User Guide
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Building with Di erent Wall 
Thickness Application
Sizing Chart and Selection Information
Maximum Line Set, Drain Pipe, and Cable Capacity using 3/8” Insulation
Model  2 30-D3 2 30-D4 2 30-D6
Dimensions  3” x 2-1/2”  4” x 2-3/4”  6” x 3”
Length  78”  78”  78”
Mini Split Systems – Liquid and Suction Line with 3/8” Insulation
Liquid Line  3/8”  2 x 1/4”  1 x 1/4” + 2 x 3/8”
 Suction Line  5/8”  2 x 3/8”  1 x 1/2” + 2 x 5/8”
 Drain Hose  3/4” OD  2 x 3/4” OD  3 x 3/4” OD 
Power Cable  1 x UF 14-3  2 x 1/2” SealTite  3 x 1/2” SealTite
 Control Cable  1 Pair 18 AWG  2 Pairs 18 AWG  3 Pairs 18 AWG
 Nominal Tonnage  1–3 Tons  1x3 Ton or 2x1 Ton  1x3 Ton or 2x2 Ton
Conventional Split Systems – Liquid Line Plain, Suction Line with 3/8” Insulation
 Liquid Line  3/8”  3/8”  3/8”
 Suction Line  3/4” or 7/8”  1-1/8”  1-1/8”
 Drain Hose  3/4” PVC  3/4” PVC  3/4” PVC 
 Power Cable  1 x UF 14-2  1 x 1/2” SealTite  1 x 1/2” SealTite
 Control Cable  1 Pair 18 AWG  1 Pair 18 AWG  1 Pair 18 AWG
 Nominal Tonnage  Up to 3.5 Tons  4–5 Tons  7.5 Tons and up
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