Follett Champion 7 Installation Manual page 25

Preventive Maintenance Setting
To determine the correct preventive maintenance interval for your application, use either the TDS or Hardness
tables below. If you use both the TDS and Hardness and your values are not the same, Follett recommends that you
use the lowest value (shortest interval). Without evidence of regular preventive maintenance, warranty will be void.
Unit needs to be installed with proper filtration system that provides TDS/hardness within Follett specifications.
TDS - ppm
TDS Range (ppm)
10 to 150
151 to 250
251 to 350
351 to 400
401 and above
Hardness - ppm
Hardness Range (ppm)
0 to 60
61 to 120
121 to 180
181 to 200
201 and above
PM Schedule (Months)
6
4
3
2
RO/Filtration Required
PM Schedule (Months
6
4
3
2
RO/Filtration Required
Champion Dispenser and Ice Machine - 115 V 25