18-GJ96D1-1B-EN
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Refrigerant Line Brazing
Table 19. Braze the Refrigerant Lines
1. Remove Heater, Coil, and Line Set panels.
Heater
Panel
Line Set
Panel
Coil
Panel
1
2
3
Important: Do NOT unseal coil refrigerant connection stubs until
ready to make connections.
Important: Heat Sensitive Sensors. The Gas Temperature Sensor
must be removed or a wet rag must be wrapped around
the suction line between the Sensor and the braze joint
to protect it from failure due to overheating.
2. Remove the sealing plug from the indoor coil suction line.
3. Remove the sealing plug from the indoor coil liquid line.
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.
4. Connect, but do not braze field line set to indoor coil.
a. 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.
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