Vibiemme Domobar Junior - Manual (Page 6)

10 11
4. Start up
Locate the Portafilter you wish to use. Your machine came with two- a smaller, single portafilter (shown
here on the right) as well as the larger, double portafilter (left). The single is meant to create about one
ounce of espresso at a time, and the double creates about two ounces- a double. The double portafilter
can also be used to make two singles at one time.
The first time you lock the portafilter in place, you might find that it takes significant force to get it tight.
The proper position should have the portafilter handle pointing roughly straight towards you, perpendicular
to the front of the machine. This properly seats the gasket and shower screen into place. Leave the
portafilter in place while the machine is warming up. This allows the portafilter to warm up the same as
the rest of the machine.
Place a few cups that you will be using on top of the machine. The heat from the machine’s normal
operation will preheat the cups which will in turn keep your beverage warm as you enjoy it.
CAUTION: Do not place items on the top of the machine that are prone to drip or spill or might be
sensitive to heat. Temperatures on top of the machine reach about 63 C (145 F).
4.1. Start up: plug the machine
Plug the machine into a surge suppressor capable of handling 10 amper (not included). The outlet must be
properly grounded and should be protected with a GFCI (ground fault circuit interrupter).
Make sure that the Manual Control Lever if in the fully-down position, pushed back nearly against the front
of the machine. Turn the Coffee switch to position ON as the Power Lamp on the far right side of the front
panel will be illuminated indicating that the machine is getting power. The double boiler technology allows
to use at the same time or separately the coffee and the steam boilers; so you can turn one of them
or both of them on as you like: only espresso, only steam or both. Anyway, the first time you turn the
machine ON (installation process) you will firstly be required to turn the Coffee switch ON and only then
you will have to turn the Steam switch ON. The Vibiemme Domobar Junior 2B leaves the factory with full
coffee boiler and empty steam boiler. When you turn the coffee switch on, this actuates the coffee boiler
heating element and at the same time the pump filling the steam boiler.
4.2. Start up: turn the machine ON
Within a second or two after turning the Coffee switch to position ON you should hear the pump begin
to run. The sound of the pump indicates that the electronic water level control has begun to fill the boiler.
When the boiler is filled to the level determined by the water level sensor, the autofill electronics will turn
the pump off. After the pump stops, check and refill the Water Reservoir as it will have had about half of its
contents pumped into the boilers. You will know that the steam boiler is filled to the proper level because
the pump will stop operating.
At this stage turn the Steam switch to position ON: the element is getting ON.
As the machine begins to warm up you may notice that there is a slight hissing sound coming from inside
the machine. This is normal. It is the antivacuum valve. This valve opens as the machine cooled off the last
time it was used to allow air to be drawn into the boiler to prevent a high vacuum being formed which can
damage the machine. When the machine starts up it takes a little pressure to close this valve, and until it
closes completely it may hiss slightly.
Wait about five minutes for the boiler to gain some heat. You should notice that the Boiler Pressure Gauge
is indicating that pressure is rising, and when it gets into its operating range you will and you will hear the
pressurestat clicking on and off as it cycles in response to the boiler pressure.
CAUTION: While the boilers are coming up to pressure for the first time you should stay close by to
monitor its progress to be sure that all is as it should be.
WARNING: The Grouphead and other external parts will get hot enough to cause burns.
Use caution when using the machine and if there are any small children in the home (or adults
not accustomed to such appliances) make sure that they are aware of the dangers. Shiny chrome
surfaces invite curious hands!