– 55 –
• Turbidity Sensor: 5 VDC to LED, 10k ohms
• Thermistor (in turbidity sensor)
• Spray Arm Rotation:
Circulation System
Spray Arm RPM
Lower 50 RPM CW +/- 10%
Middle 30 RPM CCW +/- 10%
With only .83 gallons of water, ltration is the start of improved performance. Water is cleaned through
the ne and ultra-ne lters before it enters the main pump. Water must also ow through the Piranha
Hard-Food Disposal and nally into the wash pump assembly. Clean ltered water then ows into
the diverter system which directs it to either the lower spray arm or mid spray arm and upper sprayer.
Water is jetted through more jets and with more power due to different wash zones created by the
diverter.
This section will discuss wash system ltration, operation, components, removal procedures and
diagnostics. The new 2019 Stainless Steel Tub Dishwasher features alternating spray arms allowing
low water use, helping energy efciency. A diverter system is used to isolate the wash arms and is
controlled by cycling the wash pump as described later in this section. Some models have a wash
zone feature which allows the consumer the exibility of washing in the lower or upper racks only.
Using this feature will shorten the cycle time by 30%. When Bottle Wash is selected, the upper rack
time is increased allowing the bottle wash feature to be used for maximum cleaning. Filtration has
been greatly improved to allow clean ltered water to circulate during wash. The ne and ultra-ne
lters are consumer removable and cleanable.
Specications
• Single Speed Circulation Pump: 120 VAC,
.8 amps – 3.8 LRA, 8 GPM @ 5PSI
• Heater: 120 VAC, 18 ohms wet – 28.8 ohm
dry, 6.67 amp wet -4.17 dry, Watts 800 wet
/500 dry +/- 5%
• Detergent Cup: 13.5 VDC, 32 ohms, .5
second to release detergent cup, 15 seconds
to release Rinse Aid (see the Door section of
Tub and Structure in this service guide).
Bottle Wash Cover
Bottle Wash Manifold
Bottle Wash Clip
Mid Conduit
Mid Spray Arm
Lower Spray
Arm
Ultra-Fine Filter
Sump
Upper Spray System
Bottle Wash Hose
Main Conduit
Docking Cone
Diverter Top
Check Ball
Fine Filter
CW: Clockwise CCW: Counter-Clockwise
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