Evaporative Cooler Equipped Units (Optional) - Trane GGAA Installation, Operation And Maintenance Manual

Condensate Drain piping must have a P-trap in line immediately downstream of drain pan
connection, external to the unit, to prevent possible outside air leakage into unit. The P-trap shall
be of sufficient differential to overcome negative pressure of the indoor air blower. A minimum
height difference of 2 inch (51 mm) is required (See
prime P-trap with either water (summer) or glycol (winter).

Evaporative Cooler Equipped Units (Optional)

Refer to Evaporative Cooler Installation and Service Manual for water and electrical connections.
MUA-SVX005B-EN
Figure 9, p.
Figure 9. Drain Pan Connection
I I n n s s t t a a l l l l a a t t i i o o n n
21). Before unit operation begins,
21