Fisher & Paykel DD607, DD247 DishDrawer Setting, Grains per Gallon, Parts per Million

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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 five 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 off, 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 affects 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.