18
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
GAF2A0A18S11EE, GAF2A0A18S11SE
3/4 3/8
GAF2A0A24S21EE, GAF2A0A24S21SE
3/4 3/8
GAF2A0A30S21EE, GAF2A0A30S21SE
3/4 3/8
GAF2A0A36S31EE, GAF2A0A36S31SE
3/4 3/8
Notes:
1. This table indicates the tubing connection diameters at the indoor coil. A field supplied re-
ducing coupling may be required.
2. All AHRI listed systems are tested with 25 feet of refrigeration tubing; the rated tubing diam-
eters are located in the electronic performance data system.
3. If the refrigeration lines exceed 60 feet in linear length and / or if alternate size refrigeration
tubing is present at the job, please consult SS-APG006-EN or 32-3312-**(latest version)
Table 10.1
TXV
Braze
Shield
Vapor Line
Liquid Line
External
Equalizer
Line
TXV
Sensing
Bulb -
(No
insulation
required)
Note: An inlet strainer is located inside the liquid line mechanical fitting.
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