Rev 0.0
Dr.coffee Service Manual 21
Water harness setting PPM
Represents the hardness value of the water used by the coffee machine, Unit: PPM
Range：0~999（According to this setting value, the system will automatically remind to
replace the filter or descaling）
For machine with filter , descaling cycle comparison table:
Water harness setting 0-75ppm 76-150ppm 151-300ppm >300ppm
Descaling cycle
The total milk drinks production
reached 4000cups or the total
steam production reached
24hours or the total drinks
production reached 20000 cups
The total milk drinks production
reached 2000 cups or the totals
steam production reached 12
hours or the total drinks
production reached 10000cups
The total milk drinks production
reached 1000 cups or the totals
steam production reached
6hours or the total drinks
production reached 5000cups
The total milk drinks production
reached 500cups or the totals
steam production reached
3hours or the total drinks
production reached 2500cups
Settled water hardness is 0-75ppm:The total milk drinks production reached
4000cups or the total steam production reached 24hours or the total drinks
production reached 20000 cups, the machine will prompt to do descaling;
Settled water hardness is 76-150ppm:The total milk drinks production reached
2000 cups or the totals steam production reached 12 hours or the total drinks
production reached 10000cups,
the machine will prompt to do descaling;
Settled water hardness is 151-300ppm:The total milk drinks production reached
1000 cups or the totals steam production reached 6hours or the total drinks
production reached 5000cups ,the machine will prompt to do descaling;
Settled water hardness is
＞
300ppm: The total milk drinks production reached
500cups or the totals steam production reached 3hours or the total drinks
production reached 2500cups,the machine will prompt to do descaling.
※ Three periodic conditions, when any one of them is reached, prompt to do
descaling. After the required descaling operation, all conditions are reset and
cleared, and then the calculation is restarted.
For machine without filter , descaling cycle comparison table:
Water harness setting 0-75ppm 76-150ppm 151-300ppm >300ppm
Descaling cycle
The total milk drinks production
reached 2000cups or the total
steam production reached 12hours
or the total drinks production
reached 10000 cups
The total milk drinks production
reached 1000 cups or the totals steam
production reached 6 hours or the
total drinks production reached
5000cups
The total milk drinks production
reached 500 cups or the totals
steam production reached 3
hours or the total drinks
production reached 2500cups
The total milk drinks production
reached 250cups or the totals
steam production reached 1.5
hours or the total drinks
production reached 1250cups
Settled water hardness is 0-75ppm:The total milk drinks production reached 2000cups or the total steam production reached 12hours or the total drinks production reached
10000 cups, the machine will prompt to do descaling;
Settled water hardness is 76-150ppm:The total milk drinks production reached 1000 cups or the totals steam production reached 6hours or the total drinks production reached
5000cups, the machine will prompt to do descaling;
Settled water hardness is 151-300ppm:The total milk drinks production reached 500 cups or the totals steam production reached 3 hours or the total drinks production reached
2500cups ,the machine will prompt to do descaling;
Settled water hardness is
＞
300ppm: The total milk drinks production reached 250cups or the totals steam production reached 1.5hours or the total drinks production reached
1250cups,the machine will prompt to do descaling.
※ Three periodic conditions, when any one of them is reached, prompt to do descaling. After the required descaling operation, all conditions are reset and cleared, and then the
calculation is restarted.
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