DALIAN AMAZON COFFEE DL-A721-S User manual

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DALIAN AMAZON COFFEE CO.,LTD
OWNERS MANUAL
1KG COFFEE ROASTER
ROASTERS DL-A721-S
PLEASE READ THE MANUAL CAREFULLY BEFORE OPERATION
★THANKS FOR YOUR CHOICE OF OUR MACHINERY
★PLEASE READ THE MANUAL CAREFULLY BEFORE OPERATION
★IF YOU HAVE ANY QUESTION WELCOME TO INQUIRE US

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1 KG COFFEE ROASTER
ITEMS
I - Features
II - Technical Parameter
III -11Roasting Operation
IV - Safety Notice
V - Control Panel
VI - Daily maintenance

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I,-Features.
Roaster DL-A721-S is a 1KG electric coffee roaster with advance technologies,
commercially built, elegant designed and ease of operation.
Comply with most food and health safety regulations. The drum is made with stainless
steel for even heating. The drum also rapid heats and rapid cools for optimal roasting
control.
1. Accurate temperature sensor with clear display.
2. Efficient cooling fan. Roast continuously.
3. Hot heat blast for fast roasting. Glass peep hole for monitoring.
4. Elegantly designed. Roaster has base with screw on rubber dampers for anchoring.
5. Small volume. Advanced electric heating mode.
6. Shell made with 304 stainless steel plate. No rust or oxidation.
7. Cooling tray with mixer arms.
8. Low noise during roasting. Smoke will be generated through exhausts hole, which can be
connected with metal pipe then pass to water for cooling and smoke abatement.
Perfect for home roasters and small retail environment.
9.Unique cooling system with protection device for electric shortage and intelligent circuit
control panel. Fast cooling within three minutes.
10.The roasting and cooling are separate. Perfect for continuous operation.
11.Use minimal space. Ideal for coffee shops, homes, and small roasting factories.
12.Advanced design. Roasted beans can compare to those roasted by large-scale professional
automated models. Ideal for beginners and even seasoned roasting professionals.

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II,- Technique Parameters.
Model DL-A721-S
Batch Capacity 1 Kg green coffee
Roasting Time 20Minutes -- 30 Minutes.
Dimension(L*W*H) 700*550*800cm
Machine Package size(L*W*H) 860*670*780mm
Net Weight / Gross Weight 50kg/70kg
Voltage 110-220 Volts, 50-60Hz, 1-3 Phase are available
Type of Fuel Electric Heating
Number of Motors 3 motors
Drum speed 80 revolution/ min
Temperature range 0-350 Celsius
Heating power 2KW
Total power 2.135kw
Color Black,Red

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III,-Roasting Operation
1. No more than 1KG coffee bean is weighted and poured into the hopper for roasting!
2. Plug in the power supply, and press the button in the ON(1) state.
Then press the button and pulley light will turn on. Press the button and heating
light will turn on. The roaster will start warming up.
3. During the roasting process, cooling air is completely closed.
4. When the temperature reaches to 170 Celsius, pour green coffee bean and start roasting.
After three minutes, pull open the smoke damper completely, and close it after three seconds to
release chaff from beans.
5. Continue to roast for five minutes and start sampling to observe color of coffee bean. After
that, every few minutes observe the color, and adjust smoke damper to eject smoke and
release chaff. Roasting temperature can be adjusted by opening and closing of smoke damper.
6. When hear the 2nd crack companied with a lot of smoke produced, observe the color of the
bean with sampling puller, if the beans meet the requirements, shutdown the main power, and
open smoke damper totally.
7. Before let out the roasted beans, press the button for the cooling fan, open the cooling air
door and close the smoke damper. And then open the door and let the roasted beans out to the
cooling tray.
8. If you want to power off the machine after finished the roasting, wait until the temperature
lower to70, because the smoke exhaust fan still needs to work for some time.
9. Chaff collection box should be cleaned immediately every time after finished roasting so as
not to clog the filter mash.
10. During roasting, make sure the smoke ejection and cooling air flue are unblocked.
11. Equipped with a temperature gage to monitor the temperature of the drum.

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IV-Safety notice
1. Electric elements for installment: connect to 110 or 220V single phase with ground wire
supply, and 16A power switch. (Do not turn on roaster without connection to the ground wire
power)
2. Before releasing the beans out of the drum, must always remember to turn on the cooling fan
and close the smoke damper so as not to cause damage and deformation of stainless sieve
plate of the cooling tray.
3. Because the roasted beans come out at very high temperature, remember to start stirring
blades of the cooling plate and open the cooling air duct. Do not to use water to cool down the
beans if the beans are burning. Only close the smoke damper and open the cooling air duct,
immediately to cool down the temperature.
4. During cooling process, do not put hand into the cooling tray so as not to cause any injury.
5. During roasting process, do not put your hands into the rotating drum so as not to cause any
injury.
6. During roasting process, the stainless steel external surface is HOT!!! DO NOT TOUCH OR
CLEAN WHILE ROASTER IS HOT TO AVOID SCALDING!!!
7. The roaster is equipped with electric leakage device or circuit breaker. Please check the
electric leakage device or circuit breaker if no power is supplied to the roaster when plug in.
8. Please stop using the roaster when the cooling motor is vibrating. Turn off the main power,
disassemble the cooling motor, clean the blades with water and reinstall again. The problem
should be solved. If not, please contact us for support.
Temperature gage for drum
The temperature control Panel for exhaust smoke temperature

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V,- Control panel
1. Front view
VI,-Daily maintenance
Maintenance for the cooling fan and exhaust flute once a month. Discharge the connecting
pipes, clear the unctuous sediment the fan leaves. If not clear completely, the balance of fan will
be affected. And clear the sediment in the pipe.
Clear the chaff drawer regularly. There will be a lot of sediments of chaff and ash of coffee in the
chaff collector. It is dangerous for causing fire, so it should be taken out and cleaned daily.
Clear the bottom of the cooling box. There will be some coffee bean residue in the bottom of the
cooling box. It is also dangerous for causing fire. Clean regularly.
Roasters DL-A721-S
Please contact Dalian Amazon Coffee Co.,Ltd with questions and inquiries regarding coffee
roasters and other coffee accessories.
Ms. Ella Wang , General Manager, email: ella @amazoncoffee.com.cn,
Tel: [phone] Fax:[phone] Website: www.amazoncoffee.com.cn