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2.7.5 Recommended Line Sizing
Note1: If equivalent piping length falls between two columns above, choose the longer
equivalent length.
Note 2: Dual Circuit units should use the same line size on both circuits.
Note 3: If hot gas line or suction line refrigerant ow is upward use, “VERTICAL UP”,
if it is downward or horizontal, use “HORIZ. & VERTICAL DOWN”.
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