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5.1 Adjustment of the boiler water level probe
the level probe is normally placed in a standard position for all models of the 100 tOUCh seri-
es. however, if the client so desires, it is possible to increase or decrease the amount of water
in the boiler by adjusting the level probe as shown in the figure.
5.2 Adjustment of pump serving pressure
In models of the 100 tOUCh series, the pump is located inside the coffee machine.
Note:
On request, an external pump can be installed on the external pump.
Calibration of the pump operating pressure is set by LA SAN MARCO SPA at 9 bar. If you want to change this
value, proceed as follows:
1)
the standard location for the pump is the right side of the machine (looking at it from the work zone). to
access it, the right side must be removed (figure 11).
2)
Press the continuous dispensing button in the 100 tOUCh models to dispense water from one of the
dispensing units.
3)
On the lower graduated scale of the gauge, read the pump operating pressure.
4)
Adjust the pressure using the adjustment screw of the internal pump (figure 11) of an external pump (fi-
gure 12). to increase the pressure, tighten the screw and read the corresponding value on the lower scale
of the gauge. to decrease the pressure, loosen the adjustment screw.
figure 11
5)
Once the desired pressure has been set, stop serving water and close the side of the machine.
Note:
The suggested calibration of the pump to obtain proper serving is 9 bar.
5.3 Adjustment of steam pressure in boiler
the steam pressure in the boiler is shown on the upper graduated scale of the pressure gauge b (figure
13). the lower graduated scale indicates the operating pressure of the pump. to change the pressure of the
liquid-saturated steam mixture inside the boiler, you will need to vary the temperature as explained in the
programming chapter.
36
figure 12
figure 13
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