Trane 4TTR4018-060 - Refrigerant Line Specifications; Line and Valve Connection Sizes; Factory Charge and Line Length Adders

6 18-AC51D1-10E-EN
Section 5. Refrigerant Line Considerations
5.1 Refrigerant Line and Service Valve Connection Sizes
Table 5.1
5.3 Required Refrigerant Line Length
5.2 Factory Charge
Determine required line length and lift. You will
need this later in STEP 2 of Section 14.
Total Line Length = __________ Ft.
Total Vertical Change (lift) = __________ Ft.
The outdoor condensing units are factory
charged with the system charge required for the
outdoor condensing unit, ten (10) feet of tested
connecting line, and the smallest rated indoor
evaporative coil match. Always verify proper
system charge via subcooling (TXV/EEV) or
superheat (fixed orifice) per the unit nameplate.
See table for line length adders.
Line Length
TUBING INFORMATION
LINE TYPE
REFRIGERANT TO ADD AT SPECIFIED
ADDITIONAL LENGTH
Suction
Line
Liquid
Line
20 ft 30 ft 40 ft 50 ft 60 ft
3/4" 3/8" 3 oz 9 oz 15 oz 21 oz 27 oz
7/8" 3/8" 3 oz 9 oz 16 oz 22 oz 28 oz
1-1/8" 3/8" 3 oz 9 oz 17 oz 23 oz 29 oz
Line Sizes Service Valve Connection Sizes
Model
Vapor
Line
Liquid
Line
Vapor Line
Connection
Liquid Line
Connection
4TTR4018N 3/4 3/8 3/4 3/8
4TTR4019N 3/4 3/8 3/4 3/8
4TTR4024N
3/4 3/8 3/4 3/8
4TTR4025N
3/4 3/8 3/4 3/8
4TTR4030N
3/4 3/8 3/4 3/8
4TTR4036N
3/4 3/8 3/4 3/8
4TTR4042N
7/8 3/8 3/4 3/8
4TTR4048N 7/8 3/8 7/8 3/8
4TTR4049N 7/8 3/8 7/8 3/8
4TTR4060N 1-1/8 3/8 7/8 3/8
4TTR4018L 3/4 3/8 3/4 3/8
4TTR4024/25L
3/4 3/8 3/4 3/8
4TTR4030/31L
3/4 3/8 3/4 3/8
4TTR4036/37L
3/4 3/8 3/4 3/8
4TTR4036/37M
3/4 3/8 3/4 3/8
4TTR4042/43L
7/8 3/8 7/8 3/8
4TTR4048L 7/8 3/8 7/8 3/8
4TTR4060L 7/8 3/8 7/8 3/8