Sonofresco Pre-2014 Manuel utilisateur
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Coffee Roaster
Two Pound Model (CR2) Pre-2014
User’s Manual
Model 2100, 2200, 2300, 2400
Coffee Kinetics, LLC.
www.Sonofresco.com
Patent Pending
This Manual Must Be Retained For Future Reference
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WARNING
IF YOU SMELL GAS, TURN OFF THE MANUAL SHUT-OFF VALVE FROM THE PRO-
PANE (LP) OR NATURAL GAS (NG) SUPPLY. DISCONNECT THE ELECTRICAL POW-
ER TO THE APPLIANCE. CALL YOUR LOCAL GAS SERVICE COMPANY TO CHECK
THE GAS CONNECTION TO YOUR APPLIANCE.
This WARNING is to be posted in a prominent location close to the appliance.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS
IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
WARNING
ELECTRICAL GROUNDING INSTRUCTIONS
THIS APPLIANCE IS EQUIPPED WITH A THREE-PRONG (GROUNDING) PLUG FOR
YOUR PROTECTION AGAINST SHOCK HAZARD AND SHOULD BE PLUGGED DI-
RECTLY INTO A PROPERLY GROUNDED THREE-PRONG RECEPTACLE. DO NOT
CUT OR REMOVE THE GROUNDING PRONG FROM THIS PLUG. ELECTRICAL
GROUNDING MUST BE IN ACCORDANCE WITH THE LOCAL CODES OR IN THE AB-
SENCE OF LOCAL CODES WITH THE NATIONAL ELECTRICAL CODE, ANSI/NFPA 70
OR THE CANADIAN ELECRICAL CODE, CSA C22.2 AS APPLICABLE.
WARNING
KEEP THE AREA AROUND THE APPLIANCE FREE AND CLEAR FROM COMBUS-
TIBLE MATERIALS. MINIMUM CLEARANCE TO ADJACENT COMBUSTIBLES
SHALL BE 3 INCHES FROM THE SIDE AND BACK OF THE APPLIANCE.
WARNING
THIS APPLIANCE REQUIRES SUFFICENT AIR FOR COMBUSTION, ROASTING AND
VENTILATION. DO NOT OBSTRUCT THE FLOW OF AIR TO THE BACK VENTILA-
TION PANEL.
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AVERTISSEMENT
UNE INSTALLATION, UN AJUSTEMENT, UNE ALTERATION, UN SERVICE OU UN EN-
TRETIEN NON CONFORME AUX NORMES PEUT CAUSER DES DOMMAGES A LA PRO-
PRIETE DES BLESSURES OU LA MORT. LIREZ ATTENTIVEMENT LES DIRECTIVES
D’INSTALLATION OU L’ENTRETIEN DE CET EQUIPEMENT.
AVERTISSEMENT
DIRECTIVES POUR LA PRISE DE COURANT ÉLECTRIQUE
CET APPAREIL EST MUNI D’UNE FICHE A TROIS BRANCHES (PRISE DE COURANT)
AFIN DE VOUS PROTEGER DES CHOCS ET DOIT ETRE BRANCHE; DIRECTEMENT
DANS UN RECEPTACLE ADEQUAT DE PRISE DE COURANT A TROIS BRANCHES. IL
NE FAUT PAS COUPER OU ENLEVER UNE BRANCHE DE CETTE FICHE.
ANSI Z83.11b-2009 CGA 1.8b-2009 MANAGER SERVICE EQUIPE
DESTINE; A UN USAGE AUTRE QUE DOMESTIQUE
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INSTALLATION OF THIS APPLIANCE MUST CONFORM TO LOCAL CODES. IN THE AB-
SENCE OF LOCAL APPLICABLE CODES IT MUST COMPLY WITH THE NATIONAL FUEL
GAS CODE, ANSI Z223.1, NATIONAL GAS INSTALLATION CODE, CAN/CGA-B149.1, OR
THE PROPANE INSTALLATION CODE, CA/CGA-B149.2, AS APPLICABLE, INCLUDING:
·THE APPLIANCE MUST BE ISOLATED FROM THE GAS SUPPLY SYSTEM WITH
AN INDIVIDUAL MANUAL GAS SHUT-OFF VALVE.
·THE APPLIANCE AND ITS INDIVIDUAL SHUT-OFF VALVE MUST BE DISCON-
NECTED FROM THE GAS SUPPLY SYSTEM DURING ANY PRESSURE TESTING
GAS SUPPLY SYSTEM AT TEST PRESSURES IN EXCESS OF 0.5 PSI. (3.45 kPa).
·THE APPLIANCE MUST BE ISOLATED FROM THE GAS SUPPLY BY CLOSING ITS
INDIVIDUAL MANUAL SHUT-OFF VALVE DURING ANY PRESSURE TESTING OF
THE GAS SUPPLY PIPING SYSTEM AT TEST PRESSURES EQUAL TO OR LESS
THAN 0.5 PSI (3.45 kPa).
INSTALLATION
SOME UNUSUAL CONDITIONS, SUCH AS NOT CLEANING THE CHAFF COLLECTOR
AFTER EACH ROAST, DRASTICALLY OVERFILLING THE ROAST CHAMBER, OR
BLOCKING THE ROASTER VENT, CAN CAUSE A FIRE IN THE ROASTING CHAMBER.
DO NOT LEAVE THE ROASTER TO RUN UNATTENDED. IN THE EVENT OF A FIRE,
TURN OFF THE GAS SUPPLY AND ELECTRIC POWER AND ALLOW THE ROASTER TO
COOL COMPLETELY BEFORE TOUCHING IT.
TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE YOUR
ROASTER TO RAIN OR MOISTURE.
DO NOT REMOVE THE HOUSING COVER FROM THE ROASTER. THERE ARE NO USER
SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSON-
NEL.
THIS IS A GAS FIRED APPLIANCE AND MUST NOT BE VENTED INTO A CLOSED
SPACE. REFER TO THE INSTALLATION PORTION OF THIS MANUAL FOR PROPER
VENTING.
THE GLASS ROASTING CHAMBER AND THE METAL ABOVE THE ROASTING CHAM-
BER CAN CAUSE BURNS IF TOUCHED DURING THE ROASTING CYCLE.
ROASTERS IDENTIFIED FOR USE WITH NATURAL GAS MUST NOT BE RUN ON PRO-
PANE (LP). DOING SO WOULD POSE A SERIOUS POTENTIAL FIRE HAZARD. BE SURE
THAT YOU DO NOT USE A GAS OTHER THAN THE ONE SPECIFIED ON THE NAME-
PLATE OF YOUR ROASTER.
OPERATION
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ROASTER MANUAL
Roasting with Sonofresco Commercial Coffee Roaster allows you to offer a high quality product and
display a truly unique feature to your customers. The Sonofresco roaster is an automatic hot air roaster
designed to evenly heat coffee beans in a roasting chamber, monitor the roasting process, roast to a de-
sired “roast level”, and cool the roasted coffee beans all in a seventeen to twenty minute cycle, depend-
ing on the degree of darkness of the roasted coffee. Although the roaster is automatic, there are proce-
dures involved for proper operation and maintenance. Every user must learn how to correctly operate
and maintain the coffee roaster to ensure consistent roasting results.
The information in this manual will prepare you to operate and maintain the coffee roaster and is cov-
ered in the following sections:
TABLE OF CONTENT
Page
1. Introduction 6
2. Installation and Accessories 7
3. Green Coffee 10
4. Things to Remember 10
5. Filling The Roaster and Component Assembly 12
6. Control Board Functions 14
7. The Roasting Process 16
8. Coffee Basics 17
9. Preparing for the Next Roast 18
10. Detailed Chaff Screen Cleaning 20
11. Roast Chamber Maintenance 19
12. Daily Maintenance 23
13. Error Codes and Troubleshooting 26
14. Troubleshooting 23
15. Hints and Tips 27
16. Warranty Information 29
17. Return Policy 30
18. Specifications 31
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Welcome to the world of truly fresh coffee. With your Sonofresco coffee roaster, truly fresh roasted
coffee will soon be a regular part of your life. The Sonofresco Coffee Roaster will dramatically demon-
strate your commitment to freshness and quality of your end product. Your customers will soon experi-
ence the freshest coffee they have ever tasted.
We are excited about bringing the producers and consumers of roasted coffee closer together, and
restoring the idea of coffee as a locally roasted, and impeccably fresh product.
Depending on the degree of darkness of the roasted coffee and the type of green coffee bean, it should
take between seventeen and twenty minutes to roast and cool two pounds of coffee. In a ten hour day,
you can easily roast fifty five to sixty pounds of high quality coffee with just one of Sonofresco Coffee
Roaster. (Allow the coffee to sit for 48 to 72 hours before grinding and brewing, to allow the flavor to
fully develop.)
Three important points to keep in mind:
1. Roasted coffee loses its freshly roasted flavor in about a week, so it is very important to
keep track of the age of your roasted coffee. If you are going to sell whole bean coffee, put
the “date roasted” right on the bag! Sell it or brew it within a few days of roasting, and the
flavor will be genuinely memorable.
2. Always use top quality coffee. You will get better roast consistency, produce less smoke,
and get much better flavor out of clean, well-graded, specialty coffees. The difference in
price between top quality specialty green coffee and lower quality coffee is definitely not
worth the disappointment. Please contact Sonofresco for help in selecting the perfect green
coffee bean.
3. Great fresh roasted coffee can be ruined by poor grinding and brewing. Our representatives
will be glad to help if you have questions about your brewing equipment or practices.
1. Introduction
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2. Installation and Accessories
Before installing the coffee roaster, unpack the appliance and read the installation and operation manual.
Locations For your Roaster - Basic Requirements We believe the roaster will prove most valuable to
your business if its located where your customers can see it in operation. You may or may not be able to
do that, but there are a few essential requirements for the installation of the roaster.
A. The roaster is not water resistant and should be protected from moisture and wind.
B. The roaster must be installed not less than three inches from combustibles. The back panel
must be free of obstructions to allow for adequate air flow
C. The roaster must be vented to the outside if installed indoors. See the section on venting op-
tions.
D. It must be reasonably level to operate properly.
E. If you are at an altitude at or above 4500’ please let us know, some adjustments may be
needed to allow the roaster to operate properly at altitudes above 4500’.
Fuel Supply:
The gas supply should be installed, adjusted, and tested by a qualified gas installer.
Propane (L.P.): The LP connection on the back of the roaster is a standard 3/8 inch male flare fitting.
(It is not necessary to use pipe sealant or tape on the flare fitting threads; doing so may cause a
leak.) The roaster is supplied with a regulator/hose assembly for connection to a standard barbeque size
propane bottle with a manual shut-off valve. If connecting to a large residential size tank, the supplied
propane regulator will not be needed, but the propane supply pressure to the roaster must be adjusted to
a minimum of 11 inches water column for the roaster to work properly. A manual gas shut-off valve
must be installed at the roaster. If you are using a propane roaster indoors, you must comply with any
local codes for installing, plumbing, and venting a propane appliance.
DO NOT INSTALL THE PROPANE BOTTLE INDOORS; THE BOTTLE MUST BE IN-
STALLED OUTSIDE ACCORDING TO LOCAL CODES.
Natural Gas (N.G.): The natural gas roaster is supplied with a ½ inch male NPT fitting for connection
to a natural gas supply. Installation and connection to a natural gas line must comply with any local
codes. The natural gas supply pressure should be adjusted to a minimum of 7 inches water column flow-
ing, or operating pressure, for the roaster to work properly. A manual gas shut-off valve must be in-
stalled at the roaster.
Electric Power: The roaster must be plugged into a properly wired, grounded, three prong outlet. The
roaster only draws 3 amps at 120 volts ac and will not need a dedicated circuit (Note: In some commer-
cial applications a dedicated circuit may be needed if large or multiple commercial appliances are on the
same circuit. These types appliances may cause electrical noise that can cause problems with the elec-
tronic control.) Do not operate a 120 volt 60Hz appliance on 240 volts 50Hz and vice versa.
Any electrical work should be done by a qualified electrician.
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Venting: The roaster must be vented to the outside when used indoors to prevent the accumulation of
emissions within the dwelling. Venting options include placing the roaster under an existing exhaust
hood such as in a commercial kitchen, venting directly into a steel vent pipe, or the Sonofresco vent
hood. We recommend the dedicated vent hood shown in Figure 1. The vent hood will allow the roaster
to be vented greater distances and will eliminate the possibility of back pressure and wind affecting the
roaster associated with direct venting.
Direct Venting
Direct venting is a means of venting the coffee roaster through a ridged vent pipe system to the outside.
The Sonofresco direct vent kit is supplied with everything needed for a basic installation.
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VENT HOOD
A vent hood can be ordered from Sonofresco and provides many advantages. First, since
it is a powered vent, the exhaust can be vented at greater distances without the risk of back-
pressure into the roaster. Second, the exhaust can be tied into existing ducting without back-
pressure issues, and third, strong wind pressure against the outside vent will not pose a problem to
the roaster. The Sonofresco Vent Hood also incorporates a halogen light aimed at the roast cham-
ber, to highlight the roasting process. The basic hood installation is shown below.
Please contact Sonofresco for more details on venting the coffee roaster with a vent hood.
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3. Green Coffee
It is important to know that not all green coffees are equal. While most green coffee will roast well in
your roaster, some poorly processed coffees will not. Sonofresco maintains a good variety of excellent
specialty green coffees that have been tested for suitability for our roaster. Please contact us for more
information,.
The roaster is designed to roast normally processed (washed or dry-process) coffees, which produce a
certain amount of chaff towards the end of the roasting cycle. Decaffeinated coffees, which have no
chaff, should roast fine in the roaster. But, If you are having problems roasting decaffeinated coffees,
contact us and we will help guide you in the right direction.
4. Things To Remember
The coffee roaster has been designed to be simple to operate, but before you start, you must
understand some basic principles of operation.
Do not use the power button to stop a roast. If a roast appears to be going too dark,
just turn off the “Gas” switch, located on the control board, and the roaster will begin its normal
cooling cycle. Turning off the “power” switch will prevent the beans from cooling, and will
begin to smolder and generate smoke. Always allow the roasted beans to cool before remov-
ing from the roaster.
Always use the measuring can supplied with the roaster. Fill two cans, level to the
top, with green beans . Two full cans contains approximately 2.8 pounds of green coffee and
will yield approximately 2.4 pounds of coffee roasted on a #5 setting. Do not overfill, under
fill, or use a can other than the one supplied with the roaster. Doing so will cause incon-
sistent results and loss of coffee. Please contact customer service for a replacement can if lost.
Keep the roaster clean. Refer to the Roaster Maintenance section for proper cleaning proce-
dures. It is important to maintain the roaster to keep it operating at its best.
Do not leave the roaster to run completely unattended. As with any appliance, unusual con-
ditions such as a power outage, blocked vent, or failure to properly maintain the roaster can
cause coffee to smolder and generate smoke in the roast chamber. It is good practice to be with-
in earshot of the roaster when in operation so you can respond if any of these conditions should
occur.
Be careful not to chip or scratch the glass roasting chamber. The roasting chamber
is made of very high quality ceramic glass which is capable of handling thermal stress greater
than that produced by the roaster. The glass will not however handle thermal
cycles after being damaged due to impact or abrasion. The roasting chamber must be
handled with care at all times. Sonofresco will not be held liable for breakage.
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