TESTING AND INSPECTION
Start-up Checklist (Con’t)
□
Test the Drain Piping.
The Ceiling Cassette contains a condensate pump and float switch. Test the condensate
disposal system by the following:
1. Remove grille and frame from the unit and find the drainage port.
2. Locate and Remove the access cover.
3. Place the unit in cooling mode and wait until the compressor turns on.
4. Slowly add 20 to 24 oz. of a water bottle to the drain pan.
5. Water must drain freely from the unit with
condensate pump energized. If not, check the
pipe slope or see if there are any pipe restrictions.
Verify all piping joints are leak free.
Note:
This unit is equipped with a safety float switch to de-energize the compressor
if the water level gets too high.
Use plastic water bottle
with a minimum 4-inch pipe
Drain hose
Test hole cover
Test hole
28
