Section 7. Refrigerant Line Brazing - Trane 4TWR7 Installer's Manual

Side View
Wall
Isolation Through Wall

Section 7. Refrigerant Line Brazing

7.1 Braze The Refrigerant Lines
STEP 1 - Remove caps or plugs. Use a debur-
ing tool to debur the pipe ends. Clean both
internal and external surfaces of the tubing
using an emery cloth.
18-BC90D1-4A-EN
8 Feet Maximum
Secure Vapor Line using isolators every 8 ft. Secure Liquid Line
directly to Vapor Line using tape, wire, or other appropriate method
every 8 ft.
Isolation In Wall Spaces
Sealant
Insulation
Vapor Line
8 Feet Maximum
DO NOT hang line sets from ductwork
Wall
Isolator
Line Set
Ductwork
Isolator
Line Set
9