Daikin RQYQ140-180PY1 Service Manual

Also see for VRV III-Q RQCEQ360PY1: Operation manual Operation manual Installation manual

Contents

Daikin RQYQ140-180PY1 Service Manual Manual pdf 225 page image

SiBE341001 Example of connection (R-410A Type)Appendix 2164. Example of connection (R-410A Type) Heat Pump series (RQ(C)YQ)Example of connection(Connection of 8 indoor units)Single outdoorsystemExample refrigerant branch using REFNET joint Example refrigerant branch using REFNET joint and REFNET header Example refrigerant branch using REFNET headera b c d e f g H1pOutdoor unit REFNET joint (A-G)Indoor units ( 1 - 8 )H1H2a aibc d e f g hkj7 8 H1H2Outdoor unit REFNET headerc d e f g h ib1 2 3 4 5 6 78Multi outdoorsystem(∗2) In case of multi outdoor system, re-read to the firstOutdoor unit multi connection piping kit as seenfrom the indoor unit.MaximumallowablelengthBetween outdoor (∗2)and indoor unitsBetween outdoor unit and Outdoor unit multiconnection piping kit (Only for multi system)Between outdoor and indoor unitsBetween indoor and indoor unitsBetween outdoor and outdoor unitsActual pipe lengthActual pipe lengthActual pipe lengthEquivalent lengthDifference in heightDifference in heightDifference in heightEquivalent lengthTotal extension lengthPipe length between outdoor (∗2) and indoor units ≤ 120mExample unit 8 : a + b + c + d + e + f + g + p ≤ 120mExample unit 8 : b + c + d + e + f + g + p ≤ 40mEquivalent pipe length between outdoor (∗2) and indoor units ≤ 150m (assume equivalent pipe length of REFNET joint to be 0.5m, that of REFNET header to be 1m, calculation purposes) (See Note 1 - Next page)Pipe length between outdoor unit and outdoor unit multi connection piping kit ≤ 10m, equivalent length between outdoor unit and outdoor unit multi connection piping kit ≤ 13mDifference in height between outdoor and indoor units (H1) ≤ 50m ( ≤ 40m if the outdoor unit is below)Difference in height between indoor units (H2) ≤ 15mDifference in height between outdoor unit (H3) ≤ 5mPipe length from first refrigerant branch kit (either REFNET joint or REFNET header ) to indoor unit ≤ 40mTotal pipe length from outdoor unit (∗2) to all indoor units ≤ 300mAllowableheightlengthAllowable length after the branchRefrigerant branch kit selectionExample unit 8 : a + i ≤ 120mExample unit 6 : a + b + h ≤ 165m, unit 8 : a + i + k ≤ 120mExample unit 8 : i ≤ 40mExample unit 6 : b + h ≤ 40m, unit 8 :i + k ≤ 40mr ≤ 10m (Equivalent length: ≤ 13m)s ≤ 10m (Equivalent length: ≤ 13m)t ≤ 10m (Equivalent length: ≤ 13m)Refrigerant branch kits can only beused with R410A.How to select the REFNET joint• When using REFNET joint at the first branch counted from the outdoor unit side.Choose from the following table in accordance with the outdoor unit capacity type.(Example: REFNET joint A)Q140·180 typeQ280 typeQ360~540 typeKHRP26A22TKHRP26A33TKHRP26A72T• Choose the REFNET joints other than that for the first branch from the following table in accordance with the totalcapacity index of all the indoor units connected below the REFNET joint.How to select the REFNET header• Choose from the following table in accordance with the total capacity index of all the indoor units connectedbelow the REFNET header.• Note: 250 type indoor unit cannot be connected below the REFNET header.< 200200 ≤ x< 290290 ≤ x< 640640 ≤KHRP26M33HKHRP26M33HKHRP26M72HKHRP26M73H + KHRP26M73HPHow to select the Outdoor unit multi connection piping kit (This is required when the system is multi outdoor unitsystem.)• Choose from the following table in accordance with the number of outdoor units.2 units3 unitsBHFP22P36CBHFP22P54CExample REFNET joint C: indoor unitsExample for indoor units connected downstreamIndoor unit total capacity index Refrigerant branch kit nameNumber of outdoor units Connection piping kit nameOutdoor unit capacity type Refrigerant branch kit nameA B(∗1) “ ” indicate the Outdoor unit multiconnection piping kitA B C D E F G1 2 3 4 5 6 78H2h i j k l m n1 2 3 4 5 6Outdoor unit REFNET joint (A • B)REFNET header3 + 4 + 5 + 6 + 7 + 8 Example REFNET joint B: indoor unitsExample REFNET header: indoor units 1 + 2 + 3 + 4 + 5 + 67 + 8 Example REFNET header: indoor units 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8a b c d e f g8H2H1H3pOutdoor unit REFNET joint (A-G)h i j k l m n1 2 3 4 5 6 7First Outdoorunit multi connectionpiping kit Indoor units ( 1 - 8 )Indoor units ( 1 - 8 ) Indoor units ( 1 - 8 )• When multi outdoor system are installed, be sure touse the special separately sold Outdoor unit multiconnection piping kit.The table at right shows how to select the proper kit.A B C D E F GH1H2a ibOutdoor unitc d e f g h1 2 3 4 5 6REFNET header kj 7 8H3 REFNET joint (A • B)A BIndoor units ( 1 - 8 )H28H1H3aOutdoor unitREFNET headerc d e f g h ibIndoor units ( 1 - 8 )1 2 3 4 5 6 7r tsOutdoor unit< 200200 ≤ x< 290290 ≤ x< 640640 ≤KHRP26A22TKHRP26A33TKHRP26A72TKHRP26A73T + KHRP26M73TPIndoor unit total capacity index Refrigerant branch kit name