Daikin VRV 5 RXYA8A7Y1B - Installation And Operation Manual

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Installation and operation manual

VRV 5 heat pump

English

Installation and operation manual

VRV 5 heat pump

RXYA8A7Y1B

RXYA10A7Y1B

RXYA12A7Y1B

RXYA14A7Y1B

RXYA16A7Y1B

RXYA18A7Y1B

RXYA20A7Y1B

RYMA5A7Y1B

Main Page

Table of Contents3
Instructions for Equipment Using R32 Refrigerant7
For the User7
User Safety Instructions7
General7
Instructions for Safe Operation8
About the System10
System Layout10
User Interface11
Operation11
Operation Range11
Operating the System11
About Operating the System11
About Cooling, Heating, Fan Only, and Automatic Operation11
About the Heating Operation11
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)12
To Operate the System (with Cool/Heat Changeover 13.4 Remote Control Switch)12
Using the Dry Program12
About the Dry Program12
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)12
To Use the Dry Program12
Remote Control Switch12
Adjusting the Air Flow Direction13
About the Air Flow Flap13
Setting the Master User Interface13
About Setting the Master User Interface13
To Designate the Master User Interface13
Maintenance and Service14
Precautions for Maintenance and Service14
About the Refrigerant14
After-Sales Service14
Recommended Maintenance and Inspection14
Troubleshooting14
Symptom: Noise of Air Conditioners (Outdoor Unit)17
Symptom: Dust Comes out of the Unit17
Symptom: the Units Can Give off Odours17
Symptom: the Outdoor Unit Fan Does Not Spin17
Symptom: the Display Shows "8817
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation17
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped17
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped17
Relocation17
Disposal17
To Remove the Transportation Stay (Only for 5~12 HP)18
12 About the Units and Options18
About the Outdoor Unit18
System Layout18
13 Special Requirements for R32 Units19
Installation Space Requirements19
System Layout Requirements19
To Determine the Required Safety Measures21
Overview: Flowchart22
Safety Measures22
No Safety Measure22
Alarm22
Natural Ventilation23
Shut-Off Valves24
Overview: Flowchart26
Combinations of Safety Measures27
14 Unit Installation27
Preparing the Installation Site27
Installation Site Requirements of the Outdoor Unit27
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates27
Opening the Unit28
To Open the Outdoor Unit28
To Open the Switch Box of the Outdoor Unit28
Mounting the Outdoor Unit28
To Provide the Installation Structure28
To Install the Outdoor Unit29
15 Piping Installation29
Preparing Refrigerant Piping29
Refrigerant Piping Requirements29
Refrigerant Piping Material29
To Select the Piping Size29
To Select Refrigerant Branch Kits30
Installation Limitations31
Multiple Outdoor Units: Possible Layouts31
Connecting the Refrigerant Piping32
Using the Stop Valve and Service Port32
To Route the Refrigerant Piping32
To Protect against Contamination33
To Remove the Pinched Pipes33
To Connect the Refrigerant Piping to the Outdoor Unit33
To Connect the Multi Connection Piping Kit33
To Connect the Refrigerant Branching Kit34
Checking the Refrigerant Piping34
About Checking the Refrigerant Piping34
Checking Refrigerant Piping: General Guidelines34
Checking Refrigerant Piping: Setup35
To Perform a Leak Test35
To Perform Vacuum Drying35
To Insulate the Refrigerant Piping35
To Check for Leaks after Charging Refrigerant36
16 Charging Refrigerant36
Precautions When Charging Refrigerant36
About Charging Refrigerant37
To Determine the Additional Refrigerant Amount37
To Charge Refrigerant: Flow Chart38
To Charge Refrigerant38
Error Codes When Charging Refrigerant39
Checks after Charging Refrigerant39
To Fix the Fluorinated Greenhouse Gases Label40
To Check Refrigerant Piping Joints for Leaks after Charging Refrigerant40
17 Electrical Installation40
About Electrical Compliance40
Specifications of Standard Wiring Components41
Connecting the Electrical Wiring41
To Route and Fix the Interconnection Wiring42
To Connect the Interconnection Wiring42
To Finish the Interconnection Wiring43
To Route and Fix the Power Supply43
To Connect the Power Supply43
To Connect the External Outputs44
To Check the Insulation Resistance of the Compressor44
Configuration45
Making Field Settings45
About Making Field Settings45
Field Setting Components45
To Access the Field Setting Components45
To Access Mode 1 or 246
To Use Mode 146
To Use Mode 246
Mode 1: Monitoring Settings46
Mode 2: Field Settings47
Indoor Unit Field Setting48
Using the Leak Detection Function49
About Automatic Leak Detection49
To Manually Perform a Leak Detection49
19 Commissioning49
Precautions When Commissioning49
Checklist before Commissioning50
Checklist During Commissioning50
About the SV Unit Test Run50
About the System Test Run50
To Perform a Test Run51
Correcting after Abnormal Completion of the Test Run51
To Perform a Sv/Indoor Unit Connection Check51
20 Hand-Over to the User52
Maintenance and Service52
Maintenance Safety Precautions52
To Prevent Electrical Hazards52
Checklist for Yearly Maintenance of the Outdoor Unit53
About Service Mode Operation53
To Use Vacuum Mode53
To Recover Refrigerant53
Before the Maintenance and Service of a System with SV Unit53
Unit Maintenance and Service Label53
Troubleshooting53
Solving Problems Based on Error Codes53
Error Codes: Overview54
Refrigerant Leak Detection System58
23 Disposal58
24 Technical Data59
Service Space: Outdoor Unit59
Piping Diagram: Outdoor Unit60
Wiring Diagram: Outdoor Unit62

Daikin VRV 5 RXYA8A7Y1B - Installation And Operation Manual

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