pump
47
Removing Fan Motor
47
Replacing WiFi Module
48
Wiring Diagram
49
DIP Switch Setting
50
Error Code
55
Sequence Of Operation
62
System Power
63
Cool Mode
63
Overview
63
Indoor Uni
63
Temperature Sensors
63
Communication
63
Outdoor Unit
63
Temperature Sensors
64
Call To Terminate Cooling
64
Freeze Protection Function
64
Heat Mode
64
Overview
64
Cold Air Proof Operation
64
Defrost
65
Automatic Heating Temperature Compensation
65
Indoor Unit
65
Temperature Sensors
65
Communication
65
Outdoor Unit
65
Temperature Sensors
65
Call To Terminate Heating
66
Auto Mode
66
Dry Mode
66
Overview
66
Indoor Unit
66
Temperature Sensors
66
Communication
66
Outdoor Unit
66
Temperature Sensors
67
Defrost Operation
67
Protection Functions
67
HighTemperature Protection
67
Overheating Protection For Indoor Unit
67
Compressor Overcurrent Protection
68
Antifreeze Protection Of The Coil
68
Base Pan Heater
68
Special Functions
69
Auto Restart
69
Timed Defrost
69
Demand Defrost
69
Indoor Temperature Display
69
Temperature Compensation
69
RJ
45
Error Codes And Troubleshooting
75
Check This First Outdoor Unit
76
Check This First Indoor Unit
77
Wiring Diagram Reference
78
Error Code (Indoor/outdoor)
79
F1/LED1: 2 Flash
79
F2/LED1: 24 Flash
81
F3/LED1: 4 Flash
83
F4/LED1: 8 Flash
85
F6/LED1: 12 Flash
87
F7/LED1: 11 Flash
87
F21/LED1: 10 Flash
87
F25/LED1: 13 Flash
87
E1/LED1: No Flash
87
E2/LED1: No Flash
87
F6/LED1: 12 Flash, F7/LED1: 11 Flash, F21/LED1: 10 Flash, F25/LED1: 13 Flash ,E1/LED1: No Flash, E2/LED1: No Flash
88
F8/LED1: 9 Flash
89
F11/LED1: 18 Flash
91
F12/LED1: 1 Flash
93
E5/LED1: 22 Flash
94
E7/LED1: 15 Flash
96
Error Code (Indoor)
99
E14
99
Checking System Components
101
Reference Information
104
Outdoor Board Diagram
105
Indoor Board Diagram
106
Room And Pipe Sensor Tables
107
Ambient Defrost And Pipe Sensor Table
110
Discharge Sensor Tables
113
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