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SEHVX20BAW
Daikin SEHVX20BAW Installation And Operation Manual
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Installation and operation manual
Split packaged air-cooled water chiller
English
Installation and operation
manual
Split packaged air-cooled water chiller
SERHQ020BAW1
SERHQ032BAW1
SEHVX20BAW
SEHVX32BAW
SEHVX40BAW
SEHVX64BAW
2
Table of Contents
Default Chapter
5
Table of Contents
5
1 About the Documentation
6
About this Document
6
For the Installer
6
2 About the Box
6
Outdoor Unit
6
To Remove the Accessories from the Outdoor Unit
6
Indoor Unit
7
3 About the Units and Options
7
Identification
7
About the Outdoor Unit
7
About the Indoor Unit
7
Operation Range
7
System Layout
7
4 Preparation
8
Preparing the Installation Site
8
Installation Site Requirements of the Outdoor Unit
8
Installation Site Requirements of the Indoor Unit
9
Preparing Refrigerant Piping
9
Refrigerant Piping Requirements
9
To Select the Piping Size
9
About the Piping Length
10
Preparing Water Piping
10
To Check the Water Volume and Expansion Vessel Pre-Pressure
10
Preparing Electrical Wiring
11
Safety Device Requirements
11
5 Installation
11
Opening the Units
11
About Opening the Units
11
To Open the Outdoor Unit
11
To Open the Indoor Unit
12
To Open the Electrical Component Box of the Outdoor Unit
12
To Open the Electrical Component Box of the Indoor Unit
12
Mounting the Outdoor Unit
12
To Provide the Installation Structure
12
To Provide Drainage
13
Mounting the Indoor Unit
13
To Provide the Installation Structure
13
Connecting the Refrigerant Piping
14
Using the Stop Valve and Service Port
14
To Connect the Refrigerant Piping to the Outdoor Unit
14
To Connect the Refrigerant Piping to the Indoor Unit
16
Checking the Refrigerant Piping
17
Checking Refrigerant Piping: Setup
17
To Check for Leaks: Pressure Leak Test
17
To Perform Vacuum Drying
17
To Insulate the Refrigerant Piping
17
Charging Refrigerant
17
About Charging Refrigerant
17
Precautions When Charging Refrigerant
17
To Determine the Additional Refrigerant Amount
18
To Charge Refrigerant
18
Error Codes When Charging Refrigerant
20
Final Adjustment of the Refrigerant Amount
21
To Input the Additional Refrigerant Charge Weight
21
Checks after Charging Refrigerant
22
To Fix the Fluorinated Greenhouse Gases Label
22
Connecting the Water Piping
22
To Connect the Water Piping
22
To Fill the Water Circuit
22
To Insulate the Water Piping
23
Connecting the Electrical Wiring
23
Field Wiring: Overview
23
To Route and Fix the Power Supply
23
To Connect the Power Supply of the Outdoor Unit
23
To Connect the Power Supply and Transmission Cables
25
Guidelines When Knocking out Knockout Holes
25
To Install the User Interface
26
To Install Optional Equipment
26
6 Configuration
26
Making Field Settings
26
About Making Field Settings
26
Field Setting Components
27
To Access the Field Setting Components
27
To Access Mode 1 or 2
27
To Use Mode 1
28
To Use Mode 2
28
Mode 1: Monitoring Settings
28
Mode 2: Field Settings
29
Field Settings on the User Interface
29
Using the Leak Detection Function
34
About Automatic Leak Detection
34
To Manually Perform a Leak Detection
34
Switching between Cooling and Heating
34
7 Commissioning
35
Precautions When Commissioning
35
Checklist before Commissioning the Outdoor Unit
35
Checklist before Commissioning the Indoor Unit
36
Final Check
37
To Perform a Test Run of the Outdoor Unit
37
Refrigerant Added Using Automatic Charging
37
Refrigerant Added Using Manual Charging (Cooling Mode)
37
Refrigerant Added Using Manual Charging (Heating Mode, Pre-Charging)
37
Correcting after Abnormal Completion of the Test Run
38
8 Troubleshooting
38
Error Codes: Overview
38
Error Codes of the Outdoor Unit
39
9 Technical Data
39
Technical Data
39
Service Space: Outdoor Unit
39
Service Space: Indoor Unit
40
Piping Diagram: Outdoor Unit
41
Piping Diagram: Indoor Unit
42
Wiring Diagram: Outdoor Unit
43
Wiring Diagram: Indoor Unit
44
For the User
44
10 About the System
44
System Layout
44
11 User Interface
45
12 Operation
45
Operation Range
45
Quick Start-Up
45
Operating the System
46
About the Clock
46
About Operating the System
47
Space Cooling Operation
47
Space Heating Operation
47
Other Operation Modes
48
Other manuals for Daikin SEHVX20BAW
Installer And User Guide
76 pages
Installer And User Reference Guide
72 pages
4
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Daikin SEHVX20BAW Specifications
General
Model
SEHVX20BAW
Type
Air Cooled Chiller
Cooling Capacity
20 kW
Refrigerant
R-410A
EER
3.1
Power Supply
400V, 3 Phase, 50Hz
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