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SV1A25AJV1B
Daikin SV1A25AJV1B User Manual
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Installer and user reference guide
VRV 5-S system air conditioner
RXYSA8AMY1B
RXYSA10AMY1B
RXYSA12AMY1B
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 About this Document
6
Meaning of Warnings and Symbols
6
2 General Safety Precautions
8
For the Installer
8
General
8
Installation Site
9
Refrigerant - in Case of R410A or R32
9
Electrical
11
3 Specific Installer Safety Instructions
14
Instructions for Equipment Using R32 Refrigerant
18
For the User
20
4 User Safety Instructions
21
General
21
Instructions for Safe Operation
22
5 About the System
27
System Layout
28
6 User Interface
29
7 Operation
30
Before Operation
30
Operation Range
30
Operating the System
31
About Operating the System
31
About Cooling, Heating, Fan Only, and Automatic Operation
31
About the Heating Operation
31
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)
32
To Operate the System (with Cool/Heat Changeover Remote Control Switch)
32
Using the Dry Program
33
About the Dry Program
33
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)
33
To Use the Dry Program (with Cool/Heat Changeover Remote Control Switch)
34
Adjusting the Air Flow Direction
34
About the Air Flow Flap
34
Setting the Master User Interface
35
About Setting the Master User Interface
35
To Designate the Master User Interface
36
About Control Systems
36
8 Energy Saving and Optimum Operation
37
Available Main Operation Methods
38
Available Comfort Settings
38
9 Maintenance and Service
39
Precautions for Maintenance and Service
39
About the Refrigerant
39
After-Sales Service
40
Recommended Maintenance and Inspection
40
Recommended Maintenance and Inspection Cycles
40
Shortened Maintenance and Replacement Cycles
41
10 Troubleshooting
42
Error Codes: Overview
43
Symptoms that Are NOT System Malfunctions
46
Symptom: the System Does Not Operate
46
Symptom: Cool/Heat Cannot be Changed over
46
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
46
Symptom: the Fan Speed Does Not Correspond to the Setting
46
Symptom: the Fan Direction Does Not Correspond to the Setting
47
Symptom: White Mist Comes out of a Unit (Indoor Unit)
47
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
47
Symptom: Noise of Air Conditioners (Indoor Unit)
47
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)
47
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)
47
Symptom: Noise of Air Conditioners (Outdoor Unit)
48
Symptom: Dust Comes out of the Unit
48
Symptom: the Units Can Give off Odours
48
Symptom: the Outdoor Unit Fan Does Not Spin
48
Symptom: the Display Shows "88
48
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
48
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
48
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
48
11 Relocation
49
12 Disposal
50
13 Technical Data
51
Eco Design Requirements
51
For the Installer
52
14 About the Box
53
To Unpack the Outdoor Unit
53
To Handle the Outdoor Unit
54
To Remove the Accessories from the Outdoor Unit
55
To Remove the Transportation Stay
55
15 About the Units and Options
57
Identification Label: Outdoor Unit
57
About the Outdoor Unit
57
System Layout
58
Combining Units and Options
58
About Combining Units and Options
59
Possible Combinations of Indoor Units
59
Possible Options for the Outdoor Unit
59
16 Special Requirements for R32 Units
61
Installation Space Requirements
61
System Layout Requirements
61
To Determine the Required Safety Measures
63
Overview: Flowchart
67
Safety Measures
67
No Safety Measure
67
Alarm
68
Natural Ventilation
70
Shut-Off Valves
72
Overview: Flowchart
76
Combinations of Safety Measures
77
17 Unit Installation
78
Preparing the Installation Site
78
Installation Site Requirements of the Outdoor Unit
79
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
82
Opening and Closing the Unit
83
About Opening the Units
83
To Open the Outdoor Unit
83
To Close the Outdoor Unit
84
Mounting the Outdoor Unit
84
To Provide the Installation Structure
84
To Install the Outdoor Unit
85
To Provide Drainage
85
To Prevent the Outdoor Unit from Falling over
86
18 Piping Installation
87
Preparing Refrigerant Piping
87
Refrigerant Piping Requirements
87
Refrigerant Piping Material
87
Refrigerant Piping Insulation
88
To Select the Piping Size
88
To Select Refrigerant Branch Kits
90
Installation Limitations
91
Refrigerant Piping Length and Height Difference
92
Connecting the Refrigerant Piping
94
About Connecting the Refrigerant Piping
94
Precautions When Connecting the Refrigerant Piping
95
Pipe Bending Guidelines
96
Using the Stop Valve and Service Port
96
To Remove the Pinched Pipes
98
To Braze the Pipe End
99
To Connect the Refrigerant Piping to the Outdoor Unit
99
To Connect the Refrigerant Branching Kit
102
Checking the Refrigerant Piping
102
About Checking the Refrigerant Piping
102
Checking Refrigerant Piping: General Guidelines
103
Checking Refrigerant Piping: Setup
104
To Perform a Leak Test
104
To Perform Vacuum Drying
105
To Insulate the Refrigerant Piping
106
To Check for Leaks after Charging Refrigerant
107
19 Charging Refrigerant
108
Precautions When Charging Refrigerant
108
About Charging Refrigerant
109
About the Refrigerant
109
To Determine the Additional Refrigerant Amount
110
To Charge Refrigerant
112
Error Codes When Charging Refrigerant
114
To Fix the Fluorinated Greenhouse Gases Label
114
To Check Refrigerant Piping Joints for Leaks after Charging Refrigerant
115
20 Electrical Installation
116
About Connecting the Electrical Wiring
116
Precautions When Connecting the Electrical Wiring
116
About the Electrical Wiring
118
Guidelines for Making Knockout Holes
119
Guidelines When Connecting the Electrical Wiring
120
About Electrical Compliance
122
Specifications of Standard Wiring Components
123
To Connect the Electrical Wiring to the Outdoor Unit
124
To Connect the External Outputs
126
To Connect the Cool/Heat Selector Switch Option
127
To Check the Insulation Resistance of the Compressor
128
21 Configuration
129
Making Field Settings
129
About Making Field Settings
129
Field Setting Components
130
To Access Mode 1 or 2
130
To Use Mode 1
132
To Use Mode 2
132
Mode 1: Monitoring Settings
133
Mode 2: Field Settings
135
Indoor Unit Field Setting
140
Energy Saving and Optimum Operation
140
Available Main Operation Methods
140
Available Comfort Settings
142
Example: Automatic Mode During Cooling
143
Example: Automatic Mode During Heating
144
22 Commissioning
146
Overview: Commissioning
146
Precautions When Commissioning
146
Checklist before Commissioning
147
Checklist During Commissioning
148
About the SV Unit Test Run
149
About the System Test Run
149
To Perform a Test Run
149
Correcting after Abnormal Completion of the Test Run
150
To Perform a Sv/Indoor Unit Connection Check
151
Operating the Unit
153
23 Hand-Over to the User
154
24 Maintenance and Service
155
Maintenance Safety Precautions
155
To Prevent Electrical Hazards
155
Checklist for Yearly Maintenance of the Outdoor Unit
156
About Service Mode Operation
156
To Use Vacuum Mode
157
To Recover Refrigerant
157
Before the Maintenance and Service of a System with SV Unit
157
Unit Maintenance and Service Label
157
25 Troubleshooting
159
Overview: Troubleshooting
159
Precautions When Troubleshooting
159
Solving Problems Based on Error Codes
159
Error Codes: Overview
160
Refrigerant Leak Detection System
165
26 Disposal
168
27 Technical Data
169
Service Space: Outdoor Unit
169
Piping Diagram: Outdoor Unit
171
Wiring Diagram: Outdoor Unit
172
28 Glossary
175
Other manuals for Daikin SV1A25AJV1B
User Reference And Installation Manual
128 pages
Installation And Operation Manual
48 pages
4
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Daikin SV1A25AJV1B Specifications
General
Model
SV1A25AJV1B
Cooling Capacity
2.5 kW
Heating Capacity
3.2 kW
Refrigerant
R32
Power Supply
220-240V, 50Hz
Indoor Unit Noise Level
19 dB
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