Water Intake Monitoring Water Control System (Wcs); Water Overflow Monitoring; Flow Meter (B3/4) - Miele W 4840 Descriptive Technical Documentation
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- Operating and installation instructions (60 pages) ,
- Technical information (90 pages)
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040-4
2.4
Water intake monitoring
Water intake monitoring will register a shut off faucet, too low water pressure, or a
seal problem, such as a missing lint filter.
If a fault occurs, the program is stopped and the fault message water intake fault
is displayed.
A water intake fault is issued under the following conditions,
if after 5 seconds water intake the flow meter (B3/4) does not register a
signal,
if after 150 seconds water intake the analog pressure sensor (ADS) does
not register an increase of at least 8 mm wc,
if the flow meter (B3/4) registers 15 liter water intake and the water pressure
as measured by the analog pressure sensor (ADS) did not increase to at
least 20 mm wc.
Or if the water volume in one block rises above a critical threshold.
Hot water only: When the program option hot water intake is selected, the fault
is not saved and the program which is running is continued with cold water.
2.5
Water overflow monitoring
If the overflow level of 10 wc is reached, the drain pump (M8) runs until the level
drops by 3 down to 7 wc.
2.6
Flow meter (B3/4)
The flow meter (B3/4) is integrated into the water path control unit.
The flow meter (B3/4) generates impulses depending on the water flow.
Based on these impulses, the electronic calculates the amount of water that has
run into the suds container.
Advantages:
The flow meter registers the amounts of water flowing in more accurately,
compared to previous systems without this sensor.
The analog pressure sensor (ADS) monitors the function of the flow meter.
During a malfunction or total failure of the flow meter, the water intake is controlled
via level-controlled fill.
This information should not be duplicated or passed on without Miele approval. All rights reserved.
Descriptive Technical Documentation
water control system (WCS)
DTD no. 11-4800
22.12.2006, US_am
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