Name: Daikin VRV IV S Series
Brand: Daikin
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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

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Table of Contents5
About the Documentation6
About this Document6
For the Installer6
About the Box6
Outdoor Unit6
To Remove the Accessories from the Outdoor Unit6
To Remove the Transportation Stay6
About the Units and Options7
About the Outdoor Unit7
System Layout7
Preparation7
Preparing Installation Site7
Installation Site Requirements of the Outdoor Unit7
Additional Installation Site Requirements of the7
Preparing Refrigerant Piping7
Refrigerant Piping Requirements7
Refrigerant Piping Material8
To Select the Piping Size8
To Select Refrigerant Branch Kits9
Preparing Electrical Wiring9
Safety Device Requirements9
Installation9
Opening the Units9
To Open the Outdoor Unit9
Mounting the Outdoor Unit10
To Provide the Installation Structure10
To Install the Outdoor Unit10
To Provide Drainage10
To Prevent the Outdoor Unit from Falling over10
Connecting the Refrigerant Piping10
Using the Stop Valve and Service Port11
To Remove the Pinched Pipes11
To Connect the Refrigerant Piping to the Outdoor Unit12
Checking the Refrigerant Piping13
About Checking the Refrigerant Piping13
Checking Refrigerant Piping: General Guidelines13
Checking Refrigerant Piping: Setup14
To Perform a Leak Test14
To Perform Vacuum Drying14
To Insulate the Refrigerant Piping14
Charging Refrigerant15
Precautions When Charging Refrigerant15
To Determine the Additional Refrigerant Amount15
To Charge Refrigerant15
Error Codes When Charging Refrigerant16
To Fix the Fluorinated Greenhouse Gases Label16
Connecting the Electrical Wiring17
Field Wiring: Overview17
Guidelines When Knocking out Knockout Holes17
Guidelines When Connecting the Electrical Wiring17
To Connect the Electrical Wiring on the Outdoor Unit17
Finishing the Outdoor Unit Installation18
To Finish the Transmission Wiring18
Configuration18
Making Field Settings19
About Making Field Settings19
To Access the Field Setting Components19
Field Setting Components19
To Access Mode 1 or 220
To Use Mode 120
To Use Mode 221
Mode 1 (and Default Situation): Monitoring Settings21
Mode 2: Field Settings23
To Connect the PC Configurator to the Outdoor Unit25
Commissioning25
Precautions When Commissioning25
Checklist before Commissioning25
Checklist During Commissioning26
About Test Run26
To Perform a Test Run (7-Leds Display)26
To Perform a Test Run (7-Segments Display)27
Correcting after Abnormal Completion of the Test Run27
Operating the Unit27
Troubleshooting27
Solving Problems Based on Error Codes27
Error Codes: Overview28
Technical Data30
Service Space: Outdoor Unit30
Piping Diagram: Outdoor Unit31
Wiring Diagram: Outdoor Unit32
For the User34
10 About the System34
System Layout34
User Interface34
Operation34
Operation Range34
Operating the System35
About Operating the System35
About Cooling, Heating, Fan Only, and Automatic Operation35
About the Heating Operation35
To Operate the System35
Using the Dry Program35
About the Dry Program35
To Use the Dry Program35
Adjusting the Air Flow Direction35
About the Air Flow Flap35
Setting the Master User Interface36
About Setting the Master User Interface36
To Designate the Master User Interface (VRV DX)36
To Designate the Master User Interface (RA DX)36
13 Maintenance and Service36
About the Refrigerant36
After-Sales Service and Warranty37
Warranty Period37
Recommended Maintenance and Inspection37
14 Troubleshooting37
Error Codes: Overview38
Symptoms that Are NOT System Malfunctions38
Symptom: the System Does Not Operate39
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work39
Symptom: the Fan Strength Does Not Correspond to the Setting39
Symptom: the Fan Direction Does Not Correspond to the Setting39
Symptom: White Mist Comes out of a Unit (Indoor Unit)39
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)39

Daikin VRV IV S Series User Manual

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Brand	Daikin
Model	VRV IV S Series
Category	Heat Pump
Language	English