Daikin REYQ72PAYD Installation Manual

Contents

Daikin REYQ72PAYD Installation Manual Manual pdf 10 page image

6 English6-5 Example of connectionB1 B2 B3 B4Example of connection(Connection of 8 indoor units)Outside unitside(3 pipes)Indoor unitside(2 pipes)Suction gas pipeHP/LP gas pipeLiquid pipeGas pipeLiquid pipeBSUnitSuction gas pipeHP/LP gas pipeLiquid pipe(Suction) gas pipeLiquid pipePiping from outside unit to BS unitPiping from BS unit to indoor unit orPiping from Refrigerant branch kit toindoor unit used as cooling only(Bold) : 3 pipes(Thin) : 2 pipes(*1) “ ” Indicate the Outside unit multiconnection piping kit.(*2) In case of multi outdoor system, re-read“outside unit” to “the first Outside unitmulti connection piping kit” as seen fromthe indoor unit.Branch with REFNET joint Branch with REFNET joint and header Branch with REFNET headerSingleoutsidesystemREYQ72~120 PAYDREYQ72~120 PATJMultioutsidesystemREYQ144~192 PAYDREYQ144~192 PATJOutside unitOutside unit Outside unitOutside unit Outside unitREFNET joint (A~G)REFNET joint (A~G)B1 ~ B4 : BS Unit1 ~ 6 : Indoor unit (Cool/Heat selection possible)7 , 8 : Indoor unit (Cooling only)REFNET joint (A~G)REFNET headerREFNET headerFirst outside unit multi connection piping kitREFNET joint (A~G)REFNET headerREFNET headerMaximumallowablelengthAllowableheightdifferenceAllowable length after the branchBetween outside unit (*2)and indoor unitBetween first outside unit multiconnection piping kit and outside unit(in case of multi system)Between outside and indoor unitsBetween indoor and indoor unitsBetween outside and outside unitsActual pipelengthEquivalentlengthActual andEquivalentpipe lengthActual pipelengthDifference in heightDifference in heightDifference in heightTotal extention lengthPipe length between outside unit (*2) and indoor unit ≤ 540 ftExample 8 : a + b + c + d + e ≤ 540 ft Example 6 : a + b + ≤ 540 ft, 8 : a + m + n + p ≤ 540 ft Example 8 : a + o ≤ 540 ftEquivalent pipe length between outside unit (*2) and indoor unit ≤ 620 ft (Note 1)(Assume eqivalent pipe length of REFNET joint to be 1.6 ft, that of REFNET header to be 3.3 ft, that of BSVQ36 · 60 · 96 to be 13 ft, for calculation purposes)Total piping length from outside unit (*2) to all indoor unit ≤ 3280 ftActual pipe length from first outside unit multi connection piping kit to outside unit ≤ 33 ftEquivalent pipe length from first outside unit multi connection piping kit to outside unit ≤ 43 ftActual pipe length from first refrigerant branch kit (either REFNET joint or REFNET header) to indoor unit ≤ 130 ft (Note 2)Example 8 : b + c + d + e + s ≤ 130 ftDifference in height between outside unit and indoor unit (H1) ≤ 164 ft (Max 130 ft if the outside unit is below)Difference in height between adjacent indoor units (H2) ≤ 49 ftDifference in height between adjacent outside units (H3) ≤ 16 ftOutside unit r ≤ 33 ft(Equivalent length ≤ 43 ft)t ≤ 33 ft(Equivalent length ≤ 43 ft)Example 6 : b + ≤ 130 ft, 8: m + n + p ≤ 130 ft Example 8 : o ≤ 130 fta b c d ea b c d eH1H1H1H2srpnfkifkiqompnqomgGF jA B C D EH1SrA B C D EB1 B2 B3 B41 2 3 4 5 6 78H2gGF1 2 3 4 5 6 78B1 ~ B5 : BS Unit1 ~ 4 , 7 , 8 : Indoor unit (Cool/Heat selection possible)5 , 6 : Indoor unit (Cooling only)B1 ~ B6 : BS Unit1 ~ 6 : Indoor unit (Cool/Heat selection possible)7 , 8 : Indoor unit (Cooling only)B1 ~ B6 : BS Unit1 ~ 6 : Indoor unit (Cool/Heat selection possible)7 , 8 : Indoor unit (Cooling only)B1 ~ B5 : BS Unit1 ~ 4 , 7 , 8 : Indoor unit (Cool/Heat selection possible)5 , 6 : Indoor unit (Cooling only)B1 ~ B4 : BS Unit1 ~ 6 : Indoor unit (Cool/Heat selection possible)7 , 8 : Indoor unit (Cooling only)a ammcdefghijk onAABH2B1 B2 B3 B4B51 2 3 4 5 6 78H3r tH3H3r tabcdef hk oB8H2r taB1 B2 B3 B41 2 3 4 5 6 7B5bcde mppnbghijkfdb h jfonH2H1H1B1 B2 B3 B4 B5 B6B1 B2 B3 B4 B5 B61 2 3 4 5 6 781 2 3 4 5 6 78c e mg i k onH2r tg ijOutside unit