York IDH072B21S Series Installation And Maintenance Manual page 24

After performing condensate piping work and electrical wiring, verify that water flows smoothly as in the
following procedure.
Checking with the Float Switch
a. Turn ON the power supply.
b. Pour 68 to 84oz (2 to 2.5 liters) of water into the condensate pan.
c. Ensure that the water flows smoothly and no water leakage occurs. When water cannot be found at
the end of the condensate piping, check for leaks in main condensate line if none are found repeat test
until water is observed at end of main condensate line.
20
NOTICE
P01432Q-rev.1