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Page 40
Version 3.3 / November 2016
3.5 Vending
machine’s working principle
This vending machine prepares and sells drinks made of instant ingredients and coffee beans (for ROS-
SO) / instant coffee (for ROSSO INSTANT). The vending machine prepares and dispenses the selected
drink after the customer deposits cash. The operations related to the preparation and dispensing of drinks
include the following steps:
3.5.1 Dispensing the cups
The drink dispensing section has a swinging mechanism with cup holder. Before starting the process of
making the drink the cup holder gets positioned under the cup dispenser, which dispenses a cup.
As an option (at additional cost) the ROSSO/ROSSO INSTANT vending machines can also be equipped
with cup sensors and additional tray. If the vending machine has this option, the customer can use person-
al glass or coffee mug (maximum volume 200ml), instead of the cup dispensed by the machine. For the
purpose you can just place the cup inside the dispensing section (put the cup in the holder on the tray). In
this case the optic sensors, scan the presence of a cup and restrict the machine from dispensing a new
cup. These sensors are also used by the vending machine to control the process of dispensing the cup
from the cup dispenser (if no personal cup is used) and checks if the cup has been removed by the cus-
tomer (before the customer takes the first cup the vending machine will not allow the customer to order the
next drink).
3.5.2 Sugar and spoon
After dispensing the cup the vending machine dispenses sugar according to the machine’s configu
-
rations and customer’s choice. The spoon is dispensed simultaneously with the sugar. You can set the
conditions for dispensing sugar and spoon in the machine’s service menu.
3.5.3 Preparation of drinks
The swinging mechanism shifts the cup deep inside the vending machine, right under the drink dispens-
ing nozzle. This movement and placement makes sure that the customer cannot interrupt the process by
prematurely removing the cup or injuring his/her hands in the process.
Instant drinks:
These drinks are prepared by continuously mixing the instant ingredient (powder) with hot water and
then mixing various mixed ingredients in accordance with the drinks recipe, which is set using the vending
machine’s service menu.
To make the drink the water is pumped into the float chamber, from where it goes into the boiler, until it
is filled. The boiler heats the water and maintains it at the temperature level set in the vending machine’s
configurations.
The required quantity of the ingredient is poured out of the container into the mixer. The quantity of the
ingredient is set in accordance with the selected drink’s recipe.
The water selector channels the required amount of water from the boiler to the relevant mixer, which
is located near the container with the required ingredient.
When the water flows into the mixer, the ingredient is solved into the amount of water set in the recipe.
Water and the ingredient are mixed inside the mixer until the required drink is obtained. From the mixer
the drink flows through the dispensing nozzle into the cup.
After the process of preparation of drink is finished the cup is moved out into the dispensing area by the
swinging mechanism (position for removing the cup).