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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
GAFA2A0A36M31SC, GAFA2A0A36M31SC
3/4 3/8
Notes:
1. This table indicates the tubing connection diameters at the indoor coil. A field supplied reduc-
ing 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
EEV Stepper
Motor
Vapor Line
Liquid Line
Evaporator Temperature
Sensor (ET)
- located on 3/8" Aluminum
distributor tube
(orange wires)
Gas Temperature
Sensor (GT)
- located on copper
section of manifold
(black wires)
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