Starting-Up; Filling The Boilers; Steam Boiler; Internal Boilers - Unic Mira Technical Note

6. STARTING-UP



Filling the boilers

Turn on the shutoff valve.
Plug in the machine.
Set the charge switch to Position 1. (Do not set the charge switch to
Position 2 until the boiler has been filled).
 Steam boiler
- As soon as the machine is turned on, the filling takes place automatically.
A safety is programmed, if the filling does not occur before 3 minutes. In this special case, the
electrovalve and the pump are cut off.
The light blinks.
- Check the hydraulic connection of the machine.
- Switch off and switch on the machine by setting the charge switch to Position 0 then to position 1.
- The filling starts again and lasts 3 minutes.
 Internal boilers
- With the filter holder in place, press the continuous/stop
As soon as the water flows correctly from the spout (with no air), press the same key again to stop
the water.


Heating

When the boilers have been filled, set the charge switch to Position 2.
When the operating temperature of the machine is reached, the pressure-gauge must indicate a
pressure of 0.9 to 1 bar (red scale).
It is better to keep the machine switched on permanently and the filter-holders inserted in
machine even when you are not making coffees.
ON/OFF SWITCH
key of each unit.
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