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4.1.3 Water Supply Hardness Setup (hd)
The current supply hardness setting is shown using the red LEDs on the touch switch panel. One of ve settings
should be selected according to the known hardness of the supply water.
DishDrawer Setting Grains per Gallon Parts per Million
No LED 0-6 0-150
1 LED 6-14 150-250
2 LED 14-20 250-350
3 LED 20-26 350-450
4 LED 26-32 450-550
5 LED 32-36 550-625
NOTE: No LED = Water Softener turned o, continuous bypass of softener
Push KEYLOCK to advance the Water Softener setting. Once the desired setting has been achieved, push
POWER to exit.
Selection of a setting aects how the electronic controller diverts supply water, how much water is treated, and
how much salt is used in regeneration, in a manner that optimises the performance of the water softener.