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2U18MS2VHB
Haier 2U18MS2VHB Manuals
Manuals and User Guides for Haier 2U18MS2VHB. We have
5
Haier 2U18MS2VHB manuals available for free PDF download: Service Manual, Technical Overview, Installation Manual
Haier 2U18MS2VHB Service Manual (140 pages)
Ductless Multi-Split Heat Pump
Brand:
Haier
| Category:
Heat Pump
| Size: 35.97 MB
Table of Contents
3
A-1 Introduction
3
Table of Contents
4
Safety & Precautions
5
Specifications
5
Outdoor Units
6
Highwall Indoor
6
Ducted Indoor
7
Cassette Indoor
7
Console Indoor
7
MID-Static Ducted Indoor
8
Functions and Control
8
Auto Mode
8
Cooling Operation Mode
8
Dry Mode (Dehumidifying Mode
9
Heat Mode
9
Indoor Fan Control
9
Cold Air-Proof Operation
9
Timing
9
Indoor System Mode Conflict
10
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
11
Over-Temperature Heat Mode Indoor Coil
13
Outdoor Technical Overview 2U18Ms2Vhb 3U24Ms2Vhb 4U36Ms2Vhb
14
Components
14
Service Monitor Board (SMB
14
Module Circuit Board (MCB
15
Electronic Control Unit Circuit Board (ECU
16
Power Circuit Board (PCB
17
Outdoor Fan Motor
17
Low Pressure Switch
17
Way Valve
17
High Pressure Switch
18
Compressor
18
EEV Valves
18
Crankcase Heater
19
Temperature Sensors
20
Operations
20
Cooling Mode Sequence of Operation
22
Heating Mode Sequence of Operation
24
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
25
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
26
Forced Defrost Operation
26
Preventing Compressor Overcurrent
26
The Protection Function of AC Current
26
Antifreezing Protection of the Indoor Heat Exchanger
27
Testing
27
Outdoor Fan Motor
27
Temperature Sensor
28
4-Way Valve
28
Electronic Expansion Valve (EEV
29
Variable Speed Compressor
29
Wiring Error Check
30
Wiring Diagrams
33
DIP Switch Settings
35
Error Codes
37
Wall Mount Technical Overview Aw07Lc2Vhb Aw09Lc2Vhb Aw12Lc2Vhb Aw18Lc2Vhb Aw24Lp2Vha
38
Components
38
Component Overview
39
Indoor Wall Mount Unit Circuit Board
41
Testing
41
Accessing Components/Removing Cover
42
Indoor Fan Motor Voltage Check
42
Replacing the Blower Motor
44
Testing Temperature Sensors
44
Testing Louver Motors
44
Testing Communication Circuit
45
Wiring Diagram
46
Error Codes
47
Compact Cassette Technical Overview Ab09Sc2Vha Ab12Sc2Vha Ab18Sc2Vha
48
Components
48
Component Overview
50
Cassette Unit Indoor Circuit Board
51
Testing
51
Accessing the Blower Motor and Condensate Pump
51
Removing Fan Motor
51
Removing Condensate Pump
52
Indoor Fan Motor Test Procedure
52
Testing Temperature Sensors
53
Testing Louver Motors
53
Testing Communication Circuit
54
Test Condensate Pump and Associated Float Switch
55
Wiring Diagram & DIP Switch Settings
56
Error Codes
57
Large Cassette Technical Overview Al24Lp2Vha
58
Components
58
Component Overview
60
Cassette Unit Indoor Circuit Board
61
Testing
61
Accessing the Blower Motor and Condensate Pump
61
Removing Fan Motor
61
Removing Condensate Pump
62
Indoor Fan Motor Test Procedure
62
Testing Temperature Sensors
63
Testing Louver Motors
63
Testing Communication Circuit
64
Test Condensate Pump and Float Switch
65
Wiring Diagram
69
Slim Duct Technical Overview Ad07Sl2Vhb Ad09Sl2Vhb Ad12Sl2Vhb Ad18Sl2Vhb
70
Components
70
Component Overview
71
Indoor Unit Circuit Board
73
Ductwork/Grilles
74
Testing
74
Test Condensate Pump and Float Switch
74
Testing Communication Circuit
75
Testing Temperature Sensors
75
Indoor Fan Motor Voltage Check
79
MID-Static Ducted Technical Overview Usym09Ucdsa Usym12Ucdsa Usym18Ucdsa Usym24Ucdsa
91
DIP Switch Settings
92
Wiring Diagram & DIP Switch Settings
92
Error Codes
93
Am24Lp2Vha
94
Components
94
Component Overview
95
Indoor Unit Circuit Board
97
Ductwork/Grilles
98
Test Condensate Pump and Associated Float Switch
98
Ductwork/Grilles
98
Test Condensate Pump and Float Switch
98
Testing Communication Circuit
99
Testing Temperature Sensors
99
Indoor Fan Motor Voltage Check
100
Wiring Diagram
98
Testing
101
Wiring Diagram
101
DIP Switch Settings
102
Error Codes
103
Console Technical Overview Usyf09Ucdwa Usyf12Ucdwa Usyf18Ucdwa
104
Components
104
Component Overview
105
Indoor Circuit Board
106
Removing the Filter Cover & Filter
106
Front Cover Removal
106
Control Box Removal
106
Board Replacement
107
Upper Louver Removal
107
Lower Damper Assembly Removal
113
Troubleshooting & References
115
Special Functions
115
Auto Restart
115
Forced Defrost
115
Indoor Temperature Display (Highwall Only
115
Enhanced Defrost
116
Temperature Compensation
119
Resistance Chart / Sensor Definitions
119
Matching Tables
120
Resistance Values
120
Louver Motors
120
Eev
121
Component Ratings
121
4-Way Valve
121
Basepan Heater
121
Reactor
121
Fan Motors
122
Refrigeration Diagrams
125
Master Error Code Chart
129
Outdoor Unit Error Codes
129
Pressure-Related Error Codes
129
Communication Error Code
130
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
131
Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve
132
Flow Charts
132
Outdoor EEPROM Malfunction
132
Outdoor IPM over Current or Short Circuit
133
Communication Abnormal between PCB and IPM
133
DC Voltage or AC Voltage High
134
Replace Fan Motor
134
Discharge Temperature too High Protection
134
DC Fan Motor Fault
135
Outdoor Defrosting Temp. Sensor te Abnormal
135
Suction Temp.sensor Ts Abnormal
135
Outdoor Ambient Temp. Sensor Ta Abnormal
135
Discharging Temp. Sensor Td Abnormal
135
Communication Abnormal between Indoor Unit and Outdoor Unit
136
Lack of Refrigerant or Discharging Pipe Blocked
136
4-Way Valve Reversing Failure
137
Compressor Motor Desynchronizing
137
Compressor Startup Failure
137
Input Overcurrent of the Drive Module
138
Open High Pressure Switch
138
Open Low Pressure Switch
139
High Pressure Detected in System
139
Low Pressure Detected in System
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Haier 2U18MS2VHB 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
3
A-1 Introduction
3
Table of Contents
4
Safety & Precautions
5
Specifications
5
Outdoor Units
6
Highwall Indoor
6
Ducted Indoor
7
Cassette Indoor
7
Console Indoor
7
MID-Static Ducted Indoor
8
Functions and Control
8
Auto Mode
8
Cooling Operation Mode
8
Dry Mode (Dehumidifying Mode
9
Heat Mode
9
Indoor Fan Control
9
Cold Air-Proof Operation
9
Timing
9
Indoor System Mode Conflict
10
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
11
Over-Temperature Heat Mode Indoor Coil
13
U24Ms2Vhb 4U36Ms2Vhb
14
Components
14
Service Monitor Board (SMB
14
Module Circuit Board (MCB
15
Electronic Control Unit Circuit Board (ECU
16
Power Circuit Board (PCB
17
Outdoor Fan Motor
17
Low Pressure Switch
17
Way Valve
17
High Pressure Switch
18
Compressor
18
EEV Valves
18
Crankcase Heater
19
Temperature Sensors
20
Operations
20
Cooling Mode Sequence of Operation
22
Heating Mode Sequence of Operation
24
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
25
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
26
Forced Defrost Operation
26
Preventing Compressor Overcurrent
26
The Protection Function of AC Current
26
Antifreezing Protection of the Indoor Heat Exchanger
27
Testing
27
Outdoor Fan Motor
27
Temperature Sensor
28
4-Way Valve
28
Electronic Expansion Valve (EEV
29
Variable Speed Compressor
29
Wiring Error Check
30
Wiring Diagrams
33
DIP Switch Settings
35
Error Codes
37
Wall Mount Technical Overview Aw07Lc2Vhb Aw09Lc2Vhb Aw12Lc2Vhb Aw18Lc2Vhb
38
Components
38
Component Overview
39
Indoor Wall Mount Unit Circuit Board
41
Testing
41
Accessing Components/Removing Cover
42
Indoor Fan Motor Voltage Check
42
Replacing the Blower Motor
44
Testing Temperature Sensors
44
Testing Louver Motors
44
Testing Communication Circuit
45
Wiring Diagram
46
Error Codes
47
Compact Cassette Technical Overview Ab09Sc2Vha Ab12Sc2Vha Ab18Sc2Vha
48
Components
48
Component Overview
50
Cassette Unit Indoor Circuit Board
51
Testing
51
Accessing the Blower Motor and Condensate Pump
51
Removing Fan Motor
51
Removing Condensate Pump
52
Indoor Fan Motor Test Procedure
52
Testing Temperature Sensors
53
Testing Louver Motors
53
Testing Communication Circuit
54
Test Condensate Pump and Associated Float Switch
55
Wiring Diagram & DIP Switch Settings
56
Error Codes
57
Large Cassette Technical Overview Al24Lp2Vha
58
Components
58
Component Overview
60
Cassette Unit Indoor Circuit Board
61
Testing
61
Accessing the Blower Motor and Condensate Pump
61
Removing Fan Motor
61
Removing Condensate Pump
62
Indoor Fan Motor Test Procedure
62
Testing Temperature Sensors
63
Testing Louver Motors
63
Testing Communication Circuit
64
Test Condensate Pump and Float Switch
65
Wiring Diagram
69
Slim Duct Technical Overview Ad07Sl2Vhb Ad09Sl2Vhb Ad12Sl2Vhb Ad18Sl2Vhb
70
Components
70
Component Overview
71
Indoor Unit Circuit Board
73
Ductwork/Grilles
74
Testing
74
Test Condensate Pump and Float Switch
74
Testing Communication Circuit
75
Testing Temperature Sensors
75
Indoor Fan Motor Voltage Check
79
MID-Static Ducted Technical Overview Usym09Ucdsa Usym12Ucdsa Usym18Ucdsa Usym24Ucdsa
91
DIP Switch Settings
92
Wiring Diagram & DIP Switch Settings
92
Error Codes
93
Am24Lp2Vha
94
Components
94
Component Overview
95
Indoor Unit Circuit Board
97
Ductwork/Grilles
98
Test Condensate Pump and Associated Float Switch
98
Ductwork/Grilles
98
Test Condensate Pump and Float Switch
98
Testing Communication Circuit
99
Testing Temperature Sensors
99
Indoor Fan Motor Voltage Check
100
Wiring Diagram
98
Testing
101
Wiring Diagram
101
DIP Switch Settings
102
Error Codes
103
Console Technical Overview Usyf09Ucdwa Usyf12Ucdwa Usyf18Ucdwa
104
Components
104
Component Overview
105
Indoor Circuit Board
106
Removing the Filter Cover & Filter
106
Front Cover Removal
106
Control Box Removal
106
Board Replacement
107
Upper Louver Removal
107
Lower Damper Assembly Removal
113
Troubleshooting & References
115
Special Functions
115
Auto Restart
115
Forced Defrost
115
Indoor Temperature Display (Highwall Only
115
Enhanced Defrost
116
Temperature Compensation
119
Resistance Chart / Sensor Definitions
119
Matching Tables
120
Resistance Values
120
Louver Motors
120
Eev
121
Component Ratings
121
4-Way Valve
121
Basepan Heater
121
Fan Motors
122
Refrigeration Diagrams
125
Master Error Code Chart
129
Outdoor Unit Error Codes
129
Pressure-Related Error Codes
129
Communication Error Code
130
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
131
Error Codes Related to Compressor, Outdoor Fan & 4-Way Valve
132
Flow Charts
132
Outdoor EEPROM Malfunction
132
Outdoor IPM over Current or Short Circuit
133
Communication Abnormal between PCB and IPM
133
DC Voltage or AC Voltage High
134
Replace Fan Motor
134
Discharge Temperature too High Protection
134
DC Fan Motor Fault
135
Outdoor Defrosting Temp. Sensor te Abnormal
135
Suction Temp.sensor Ts Abnormal
135
Outdoor Ambient Temp. Sensor Ta Abnormal
135
Discharging Temp. Sensor Td Abnormal
135
Communication Abnormal between Indoor Unit and Outdoor Unit
136
Lack of Refrigerant or Discharging Pipe Blocked
136
4-Way Valve Reversing Failure
137
Compressor Motor Desynchronizing
137
Compressor Startup Failure
137
Input Overcurrent of the Drive Module
138
Open High Pressure Switch
138
Open Low Pressure Switch
139
High Pressure Detected in System
139
Low Pressure Detected in System
Haier 2U18MS2VHB Technical Overview (122 pages)
Brand:
Haier
| Category:
Air Conditioner
| Size: 39.57 MB
Table of Contents
1
Table of Contents
2
Introduction
2
Nomenclature
3
Specifications
6
Safety Overview
8
Functions & Controls
12
Outdoor Unit Technical Overview
16
Components
19
Operations
26
Testing
29
Testing
32
Error Codes
34
Indoor Unit Technical Overview - Cassette
35
Emergency Run
56
Testing
57
Testing
58
Wired Controller
64
Wired Controller
65
Wireless Remote Controller
68
Wireless Remote Controller
69
References
73
Component Ratings
74
Ductwork Installation
75
Wiring
75
Line Voltage
90
2U - Piping Installation Dimensions
96
Flow Charts
110
Sensors
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Haier 2U18MS2VHB Installation Manual (56 pages)
Ductless Multi Zone with Highwall Indoor Unit
Brand:
Haier
| Category:
Heat Pump
| Size: 10.59 MB
Table of Contents
3
English
3
Table of Contents
4
Important Safety Information
6
Installation Instructions
9
Step 1
11
Step 2
14
Step 3
17
Step 4
19
Limited Warranty
21
Français
22
Consignes de Sécurité Importantes
24
Instructions D'installation
28
Étape 1
28
Étape 2
32
Étape 3
35
Étape 4
37
Garantie Limitée
39
Español
40
Información Importante de Seguridad
42
Instrucciones de Instalación
45
Paso 1
46
Paso 2
49
Paso 3
53
Paso 4
54
Garantía Limitada
Haier 2U18MS2VHB Installation Manual (30 pages)
Ductless Split Heat Pump
Brand:
Haier
| Category:
Heat Pump
| Size: 3.41 MB
Table of Contents
1
Table of Contents
2
Outdoor Unit Installation
2
Introduction - Overview
5
Step 1 - Preparation
6
Step 2 - Installation of the Outdoor Unit
6
Step 3 - Refrigerant Line Connections
8
Step 4 - Leak Test and Evacuation
10
Step 5 - Electrical Connections
11
Step 5 - Electrical Connections
12
Step 6 - Charging
12
Step 7 - System Test
12
Step 8 - Explaining Operation to the End User
13
Seacoast Application
13
Outdoor Unit Installation
14
Indoor Unit Installation - Cassette
14
Introduction - Overview
16
Step 1 - Preparation
17
Step 2 - Installation of the Cassette Unit
19
Step 3 - Electrical Connections
19
Step 4 - Louver Installation
19
Step 5 - Pull Vacuum On System
20
Indoor Unit Installation - Wall Mount
20
Introduction - Overview
21
Step 1 - Preparation
22
Step 2 - Installation of the Wall Mount Unit
23
Step 2 - Installation of the Wall Mount Unit
24
Step 3 - Electrical Connections
24
Step 4 - Pull Vacuum On System
25
Remote Controller
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