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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.

Trane GAF2A0A30S21EE User Manual

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