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AW12LC2VHB
Haier AW12LC2VHB Manuals
Manuals and User Guides for Haier AW12LC2VHB. We have
4
Haier AW12LC2VHB manuals available for free PDF download: Service Manual, User Manual
Haier AW12LC2VHB Service Manual (140 pages)
Ductless Multi-Split Heat Pump
Brand:
Haier
| Category:
Heat Pump
| Size: 35.97 MB
Table of Contents
A-1 Introduction
3
Table of Contents
3
Safety & Precautions
4
Specifications
5
Outdoor Units
5
Highwall Indoor
6
Ducted Indoor
6
Cassette Indoor
7
Console Indoor
7
MID-Static Ducted Indoor
7
Functions and Control
8
Auto Mode
8
Cooling Operation Mode
8
Dry Mode (Dehumidifying Mode
8
Heat Mode
9
Indoor Fan Control
9
Cold Air-Proof Operation
9
Timing
9
Indoor System Mode Conflict
9
Abnormality Confirmation Approaches
10
Low Load Protection Control
10
High Load Protection Control
10
When the Compressor First Starts
10
The Outdoor Fan Control (Exchange Fan
10
The Outdoor Fan Control When in Cooling or Dehumidifying Mode
10
The Control of the Outdoor Unit Expansion Valve
10
Four-Way Valve Control
10
Antifreezing Protection
10
Over-Temperature Heat Mode Indoor Coil
11
Outdoor Technical Overview 2U18Ms2Vhb 3U24Ms2Vhb 4U36Ms2Vhb
13
Components
14
Service Monitor Board (SMB
14
Module Circuit Board (MCB
14
Electronic Control Unit Circuit Board (ECU
15
Power Circuit Board (PCB
16
Outdoor Fan Motor
17
Low Pressure Switch
17
Way Valve
17
High Pressure Switch
17
Compressor
18
EEV Valves
18
Crankcase Heater
18
Temperature Sensors
19
Operations
20
Cooling Mode Sequence of Operation
20
Heating Mode Sequence of Operation
22
Outdoor Frequency Control
24
Electronic Expansion Valve (EEV) Control
24
Valve Adjustments Due to Hot Gas Discharge Temperature Limits
24
4-Way Valve Control During Heating Mode
24
Crankcase Heater Control
24
On Demand Defrost Logic
24
Initiating Forced Defrost Operation
25
Defrosting Time Flowchart
25
Frequency Control and Compressor Discharge Line Temperature
25
Frequency Control When There Is CT Over-Current Protection
25
High Pressure Protection
25
Low Pressure Protection
25
Forced Defrost Operation
26
Preventing Compressor Overcurrent
26
The Protection Function of AC Current
26
Antifreezing Protection of the Indoor Heat Exchanger
26
Testing
27
Outdoor Fan Motor
27
Temperature Sensor
27
4-Way Valve
28
Electronic Expansion Valve (EEV
28
Variable Speed Compressor
29
Wiring Error Check
29
Wiring Diagrams
30
DIP Switch Settings
33
Error Codes
35
Wall Mount Technical Overview Aw07Lc2Vhb Aw09Lc2Vhb Aw12Lc2Vhb Aw18Lc2Vhb Aw24Lp2Vha
37
Components
38
Component Overview
38
Indoor Wall Mount Unit Circuit Board
39
Testing
41
Accessing Components/Removing Cover
41
Indoor Fan Motor Voltage Check
42
Replacing the Blower Motor
42
Testing Temperature Sensors
44
Testing Louver Motors
44
Testing Communication Circuit
44
Wiring Diagram
45
Error Codes
46
Compact Cassette Technical Overview Ab09Sc2Vha Ab12Sc2Vha Ab18Sc2Vha
47
Components
48
Component Overview
48
Cassette Unit Indoor Circuit Board
50
Testing
51
Accessing the Blower Motor and Condensate Pump
51
Removing Fan Motor
51
Removing Condensate Pump
51
Indoor Fan Motor Test Procedure
52
Testing Temperature Sensors
52
Testing Louver Motors
53
Testing Communication Circuit
53
Test Condensate Pump and Associated Float Switch
54
Wiring Diagram & DIP Switch Settings
55
Error Codes
56
Large Cassette Technical Overview Al24Lp2Vha
57
Components
58
Component Overview
58
Cassette Unit Indoor Circuit Board
60
Testing
61
Accessing the Blower Motor and Condensate Pump
61
Removing Fan Motor
61
Removing Condensate Pump
61
Indoor Fan Motor Test Procedure
62
Testing Temperature Sensors
62
Testing Louver Motors
63
Testing Communication Circuit
63
Test Condensate Pump and Float Switch
64
Wiring Diagram
65
Slim Duct Technical Overview Ad07Sl2Vhb Ad09Sl2Vhb Ad12Sl2Vhb Ad18Sl2Vhb
69
Components
70
Component Overview
70
Indoor Unit Circuit Board
71
Ductwork/Grilles
73
Testing
74
Test Condensate Pump and Float Switch
74
Testing Communication Circuit
74
Testing Temperature Sensors
75
Indoor Fan Motor Voltage Check
75
MID-Static Ducted Technical Overview Usym09Ucdsa Usym12Ucdsa Usym18Ucdsa Usym24Ucdsa
79
DIP Switch Settings
91
Error Codes
92
Wiring Diagram & DIP Switch Settings
92
Am24Lp2Vha
93
Components
94
Component Overview
94
Indoor Unit Circuit Board
95
Ductwork/Grilles
97
Ductwork/Grilles
98
Test Condensate Pump and Associated Float Switch
98
Testing
98
Test Condensate Pump and Float Switch
98
Testing Communication Circuit
98
Testing Temperature Sensors
99
Indoor Fan Motor Voltage Check
99
Wiring Diagram
100
DIP Switch Settings
101
Wiring Diagram
101
Error Codes
102
Console Technical Overview Usyf09Ucdwa Usyf12Ucdwa Usyf18Ucdwa
103
Component Overview
104
Components
104
Indoor Circuit Board
105
Testing
106
Removing the Filter Cover & Filter
106
Front Cover Removal
106
Control Box Removal
106
Board Replacement
106
Upper Louver Removal
107
Lower Damper Assembly Removal
107
Troubleshooting & References
113
Special Functions
115
Auto Restart
115
Forced Defrost
115
Indoor Temperature Display (Highwall Only
115
Enhanced Defrost
115
Temperature Compensation
116
Matching Tables
119
Resistance Chart / Sensor Definitions
119
Resistance Values
120
Louver Motors
120
Eev
120
Component Ratings
121
4-Way Valve
121
Basepan Heater
121
Reactor
121
Fan Motors
121
Refrigeration Diagrams
122
Master Error Code Chart
125
Outdoor Unit Error Codes
129
Pressure-Related Error Codes
129
Communication Error Code
129
Error Codes Caused by Abnormal Refrigerant Circuit Conditions
130
Outdoor Error Code Related to Indoor Unit
130
Error Code Related to the PCB
130
Error Codes Related to the IPM
130
Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve
131
Flow Charts
132
Outdoor EEPROM Malfunction
132
Outdoor IPM over Current or Short Circuit
132
Communication Abnormal between PCB and IPM
133
DC Voltage or AC Voltage High
133
Replace Fan Motor
134
DC Fan Motor Fault
134
Discharge Temperature too High Protection
134
Communication Abnormal between Indoor Unit and Outdoor Unit
135
Discharging Temp. Sensor Td Abnormal
135
Outdoor Ambient Temp. Sensor Ta Abnormal
135
Outdoor Defrosting Temp. Sensor te Abnormal
135
Suction Temp.sensor Ts Abnormal
135
4-Way Valve Reversing Failure
136
Lack of Refrigerant or Discharging Pipe Blocked
136
Compressor Motor Desynchronizing
137
Compressor Startup Failure
137
Input Overcurrent of the Drive Module
137
Open High Pressure Switch
138
Open Low Pressure Switch
138
High Pressure Detected in System
139
Low Pressure Detected in System
139
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Haier AW12LC2VHB Service Manual (140 pages)
Ductless Multi-Split Heat Pump, Outdoor/Indoor, Wall Mount - Highwall, 2'x2' Compact Cassette, 3'x3' Large Cassette, Slim Duct, Mid-Static Ducted, Medium Static Ducted, Console
Brand:
Haier
| Category:
Heat Pump
| Size: 14.51 MB
Table of Contents
A-1 Introduction
3
Table of Contents
3
Safety & Precautions
4
Specifications
5
Outdoor Units
5
Highwall Indoor
6
Ducted Indoor
6
Cassette Indoor
7
Console Indoor
7
MID-Static Ducted Indoor
7
Functions and Control
8
Auto Mode
8
Cooling Operation Mode
8
Dry Mode (Dehumidifying Mode
8
Heat Mode
9
Indoor Fan Control
9
Cold Air-Proof Operation
9
Timing
9
Indoor System Mode Conflict
9
Abnormality Confirmation Approaches
10
Low Load Protection Control
10
High Load Protection Control
10
When the Compressor First Starts
10
The Outdoor Fan Control (Exchange Fan
10
The Outdoor Fan Control When in Cooling or Dehumidifying Mode
10
The Control of the Outdoor Unit Expansion Valve
10
Four-Way Valve Control
10
Antifreezing Protection
10
Over-Temperature Heat Mode Indoor Coil
11
U24Ms2Vhb 4U36Ms2Vhb
13
Components
14
Service Monitor Board (SMB
14
Module Circuit Board (MCB
14
Electronic Control Unit Circuit Board (ECU
15
Power Circuit Board (PCB
16
Outdoor Fan Motor
17
Low Pressure Switch
17
Way Valve
17
High Pressure Switch
17
Compressor
18
EEV Valves
18
Crankcase Heater
18
Temperature Sensors
19
Operations
20
Cooling Mode Sequence of Operation
20
Heating Mode Sequence of Operation
22
Outdoor Frequency Control
24
Electronic Expansion Valve (EEV) Control
24
Valve Adjustments Due to Hot Gas Discharge Temperature Limits
24
4-Way Valve Control During Heating Mode
24
Crankcase Heater Control
24
On Demand Defrost Logic
24
Initiating Forced Defrost Operation
25
Defrosting Time Flowchart
25
Frequency Control and Compressor Discharge Line Temperature
25
Frequency Control When There Is CT Over-Current Protection
25
High Pressure Protection
25
Low Pressure Protection
25
Forced Defrost Operation
26
Preventing Compressor Overcurrent
26
The Protection Function of AC Current
26
Antifreezing Protection of the Indoor Heat Exchanger
26
Testing
27
Outdoor Fan Motor
27
Temperature Sensor
27
4-Way Valve
28
Electronic Expansion Valve (EEV
28
Variable Speed Compressor
29
Wiring Error Check
29
Wiring Diagrams
30
DIP Switch Settings
33
Error Codes
35
Wall Mount Technical Overview Aw07Lc2Vhb Aw09Lc2Vhb Aw12Lc2Vhb Aw18Lc2Vhb
37
Components
38
Component Overview
38
Indoor Wall Mount Unit Circuit Board
39
Testing
41
Accessing Components/Removing Cover
41
Indoor Fan Motor Voltage Check
42
Replacing the Blower Motor
42
Testing Temperature Sensors
44
Testing Louver Motors
44
Testing Communication Circuit
44
Wiring Diagram
45
Error Codes
46
Compact Cassette Technical Overview Ab09Sc2Vha Ab12Sc2Vha Ab18Sc2Vha
47
Components
48
Component Overview
48
Cassette Unit Indoor Circuit Board
50
Testing
51
Accessing the Blower Motor and Condensate Pump
51
Removing Fan Motor
51
Removing Condensate Pump
51
Indoor Fan Motor Test Procedure
52
Testing Temperature Sensors
52
Testing Louver Motors
53
Testing Communication Circuit
53
Test Condensate Pump and Associated Float Switch
54
Wiring Diagram & DIP Switch Settings
55
Error Codes
56
Large Cassette Technical Overview Al24Lp2Vha
57
Components
58
Component Overview
58
Cassette Unit Indoor Circuit Board
60
Testing
61
Accessing the Blower Motor and Condensate Pump
61
Removing Fan Motor
61
Removing Condensate Pump
61
Indoor Fan Motor Test Procedure
62
Testing Temperature Sensors
62
Testing Louver Motors
63
Testing Communication Circuit
63
Test Condensate Pump and Float Switch
64
Wiring Diagram
65
Slim Duct Technical Overview Ad07Sl2Vhb Ad09Sl2Vhb Ad12Sl2Vhb Ad18Sl2Vhb
69
Components
70
Component Overview
70
Indoor Unit Circuit Board
71
Ductwork/Grilles
73
Testing
74
Test Condensate Pump and Float Switch
74
Testing Communication Circuit
74
Testing Temperature Sensors
75
Indoor Fan Motor Voltage Check
75
MID-Static Ducted Technical Overview Usym09Ucdsa Usym12Ucdsa Usym18Ucdsa Usym24Ucdsa
79
DIP Switch Settings
91
Wiring Diagram & DIP Switch Settings
92
Error Codes
92
Am24Lp2Vha
93
Components
94
Component Overview
94
Indoor Unit Circuit Board
95
Ductwork/Grilles
97
Ductwork/Grilles
98
Test Condensate Pump and Associated Float Switch
98
Testing
98
Test Condensate Pump and Float Switch
98
Testing Communication Circuit
98
Testing Temperature Sensors
99
Indoor Fan Motor Voltage Check
99
Wiring Diagram
100
DIP Switch Settings
101
Wiring Diagram
101
Error Codes
102
Console Technical Overview Usyf09Ucdwa Usyf12Ucdwa Usyf18Ucdwa
103
Component Overview
104
Components
104
Indoor Circuit Board
105
Testing
106
Removing the Filter Cover & Filter
106
Front Cover Removal
106
Control Box Removal
106
Board Replacement
106
Upper Louver Removal
107
Lower Damper Assembly Removal
107
Troubleshooting & References
113
Special Functions
115
Auto Restart
115
Forced Defrost
115
Indoor Temperature Display (Highwall Only
115
Enhanced Defrost
115
Temperature Compensation
116
Matching Tables
119
Resistance Chart / Sensor Definitions
119
Resistance Values
120
Louver Motors
120
Eev
120
Component Ratings
121
4-Way Valve
121
Basepan Heater
121
Fan Motors
121
Refrigeration Diagrams
122
Master Error Code Chart
125
Outdoor Unit Error Codes
129
Pressure-Related Error Codes
129
Communication Error Code
129
Error Codes Caused by Abnormal Refrigerant Circuit Conditions
130
Outdoor Error Code Related to Indoor Unit
130
Error Code Related to the PCB
130
Error Codes Related to the IPM
130
Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve
131
Flow Charts
132
Outdoor EEPROM Malfunction
132
Outdoor IPM over Current or Short Circuit
132
Communication Abnormal between PCB and IPM
133
DC Voltage or AC Voltage High
133
Replace Fan Motor
134
DC Fan Motor Fault
134
Discharge Temperature too High Protection
134
Communication Abnormal between Indoor Unit and Outdoor Unit
135
Discharging Temp. Sensor Td Abnormal
135
Outdoor Ambient Temp. Sensor Ta Abnormal
135
Outdoor Defrosting Temp. Sensor te Abnormal
135
Suction Temp.sensor Ts Abnormal
135
4-Way Valve Reversing Failure
136
Lack of Refrigerant or Discharging Pipe Blocked
136
Compressor Motor Desynchronizing
137
Compressor Startup Failure
137
Input Overcurrent of the Drive Module
137
Open High Pressure Switch
138
Open Low Pressure Switch
138
High Pressure Detected in System
139
Low Pressure Detected in System
139
Haier AW12LC2VHB Service Manual (156 pages)
Multi-Zone Ductless Multi-Split Heat Pumps
Brand:
Haier
| Category:
Heat Pump
| Size: 4.89 MB
Table of Contents
Section 1
3
Table of Contents
3
Highwall Indoor
7
Ducted Indoor
8
Console Indoor
9
Cassette Indoor
9
Cooling Operation Mode
11
Dry Mode (Dehumidifying Mode
11
Heat Mode
11
Indoor Fan Control
11
Timing
12
When the Compressor First Starts
12
Section 2
15
Component Overview
16
Service Monitor Boards
16
Pcb
19
Heating Mode
22
Defrost Cycle
23
Compressor Sump Heater
24
Defrost Control
25
Oil Return Cycle
27
4-Way Valve
29
Outdoor Fan Motor
29
Temperature Sensor
40
Advertisement
Haier AW12LC2VHB User Manual (8 pages)
Ductless Split Air Conditioner
Brand:
Haier
| Category:
Air Conditioner
| Size: 0.46 MB
Table of Contents
Table of Contents
1
Cautions and Warnings
1
Controller Features & Settings
2
Emergency Operation & Maintenance
5
Troubleshooting
6
Limited Warranty
7
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