317• Split Sky Air • Outdoor Units 26• Outdoor Units • R-410A • RZQ-DV17 Piping diagram3TW29165-1RZQ71-140DV1 (Pair)Indoor unitField piping J15.9 C1220T-0Field piping J9.5 C1220T-0Heat exchangerFilterStop valve(with service port 5/16’ flare)FilterElectronicexpansionvalve4-way valveCompressorService port5/16″Heat exchangerAccumulatorOutdoor unitO Check valve L Flare connection M Screw connection N Flange connection Z Pinched pipe P Spinned pipeHeatingCoolingHigh pressureswitchFilterLow pressuresensor3TW29165-2RZQ71-140DV1 (Twin)Indoor unitField piping J15.9Field piping J9.5Low pressuresensorHeat exchangerFilterStop valve(with service port 5/16’ flare)FilterElectronicexpansion valve4-way valveCompressorService port5/16″Heat exchangerOutdoor unitO Check valve L Flare connection M Screw connection N Flange connection Z Pinched pipe P Spinned pipeHeatingCoolingHigh pressureswitchFilterHeat exchangerFilterIndoor unitField pipingField pipingField pipingField pipingBranch ductconnectionOptionNote: 1. The pipes between the branch and the indoor units should have the same size asthe indoor connections.Accumulator