Daikin VRV III REYQ8PY1B Service Manual

Also see for VRV III REYQ10PY1B: Installation manual Operation manual

Contents

Daikin VRV III REYQ8PY1B Service Manual Manual pdf 444 page image

SiBE37-701 Example of connectionAppendix 4336. Example of connectionExample of connection(Connection of 8 indoor units)IndoorunitsideOutdoorunitside1 2BSUnitSuction gas pipeHP/LP gas pipeLiquid pipe(Suction) gas pipeLiquid pipePiping from outdoor 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 Outdoor unit multiconnection piping kit.(*2) In case of multi outdoor system, re-read“outdoor unit” to “the first Outdoor unitmulti connection piping kit” as seen fromthe indoor unit.Branch with REFNET joint Branch with REFNET joint and header Branch with REFNET headerSingleoutdoorsystemREYQ8~16MultioutdoorsystemREYQ18~48Outdoor unitOutdoor unit Outdoor unit Outdoor unitOutdoor unit Outdoor 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, B)REFNET headerREFNET headerFirst outdoor unit multi connection piping kitREFNET joint (A, B)REFNET headerREFNET headerMaximumallowablelengthAllowableheightdifferenceAllowable length after the branchBetween outdoor unit (*2)and indoor unitBetween first outdoor unit multiconnection piping kit and outdoor unit(in case of multi system)Between outdoor and indoor unitsBetween indoor and indoor unitsBetween outdoor and outdoor unitsActual pipelengthEquivalentlengthActual andEquivalentpipe lengthActual pipelengthDifference in heightDifference in heightDifference in heightTotal extention lengthPipe length between outdoor unit (*2) and indoor unit ≤ 165mExample 8 : a + b + c + d + e + s ≤ 165m Example 6 : a + b + ≤ 165m, 8 : a + m + n + p ≤ 165m Example 8 : a + o ≤ 165mEquvalent pipe length between outdoor unit (*2) and indoor unit ≤ 190m (Note 1)(Assume eqivalent pipe length of REFNET joint to be 0.5m, that of REFNET header to be 1m, that of BSVQ100, 160 to be 4m, that of BSVQ250 to be 6m for calculation purposes)Total piping length from outdoor unit (*2) to all indoor unit ≤ 1000mActual pipe length from first outdoor unit multi connection piping kit to outdoor unit ≤ 10mEquivalent pipe length from first outdoor unit multi connection piping kit to outdoor unit ≤ 13mActual pipe length from first refrigerant branch kit (either REFNET joint or REFNET header) to indoor unit ≤ 40m (Note 2)Example 8 : b + c + d + e + s ≤ 40mDifference in height between outdoor unit and indoor unit (H1) ≤ 50m (Max 40m if the outdoor unit is below)Difference in height between adjacent indoor units (H2) ≤ 15mDifference in height between adjacent outdoor units (H3) ≤ 5mOutdoor unit r ≤ 10m(Equivalent length ≤ 13m)u + s ≤ 10m(Equivalent length ≤ 13m)u + t ≤ 10m(Equivalent length ≤ 13m)Example 6 : b + ≤ 40m, 8: m + n + p ≤ 40m Example 8 : o ≤ 40ma 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 ~ B4 : BS Unit1 ~ 6 : Indoor unit (Cool/Heat selection possible)7 , 8 : Indoor unit (Cooling only)B1 ~ B4 : 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 tsH3H3r tsabcdef hk oB8H2ur tsauB1 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 tsug ij12