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4. REFRIGERANT FLOW DIAGRAM
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Indoor Unit AWR509CL
Outdoor Unit AER509SC or AER509SCL
Compressor
Accumulator
Wide tube
service
valve
Wide tube
O.D.
ø9.52 mm
(3/8 ")
Narrow
tube
service
valve
Narrow tube
O.D.
ø6.35 mm
(1/4")
Condenser
Capillary tube
Indoor Unit Outdoor Unit
Evaporator
Strainer
Indoor Unit AWR512CL
Outdoor Unit AER512SC
Capillary tube
Compressor
Accumulator
Wide tube
service
valve
Wide tube
O.D.
ø12.7 mm
(1/2 ")
Narrow
tube
service
valve
Narrow tube
O.D.
ø6.35 mm
(1/4")
Condenser
Evaporator
Indoor Unit Outdoor Unit
Strainer
AWR507CL AWR508CL
AER507SC or AER507SCL