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3510
FUNCTION DESCRIPTION
The washing action of the KitchenAid KUD01 Stainless Steel Dishwasher performs more work and
maintains higher performance with reduced energy consumption. This is accomplished with the fol-
lowing: 1) A redesigned wash system using separate wash and drain pumps. 2) A soil sensor and
thermistor which monitor washing conditions. 3) An electronic control board which adjusts cycle
functions to optimize washing performance.
Wash/Rinse Function
1a
1b
1c
2
3
4
5a
5b
6
7
8
9
6
9
The main wash water passes from the spray arm
nozzles, over the dish load and into the sump as-
sembly, where a number of operations occur.
1. Water and soils pass through the course
protection grate at the top of the sump as-
sembly (1a) and then passes through the
foreign object protector (1b) into the main
wash pump inlet chamber (1c).
2. The water then passes through the chop-
per assembly where food particles are re-
duced in size so they can pass through
the water delivery system. (2)
3. Water is drawn through the impeller and
into the pump chamber. (3)
4. Here, 20 percent of the water is diverted
towards the soil accumulator. Food soils
in this water stream are separated by the
separation screen. (4)
5. Downstream restrictions limit the water
flow into the accumulator to 10 percent.
(5a) The remaining water is allowed to
rejoin the main wash flow by passing
through the separation screen. (5b)
6. This heavily soiled water is distributed
throughout the accumulator. (6) Soils will
remain trapped in the accumulator until a
drain or Automatic Purge Filtration event
takes place.
7. Since the water in the accumulator is un-
der some minimal pressure, it rejoins the
main wash water by flowing through the
accumulator screen into the tub. (7) For
this to occur properly it is critical that
the dishwasher be installed perfectly level.
8. Jets located on the underside of the lower
spray arm continuously wash down the ac-
cumulator screen to allow more soils to
concentrate. (8)
9. The remaining 80 percent of the wash
water will flow from the impeller through
the volute and up through the spray arms.
(9)
NOTE 9 - SOAKING PAUSE INTERVAL — ENERGY STAR NORMAL CYCLE ONLY
Intervals 13 and 32 are mid-cycle soaking/pause intervals and are only used in the Energy Star light
soil/non-sensor version of the Normal cycle. The control stops washing and turns all loads off except
the vent in these intervals. The intent is to let the existing energy in the wash water on the dishes
soften and loosen the food soil. The Soaking and Soaking/Sensing indicators are turned on during
these intervals (see note 7).
NOTE 10 – PULSED DRY — CHINA CYCLE ONLY
The China cycle (on all models) turns the heater off in intervals 1, 3, and 5 of the dry period to create
a gentler “pulsed” dry function.
NOTE 11 – HEATER ON — QUICK CLEANUP/TIME SAVER CYCLE ONLY
To make up for no water heating thermal holds, the heater is turned on in intervals 10-12, 14, and 41-
42 of the Quick Clean Up/Time Saver cycle. The heater in interval 10 of the Quick Clean Up/Time
Saver cycle is thermally capped at 150F/66C (see note 4).
NOTE 14 – POWER SCOUR/HIGH TEMP SCRUB OPTION
The Power Scour/High Temp Scrub option is not allowed with China, Quick Clean Up/Time Saver, or
Rinse Only/Quick Rinse cycles. This option does the following:
(a) Anti-Bacteria/Cookware and Pots & Pans/Heavy cycles
• Forces the control to run no less than a 5-fill (Wash-Wash-Rinse-Rinse-Rinse-Dry) version
of the cycle, even if no soil is sensed.
• Raises the pre-wash water heating thermal hold (interval 40) to 135F/57C
• Raises the main wash water heating thermal hold (interval 33) to 145F/63C (except Anti-
Bacteria/Cookware cycle, which is already 145F/63C).
(b) Normal cycles
• Forces the control to run no less than a 4-fill (Wash-Wash-Rinse-Rinse-Dry) version of the
cycle even if no soil is sensed. Note: the standard (non-Energy Star) Normal cycle is al
ready a minimum of 4-fills (Wash-Wash-Rinse-Rinse-Dry) with light/no soil.
• Raises the main wash water heating thermal hold (interval 33) to 145F/63C.
NOTE 15 – SANI RINSE OPTION
The Sani Rinse option is not allowed on China, Quick Clean Up/Time Saver, and Rinse Only/Quick
Rinse cycles. It is “built in” and treated as an automatic option on the Anti-bacteria/Cookware cycles.
This option does the following:
• Raises final rinse water heating thermal hold (interval 15) to 160F/71C and adds 20 min-
utes to its default maximum time limit.
• Turns the heater off in the last two intervals of the dry period (intervals 1 and 2).
• Invokes the Sanitized status indicator at the end of the cycle (see note 8).
NOTE 16 – AIR DRY/NO HEAT DRY/ENERGY SAVER DRY OPTION
The Air Dry/No Heat Dry option is not allowed on the Rinse Only/Quick Rinse cycle (which has no dry
function). This option does the following:
• Turns the heater off in the dry period (intervals 1-6).