Fisher & Paykel DD36, DD90 manual Water hardness and dishwashing, What is water hardness?

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Water hardness and dishwashing

What is water hardness?

Hard water is water with a high concentration of minerals such as calcium and magnesium. In soft water, this concentration is low. Water hardness varies by geographical location.

How does water hardness affect dishwashing?

Hard water can be detrimental to the peformance of your DishDrawer. Over time, glassware washed in hard water will become opaque and dishes will become spotted or covered in a white film. Using very hard water can cause DishDrawer parts to fail over time.

Naturally soft or softened water has no detrimental effects if used with the correct amount of detergent. However, excess detergent combined with hot, soft water may cause irreversible etching on glassware. Etching first appears as a rainbow-coloured film and—if allowed to continue—can make glassware permanently opaque.

What can I do to minimise any detrimental effects?

Contact your local water company to find out about water hardness in your area.

If your home has hard water and your DishDrawer has no built-in water softener...

Follow the detergent quantity recommendations on the following page.

Use a detergent with high phosphate content. Phosphate softens the water and this improves wash results.

Use rinse aid. We recommend you turn the rinse aid setting to 5 to help improve wash performance.

Use a dishwasher cleaner/descaler regularly, or whenever you notice a build-up of limescale deposits in your DishDrawer.

Important!

We recommend fitting a water softener to the household water supply. If the water hardness in your home is above 250 ppm/14.6 gpg, a water softener has to be fitted to maintain the performance of your DishDrawer.

If your home has naturally soft or softened water…

Avoid using too much detergent. Follow the quantity recommendations on the following page. Ensure the DishDrawer is not overloaded and water can reach all the dishes.

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Contents User guide Page Contents Important safety instructions Safety and warningsInstallation Maintenance OperationalFor the Republic of Ireland Fuse replacementFor Great Britain only Socket outlet / plug valid for both countriesOperating instructions Controls Power buttonDelay start Start/Pause buttonChildlock Power failureKeylock Wash programme selectorStart Operating instructions Quick startLoad dishes FinishCaring for your dinnerware Holiday timeRacking and accessories Cutlery basketRemovable small items container Racking and accessories Removable tablet trayMulti-purpose clip Glass supportsStemware notches ‘Slide-and-fold’ tinesAdjustable racks Cup rack with folding support wireKnife clip When loading your DishDrawer, make sure that Loading suggestionsHow not to load your DishDrawer Using tablets PreferredAlternative How does water hardness affect dishwashing? What is water hardness?Water hardness and dishwashing What can I do to minimise any detrimental effects?Detergent quantities Wash programmes and detergent quantitiesWash programmes Heavy Normal Fast DelicateDetergent dispenser Filling the detergent dispenserAmount of detergent to use Filling the rinse aid dispenser Rinse aid indicator lightRinse aid dispenser How much rinse aid to useWater softener Setting up the water softenerHow to fill the salt reservoir Only GB IE models have a built-in water softenerSalt indicator light Salt reservoirOption adjustments Option Cleaning the drain filter User maintenance instructionsCleaning the surfaces Wash programme with detergent immediatelyCleaning the spray arms and filter plate To remove the base rack and spray armsTo replace the spray arms and base rack Troubleshooting Beeping Problem Possible Cause What to do ContinuousBeeping Intermittent DishDrawer willFault codes How to recognise a fault codeHow to attend to a fault code Fault codes Possible causes What to do If there is no water in the DishDrawer Warranty and service Before you call for service or assistanceFisher & Paykel Appliances Wash programme data Heavy Normal Fast Delicate RinseHeavy ECO Normal ECO Fast ECO Delicate ECO Great Britain and Ireland Wash programme Rinse agent setting Maximum place setting Standards test USA and CanadaRecommended loading pattern Standards test NEW Zealand and Australia Wash programmeRinse aid setting Water softener setting Detergent quantitiesStandards test Page US CA NZ AU GB IE
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DD90, DD36 specifications

Fisher & Paykel is renowned for its innovative kitchen appliances, and their range of dishwashers, including the DD60, DD36, DD90, and DD24 models, exemplifies the brand’s commitment to quality and user-centric design. Each model in this lineup brings unique features and advanced technologies to enhance the dishwashing experience.

The Fisher & Paykel DD60 is a distinctive double drawer dishwasher that offers the convenience of washing at two separate capacities. This twin-drawer design allows users to operate one drawer while the other remains closed, accommodating varied loads and enabling energy efficiency. With its SmartDrive technology, the DD60 uses a direct current motor that intelligently adjusts water and energy consumption, ensuring optimal cleaning performance while minimizing resource usage.

Moving on to the DD36, this model provides a spacious design that can hold larger loads, perfect for extensive dinner parties or family gatherings. Its stylish design fits seamlessly into a modern kitchen, while the flexible racking system ensures that dishes of all shapes and sizes can be accommodated. The DD36 also incorporates the same SmartDrive technology, guaranteeing effective cleaning with eco-friendly attributes.

The DD90 stands out with its sizable capacity and advanced wash system. It features an intuitive control panel and customizable wash cycles, allowing users to choose the ideal settings for the load at hand. The DD90's stainless steel interior enhances durability and resists stains, while its multiple spray arms ensure thorough coverage and cleaning efficiency. Additionally, it operates remarkably quietly, making it a perfect fit for open-concept living spaces.

Lastly, the Fisher & Paykel DD24 is a compact solution that fits seamlessly into smaller kitchens without compromising on performance. This model is perfect for apartment dwellers or those looking to maximize space. It boasts a variety of wash programs, from quick washes to intensive cycles for stubborn stains. Its built-in water softener prevents mineral deposits, ensuring sparkling clean dishes every time.

Collectively, the Fisher & Paykel dishwasher range reflects a balance of practicality, efficiency, and modern design. Their commitment to sustainability, innovative features, and advanced technologies makes these models a top choice for consumers seeking reliable dishwashing solutions, regardless of their kitchen size or washing needs.
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