S1 Owner’s Manual
Page 19
to 12 bar all dripping should stop - though it may take a minute or two for residual
moisture to drip out.
5. Once you are convinced that the expansion valve is properly calibrated, readjust the
rotary pump pressure by unscrewing "B" to reach your preferred pressure - normally
in the range of 8.2 to 9.0 bar. Then tighten lock nut "A".
Notes:
1) Make small adjustments, then turn the pump on and check. Don't attempt any of
these adjustments while the pump is on.
2) The copper tube denoted by the letter "D" exits the flow gauge here and then
attaches to the top of the Expansion valve.
3) The term expansion valve is somewhat of a misnomer as this device is really the
overpressure valve for the group boiler. The steam boiler has its own dedicated valve.
8
Other LaSpaziale S1 Resources
In addition to your S1 supplier, current users are an excellent information resource:
Check out these internet sites:
Alt.coffee
: Many S1 users check in and contribute to this Usenet group. You can also
“Google” the alt.coffee archives for answers to S1 or virtually any other coffee related
question.
http://www.coffeegeek.com
- Here you will find lively debate on all things coffee and S1
information, including reviews by owners.
http://s1.rimpo.org
– one owner’s website devoted solely to the S1
http://www.rimpo.org/wforum/
- an on-line forum for S1 users to share information and
ask questions.
