imex Digitprosto PRO2500 User manual

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DIGIROSTO
PRO 2500 OWNER’S MANUAL
IMEX CORPRATION LTD.

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Dear Customers.
Thank you very much for purchasing of coffee roaster DIGIROSTO PRO25
which is adapted totally new idea and new technology you have never
experienced.
Since 1999 when we started manufacturing of new technology coffee roaster,
we have continued research & development with all our strength. Now we are
manufacturing 4th and 5th generation coffee roaster adapted high IT technology
that is analyzed 1 years traditional roasting technology, and we expect
PRO25 digital coffee roaster to lead coffee roasting technology.
Even though PRO25 is adapted advanced high-technology, PRO25 is
designed so that anybody can roast green beans simply just by mastering this
user manual. Just read this user manual before you roast, and then you can roast
gourmet coffee beans without prior skills and experiences.
We recommend you use a machine according to the direction in this manual to
use a machine safely for a long time.
To keep a superior performance and to operate a machine accurately, please
follow an installation method and keep machine’s condition in this manual.
We are doing our best so that all our customers are satisfied with our machines.
Thank you for your support and purchase again.
IMEX CORPORATION LTD.
Quality Control Team
www.digirosto.com
<Technologies of IMEX are patented both in Korea and the U.S.A.>

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Important Safeguards
1. Read all instructions carefully before use of PRO2500.
2. Do not touch top side of machine around smoke eliminator) and
air outlet cooling table’s right top side) as they get very hot
during roasting.
3. Be careful when you take out chaff drawer and clean up right after roasting as
chaff drawer and knob may be very hot.
4. While a machine is operated, please run a fan or change the room air.
5. If the temperature around machine is over 35C, there’s might be operating
error. Secure more than 5 cm space at least around the machine so that
auto-cooling is smooth.
6. Keep water tank clean, and fill water more than 1/3. Use purified drinking
water only.
7. Before starting work, preheat a drum for auto cleaning and roasting.
8. Do not use wet duster around monitor.
9. Do not operate a machine more than 3 times continuously. After 1 hour’s rest,
machine can be operated again.
<Keep this user manual near a machine.>

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TABLE OF CONTENTS
1. Installation ----------------------------------------------------- 5 page
2. Check points --------------------------------------------------- 6 page
3. Description of the RO 2500 ----------------------------- 7 page
4. Functions ------------------------------------------------------- 8 page
5. How to Roasting
(1) New Setting ---------------------------------------------- 12 page
(2) re Setting ----------------------------------------------- 18 page
6. Trouble Shooting
(1) Online Trouble Shooting ------------------------------ 22 page
(2) Manual Trouble Shooting ----------------------------- 23 page
7. Management
(1) Bean Report --------------------------------------------- 25 page
(2) Daily Report --------------------------------------------- 26 page
(3) Download Mode ----------------------------------------- 27 page
(4) Time Set -------------------------------------------------- 28 page
8. Q & A ------------------------------------------------------------ 29 page

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1. Notice for Installation
Electrical Circuit
1) Please confirm voltage AC22 V or 385V, phase (single or Ø3 or 4 wire) and Hz
(5 Hz or 6 Hz).
2) For power line, use 5.5m/m2 if the machine is in 5~1 m and 8. m/m2 above 1 m
from cabinet panel. (5.5m/㎡ can be used for AC385V in 15m)
3) Distribution switch should be 4 A circuit breaker switch, and .its voltage leakage
switch should not be under 5W.
4) Please connect earth wire with a machine without fail.
5) If voltage difference is more than 6V between initial and operating, check power
line connection and switch.
Location of Installation
1) Secure more than 5 cm space at least around the machine.
2) Furnish with a fan in 1~2m around machine.
About 3 cmX3 cm fan on ceiling or top side of wall is ideal.
3) Be careful not to splash water around a machine in 1m.
4) Do not use gas around a machine in 1 meter.
5) The machine can be used connected with personal computer. In this case, set the
machine in communication mode with blue tooth antenna. - Blue Tooth Antenna is
for separate purchase. Maximum distance between computer and blue tooth is about
5 m (4~5 floors’ distance).
6) Install a machine where the room temperature is around 25℃ and air circulation is
smooth.
Installation
1) Locate a machine where you want and fix it adjusting wheel on machine’s bottom.
Keep machine horizontally using horizontal gauze if possible.
2) Confirm ‘electric source line’, ‘neutral line’ and ‘earth wire’ correctly before
connecting a machine with cable breaker that should be 5 A and with no leakage
breaker.

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2. Check points
1. For the first Roast
Fill up water tank with purified water, and press fire-extinguishing button around 15
seconds, and then check water spread in the chaff drawer.
2. Check points before Roasting
1) Check if there is enough water in water tank.
2) Check if water quenching switch is on.
3) Check if water hose is full with water.
Or pump up by pressing fire extinguishing button.
4) Check if there are remained coffee beans in a drum.
5) Check if a chaff drawer is cleaned and both locking knobs are tight to clockwise till
18 degrees of angle.
6) Check if bean peel or bean fragments are remained in cooling outlet.
3. Regular Check Points and Cleaning
1) Chaff Drawer Cleaning : After every roasting, clean chaff drawer and inside of
chaff drawer located place after taking out a chaff drawer.
(Vacuum cleaning is recommended)
2) Check and clean filtering net which is located left bottom of cooling table.
3) Check water in water tank, and keep water more than half of tank. Use purified
drinking water only.
4) Check operating of water pump and water spray by pressing fire extinguishing
switch after replenishment of water.
5) Check battery (12V+2) every month.
6) Cooling exhaust wire mesh cover should be cleaned everyday.
7) Check Charcoal in Charcoal Filter Tray once in 6 months, and replace them if it is
needed.

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3. Description of the PRO 2500
GREEN BEAN
IN CHUTE
SMOKE ELIMINATOR
LCD MONITOR
BLUETOOTH ANTENNA
MAIN SWITCH
SCANNER PORT
RS232
CONTROL SWITCH
COOLING EXHAUST
FIRE EXTINGUISHING
BUTTON
ROASTED BEAN
OUT CHUTE
WATER QUENCHING SWITCH

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4. Function
▲ Roasting Mode
1) SCAN MODE
When scanning a barcode with a scanner or inputting barcode manually,
SCAN MODE is used. The roaster is enabled to recognize the bean’s data for
roasting by reading a barcode, and this mode is mainly useful for Franchise
Business.
1) Press he SCAN MODE bu on on he
MAIN MENU.
2) Scan he barcode ha s icks on he
pack of he green bean by using a
scanner. O herwise manual barcode’s
inpu is available. Af er ouching he
barcode, namely “Touch-Screen”, press
he ENTER bu on.
If pressing a wrong barcode number,
dele e i by using he bu on.
`
NOTE: To urn back o previous process
from he presen one, press he
bu on.

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2) AUTO MODE
1) PRE SETTING: Prese Roas ing
Da a.User can use already se
roas ing da a by selec ing one
program ha is s ored each bean’s
da a. (When he roas er is fac ory
ou , kinds of bean’s da a s ored
ini ially. Basic da a is Cos a Rica,
3Kg, MEDIUM, MEDIUM).
2) NEW SETTING: User can crea e
new roas ing da a, and hen i can
be saved in o he program for nex
use.
▲ MANAGEMENT & SETTING
Self-Diagnos ic of a faul on he machine or seeking i hrough ne work connec ion
wi h he main compu er of he head office.
There are five modes in he
MANAGEMENT as below.
1) ONLINE TROUBLE SHOOTING:
Finding a faul by he In erne connec ion
be ween he roas er and he main
compu er of he head office.
2) MANUAL TROUBLE SHOOTING:
User’s direc checking of a faul on he
main componen s such as Hea er, Mo or,
Solenoid e c.
3) REPORTING REPORT: Display of he
Green Bean’s da a ha he user has
roas ed, he roas ing number and he
beans weigh up o presen .
4) AGING CHECK: Checking wa er
quenching func ion af er roas ing.
5) DOWNLOAD MODE: On-
line program’s
upgrade is suppor ed by connec ing o he
main compu er of he head office.

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▲ PREHEAT, COOLING, BEAN OUT
1) PREHEAT
PREHEAT is used for he s a us of wai ing in case no of immedia e con inuous roas ing.
This makes he ime shor er o be ready o roas again.
2) COOLING
This is used for Cooling he roas ed beans.
1) Press he COOLING bu on on he
MAIN MENU.
2) The Cooling fan of he Cooling Table
begins o work and he Bean Brushes
ins alled inside makes he roas ed
beans cool by heir ro a ion.
1) Press he PREHEAT bu on on he
MAIN MENU.
2) While Prehea ing, he inside
empera ure of he Drum keeps 150°C.