6
Determine required line length.
Section 5. Refrigerant Line Considerations
5.1 Refrigerant Line and Service Valve Connection Sizes
5.2 Required Refrigerant Line Length
Line Sizes Service Valve Connection Sizes
Model
Suction
Line
Liquid
Line
Suction Line
Connection
Liquid Line
Connection
24/36
48/60
3/4 3/8 3/4 3/8
3/8 3/8
7/8 7/8
Table 5.1
5.3 Refrigerant Line Insulation
Important: The Suction Line must always be
insulated. DO NOT allow the Liquid Line and
Suction Line to come in direct (metal to metal)
contact.
Suction Line
Liquid Line
Insulation
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