27
Pro Tip:
Signicantly exceeding this operating range will result in excessive steam, high energy usage,
unexpected emergency machine shutdown due to safety valve activation and possibly premature
machine failure. Setting the temperature too low will resulting poor coffee extraction, slow
group boiler heating, and low/no steam.
Boiler pressure is directly controlled by water temperature. The steam boiler’s optimal temperature
operating range is from 116-120
o
C for milk steaming and brewing results. (The factory default
temperature setting is 119
o
C.)
Relationship between boiler pressure and temperature
Optimal operating pressure and temperature
0.7
110
115
120
125
0.8 0.9 1 1.1 1.2
o
C
BAR
INSTALLATION AND START UP
Boiler pressure and temperature information
Machine handling tips
Do not place wet cups directly on the cup
shelf. Always thoroughly dry any cups before
storing them on the warming shelf.
WARNING!
Allowing water to drip into the
machine can cause mechanical and
electrical damage.
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