6 18-AC79D1-10D-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.)
4TTR3018N
3/4 3/8 3/4 3/8
150 50
4TTR3024N
3/4 3/8 3/4 3/8
150 50
4TTR3030N
3/4 3/8 3/4 3/8
150 50
4TTR3036N
3/4 3/8 3/4 3/8
150 50
4TTR3042N
7/8 3/8 7/8 3/8
150 50
4TTR3048N
7/8 3/8 7/8 3/8
150 50
4TTR3060N
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).
4TTR3018H
3/4 3/8 3/4 3/8
150 50
4TTR3024H
3/4 3/8 3/4 3/8
150 50
4TTR3030H
3/4 3/8 3/4 3/8
150 50
4TTR3036H
3/4 3/8 3/4 3/8
150 50
4TTR3042E
7/8 3/8 7/8 3/8
150 50
4TTR3043A
7/8 3/8 7/8 3/8
150 50
4TTR3048E
7/8 3/8 7/8 3/8
150 50
4TTR3049A
7/8 3/8 7/8 3/8
150 50
4TTR3060E
7/8 3/8 7/8 3/8
150 50