Carrier 42XQ Series Installation And Start-Up Instructions Manual page 10

To guarantee efficient drainage:
a) Ensure that the unit is level, with a
slight inclination towards the drainage
side - approximately 2
b) The unit uses gravity drainage. However,
the drainage pipe must have a downward
slope. Avoid the situation shown in
Fig. 15.
Fig. 15 - Inefficient drainage scenarios
10
o
(Fig. 14).
Fig. 14 - Drainage inclination