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Daikin Manuals
Air Conditioner
Altherma EKHBH Series
Service manual
Table Of Contents - Daikin Altherma EKHBH Series Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Table of Contents
System Outline
1
General Outline: Altherma
3
Table Of Contents
3
Eryq005~007Aav3N: Outlook And Dimensions
4
Ekhbh007A***: Outlook And Dimensions
6
Ekhbx007A***: Outlook And Dimensions
8
Eksww150~300V3: Outlook And Dimensions - Service Space
10
Eryq005~007Aav3N: Installation And Service Space
12
Ekhbh(X)007A: Installation And Service Space
13
Physical Limitations And Limits Of Operation
14
Specifications
15
Part 1 – System Outline
15
Ekhbh And Ekhbx
18
Electrical Specifications
19
Functional Diagrams
21
Complete System
22
Components
23
Electrical Connection Diagram
24
Standard Parts
24
Pipe Connection Diameters
25
Hydro-Box
25
Piping Diagrams
27
Switch Box Layout
33
Wiring Diagrams
39
Ekhbh(X)005~007A3V3
40
Ekhbh(X)005~007A6V3
42
Ekhbh(X)005~007A6W1/A9W1
44
Ekhbh(X)005~007A6T1/A9T1
46
Eryq005~007Aav3N
48
Eksww150~300V3/Z2
50
Pcb Layout
51
Functional Description
59
General Functionality
61
Preheating Operation
62
Esie06
62
Four Way Valve Switching
63
Heat Pump
63
Freeze-Up Protection Control
64
Conditions For Start Controlling
64
Control In Each Zone
64
Hydro-Box Functional Concept
65
Defrost Control
66
Conditions For Starting Defrost
66
Conditions For Canceling Defrost
66
Forced Operation Mode
67
Forced Cooling
67
Outdoor Unit Functional Concept
69
Frequency Principle
70
Main Control Parameters
70
Additional Control Parameters
70
Inverter Principle
70
Inverter Features
71
Energy Saving Heating And Cooling
71
Frequency Limits
71
Frequency Control
72
How To Determine Frequency
72
For Heat Pump Model
72
Frequency Initial Setting
73
P Control
73
I Control
73
Limit Of Frequency Variation Width
73
Controls At Mode Changing / Start-Up
74
3 Minutes Stand-By
74
Discharge Pipe Temperature Control
75
Divide The Zone
75
Management Within The Zones
75
Input Current Control
76
Frequency Control In Each Zone
76
Drooping Zone
76
Reset Zone
76
Heating Peak-Cut Control
77
Fan Control
78
Liquid Compression Protection Function 2
79
Low Hz High Pressure Limit
80
Separate Into Zones
80
Electronic Expansion Valve Control
81
Pressure Equalization Control
83
Opening Limit
83
Starting Operation Control
83
High Temperature Of The Discharge Pipe
83
Control When Frequency Is Changed
84
Target Discharge Pipe Temperature Control
84
Malfunctions
85
Sensor Malfunction Detection
85
Detection Of Overload And Over Current
85
Insufficient Gas Control
86
Judgment By Input Current
86
Troubleshooting
87
Procedure Of Self-Diagnosis By Remote Controller
90
The Inspection/Test Button
90
Fault-Diagnosis By Remote Controller
91
Overview Of Error Codes
92
Error Codes: Hydro-Box
93
"A1" Hydro-Box PCB Abnormality
94
"A5" Freeze-Up Protection Control or High Pressure Control
95
"C4, 81, 80, HC" Thermistor or Related Abnormality (Hydro-Box)
96
Error Codes: Outdoor Units
97
"E1" Outdoor Unit PCB Abnormality
98
"E5" OL Activation (Compressor Overload)
99
"E6" Compressor Lock
101
"E7" DC Fan Lock
102
"E8" Input over Current Detection
103
"EA" Four Way Valve Abnormality
105
"F3" Discharge Pipe Temperature Control
107
"F6" High Pressure Control in Cooling
109
"H0" Compressor Sensor System Abnormality
111
"H6" Compressor Startup Failure
113
"H8" CT or Related Abnormality
115
"P4, J3, J6, H9" Thermistor or Related Abnormality (Outdoor Unit)
117
"L3" Switch Box Temperature Rise
119
"L4" Radiation Fin Temperature Rise
121
"L5" Output over Current Detection
123
Error Codes: System Malfunctions
127
"U0" Insufficient Gas
128
"U2" Low-Voltage Detection or Over-Voltage Detection
130
Supposed Causes
130
Additional Checks For Troubleshooting
135
Fan Motor Connector Output Check
136
Electronic Expansion Valve Check
137
Four Way Valve Performance Check
138
Thermistor Resistance Check
139
Installation Condition Check
141
Discharge Pressure Check
142
Outdoor Unit Fan System Check (With Dc Motor)
143
Power Supply Waveforms Check
144
Inverter Units Refrigerant System Check
145
Capacitor Voltage Check
146
Power Transistor Check
147
Main Circuit Electrolytic Capacitor Check
148
Turning Speed Pulse Input On The Outdoor Unit Pcb Check
149
"Inverter Checker" Check
150
Disassembly And Maintenance
153
Maintenance
155
Removal Procedure: Outdoor Unit Eryq005~007Aav3
157
Removal Of The Panels And Plates
158
Removal Of The Fan Motor / Propeller Fan
162
Removal Of The Electrical Box
166
Removal Of The Pcb
170
Removal Of The Sound Blanket
173
Removal Of The Four Way Valve
175
Removal Of The Electronic Expansion Valve
176
Removal Of The Compressor
177
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Table of Contents
Eryq005~007Aav3N: Outlook and Dimensions
Ekhbh007A***: Outlook and Dimensions
Eksww150~300V3: Outlook and Dimensions - Service...
Eryq005~007Aav3N: Installation and Service Space
Ekhbh(X)007A: Installation and Service Space
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Table of Contents
Troubleshooting
Troubleshooting
87
Additional Checks for Troubleshooting
135
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This manual is also suitable for:
Altherma ekhbx series
Altherma ekhbh007a series
Altherma eryq005abv3
Altherma eryq006abv3
Altherma eryq007abv3
Altherma eryq005a
...
Show all
Altherma eryq006a
Altherma eryq007a
Altherma eksww150v3
Altherma eksww200v3
Altherma eksww200z2
Altherma eksww300v3
Altherma eksww300z2
Altherma ekhbx007 series
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