Trane TAMXB0A24V21DB Installation, Operation And Maintenance Manual page 26

R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g
Important: Do not open the service valves until the refrigerant lines
and indoor coil leak check and evacuation are complete.
8. Evacuate until the micron gauge reads no higher than 350
microns, then close off the valve to the vacuum pump.
9. Observe the micron gauge. Evacuation is complete if the micron
gauge does not rise above 500 microns in one (1) minute.
a. Once evacuation is complete blank off the vacuum pump and
micron gauge, and close the valves on the manifold gauge
set.
Note: Charge system using Outdoor unit's Installer Guide or Service
Facts.
Note: Use soapy water to wipe any refrigerant oil off the panels.
10. Replace the Line Set panel.
a. Allow time for tubing to cool.
b. Install grommets to line set piping in orientation shown.
Note: A slight amount of dish soap can be used to aid in the
installation of the grommets. Remove any excess from the
tubing and grommet after the grommet is installed.
c. Slide the bottom of the Line Set panel down over the
refrigerant lines and grommets. The grommets will seal the
line openings.
d. Tighten screws on the Line Set panel.
26
0350
Microns
ON OFF
1 MIN.
SEE ENLARGED ILLUSTRATION FOR ORIENTATION
18-GJ89D1-1F-EN