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© Rocket Espresso Ltd. IT05846260965.Espresso machine mod. R 58. User manual Ed. 03.2012. Subject to change without notice # 19
Rocket Espresso measure the boiler temperature and display the boiler
temperature.
PID displayed boiler temperature Group temperature measured (*)
using SCASE (**)
102 °C 215.6 °F 89,8 °C 192.2 °F
103 °C 217.4 °F 90,8 °C 194.0 °F
104 °C 219.2 °F 91,7 °C 195.8 °F
105 °C 221.0 °F 92,0 °C 197.6 °F
106 °C 222.8 °F 93,5 °C 199.4 °C
107 °C 224.6 °F 94,6 °C 201.2 °F
108 °C 226.4 °F 95,3 °C 203.0 °F
109 °C 228.2 °F 96,2 °C 204.8 °F
(*) Ambient temperature: 19°C (66.2 °F)
(**) The “SCASE” Thermofilter elevates the art of espresso by employing applied
measurement science. Very convenient brew temperature measurements are now possible
through use of the Thermofilter. The results of these measurements enhance machine
optimization for specific coffee blends, enable individual coffee shops to establish
enhanced quality control procedures for their machinery, and increase knowledge of the
thermal behaviour of espresso machines. This knowledge is immediately useful in
compensating for intermittent duty machine behaviour. The Thermofilter enables
performance comparisons of different espresso machines and technologies by use of
systematic testing protocols. Accurate temperature studies will result in new machines
with enhanced tuneability and stability that produce better taste than ever before. The
Holy Grail of temperature devices? Well, let’s just say, that this is the state of the art of
something big. How big? Nobody knows for sure. However new machines coming to the
market are being evaluated with this device, and the current World Barista Championship
(WBC) and United States Barista Competition (USBC) technical standards teams all use
this device to test and evaluate the machines used in competitions.
Alarm messages
The microprocessor controls the main functions of the machine as i.e. the water level
controls (water reservoir, service boiler and coffee water brewing boiler) and the
proper function of the temperatures probes inside the service and coffee water boiler.
Alarm messages can be read out on the display connecting the setting device to the
machine. If the device is not connected, please note that some alarm information is
given by flashing of the control light (Fig. A/13).
2 times flashing: There may be a problem with the service boiler temperature probe.
3 times flashing: There may be a problem with the coffee water boiler temperature
probe.
In both cases turn the machine off and then on again. If this doesn’t solve the
problem please contact the authorized Rocket Espresso Ltd. technical service.
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