Name: Daikin REYA16A7Y1B
Brand: Daikin
Rating: 5 (1 reviews)

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Installation and operation manual

VRV 5 heat recovery

English

Installation and operation manual

VRV 5 heat recovery

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Table of Contents7
Instructions for Equipment Using R32 Refrigerant10
For the User11
User Safety Instructions11
General11
Instructions for Safe Operation12
About the System13
System Layout14
User Interface14
Operation14
Operation Range14
Operating the System14
About Operating the System14
About Cooling, Heating, Fan Only, and Automatic Operation14
About the Heating Operation14
To Operate the System15
Using the Dry Program15
About the Dry Program15
To Use the Dry Program15
Adjusting the Air Flow Direction15
About the Air Flow Flap15
Setting the Master User Interface16
About Setting the Master User Interface16
To Designate the Master User Interface16
Maintenance and Service16
About the Refrigerant16
After-Sales Service and Warranty16
Warranty Period16
Recommended Maintenance and Inspection16
Troubleshooting16
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)19
Symptom: Noise of Air Conditioners (Outdoor Unit)19
Symptom: Dust Comes out of the Unit19
Symptom: the Units Can Give off Odours19
Symptom: the Outdoor Unit Fan Does Not Spin19
Symptom: the Display Shows "8819
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation19
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped19
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped19
Relocation19
For the Installer20
About the Box20
To Remove the Accessories from the Outdoor Unit20
Accessory Pipes: Diameters20
To Remove the Transportation Stay (Only for 5~12 HP)20
About the Units and Options20
About the Outdoor Unit20
System Layout21
Special Requirements for R32 Units21
Installation Space Requirements21
System Layout Requirements21
About the Charge Limit23
To Determine the Charge Limit23
Unit Installation26
Preparing the Installation Site26
Installation Site Requirements of the Outdoor Unit27
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates27
Opening the Unit27
To Open the Outdoor Unit27
To Open the Electrical Component Box of the Outdoor Unit28
Mounting the Outdoor Unit28
To Provide the Installation Structure28
Piping Installation28
Preparing Refrigerant Piping29
Refrigerant Piping Requirements29
Refrigerant Piping Material29
To Select the Piping Size29
To Select Refrigerant Branch Kits30
Multiple Outdoor Units: Possible Layouts30
Connecting the Refrigerant Piping31
To Route the Refrigerant Piping31
To Connect the Refrigerant Piping to the Outdoor Unit31
To Connect the Multi Connection Piping Kit31
To Connect the Refrigerant Branching Kit31
To Protect against Contamination32
Using the Stop Valve and Service Port32
To Remove the Pinched Pipes32
Checking the Refrigerant Piping33
About Checking the Refrigerant Piping33
Checking Refrigerant Piping: General Guidelines33
Checking Refrigerant Piping: Setup33
To Perform a Leak Test34
To Perform Vacuum Drying34
To Insulate the Refrigerant Piping34
To Check for Leaks after Charging Refrigerant35
Charging Refrigerant35
Precautions When Charging Refrigerant35
About Charging Refrigerant35
To Determine the Additional Refrigerant Amount36
To Charge Refrigerant: Flow Chart37
To Charge Refrigerant37
Error Codes When Charging Refrigerant38
Checks after Charging Refrigerant38
To Fix the Fluorinated Greenhouse Gases Label39
To Check for Refrigerant Leaks after Charging39
Electrical Installation39
About Electrical Compliance39
Safety Device Requirements39
To Route and Fix the Transmission Wiring40
To Connect the Transmission Wiring41
To Finish the Transmission Wiring41
To Route and Fix the Power Supply41
To Connect the Power Supply41
To Connect the External Outputs42
To Check the Insulation Resistance of the Compressor42
Configuration42
Making Field Settings42
About Making Field Settings42
Field Setting Components43
To Access the Field Setting Components43
To Access Mode 1 or 243
To Use Mode 143
To Use Mode 244
Mode 1: Monitoring Settings44
Mode 2: Field Settings44
Using the Leak Detection Function46
About Automatic Leak Detection46
Commissioning46
Precautions When Commissioning46
Checklist before Commissioning46
Checklist During Commissioning47
About the BS Unit Test Run47
About the Test Run47
To Perform a Test Run47
Correcting after Abnormal Completion of the Test Run48
To Perform a Bs/Indoor Unit Connection Check48
Hand-Over to the User48
Troubleshooting48
Solving Problems Based on Error Codes48
Error Codes: Overview49
Refrigerant Leak Detection System52
Technical Data53
Service Space: Outdoor Unit53
Wiring Diagram: Outdoor Unit54
Disposal55

Model	REYA16A7Y1B
Energy Efficiency Class (Cooling)	A++
Refrigerant	R32
Operating Temperature Range (Heating)	-15°C to 24°C
Operating Temperature Range (Cooling)	10°C to 46°C

Daikin REYA16A7Y1B User Manual

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