Appendices to the manual 86
Code 429159
Rev. 15/0717
B. Use of bath and proportional dosing in a machine connected to a dosing control unit
This example shows how to use the proportional dosing function in programs involving external dosing.
To be able to use proportional dosing, select the following options from the general operating parameters (see
Section 10.2.1) of the Tools menu:
Load counters
Proportional bath level
Proportional dosing
Also activate Info A6 mode in the advanced programming options (See section 10.2.2).
Remember:
The proportional bath level modifies the bath level values in proportion to the load selected, and in
accordance with the machine’s limits and the concentration of the product.
Proportional dosing modifies the external dosing times controlled directly by the washing machine in
proportion to the reduction of the bath level.
In a machine connected to an external dosing control unit and configured to work with bath level and with
proportional dosing, the bath proportion is controlled directly by the washing machine, and the amount of
product dosed must be calculated from the central dosing control unit.
To influence the time of dosing and therefore influence the adjustment of the dosage depending on the load, a
timing signal must be entered to tell the central dispensing unit when the dosing is required and for how long.
This timing signal may be a dosing output outside of the washer (board A4). Thus, the time assigned to this
output will be the time onto which the machine will apply the corresponding percentage of reduction.
Below is an example of programming, based on the use of the Info A6 mode in a washing machine with a 40kg
nominal load.
For this case, a washing load value of 20 kg and the decimal code 8 need to be transferred in an HS-6040
machine.
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