Hot Water Dispensing Nozzle; Steam Dispensing Nozzle; Softener; Description - Wega Mininova Use And Maintenance Manual For The Technician

16

Hot water dispensing nozzle

The hot water dispensing nozzle is connecterd to a
suction pipe of the boiler.
Depending on the model, the hot water dispensing
may occur in two ways:
• Manual: regolation by rotation of the knob on the
front of the machine;
• Automatic: by selection of a button connected to a
solenoid valve.
17

Steam dispensing nozzle

Steam dispensing nozzle is connected to the top of
the boiler.
The steam dispensing occurs:
• Manual: regolation by rotation of the knob on the
front of the machine.
Technical manual
18

Softener

18.1

Description

Mains water contains insoluble salts, which cause the
build-up of lime scale deposits in the boiler and other
parts of the machine.
Also in drinking water may be present heavy metals
and other substances such as chlorine harmful to health.
The softener makes it possible to eliminate or
substantially reduce the presence of these mineral salts
due to obtain a good coffee.
The cartridge contained inside the filter must
be replaced with a frequency as indicated by the
manufacturer.
18.2

Measuring of the water hardness

Before using a softener is necessary to verify the
characteristics of the water. To determinate the carbonate
hardness using the specific kit by following these steps:
1.
Put in the test tube (1) 10ml of water to analyze;
2.
add a drop of reagent (2) and mix;
3.
proceed in the same way by counting the number
of drops until the solution (3) change color from
Blue to Red
1 DROP = 1°dKH
Example: 9 Drops ----> Carbonate hardness 9°dKH
3
ROSSO
C:0 M:100 Y:100 K:0
NERO
C:0 M:0 Y:0 K:100
VERDE
C:100 M:0 Y:100 K:0
2
1
29