Daikin EKVDX-A

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1 | About the documentation

Installer and user reference guide

EKVDX32~100A2VEB

VRV system air conditioner

4P664010-1 – 2021.08

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Table of Contents2
About the Documentation5
About this Document5
General Safety Precautions7
About the Documentation7
Meaning of Warnings and Symbols7
For the Installer8
General8
Installation Site9
Refrigerant - in Case of R410A or R3210
Electrical11
Specific Installer Safety Instructions14
Instructions for Equipment Using R32 Refrigerant16
Installation Space Requirements18
To Determine the Charge Limitations19
To Determine the Floor Area22
For the User24
User Safety Instructions25
General25
Instructions for Safe Operation26
About the System31
System Layout31
Compatibility with VAM Models33
User Interface34
Operation35
Before Operation35
Operation Range35
About Operation Modes36
Basic Operation Modes36
Special Heating Operation Modes37
To Operate the System37
Energy Saving and Optimum Operation38
Maintenance and Service39
Cleaning the Air Outlet39
To Clean the Air Outlet39
Maintenance before a Long Stop Period39
Maintenance after a Long Stop Period39
About the Refrigerant39
About R32 Refrigerant Leakage Safety40
Troubleshooting42
Symptoms that Are NOT System Malfunctions43
Symptom: the System Does Not Operate43
Symptom: White Mist Comes out of a Unit (Indoor Unit)44
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)44
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes44
Symptom: Noise of Air Conditioners (Indoor Unit)44
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)44
Symptom: Dust Comes out of the Unit44
Symptom: the Units Can Give off Odours45
Relocation46
Disposal47
About the Box49
Overview: about the Box49
Indoor Unit49
To Unpack and Handle the Unit49
To Remove the Accessories from the Indoor Unit50
To Remove the Duct Flanges from the Indoor Unit51
About the Units and Options52
Identification52
Identification Label: Indoor Unit52
About the Indoor Unit52
System Layout53
Combining Units and Options54
Possible Options for the Indoor Unit55
Compatibility with Outdoor Unit55
Compatibility with VAM Models55
Unit Installation56
Preparing the Installation Site56
Installation Site Requirements of the Indoor Unit56
Mounting the Indoor Unit58
Guidelines When Installing the Indoor Unit58
Guidelines When Installing the Ducting59
Guidelines When Installing the Drain Piping60
To Connect the Drain Piping to the Indoor Unit61
Piping Installation63
Preparing Refrigerant Piping63
Refrigerant Piping Requirements63
Refrigerant Piping Insulation64
Connecting the Refrigerant Piping64
About Connecting the Refrigerant Piping64
Precautions When Connecting the Refrigerant Piping65
Guidelines When Connecting the Refrigerant Piping66
Pipe Bending Guidelines66
To Flare the Pipe End66
To Connect the Refrigerant Piping to the Indoor Unit67
Electrical Installation69
About Connecting the Electrical Wiring69
Precautions When Connecting the Electrical Wiring69
Guidelines When Connecting the Electrical Wiring70
Specifications of Standard Wiring Components71
To Connect the Electrical Wiring to the Indoor Unit72
To Connect the External Outputs74
To Connect the External Input74
System Configuration76
Independent System76
Central Control System77
Configuration78
To Set the Discharge Temperature Correction Factor78
To Deactivate the R32 Safety System78
About External Input Switching (T1/T2)79
Field Settings80
Commissioning82
Overview: Commissioning82
Precautions When Commissioning82
Checklist before Commissioning82
To Perform a Test Run84
Hand-Over to the User85
Maintenance and Service86
Checklist for Yearly Maintenance of the Indoor Unit86
Troubleshooting87
Solving Problems Based on Error Codes87
Error Codes: Overview87

Daikin EKVDX-A - Page 6

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