Daikin RXYSQ-P8Y1 Technical Data Manual

Daikin RXYSQ-P8Y1 Technical Data Manual Manual pdf 35 page image

3111• VRV Systems • Outdoor Unit 33• Outdoor Unit • VRVIII-S heat pump • RXYSQ-P8Y111 Installation11 - 2 Refrigerant Pipe Selectiona b c d e f gh i j k l m n1 2 3 4 5 6 78H2H1pA B C D E F G H1 H2a ibc d e f g h1 2 3 4 5 6kj7 8A BaH1H2c d e f g h ib 1 2 3 4 5 6 78([DPSOHRIFRQQHFWLRQ&RQQHFWLRQRILQGRRUXQLWV+HDWSXPSV\VWHPLQGRRUXQLWUHIQHWMRLQWUHIQHWKHDGHU%UDQFKZLWKUHIQHWMRLQW %UDQFKZLWKUHIQHWMRLQWDQGUHIQHWKHDGHU %UDQFKZLWKUHIQHWKHDGHU0D[LPXPDOORZDEOHOHQJWK%HWZHHQRXWGRRUDQGLQGRRUXQLWV$FWXDOSLSHOHQJWK3LSHOHQJWKEHWZHHQRXWGRRUDQGLQGRRUXQLWVP>([DPSOH@XQLWDEFGHIJSP >([DPSOH@XQLWDEKPXQLWDLNP >([DPSOH@XQLWDLP(TXLYDOHQWOHQJWK (TXLYDOHQWSLSHOHQJWKEHWZHHQRXWGRRUDQGLQGRRUXQLWVP $VVXPHHTXLYDOHQWSLSHOHQJWKRIUHIQHWMRLQWWREHPDQGRIWKHUHIQHWKHDGHUWREHP IRUFDOFXODWLRQSXUSRVHV7RWDOH[WHQVLRQOHQJWK 7RWDOSLSLQJOHQJWKIURPRXWGRRUXQLWWRDOOLQGRRUXQLWVEHWZHHQPDQGP$OORZDEOHKHLJKW%HWZHHQRXWGRRUDQGLQGRRUXQLWV'LIIHUHQFHLQKHLJKW 'LIIHUHQFHLQKHLJKWEHWZHHQRXWGRRUDQGLQGRRUXQLWV + P PLIRXWGRRUXQLWLVORFDWHGLQDORZHUSRVLWLRQ %HWZHHQLQGRRUDQGLQGRRUXQLWV'LIIHUHQFHLQKHLJKW 'LIIHUHQFHLQKHLJKWEHWZHHQDGMDFHQWLQGRRUXQLWV + P$OORZDEOHOHQJWKDIWHUWKHEUDQFK $FWXDOSLSHOHQJWK3LSHOHQJWKIURP¿UVWUHIULJHUDQWEUDQFKNLW HLWKHUUHIQHWMRLQWRUUHIQHWKHDGHU WRLQGRRUXQLWP>([DPSOH@XQLWEFGHIJSP >([DPSOH@XQLWEKPXQLWLNP >([DPSOH@XQLWLP5HIULJHUDQWEUDQFKNLWVHOHFWLRQ5HIULJHUDQWEUDQFKNLWVFDQRQO\EHXVHGZLWK5$8VHWKHIROORZLQJUHIQHWMRLQW2XWGRRUXQLWFDSDFLW\W\SH 5HIULJHUDQWEUDQFKNLWQDPH5;<64a .+54078VHWKHIROORZLQJUHIQHWKHDGHU2XWGRRUXQLWFDSDFLW\W\SH 5HIULJHUDQWEUDQFKNLWQDPH5;<64a .+540+3LSHVL]HVHOHFWLRQ&DXWLRQRQVHOHFWLQJFRQQHFWLRQSLSHV,IWKHRYHUDOOHTXLYDOHQWSLSLQJOHQJWKLVPEHVXUHWRHQODUJHWKHSLSHGLDPHWHURIWKHJDVVLGHPDLQSLSLQJ,IWKHUHFRPPHQGHGSLSHVL]HLVQRWDYDLODEOHVWLFNWRWKHRULJLQDOSLSHGLDPHWHU ZKLFKPD\UHVXOWLQDVPDOOFDSDFLW\GHFUHDVH >*DVVLGH@5;<64ĺ5;<64ĺ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a b c d e f gh i j k l m n1 2 3 4 5 6 78H2H1pA B C D E F G H1 H2a ibc d e f g h1 2 3 4 5 6kj7 8A BaH1H2c d e f g h ib 1 2 3 4 5 6 78Example of connection(Connection of 8 indoor units Heat pump system)indoor unitrefnet jointrefnet headerBranch with refnet joint Branch with refnet joint and refnet header Branch with refnet headerMaximumallowablelengthBetween outdoor andindoor unitsActual pipelengthPipe length between outdoor and indoor units 150 m[Example] unit 8: a+b+c+d+e+f+g+p 150 m [Example] unit 6: a+b+h 150m, unit 8: a+i+k 150 m [Example] unit 8: a+i 150 mEquivalent length Equivalent pipe length between outdoor and indoor units 175 m (Assume equivalent pipe length of refnet joint to be 0.5 m and of the refnet header to be 1.0 m. (for calculation purposes))Total extensionlength Total piping length from outdoor unit to all indoor units between 10 m and 300 mAllowableheightBetween outdoor andindoor unitsDifference inheight Difference in height between outdoor and indoor units (H1) 50 m ( 40 m if outdoor unit is located in a lower position).Between indoor andindoor unitsDifference inheight Difference in height between adjacent indoor units (H2) 15 mAllowable length after the branch Actual pipelengthPipe length from first refrigerant branch kit (either refnet joint or refnet header) to indoor unit 40 m[Example] unit 8: b+c+d+e+f+g+p 40 m [Example] unit 6: b+h40 m, unit 8: i+k 40 m [Example] unit 8: i 40 mRefrigerant branch kit selectionRefrigerant branch kits can only be used with R410A.Use the following refnet jointOutdoor unit capacity type Refrigerant branch kit nameRXYSQ4~6 KHRQ22M20TUse the following refnet headerOutdoor unit capacity type Refrigerant branch kit nameRXYSQ4~6 KHRQ22M29HPipe size selectionCaution on selecting connection pipesIf the overall equivalent piping length is 90 m, be sure toenlarge the pipe diameter of the gas-side main piping. If therecommended pipe size is not available, stick to the originalpipe diameter (which may result in a small capacity decrease).[Gas side]RXYSQ4+5: ĺ Ø15.9 Ø19.1RXYSQ6: ĺ Ø19.1 Ø22.21 231 Main pipe (enlarge)2 First refrigerant branch kit3 Indoor unitA. Piping between outdoor unit and refrigerant branch kit• Match to the size of the connection piping on the outdoor unit.Outdoor unit connection piping sizePiping size (outer diameter xminimum thickness)Outdoor unitcapacity type Gas pipe Liquid pipeRXYSQ4+5 Ø15.9x1.0(Ø19.1x1.0) Ø9.5x0.8RXYSQ6 Ø19.1x1.0(Ø22.2x1.0)B. Piping between refrigerant branch kits• Use the pipe size from the following table.Piping size (outer diameter x minimum thickness)Gas pipe Liquid pipeØ15.9x1.0 Ø9.5x0.8C. Piping between refrigerant branch kit and indoor unit• Pipe size for direct connection to indoor unit must be the sameas the connection size of indoor unit.Piping size (outer diameter xminimum thickness)Indoor capacityindex Gas pipe Liquid pipe20+25+32+40+50 Ø12.7x08 Ø6.4x0.863+80+100+125 Ø15.9x1.0 Ø9.5x0.8How to calculate the additional refrigerant to be chargedAdditional refrigerant to be charged R (kg)R should be rounded o in units of 0.1 kgRXYSQ-P8Y1B4PW66305-1Example for refrigerant branch using refnet joint and refnet headera: Ø9.5x3 m d: Ø9.5x13 m g: Ø6.4x10 m j: Ø6.4x10 mb: Ø9.5x10 m e: Ø6.4x10 m h: Ø6.4x20 m k: Ø6.4x9 mc: Ø9.5x10 m f: Ø6.4x10 m i: Ø9.5x10 mR=[73 x 0.054] + [69 x 0.022] = 5.46 5.5 kgR= x0.054+ x0.022Total length (m) of liquidpiping size at Ø9.5 )Total length (m) of liquidpiping size at Ø6.4 )