Section 11. Refrigerant Line Brazing - Trane GAF2A0A36M31EC Installer's Manual

Section 11. Refrigerant Line Brazing

11.1 Braze The Refrigerant Lines
STEP 1 - Remove Heater, Coil, and Line Set panels.
(See Section 2.2 Panel Removal)
Important: Do NOT unseal coil refrigerant connection
stubs until ready to make connections.
Important: Heat Sensitive Bulb.
The TXV sensing bulb must be removed or a wet rag
must be wrapped around the suction line between the
Bulb and the braze joint to protect the Bulb from failure
due to overheating.
Caution: This coil is pressurized with 8-12 psig of dry
air. Do not stand directly in front of the coil connections
when removing sealing plugs.
Step 2 - Remove the sealing plug from the indoor coil
liquid connection.
NOTE: A small amount of pressure should be re-
leased.
STEP 6 - Connect, but do not braze, field line set to
indoor coil.
Allow a minimum of 1.5 inches of refrigerant line set
before using an elbow coupling.
Important: Service access to the auxiliary heater
must remain unobstructed.
18
1
Heater
Panel
3
Line Set
Panel
2
Coil
Panel
1.5" MIN