Daikin REYQ168 Installation Manual

Design, Installation & Testing InstructionR-410A Heat Recovery 60HzSiUS39-506

.Product Outline SiUS39-5064 General Information1.3 Model SelectionVRV II Heat Recovery SeriesConnectable indoor units number and capacityConnectable

Test Operation SiUS39-50694 General InformationSetting of Demand OperationBy connecting the external contact input to the demand input of the outdoor

SiUS39-506 Test OperationGeneral Information 95Image of operation in the case of AImage of operation in the case of BImage of operation in the case of

Test Operation SiUS39-50696 General InformationDetailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn sett

SiUS39-506 Test OperationGeneral Information 97cdeSetting No.Setting contentsSetting No. indication Setting No. indication Setting contentsSetting con

Test Operation SiUS39-50698 General Information4.4.2.4 Setting of Refrigerant Additional Charging OperationWhen additional refrigerant is not charged

SiUS39-506 Test OperationGeneral Information 99[Operation procedure detail]cAfter turning the respective power supply switch of indoor and outdoor uni

Test Operation SiUS39-506100 General Information4.4.2.6 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expan

SiUS39-506 Caution for Refrigerant LeaksGeneral Information 1015. Caution for Refrigerant Leaks5.1 Caution for Refrigerant Leaks(Points to note in con

Caution for Refrigerant Leaks SiUS39-506102 General InformationA.Where there are no smaller room divisionsB.Where there is a room division but there i

SiUS39-506 Hand Over to CustomerGeneral Information 1036. Hand Over to Customer6.1 Operational StepsImportant Points a) The measurements taken during

SiUS39-506 Points to Bear in Mind at the System DesignGeneral Information 52. Points to Bear in Mind at the System Design2.1 Points Relating to the Pe

Appendix SiUS39-506104 General Information7. Appendix7.1 Operating Noise of Indoor Units7.1.1 Difference between Catalogue Data and Actual NoiseOperat

SiUS39-506 AppendixGeneral Information 1057.1.2 Faint Noises and Correcting Operating Noise with Respect to Faint NoisesFaint noises are defined as pe

Appendix SiUS39-506106 General Information7.2 Allowable Piping Length7.2.1 Branch with refnet joint(Connection of 8 indoor units Heat pump system)Pipi

SiUS39-506 AppendixGeneral Information 107Between outdoor branch and outdoor unit (Only for multiple outdoor units) • Actual pipe lengthPiping lengt

Appendix SiUS39-506108 General Information7.2.2 Branch with refnet joint and refnet header(Connection of 8 indoor units Heat pump system)Piping from B

SiUS39-506 AppendixGeneral Information 109Between outdoor branch and outdoor unit (Only for multiple outdoor units) • Actual pipe lengthPiping lengt

Appendix SiUS39-506110 General Information7.2.3 Branch with refnet header(Connection of 8 indoor units Heat pump system)Piping from BS unit to indoor

SiUS39-506 AppendixGeneral Information 111Between outdoor branch and outdoor unit (Only for multiple outdoor units) • Actual pipe lengthPiping lengt

Appendix SiUS39-506112 General Information7.3 Refrigerant branch kit selection7.3.1 How to select the refnet jointWhen using refnet joints at the fir

SiUS39-506 AppendixGeneral Information 1137.3.2 How to select the refnet headerChoose from the following table in accordance with the total capacity

Points to Bear in Mind at the System Design SiUS39-5066 General Information3. Positioning of indoor unitPosition such that maintenance and repairs ca

Appendix SiUS39-506114 General Information7.4 Pipe size selectionFor an outdoor unit multi installation, make the settings in accordance with the foll

SiUS39-506 AppendixGeneral Information 115Piping between outdoor branch and outdoor unit (part B)(Unit:in.)Oil-equalizing line (Only for multiple outd

Appendix SiUS39-506116 General Information7.5 How to calculate the additional refrigerant to be chargedAdditional refrigerant to be charged R (lb.)R s

SiUS39-506 AppendixGeneral Information 1173P124659A

Appendix SiUS39-506118 General Information7.6 REFNET Pipe Connections for VRV II R-410A Series7.6.1 REFNET Joint (Branch Kit)KHRP26M22TKHRP26M33TKHRP2

SiUS39-506 AppendixGeneral Information 119KHRP25M22TKHRP25M33TKHRP25M72TUD3K03626ASuction gas sideDischarge gas sideLiquid sideInsulationInsulationIns

Appendix SiUS39-506120 General Information7.6.2 REFNET Header (Branch Kit)KHRP26M22HKHRP26M33HKHRP26M72HD3K03629BGas SideLiquid SideInsulationInsulati

SiUS39-506 AppendixGeneral Information 1211. REFNET JointsFor gas and liquid branch pipesMake sure that all branch pipes are fitted such that they br

Appendix SiUS39-506122 General InformationWhen the number of indoor units to be connected to the branch pipes is less than the number of branch pipes

SiUS39-506 AppendixGeneral Information 1237.7 VRV Inspection SheetOutdoor unit system nameOutdoor unit 1Outdoor unit 2Inspection date: Delivery date:T

SiUS39-506 Points to Bear in Mind at the System DesignGeneral Information 72.2 The Installation is of Vital ImportanceThe analysis of major installati

Appendix SiUS39-506124 General InformationBefore turning on the powerInspection itemInspection methodStandard (guideline) Measurement valuesDecisionBr

SiUS39-506 AppendixGeneral Information 125Inspection itemInspection methodStandard (guideline) Measurement valuesDecisionIndoorunitRefrigerant systemG

Appendix SiUS39-506126 General InformationBSunitRefrigerant systemGas Leak detector or visual inspectionNo leaksBS 1 G NG BS 2 G NG BS 3

SiUS39-506 AppendixGeneral Information 127During operation(V1093)Inspection itemInspection methodStandard (guideline) Measurement valuesDecisionOutdoo

Appendix SiUS39-506128 General InformationDuring operation(V1094)Inspection itemInspection methodStandard (guideline) Measurement valuesDecisionIndoor

SiUS39-506 AppendixGeneral Information 1297.8 Piping System Diagrams7.8.1 Outdoor UnitREYQ96MTJU4D045329

Appendix SiUS39-506130 General Information7.8.2 Indoor UnitFXFQ 12M / 18M / 24M / 30M / 36MVJUFXSQ 12M / 18M / 24M / 30M / 36M / 48MVJUFXMQ 30M / 36M

SiUS39-506 AppendixGeneral Information 1317.8.3 BS UnitBSVQ36MVJBSVQ60MVJ4D045338

Appendix SiUS39-506132 General Information7.9 Wiring Diagrams7.9.1 Outdoor UnitREYQ96MTJU3D044892A

SiUS39-506 AppendixGeneral Information 1337.9.2 Field WiringREYQ96MTJU C:3D050361

Points to Bear in Mind at the System Design SiUS39-5068 General Information2.3 Striking a Balance between System Installation and General Construction

Appendix SiUS39-506134 General InformationREYQ192MTJU C:3D050354

SiUS39-506 AppendixGeneral Information 1357.10 Bad Examples and Good Examples in Installation7.10.1 Example 1: Signal interference due to use of multi

Appendix SiUS39-506136 General Information7.10.2 Example 2: Mismatch between cables connecting indoor and outdoor units and corresponding piping. (all

SiUS39-506 AppendixGeneral Information 1377.10.3 Example 3: Drain pipe trap shape defectiveSituation Indoor unit was fitted with a drain trap but a le

Appendix SiUS39-506138 General Information7.10.4 Example 4: Pressure down despite absence of leaks during air tight test (all model)Situation In order

SiUS39-506 AppendixGeneral Information 1397.10.5 Example 5: Excessive noise due to incorrect angling of REFNET jointsSituation The noise of the refrig

Appendix SiUS39-506140 General Information7.10.6 Example 6: Cracks develop in field pipes due to thermal expansion and contractionSituation Refrigeran

SiUS39-506 AppendixGeneral Information 1417.10.7 Example 7: Transmission wiring between the cool/heat selector and the outdoor unit is too close to a

Appendix SiUS39-506142 General InformationMain PointsWhen communications with the central remote controller are down, “00” cannot be selected in the

SiUS39-506Installation Manual REYQ96MTJU 143Part 2Part 2Part 2Part 2Installation ManualInstallation ManualInstallation ManualInstallation ManualREYQ96

SiUS39-506 Points to Bear in Mind at the System DesignGeneral Information 9Note:1. The division of the work should be thoroughly clarified. (This appl

SiUS39-506144 Installation Manual REYQ96MTJUPlease read these “SAFETY CONSIDERATIONS” carefully before installing air conditioning equipment and be su

SiUS39-506Installation Manual REYQ96MTJU 145When wiring the power supply and connecting the remote controller wiring and transmission wiring, positio

SiUS39-506146 Installation Manual REYQ96MTJUDo not touch the refrigerant pipes during and immediately after operation.During and immediately after op

SiUS39-506Installation Manual REYQ96MTJU 147CAUTION Do not allow children to mount on the outdoor unit, or avoid placing any object on it. Falling or

Introduction SiUS39-506148 Installation Manual REYQ96MTJU1. IntroductionThis installation manual concerns VRV inverters of the Daikin REYQ-M series. T

SiUS39-506 IntroductionInstallation Manual REYQ96MTJU 1491.3 Standard Supplied Accessories* Use the flare nut attached to the discharge gas shutoff va

Introduction SiUS39-506150 Installation Manual REYQ96MTJU1.4 Option AccessoryTo install the outdoor unit, the following optional parts are also requir

SiUS39-506 IntroductionInstallation Manual REYQ96MTJU 1511.6 Electrical Specifications (1)Model REYQ96MTJU REYQ192MTJUPower supplyPhase — 3 ~3 ~Freque

Main Components SiUS39-506152 Installation Manual REYQ96MTJU2. Main ComponentsFor main components and function of the main components, refer to the En

SiUS39-506 Selection of LocationInstallation Manual REYQ96MTJU 1533. Selection of LocationThis unit, both indoor and outdoor, is suitable for installa

Points to Bear in Mind at the System Design SiUS39-50610 General Information2.4.1 At the Contract Drawing Stage the Following Points are Critical!!Che

Selection of Location SiUS39-506154 Installation Manual REYQ96MTJU2. In heavy snowfall areas, select an installation site where snow will not affect o

SiUS39-506 Inspecting and Handling the UnitInstallation Manual REYQ96MTJU 1554. Inspecting and Handling the UnitAt delivery, the package should be che

Unpacking and Placing the Unit SiUS39-506156 Installation Manual REYQ96MTJU5. Unpacking and Placing the UnitMake sure the unit is installed level on

SiUS39-506 Unpacking and Placing the UnitInstallation Manual REYQ96MTJU 157CAUTIONWhen installing on a roof, make sure the roof floor is strong enoug

Refrigerant Piping SiUS39-506158 Installation Manual REYQ96MTJU6. Refrigerant PipingCAUTION After completing installation, be sure to open the valve.(

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 159[One outdoor unit installed]Front connection:Remove the shutoff valve cover to connect

Refrigerant Piping SiUS39-506160 Installation Manual REYQ96MTJUCAUTION Be sure to use the attached pipe when carrying out piping work in the field.Be

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 161Note:The pressure regulator for the nitrogen released when doing the brazing should be

Refrigerant Piping SiUS39-506162 Installation Manual REYQ96MTJU

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1636.3 Example of ConnectionOne outdoor unit installedBranch with REFNET jointBranch with

SiUS39-506 Points to Bear in Mind at the System DesignGeneral Information 112.4.2 Main Considerations in Preparation of Control Circuit DiagramsIn add

Refrigerant Piping SiUS39-506164 Installation Manual REYQ96MTJU

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1656.4 Leak Test and Vacuum DryingThe units were checked for leaks by the manufacturer.Con

Refrigerant Piping SiUS39-506166 Installation Manual REYQ96MTJUOpening shutoff valve1. Remove the cap and turn the valve counterclockwise with the hex

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 167FLARE SHAPE and FLARENUT TIGHTENING TORQUE<Precautions when connecting pipes>See

Refrigerant Piping SiUS39-506168 Installation Manual REYQ96MTJU6.5 Pipe InsulationAfter finishing the leak test and vacuum drying, the piping must be

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 169How to fill a tank with a siphon attached.Fill with the tank upright. (There is a sipho

Refrigerant Piping SiUS39-506170 Installation Manual REYQ96MTJU[Additional refrigerant charge procedure]To learn the system settings for additional re

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1717. Field WiringCAUTION All field wiring and components must be installed by a licensed

Refrigerant Piping SiUS39-506172 Installation Manual REYQ96MTJU7.3 GeneralMake sure to connect the power supply wire to the power supply terminal blo

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1737.4 ExamplesSystem example Field line connectionL1, L2, L3, phase of the power supply w

Points to Bear in Mind at the System Design SiUS39-50612 General InformationStep 2: Preparation of the Control Circuit DiagramsThe following sequence

Refrigerant Piping SiUS39-506174 Installation Manual REYQ96MTJUCAUTION <Precautions when laying power wiring>Use round pressure terminals for co

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 175<Precautions when connecting the ground>When pulling the ground wire out, wire it

Refrigerant Piping SiUS39-506176 Installation Manual REYQ96MTJUCAUTION Be sure to follow the limits below. If the unit-to-unit cables are beyond these

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 177Precautions when knocking out knock holesTo punch a knock hole, hit on it with a hamme

Refrigerant Piping SiUS39-506178 Installation Manual REYQ96MTJU[In case of multiple outdoor units]The interconnecting wiring between the outdoor unit

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1798. Before Operation8.1 Checks Before Initial Start-upCAUTION Make sure that the circuit

Refrigerant Piping SiUS39-506180 Installation Manual REYQ96MTJU8.2 Test RunCAUTION After completing installation, be sure to open the valve. (Operatin

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 181<Cautions for check operation>If the system is started within about 12 minutes a

Refrigerant Piping SiUS39-506182 Installation Manual REYQ96MTJUCAUTION <Cautions for normal operation check>Once stopping, the compressor will

SiUS39-506 Refrigerant PipingInstallation Manual REYQ96MTJU 1839. Caution for Refrigerant Leaks(Points to note in connection with refrigerant leaks)In

SiUS39-506 InstallationGeneral Information 133. Installation3.1 Step by Step Installation ProcedureThe above list indicates the order in which the ind

Refrigerant Piping SiUS39-506184 Installation Manual REYQ96MTJUNote:Where a single refrigerant facility is divided into 2 entirely independent refrig

SiUS39-506Installation Manual BS Unit 185Part 3Part 3Part 3Part 3Installation ManualInstallation ManualInstallation ManualInstallation ManualBS UnitBS

Safety Considerations SiUS39-506186 Installation Manual BS Unit1. Safety ConsiderationsPlease read these “SAFETY CONSIDERATIONS” carefully before inst

SiUS39-506 Safety ConsiderationsInstallation Manual BS Unit 187When wiring the power supply and connecting the remote controller wiring and transmiss

Safety Considerations SiUS39-506188 Installation Manual BS UnitNOTE:Install the indoor and outdoor units, power supply wiring and connecting wires at

SiUS39-506 Before InstallationInstallation Manual BS Unit 1892. Before Installation2.1 Caution Concerning New Refrigerant SeriesSince R-410A is a mixe

Before Installation SiUS39-506190 Installation Manual BS Unit2.3 AccessoriesCheck the following accessories are included with your unit.<BSVQ36 · 6

SiUS39-506 Before InstallationInstallation Manual BS Unit 1912.4 CombinationFor series of applicable indoor units, refer to the or other literature.

Selecting Installation Site SiUS39-506192 Installation Manual BS Unit3. Selecting Installation SiteNOTE:Do not throw away any of the accessories unti

SiUS39-506 Preparations Before InstallationInstallation Manual BS Unit 1934. Preparations Before Installation(1) Position of suspension bolts on the B

PrefaceThis system is a modular zone controllable air conditioning system of great sophistication which is capable of assembly in a variety of differe

Installation SiUS39-50614 General Information3.2 Work Involved in Individual Operations and Points to be Borne in Mind3.2.1 Sleeve and Insert WorkOpe

BS Unit Installation SiUS39-506194 Installation Manual BS Unit5. BS Unit Installation(1) Attach the hunger brackets to the suspension bolts.Be sure to

SiUS39-506 Refrigerant Piping WorkInstallation Manual BS Unit 1956. Refrigerant Piping WorkThis section describes how to connect the piping to the BS

Refrigerant Piping Work SiUS39-506196 Installation Manual BS UnitFor locally procured insulation, be sure to insulate all the way to the pipe connect

SiUS39-506 Refrigerant Piping WorkInstallation Manual BS Unit 1976.1 In Case of Connecting Only One Indoor Unit6.2 When Connecting Multiple Indoor Uni

Refrigerant Piping Work SiUS39-506198 Installation Manual BS Unit6.4 Piping ConnectionIf the total capacity of the Q36-type indoor units downstream is

SiUS39-506 Electric Wiring WorkInstallation Manual BS Unit 1997. Electric Wiring Work7.1 General InstructionsAll field supplied parts and materials,

Electric Wiring Work SiUS39-506200 Installation Manual BS Unit7.4 Specifications for Field Supplied Fuses and WireNOTE: 1. Select the particular size

SiUS39-506 Electric Wiring WorkInstallation Manual BS Unit 201Clamp power wiring and the grounding wire together with the included clamp.When clampi

Electric Wiring Work SiUS39-506202 Installation Manual BS UnitEXAMPLE OF TRANSMISSION LINE CONNECTIONExample of connecting transmission wiring.Connec

SiUS39-506 Electric Wiring WorkInstallation Manual BS Unit 2037.6 Initial SettingAfter finishing wiring work, set the followings if necessary.1. COOL/

SiUS39-506 InstallationGeneral Information 15Positioning the Inserta) An insert is a metal tool which is inserted into a floor or a beam before the co

Test Operation SiUS39-506204 Installation Manual BS Unit8. Test OperationRefer to the installation manual of the outdoor unit.• The operation lamp of

SiUS39-506Operation Manual 205Part 4Part 4Part 4Part 4Operation ManualOperation ManualOperation ManualOperation Manual1. Safety Considerations...

SiUS39-506206 Operation ManualThank you for purchasing this Daikin air conditioner. Carefully read this operation manual before using the air conditio

SiUS39-506 Safety ConsiderationsOperation Manual 2071. Safety ConsiderationsPlease read these “SAFETY CONSIDERATIONS” carefully before installing air

Safety Considerations SiUS39-506208 Operation ManualImproper installation or attachment of equipment or accessories could result in electric shock, s

SiUS39-506 Safety ConsiderationsOperation Manual 209Do not operate the air conditioner with a wet hand.An electric shock may result.Do not allow a c

Safety Considerations SiUS39-506210 Operation ManualNever touch the air outlet or the horizontal blades while the swing flap is in operation.Fingers

SiUS39-506 What to Do Before OperationOperation Manual 2112. What to Do Before OperationThis operation manual is for the following systems with standa

Remote Controller and Changeover Switch: Name and Function of Each Switch and Display SiUS39-506212 Operation Manual3. Remote Controller and Changeove

SiUS39-506 Remote Controller and Changeover Switch: Name and Function of Each Switch and DisplayOperation Manual 21313.Display “” (defrost/hot start)R

Installation SiUS39-50616 General Information3. Direction: The unit must be fitted in line with the ultimately visible ceiling jointsImportant points1

Operation Range SiUS39-506214 Operation Manual4. Operation RangeUse the system in the following temperature and humidity ranges for safe and effective

SiUS39-506 Operation ProcedureOperation Manual 2155. Operation ProcedureOperation procedure varies according to the combination of outdoor unit and r

Operation Procedure SiUS39-506216 Operation ManualFor systems with cool/heat changeover remote control switchSelect operation mode with the cool/heat

SiUS39-506 Operation ProcedureOperation Manual 217Explanation of heating operationDefrost operationIn heating operation, freezing of the outdoor unit

Operation Procedure SiUS39-506218 Operation ManualFor systems with cool/heat changeover remote control switchSelect cooling operation mode with the co

SiUS39-506 Operation ProcedureOperation Manual 2195.3 Adjusting the Air Flow DirectionPress the air flow direction button to select the air direction.

Operation Procedure SiUS39-506220 Operation Manual5.4 Programming Start and Stop of the System with Timer The timer is operated in the following two

SiUS39-506 Operation ProcedureOperation Manual 2215.5 Setting the Master Remote ControllerWhen the system is installed as shown in figure 14 and 15,

Operation Procedure SiUS39-506222 Operation ManualHow to designate the master remote controllerPress the operation mode selector button of the current

SiUS39-506 Optimum OperationOperation Manual 2236. Optimum OperationObserve the following precautions to ensure the system operates properly.Adjust t

SiUS39-506 InstallationGeneral Information 17Service Space for Indoor UnitsNote: Above figure means minimum value. Please keep these value at least.No

Following Symptoms are not Air Conditioner Troubles SiUS39-506224 Operation Manual7. Following Symptoms are not Air Conditioner Troubles7.1 The System

SiUS39-506 Following Symptoms are not Air Conditioner TroublesOperation Manual 2257.6 White Mist comes out of a UnitIndoor unitWhen humidity is high

Following Symptoms are not Air Conditioner Troubles SiUS39-506226 Operation Manual7.8 Dust comes out of the UnitWhen the unit is used for the first t

SiUS39-506 TroubleshootingOperation Manual 2278. TroubleshootingIf one of the following malfunctions occur, take the measures shown below and contact

Troubleshooting SiUS39-506228 Operation ManualCheck if the heat source of the room is excessive.Check if direct sunlight enters the room.Use curtain

SiUS39-506Precautions for new Refrigerant (R-410A) 229Part 5Part 5Part 5Part 5Precautions for newPrecautions for newPrecautions for newPrecautions for

Precautions for New Refrigerant (R-410A) SiUS39-506230 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outline1

SiUS39-506 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2311.2 Service ToolsR-410A is used under higher working pr

Precautions for New Refrigerant (R-410A) SiUS39-506232 Precautions for New Refrigerant (R-410A)1. Flaring toolSpecifications2 Dimension ADifferences

SiUS39-506 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2332. Torque wrenchSpecifications2 Dimension B AnytimeNo

Installation SiUS39-50618 General InformationNote: Above figure means minimum value. Please keep these value at least.Note: Above figure means minimum

Precautions for New Refrigerant (R-410A) SiUS39-506234 Precautions for New Refrigerant (R-410A)Differences2 Equipped with function to prevent reverse

SiUS39-506 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 235Specifications2 High pressure gauge- 0.1 to 5.3 MPa (-

Precautions for New Refrigerant (R-410A) SiUS39-506236 Precautions for New Refrigerant (R-410A)Differences2 Measurement is based on weight to prevent

SiUS39-506Index iIndexIndexIndexIndexSymbols“88” cannot be cleared from the central remote controller ...

SiUS39-506ii IndexPiping System DiagramsBS Unit ... 131Indoor Unit ...

SiUS39-506Drawings & Flow Charts iiiDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsSymbol

SiUS39-506iv Drawings & Flow ChartsElectrical Worka PCB for remote control, multiple core cable must not be used...

SiUS39-506Drawings & Flow Charts vOperational steps ... 20The 3 Principles of Refrigerant Piping ...

SiUS39-506Printed in U.S.A. 10/2005 AK1645 Wallace Drive, Suite 110Carrollton, [email protected]

SiUS39-506 InstallationGeneral Information 19Note: Above figure means minimum value. Please keep these value at least.Note: Above figure means minimum

Installation SiUS39-50620 General Information3.2.3 Refrigerant Pipe WorkOperational stepsThe 3 Principles of Refrigerant PipingThe “3 principles of r

SiUS39-506 InstallationGeneral Information 21Method for Replacing Nitrogen (Brazing)If brazing work is carried out without passing nitrogen gas throug

Installation SiUS39-50622 General InformationCovering of Refrigerant PipesCovering is an extremely important operation as it prevents water, dirt or d

SiUS39-506 InstallationGeneral Information 23Refrigerant Pipe Flushing[3 major effects]1. Removal of oxidation bubbles formed inside copper pipes when

SiUS39-506Table of Contents iR-410A SeriesR-410A SeriesR-410A SeriesR-410A SeriesPart 1 General Information ...

Installation SiUS39-50624 General Information6. Flushing.Block the end of the pipe with the insulation of your hand.↓When the gas pressure becomes t

SiUS39-506 InstallationGeneral Information 25Example: R-410A REYQ-M SeriesRefer detail of DAIKIN REFNET joint and REFNET header on page 118.c) Brazing

Installation SiUS39-50626 General InformationBrazing a) Brazing work should be carried out such that the final result is directed either downwards or

SiUS39-506 InstallationGeneral Information 27New Rank Compatible Flare ToolCompared to previous refrigerants, the components of a HFC refrigerant is s

Installation SiUS39-50628 General InformationFlaring Procedure

SiUS39-506 InstallationGeneral Information 29Not recommendable but in case of emergencyYou must use a torque wrench but if you are obliged to install

Installation SiUS39-50630 General InformationFlange Connectiona) The flange sheet surface should be clean and undamaged. (Clean any dirt away with a c

SiUS39-506 InstallationGeneral Information 313.2.4 Thermal Insulation Work (Refrigerant Piping)Operational stepsMaterials The thermal insulation mate

Installation SiUS39-50632 General InformationHeat Recovery SeriesSuction, Discharge Gas piping, liquid piping must be insulated.Example of thermal i

SiUS39-506 InstallationGeneral Information 3324 hours later: 543psi 68°FThe pressure drop in such a case is deemed to be zero (successful test).Checki

SiUS39-506ii Table of Contents1.5 Technical Specifications (1) ... 1501.6 Electrical

Installation SiUS39-50634 General InformationImportant points1. Where the lengths of piping involved are particularly long then the air tight test sh

SiUS39-506 InstallationGeneral Information 35The evacuation of air conditioner piping provides the following effects.1. Vacuum drying2. Removes air an

Installation SiUS39-50636 General Information1. Vacuum pump performanceThe 2 most import things for determining vacuum pump performance are as follows

SiUS39-506 InstallationGeneral Information 373. Degree of vacuum measurementAn extremely accurate vacuum gauge is required to test degree of vacuum. Y

Installation SiUS39-50638 General InformationVacuum Drying ProcedureThere are two vacuum drying methods and the appropriate one should always be chose

SiUS39-506 InstallationGeneral Information 39Special vacuum dryingThis vacuum drying method is selected when there is a suspicion that there may be mo

Installation SiUS39-50640 General Information∗ The gas used for the vacuum breaking operation must be nitrogen.(The use of oxygen brings a serious ris

SiUS39-506 InstallationGeneral Information 413.2.7 Additional Charge of Refrigerant at installation timeOperational stepsImportant points1. The resul

Installation SiUS39-50642 General InformationSiphon tube<*Non-azeotropic refrigerants or Quasi-azeotropic refrigerants>When a refrigerant is a m

SiUS39-506 InstallationGeneral Information 433.2.8 Drain Pipe Work (Indoor)Operational stepsDrain Pipe Gradient and Supporta) The drain pipe must be

SiUS39-506Table of Contents iiiPart 4 Operation Manual ... 2051. Safety Considerations...

Installation SiUS39-50644 General InformationGrouped Drain Piping1. It is standard work practice to make connections to the main pipe from above. The

SiUS39-506 InstallationGeneral Information 45Piping Diameter for Grouped Drain PipesSelect piping diameter from the below table in accordance with th

Installation SiUS39-50646 General Information3.2.9 Drain Piping for Each ModelCeiling Mounted Cassette Type (FXFQ-M Multi-flow)1. Rig drain pipingNote

SiUS39-506 InstallationGeneral Information 47Caution: Drain piping connectionsDo not connect the drain piping directly to sewage pipes that smell of a

Installation SiUS39-50648 General InformationCeiling Mounted Built-in Type (FXSQ-M)Drain PipingRig the drain pipe as shown below and take measures aga

SiUS39-506 InstallationGeneral Information 49• If converging multiple drain pipes, install according to the procedure shown below.Select converging dr

Installation SiUS39-50650 General InformationCeiling Mounted Duct Type (FXMQ-M)Note: If installing central drain piping, install according to the foll

SiUS39-506 InstallationGeneral Information 51Ceiling Suspended Type (FXHQ-M)(1) Carry out the drain piping.• Make sure piping provides proper drainage

Installation SiUS39-50652 General Information• If converging multiple drain pipes, install according to the procedure shown below.Select converging dr

SiUS39-506 InstallationGeneral Information 53When extending the drain hose, use a commercially available drain extension hose, and be sure to insulat

SiUS39-506iv Table of Contents

Installation SiUS39-50654 General InformationFloor Standing Type (FXLQ-M) Concealed Floor Standing Type (FXNQ-M)Rig the drain pipe as shown below and

SiUS39-506 InstallationGeneral Information 553.2.10 Electrical WorkControl Wiring 1. Compatible types of wireWiring SpecificationsNote: 1. Sheathed wi

Installation SiUS39-50656 General InformationPower Supply (Cabling of Main Power Supply)1. Choosing a circuit breakerThe power supply work must confor

SiUS39-506 InstallationGeneral Information 572. Cable sizeThe thickness of the cables in the circuits (branch circuits) providing the main power suppl

Installation SiUS39-50658 General Information3.2.11 Duct Work (Indoor)Operational stepsTaking Account of Noise and Vibrationa) Canvas joints must be

SiUS39-506 InstallationGeneral Information 593. There is no danger of fire due to leakage of inflammable gas.4. Ensure that water cannot cause any dam

Installation SiUS39-50660 General InformationService Space It is extremely important that enough space is left when installing the equipment to allow

SiUS39-506 InstallationGeneral Information 613.2.14 Installation of Outdoor UnitOperational stepsNote: 1. The proportions of cement : sand : gravel f

Installation SiUS39-50662 General InformationBolt pitchCaution in installation1. Execute the installation work by checking the foundation strength a

SiUS39-506 InstallationGeneral Information 63Note: 1. Prepare a water drainage channel around the foundation to condensate waste water from around the

SiUS39-506General Information 1Part 1Part 1Part 1Part 1General InformationGeneral InformationGeneral InformationGeneral Information1. Product Outline

Installation SiUS39-50664 General InformationCaution Caution label 3P1246174P124614

SiUS39-506 Test OperationGeneral Information 654. Test Operation4.1 Procedure and OutlineFollow the following procedure to conduct the initial test op

Test Operation SiUS39-50666 General Information4.1.3 Check Operation* During check operation, mount front panel to avoid the misjudging.* Check operat

SiUS39-506 Test OperationGeneral Information 67Malfunction codeIn case of an alarm code displayed on remote controller:4.1.4 Confirmation on normal op

Test Operation SiUS39-50668 General Information4.2 Operation When Power is Turned On4.2.1 When Turning On Power First TimeThe unit cannot be run for u

SiUS39-506 Test OperationGeneral Information 694.3 Outdoor Unit PC Board LayoutOutdoor unit PC board(1) Microcomputer normal monitorThis monitor blink

Test Operation SiUS39-50670 General Information4.4 Field Setting4.4.1 Field Setting from Remote ControllerIndividual function of indoor unit can be ch

SiUS39-506 Test OperationGeneral Information 714.4.1.2 Wireless Remote Controller - Indoor UnitBRC7C812BRC4C82BRC7E818BRC7E831. When in the normal mod

Test Operation SiUS39-50672 General Information4.4.1.3 Simplified Remote ControllerBRC2A71Group No. setting by simplified remote controller.1. Remove

SiUS39-506 Test OperationGeneral Information 734.4.1.4 Setting Contents and Code No. – VRV Unit Notes: 1. Settings are made simultaneously for the ent

.Product Outline SiUS39-5062 General Information1. .Product Outline1.1 Model Names of Indoor/Outdoor UnitsIndoor UnitsBS UnitsOutdoor Units (Inverter

Test Operation SiUS39-50674 General Information4.4.1.5 Applicable Range of Field settingCeiling mounted cassette typeCeiling mounted built-in typeCeil

SiUS39-506 Test OperationGeneral Information 754.4.1.6 Detailed Explanation of Setting ModesFilter Sign SettingIf switching the filter sign ON time, s

Test Operation SiUS39-50676 General InformationAir Flow Adjustment - Ceiling heightMake the following setting according to the ceiling height. The set

SiUS39-506 Test OperationGeneral Information 77Setting of Air Flow Direction Adjustment RangeMake the following air flow direction setting according t

Test Operation SiUS39-50678 General Information4.4.1.7 Centralized Control Group No. SettingBRC1C TypeIf carrying out centralized control by central

SiUS39-506 Test OperationGeneral Information 79BRC7C TypeBRC4C TypeBRC7E TypeGroup No. setting by wireless remote controller for centralized control1

Test Operation SiUS39-50680 General InformationGroup No. Setting ExampleCaution When turning the power supply on, the unit may often not accept any op

SiUS39-506 Test OperationGeneral Information 814.4.1.8 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control m

Test Operation SiUS39-50682 General InformationHow to Select Operation ModeWhether operation by remote controller will be possible or not for turning

SiUS39-506 Test OperationGeneral Information 834.4.2 Field Setting from Outdoor Unit4.4.2.1 Field Setting from Outdoor UnitSetting by dip switchesThe

SiUS39-506 .Product OutlineGeneral Information 31.2 External Appearance1.2.1 Indoor Units1.2.2 Outdoor UnitsCeiling mounted cassette type (Multi flow)

Test Operation SiUS39-50684 General InformationSetting by pushbutton switchesThe following settings are made by pushbutton switches on PC board.In ca

SiUS39-506 Test OperationGeneral Information 85∗ Setting No. 1, 5, 6 are the present status display only.Display for malfunction/preparing/test-runDis

Test Operation SiUS39-50686 General InformationNo. Setting item Description0EMG (Emergency operation 1)Operates by Standard compressor only when inver

SiUS39-506 Test OperationGeneral Information 87No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDema

Test Operation SiUS39-50688 General InformationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLownoiseH6PDeman

SiUS39-506 Test OperationGeneral Information 89Setting item 0 Display contents of “Number of units for sequential start, and others” No. Setting itemL

Test Operation SiUS39-50690 General InformationPush the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and enter the data for

SiUS39-506 Test OperationGeneral Information 914.4.2.2 Cool / Heat Mode SwitchingSet Cool/Heat Separately for Each BS Unit by Cool/Heat Selector.Set r

Test Operation SiUS39-50692 General Information4.4.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting

SiUS39-506 Test OperationGeneral Information 93Image of operation in the case of AImage of operation in the case of BImage of operation in the case of