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RDXYQ5T8V1B
Daikin RDXYQ5T8V1B User Manual
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Installer and user reference guide
VRV IV heat pump for indoor installation
RKXYQ5T8Y1B
RDXYQ5T8V1B
RKXYQ8T7Y1B
RDXYQ8T7V1B
2
Table of Contents
Table of Contents
2
About the Documentation
6
About this Document
6
Meaning of Warnings and Symbols
7
General Safety Precautions
9
For the Installer
9
General
9
Installation Site
10
Refrigerant - in Case of R410A or R32
10
Electrical
12
Specific Installer Safety Instructions
15
For the User
18
User Safety Instructions
19
General
19
Instructions for Safe Operation
20
About the System
23
System Layout
23
User Interface
24
Operation
25
Before Operation
25
Operation Range
26
Operating the System
26
About Operating the System
26
About Cooling, Heating, Fan Only, and Automatic Operation
27
About the Heating Operation
27
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)
28
To Operate the System (with Cool/Heat Changeover Remote Control Switch)
28
Using the Dry Program
29
About the Dry Program
29
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)
29
To Use the Dry Program (with Cool/Heat Changeover Remote Control Switch)
29
Adjusting the Air Flow Direction
30
About the Air Flow Flap
30
Setting the Master User Interface
31
About Setting the Master User Interface
31
To Designate the Master User Interface (VRV DX)
31
Energy Saving and Optimum Operation
32
Available Main Operation Methods
32
Available Comfort Settings
33
Maintenance and Service
34
Maintenance after a Long Stop Period
34
Maintenance before a Long Stop Period
35
About the Refrigerant
35
After-Sales Service and Warranty
35
Warranty Period
35
Recommended Maintenance and Inspection
36
Recommended Maintenance and Inspection Cycles
36
Shortened Maintenance and Replacement Cycles
37
Troubleshooting
38
Error Codes: Overview
39
Symptoms that Are NOT System Malfunctions
41
Symptom: the System Does Not Operate
42
Symptom: Cool/Heat Cannot be Changed over
42
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
42
Symptom: the Fan Speed Does Not Correspond to the Setting
42
Symptom: the Fan Direction Does Not Correspond to the Setting
42
Symptom: White Mist Comes out of a Unit (Indoor Unit)
42
Symptom: White Mist Comes out of a Unit (Indoor Unit, Heat Exchanger Unit)
43
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
43
Symptom: Noise of Air Conditioners (Indoor Unit, Heat Exchanger Unit)
43
Symptom: Noise of Air Conditioners (Indoor Unit, Compressor Unit, Heat Exchanger Unit)
43
Symptom: Noise of Air Conditioners (Compressor Unit, Heat Exchanger Unit)
43
Symptom: Dust Comes out of the Heat Exchanger Unit
43
Symptom: the Units Can Give off Odours
43
Symptom: the Heat Exchanger Unit Fan Does Not Spin
44
Symptom: the Display Shows "88
44
Symptom: the Compressor in the Compressor Unit Does Not Stop after a Short Heating Operation
44
Symptom: the Inside of an Compressor Unit Is Warm Even When the Unit Has Stopped
44
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
44
Relocation
45
Disposal
46
For the Installer
47
About the Box
48
Overview: about the Box
48
Compressor Unit
48
To Unpack the Compressor Unit
48
To Handle the Compressor Unit
49
To Remove the Accessories from the Compressor Unit
49
To Remove the Transportation Stay
50
To Remove the Transportation EPS
50
Heat Exchanger Unit
51
To Unpack the Heat Exchanger Unit
51
To Handle the Heat Exchanger Unit
51
To Remove the Accessories from the Heat Exchanger Unit
52
To Remove the Transportation Sheet
52
About the Units and Options
53
Overview: about the Units and Options
53
Identification
53
Identification Label: Compressor Unit
53
Identification Label: Heat Exchanger Unit
54
About the Compressor Unit and Heat Exchanger Unit
54
System Layout
55
Combining Units and Options
55
About Combining Units and Options
56
Possible Combinations of Indoor Units
56
Possible Options for the Compressor Unit and Heat Exchanger Unit
56
Unit Installation
60
Preparing the Installation Site
60
Installation Site Requirements of the Compressor Unit
60
Installation Site Requirements of the Heat Exchanger Unit
62
Opening the Unit
63
About Opening the Units
63
To Open the Compressor Unit
63
To Open the Switch Box Cover of the Heat Exchanger Unit
64
Mounting the Compressor Unit
64
Precautions When Mounting the Compressor Unit
64
Guidelines When Installing the Compressor Unit
64
Mounting the Heat Exchanger Unit
65
Precautions When Mounting the Heat Exchanger Unit
65
Guidelines When Installing the Heat Exchanger Unit
65
Piping Installation
66
Preparing Refrigerant Piping
66
Refrigerant Piping Requirements
66
Refrigerant Piping Material
67
To Select the Piping Size
67
To Select Refrigerant Branch Kits
69
Refrigerant Piping Length and Height Difference
69
Connecting the Refrigerant Piping
71
About Connecting the Refrigerant Piping
71
Precautions When Connecting the Refrigerant Piping
71
Pipe Bending Guidelines
72
To Braze the Pipe End
72
Using the Stop Valve and Service Port
72
To Remove the Pinched Pipes
73
To Connect the Refrigerant Piping to the Compressor Unit
75
To Connect the Refrigerant Piping to the Heat Exchanger Unit
76
To Connect the Refrigerant Branching Kit
78
Checking the Refrigerant Piping
78
About Checking the Refrigerant Piping
78
Checking Refrigerant Piping: General Guidelines
79
Checking Refrigerant Piping: Setup
79
To Perform a Leak Test
80
To Perform Vacuum Drying
81
To Insulate the Refrigerant Piping
81
Charging Refrigerant
82
About Charging Refrigerant
82
Precautions When Charging Refrigerant
83
To Determine the Additional Refrigerant Amount
83
To Charge Refrigerant
84
Error Codes When Charging Refrigerant
87
To Fix the Fluorinated Greenhouse Gases Label
87
Electrical Installation
88
About Connecting the Electrical Wiring
88
Precautions When Connecting the Electrical Wiring
88
Field Wiring: Overview
90
Guidelines When Knocking out Knockout Holes
92
About Electrical Compliance
92
Safety Device Requirements
92
To Connect the Electrical Wiring on the Compressor Unit
93
To Connect the Electrical Wiring on the Heat Exchanger Unit
96
To Close the Compressor Unit
97
To Close the Heat Exchanger Unit
97
To Check the Insulation Resistance of the Compressor
98
Configuration
99
Overview: Configuration
99
Making Field Settings
99
About Making Field Settings
99
To Access the Field Setting Components
100
Field Setting Components
100
To Access Mode 1 or 2
102
To Use Mode 1 (and Default Situation)
103
To Use Mode 2
104
Mode 1 (and Default Situation): Monitoring Settings
105
Mode 2: Field Settings
109
To Connect the PC Configurator to the Compressor Unit
113
Energy Saving and Optimum Operation
113
Commissioning
114
Precautions When Commissioning
114
Checklist before Commissioning
114
Checklist During Commissioning
116
About the Test Run
116
To Perform a Test Run (7-Leds Display)
116
To Perform a Test Run (7-Segment Display)
117
Correcting after Abnormal Completion of the Test Run
118
Hand-Over to the User
120
Maintenance and Service
121
Overview: Maintenance and Service
121
Maintenance Safety Precautions
121
To Prevent Electrical Hazards
121
Checklist for Yearly Maintenance of the Heat Exchanger Unit
122
About Service Mode Operation
122
To Use Vacuum Mode
122
To Recover Refrigerant
123
Troubleshooting
124
Overview: Troubleshooting
124
Precautions When Troubleshooting
124
Solving Problems Based on Error Codes
124
Error Codes: Overview
125
Disposal
131
Technical Data
132
Piping Diagram: Compressor Unit and Heat Exchanger Unit
132
Wiring Diagram: Compressor Unit
134
Wiring Diagram: Heat Exchanger Unit
137
Glossary
139
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Daikin RDXYQ5T8V1B Specifications
General
Category
Heater
Model
RDXYQ5T8V1B
Power Supply
3 Phase, 380-415V, 50Hz
Refrigerant
R-410A
Energy Efficiency Class
A++
Type
Heat Pump
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