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18-BC96D1-1A-EN
Section 5. Refrigerant Line Considerations
5.1 Refrigerant Line and Service Valve Connection Sizes
Table 5.1
RATED
LINE SIZES
Line Sizes
Service Valve Connection Sizes
Max Line & Lift Lengths
Vapor
Line
Liquid
Line
Vapor Line
Connection
Liquid Line
Connection
TOTAL Max
Line Length (ft.)
Max Lift (ft.)
4TWA7036A3/4
3/4
3/8
3/4
3/8
80
25
4TWA7048A3/4
7/8
3/8
7/8
3/8
150
50
4TWA7060A3/4
1-1/8
3/8
7/8
3/8
80
25
ALTERNATE
LINE SIZES
Line Sizes
Service Valve Connection Sizes
Max Line & Lift Lengths
Vapor
Line
Liquid
Line
Vapor Line
Connection
Liquid Line
Connection
TOTAL Max
Line Length (ft.)
Max Lift (ft.)
4TWA7036A3/4
5/8
3/8
3/4
3/8
150
50
7/8
3/8
3/4
3/8
80
25
4TWA7048A3/4
3/4
3/8
7/8
3/8
150
50
4TWA7060A3/4
3/4
3/8
7/8
3/8
150
50
7/8
3/8
7/8
3/8
150
50
Note:
For other line lengths, Refer to Refrigerant Piping Application Guide, SS-APG006-EN or Refrigerant Piping
Software Program, 32-3312-xx (latest revision).
