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VRV IV W+ Series
Daikin VRV IV W+ Series User Manual
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Installer and user reference guide
VRV IV water-cooled system air conditioner
English
Installer and user
reference guide
VRV IV water-cooled system air conditioner
RWEYQ8T9Y1B
RWEYQ10T9Y1B
RWEYQ12T9Y1B
RWEYQ14T9Y1B
2
Table of Contents
Default Chapter
2
Table of Contents
2
General Safety Precautions
3
About the Documentation
3
Meaning of Warnings and Symbols
3
For the User
4
For the Installer
4
General
4
1 General Safety Precautions
4
Installation Site
5
Refrigerant
5
Brine
5
Water
6
Electrical
6
2 About the Documentation
7
About this Document
7
For the Installer
7
3 About the Box
7
Overview: about the Box
7
To Unpack the Outdoor Unit
7
To Remove the Accessories from the Outdoor Unit
8
Accessory Pipes: Diameters
8
To Remove the Transportation Stay
8
4 About the Units and Options
9
Overview: about the Units and Options
9
Identification Label: Outdoor Unit
9
About the Outdoor Unit
9
System Layout
9
Combining Units and Options
10
About Combining Units and Options
10
Possible Combinations of Indoor Units
10
Possible Combinations of Outdoor Units
10
Possible Options for the Outdoor Unit
11
5 Preparation
11
Overview: Preparation
11
Preparing Installation Site
11
Installation Site Requirements of the Outdoor Unit
11
Securing Safety against Refrigerant Leaks
12
Preparing Refrigerant Piping
13
Refrigerant Piping Requirements
13
To Select the Piping Size
13
To Select Refrigerant Branch Kits
15
About the Piping Length
15
Single Outdoor Units and Standard Multi-Outdoor-Unit Combinations
16
Multiple Outdoor Units: Possible Layouts
18
Preparing Water Piping
19
Water Quality Requirements
19
Water Circuit Requirements
19
Handling the Brazed Plate Heat Exchanger
20
About the Water Flow Rate
20
Preparing Electrical Wiring
21
About Electrical Compliance
21
Safety Device Requirements
22
6 Installation
22
Overview: Installation
22
Opening the Units
22
To Open the Outdoor Unit
22
To Open the Electrical Component Box of the Outdoor Unit
22
Mounting the Outdoor Unit
22
To Provide the Installation Structure
22
Connecting the Refrigerant Piping
23
Precautions When Connecting Refrigerant Piping
23
About Connecting the Refrigerant Piping
23
To Route the Refrigerant Piping
23
To Connect the Refrigerant Piping to the Outdoor Unit
23
To Connect the Multi Connection Piping Kit
24
To Connect the Refrigerant Branching Kit
24
To Protect against Contamination
24
To Braze the Pipe End
24
Using the Stop Valve and Service Port
25
To Remove the Pinched Pipes
25
Checking the Refrigerant Piping
26
About Checking the Refrigerant Piping
26
Checking Refrigerant Piping: General Guidelines
27
Checking Refrigerant Piping: Setup
27
To Perform a Leak Test
27
To Perform Vacuum Drying
27
To Insulate the Refrigerant Piping
28
Charging Refrigerant
28
Precautions When Charging Refrigerant
28
About Charging Refrigerant
28
To Determine the Additional Refrigerant Amount
28
To Charge Refrigerant
29
Checks after Charging Refrigerant
30
To Fix the Fluorinated Greenhouse Gases Label
30
Connecting the Water Piping
31
About Connecting the Water Piping
31
Precautions When Connecting the Water Piping
31
To Connect the Water Piping
31
To Fill the Water Circuit
31
To Insulate the Water Piping
31
Connecting the Electrical Wiring
31
Precautions When Connecting Electrical Wiring
31
Field Wiring: Overview
32
About the Electrical Wiring
32
To Route and Fix the Transmission Wiring
33
To Connect the Transmission Wiring
33
To Finish the Transmission Wiring
33
To Route and Fix the Power Supply
34
To Connect the Power Supply
34
To Connect the Optional Wiring
34
7 Configuration
35
Overview: Configuration
35
Making Field Settings
35
About Making Field Settings
35
Field Setting Components
36
To Access the Field Setting Components
36
To Access Mode 1 or 2
36
To Use Mode 1
37
To Use Mode 2
37
Mode 1: Monitoring Settings
37
Mode 2: Field Settings
38
To Connect the PC Configurator to the Outdoor Unit
40
8 Commissioning
40
Overview: Commissioning
40
Precautions When Commissioning
40
Checklist before Commissioning
40
About Test Run
41
To Perform a Test Run
41
Correcting after Abnormal Completion of the Test Run
42
Operating the Unit
42
9 Maintenance and Service
42
Overview: Maintenance and Service
42
Maintenance Safety Precautions
42
To Prevent Electrical Hazards
42
Maintenance of the Plate Heat Exchanger
42
To Clean the Plate Heat Exchanger
42
About Service Mode Operation
43
11 Disposal
44
12 Technical Data
44
Piping Diagram: Outdoor Unit
45
Wiring Diagram: Outdoor Unit
46
System Layout
47
14 User Interface
48
Operation Range
48
Using the Dry Program
49
Setting the Master User Interface
50
15 Before Operation
48
16 Operation
48
17 Energy Saving and Optimum Operation 50
51
Available Comfort Settings
51
Recommended Maintenance and Inspection
52
19 Troubleshooting
53
Error Codes: Overview
53
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)
54
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Daikin VRV IV W+ Series Specifications
General
Brand
Daikin
Model
VRV IV W+ Series
Category
Air Conditioner
Language
English
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