Milk Products - Nespresso Momento 120 Service Manual

9.3 Milk Products

The milk module can prepare the following products:
- Hot milk
- Hot milk foam
For the preparation of these products the following is required:
- Cold milk (from fridge)
- Steam (coming from boiler)
- Air (sucked in from machine interior)
- Water to rinse the fluid line
Hot Milk
The milk (green path)
The nozzle valve positioned between the RF-box and the pump inlet remains open
and does not restrict the milk flow. The air valve is closed so that no air is sucked in.
After the milk pump starts, the steam valve opens and the steam
into the milk flow on the outlet side of the pump. The product heated in this way is
conveyed via the outlet valve to the milk outlet of the machine
Hot Milk Foam
Hot milk foam is produced in the same way as hot milk, but with the following
exceptions:
- The nozzle valve closes, throttling the flow of milk from the RF box and increasing
the vacuum on the suction side of the pump.
- The air valve opens and air
Machine
interior
Version 1.4 EN
is sucked out of the milk tank with the milk pump via RF-box.
(blue path) is sucked in.
Milk Module - Hydraulic Functions
(red path)
(yellow
RF-Box
(milk tank)
outlet valve
Momento 120 Service Manual
is blown
path).
Fig. 25
61