Trane 4MYW6-A Installer Manual page 15

Figure 1.
9.
10. The gas valve is now open for refrigerant flow. If refrigerant lines are longer than
Outdoor condensation drainage (Heat pump type only)
When the unit is heating, the condensing water and defrosting water can be drained out reliably
through the drain hose.
Installation:
Install the outdoor drain kit in a hole 1 inch on the base plate, and joint the drain hose to the kit,
so that the wastewater formed in the outdoor unit can be drained out to the proper place.
In applications where the system may be operating in heating mode during ambient conditions
near or below freezing. consider wrapping the drain line with heat tape or equivalent to prevent
the drain line from freezing during defrost operation.
MS-SVN22A-EN
Vacuum Pump and Leak inspection
The gas valve can now be opened. Open the gas valve by removing the shut-off valve cap
and turning the valve stem 1/4 turn counterclockwise using 1/4" Open End or Adjustable
wrench.
it will be necessary to adjust system re
kit
frigerant charge upon completion of installation.
twenty five ft
15