Owner's manual

Heat Controller VFH InverterFlex
®
- Ceiling Cassette
9
11. After all condensate piping is installed, ensure there are no leaks and that condensate will drain freely.
12. Test by slowly pour approximately 20oz (600ml) of water into the unit through the drain access location of
the indoor unit. The square perforation in the foam of the housing is the knockout to access the
condensate drain pan inside the unit.
Notes:
• The knockout is under the drain outlet on the 24K models as shown below.
• The knockout on the 12/18K model is on the opposite side of the unit from the drain outlet.
• A drain hole with plug is provided to drain condensate from the internal pan before repair or
replacement.
DrainOutlet
DrainAccess
Knockout
DrainAccess
DrainwithPlug