Daikin VRV RXYQ72XBYC Series Installation Manual

Also see for VRV RXYQ120XBYC Series: Operation manual

12English7.5.2. System only containing VRV indoor unitsSystem setupBranch with REFNET joint Branch with REFNET joint andREFNET header Branch with REFNET headerSingle outdooraAh i j k l m nB C D E F Gpb c d e f1 2 3 4 5 6 78gH1H2Example 1.1abc d e fikjg hA B1 2 3 4 5 67 8H1H2Example 1.2acb d e f ig h1 2 3 4 5 6 78H1H2Example 1.3Multi outdooraAh i j k l m nB C D E F Gpb c d e f1 2 3 4 5 6 78gtur sH1H3Example 2.1bAaj kb1 2 3 4 5 67 8c d e f g htur sBA H1H3H2Example 2.2ab1 2 3 4 5 6 78c d e f g h itur sH1H3Example 2.3Indoor unitREFNET jointREFNET headerOutdoor multi con-nection piping kitDifference in height between outdoor and indoor units: H1.Difference in height between indoor and indoor units: H2.Difference in height between outdoor and outdoor units: H3.Example 3: with standard multi layoutr s tMaximum allowable length• Between outdoor and indoor units (standard multi/free multi combinations).Actual pipinglength540 ft.(165 m)Example 1.1unit 8: a+b+c+d+e+f+g+p≤540 ft. (165 m)Example 2.1unit 8: a+b+c+d+e+f+g+p≤540 ft. (165 m)Example 1.2unit 6: a+b+h≤540 ft. (165 m)unit 8: a+i+k≤540 ft. (165 m)Example 1.3unit 8: a+i≤540 ft. (165 m)Equivalent length 623 ft. (2)(190 m)— — —Total piping length 3280 ft.(1000 m)Example 1.1a+b+c+d+e+f+g+h+i+j+k+l+m+n+p≤3280 ft. (1000 m)Example 2.1a+b+c+d+e+f+g+h+i+j+k+l+m+n+p≤3280 ft. (1000 m)Example 1.2a+b+c+d+e+f+g+h+i+j+k≤3280 ft. (1000 m)Example 1.3a+b+c+d+e+f+g+h+I≤3280 ft. (1000 m)(2) See [7.3.3]= on page 10.• Between outdoor branch and outdoor unit(in case of multi outdoor units).(only in case ≥192 type)Actual pipinglength33 ft. (10 m) Example 3r≤33 ft. (10 m)s≤33 ft. (10 m)t≤33 ft. (10 m)Equivalent length 43 ft. (13 m) —Maximum allowable height differenceH1 ≤164 ft. (50 m) (130 ft. (40 m) (a) (if outdoor is located below indoor units))H2Actual piping length X Height difference between indoor units (H2)X≤540 ft. (165 m) ≤49 ft. (15 m)X≤390 ft. (120 m) ≤98 ft. (30 m)H3 ≤16 ft. (5 m)(a) Conditional extension up till 295 ft. (90 m) is possible without additional optionkit:In case the outdoor location is higher than indoor: extension is possible up till295 ft. (90 m) and following 2 conditions must be fulfilled:• Liquid piping size up (see table Size up for equivalent length for outdoor-indoor units over 295 ft. (90 m) on page 11).• Dedicated setting on outdoor unit is required (see [2-49]= on page 33).In case the outdoor location is lower than indoor: extension is possible up till195 ft. (60 m) and following 6 conditions must be fulfilled:• Liquid piping size up (see table Size up for equivalent length for outdoor-indoor units over 295 ft. (90 m) on page 11).• Dedicated setting on outdoor unit is required (see [2-35]= on page 33).