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Technical Information
91
G 1xxx/G 2xxx
Load sensing:
Unlike the MPEW circulation pump, the MPPW version does not have a Hall
sensor (B3/9) to measure speed of rotation. Instead of utilizing the Hall effect,
the load is registered by monitoring the circulation pump current consumption
as follows:
During the water intake block, a certain fixed basic quantity of water is taken
into the machine. The load is sprayed with this water and some is thus
retained on items in the machine. The less water that flows back into the
sump, the larger the load because more water has been needed to wet the
individual items. The pump then has less water to circulate and its
mechanical load is reduced. By measuring current peaks, the control-power
electronic (SLT) calculates the additional quantity of water that must be taken
in to carry out the program.
2.12 Heater
Elements
Water heating is carried out by a ring heater element in the circulation pump
housing. The heater element and circulation pump together form one
component. This ensures that on models with spray arm alternation heating
can always be carried out whichever water path is currently being used.
Integrating the heater element in the pump housing also ensures that it is
always cooled sufficiently thus preventing the baking-on of soil particles or
impurities in the water. The heater rating is 1.30 kilowatts at 120 volts.
Various safety measures protect the heater element against overheating,
such as the following:
Heater pressure switch
NTC temperature sensor
Electronic
control
The heater is activated only when the circulation pump has taken in sufficient water.
2.13
Heater Pressure Switch, B1/13
Heater pressure switch B1/13 is located directly on the circulation pump and
registers the water pressure when the pump is in operation.
Using the pressure switch contacts, heating is controlled via 2 poles. The
heating is switched via a heater relay located before the pressure switch
contacts in the circuit. Heater activation occurs during the wash and final
rinse cycles.
If the circulation pump and heater relay are activated and the pressure switch
reset contact is open, the control registers a water intake fault (see
Fault
Code F14
, Section 080-3.16).
Summary of Contents for ADVANTA G 2170
Page 1: ...TECHNICAL INFORMATION G 1xxx and G 2xxx Dishwashers All US Models 2012 Miele USA ...
Page 43: ...Technical Information 43 G 1xxx G 2xxx 010 Casing ...
Page 47: ...Technical Information 47 G 1xxx G 2xxx Figure 010 5 Side Hinge Retaining Screw ...
Page 48: ...Technical Information 48 G 1xxx G 2xxx 020 Door ...
Page 64: ...Technical Information 64 G 1xxx G 2xxx 030 Front Panel ...
Page 68: ...Technical Information 68 G 1xxx G 2xxx 040 Inner Cabinet ...
Page 77: ...Technical Information 77 G 1xxx G 2xxx 050 Water Paths ...
Page 220: ...Technical Information 220 G 1xxx G 2xxx 100 Fascia Panel Touchtronic Navitronic Incognito ...
Page 226: ...Technical Information 226 G 1xxx G 2xxx 130 Cutlery Tray ...