Section 7. Refrigerant Line Brazing - Trane 4TTR7 Series Installer's Manual

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.
STEP 2 - Remove the pressure tap cap and
valve cores from both service valves.
18-AC94D1-4C-EN
Sealant
Insulation
Vapor Line
DO NOT hang line sets from ductwork
Ductwork
Isolator
Line Set
9