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RXYSQ4T7V1B
Daikin RXYSQ4T7V1B User Manual
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Installation and operation manual
VRV IV-S system air conditioner
English
Installation and operation
manual
VRV IV-S system air conditioner
RXYSQ4T7V1B
RXYSQ5T7V1B
RXYSQ6T7V1B
RXYSQ4T7Y1B
RXYSQ5T7Y1B
RXYSQ6T7Y1B
2
Table of Contents
Table of Contents
4
About the Documentation
5
About this Document
5
For the Installer
5
About the Box
5
Outdoor Unit
5
To Remove the Accessories from the Outdoor Unit
5
About the Units and Options
5
About the Outdoor Unit
5
System Layout
5
Preparation
6
Preparing Installation Site
6
Installation Site Requirements of the Outdoor Unit
6
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
6
Preparing Refrigerant Piping
6
Refrigerant Piping Requirements
6
Refrigerant Piping Material
6
To Select the Piping Size
7
To Select Refrigerant Branch Kits
8
Preparing Electrical Wiring
8
Safety Device Requirements
8
Installation
8
Opening the Units
8
To Open the Outdoor Unit
8
Mounting the Outdoor Unit
8
To Provide the Installation Structure
8
To Install the Outdoor Unit
9
To Provide Drainage
9
To Prevent the Outdoor Unit from Falling over
9
Connecting the Refrigerant Piping
9
Using the Stop Valve and Service Port
9
To Connect the Refrigerant Piping to the Outdoor Unit
10
Checking the Refrigerant Piping
11
About Checking the Refrigerant Piping
11
Checking Refrigerant Piping: General Guidelines
12
Checking Refrigerant Piping: Setup
12
To Perform a Leak Test
12
To Perform Vacuum Drying
12
To Insulate the Refrigerant Piping
12
Charging Refrigerant
13
Precautions When Charging Refrigerant
13
To Determine the Additional Refrigerant Amount
13
To Charge Refrigerant
13
Error Codes When Charging Refrigerant
14
To Fix the Fluorinated Greenhouse Gases Label
14
Connecting the Electrical Wiring
14
Field Wiring: Overview
14
Guidelines When Knocking out Knockout Holes
15
Guidelines When Connecting the Electrical Wiring
15
To Connect the Electrical Wiring on the Outdoor Unit
15
Finishing the Outdoor Unit Installation
16
To Finish the Transmission Wiring
16
Configuration
16
Making Field Settings
17
About Making Field Settings
17
To Access the Field Setting Components
17
Field Setting Components
17
To Access Mode 1 or 2
18
To Use Mode 1
18
To Use Mode 2
18
Mode 1 (and Default Situation): Monitoring Settings
19
Mode 2: Field Settings
19
To Connect the PC Configurator to the Outdoor Unit
22
Commissioning
22
Precautions When Commissioning
22
Checklist before Commissioning
22
Checklist During Commissioning
23
About Test Run
23
To Perform a Test Run (7-Leds Display)
23
Correcting after Abnormal Completion of the Test Run
23
Operating the Unit
23
Troubleshooting
23
Solving Problems Based on Error Codes
23
Error Codes: Overview
24
Technical Data
25
Service Space: Outdoor Unit
25
Piping Diagram: Outdoor Unit
26
Wiring Diagram: Outdoor Unit
26
10 For the User
27
About the System
27
System Layout
28
11 User Interface
28
Operation
28
Operation Range
28
Operating the System
28
About Operating the System
28
About Cooling, Heating, Fan Only, and Automatic Operation
28
About the Heating Operation
28
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)
28
To Operate the System (with Cool/Heat Changeover Remote Control Switch)
29
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
29
About the Air Flow Flap
29
Setting the Master User Interface
30
About Setting the Master User Interface
30
To Designate the Master User Interface (VRV DX)
30
To Designate the Master User Interface (RA DX)
30
13 Maintenance and Service
30
After-Sales Service and Warranty
31
Warranty Period
31
Recommended Maintenance and Inspection
31
Troubleshooting
31
Error Codes: Overview
31
Symptoms that Are Not Air Conditioner Troubles
32
Symptom: the System Does Not Operate
32
Symptom: Cool/Heat Cannot be Changed over
32
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
32
Symptom: the Fan Strength Does Not Correspond to the Setting
32
Symptom: the Fan Direction Does Not Correspond to the Setting
33
Symptom: White Mist Comes out of a Unit (Indoor Unit)
33
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Daikin RXYSQ4T7V1B Specifications
General
Brand
Daikin
Model
RXYSQ4T7V1B
Category
Air Conditioner
Language
English
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