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Section 10. Refrigerant Line
10.1 Refrigerant Line Connection Sizes
10.2 Refrigerant System Layout
Refrigerant Line Set and Connection Sizes
Model
Vapor Line
Connection
Liquid Line
Connection
GAM5B0A18M21SB, GAM5B0A18M11EA
3/4 3/8
GAM5B0A24M21SB, GAM5B0A24M21EA
3/4 3/8
GAM5B0B30M31SB, GAM5B0B30M21EA
3/4 3/8
GAM5B0B36M31SB, GAM5B0B36M31EA
7/8 3/8
GAM5B0C42M41SB, GAM5B0C42M31EA
7/8 3/8
GAM5B0C48M41SB, GAM5B0C48M41EA
7/8 3/8
GAM5B0C60M51SB, GAM5B0C60M51EA
7/8 3/8
Note: Refrigerant line sets should match the vapor line connection size in this
table when connecting to any single stage outdoor unit.
Table 10.1
Vapor Line Liquid Line
Note: An inlet strainer is located inside the liquid line mechanical fitting.
TXV
Sensing
Bulb
TXV
External
Equalizer
Line
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