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Hottop KN-8828B-2 Owner's Manual

Coffee roaster
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Owner's Manual
This manual covers models
Manufactured by Chang Yue Industrial Corp.®
No. 170, Chung Lun, Chung Sha Tsun, An Ding Shian
Tainan, Taiwan
Tel: 886-6-593-2311 Fax: 886-6-593-4834
www.hottop.com.tw
Email: hottop@ms12.hinet.net
Information contained herein subject to change without notice
COFFEE
ROASTER
KN-8828B-2 and KN-8828P-2
REV. BP-2 v. 1.1 December 2010
Hottop USA
25 Katelan Court
Cranston, Rhode Island 02921
Fax: (401) 946-0268
www.hottopusa.com
Email: hottop@hottopusa.com

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Summary of Contents for Hottop KN-8828B-2

  • Page 1 ROASTER Owner’s Manual KN-8828B-2 and KN-8828P-2 This manual covers models REV. BP-2 v. 1.1 December 2010 Manufactured by Chang Yue Industrial Corp.® Hottop USA No. 170, Chung Lun, Chung Sha Tsun, An Ding Shian 25 Katelan Court Tainan, Taiwan Cranston, Rhode Island 02921...
  • Page 2 READ THIS ENTIRE MANUAL before using this appliance. WARNING! This device is capable of high temperatures. If used without due caution it can constitute a safety hazard. The outer surface will become hot enough to cause very serious burns and the bean roaster has the potential to ignite flammable materials on, in, or near the roaster.

  • Page 3: Table Of Contents

    The remainder of this manual’s contents pertains to all models except where noted in the text. All information in this manual is ©2007-2010 Chang Yue Industrial Corp.® and Hottop USA. No portion of this manual may be reproduced without the expressed written permission of Chang Yue Industrial Corp.®.

  • Page 4: I - Important Safety Precautions

    I - IMPORTANT SAFETY PRECAUTIONS When using this electrical appliance, these safety precautions must always be followed: SAVE THESE INSTRUCTIONS in a safe place and REFER TO THEM OFTEN : Read and Understand All Instructions, Precautions, Labels WARNING and Warnings BEFORE Using This Coffee Roaster! Keep these instructions for future reference and be sure anyone operating the machine reads and understands them before allowing them to use the Coffee Roaster.
  • Page 5 • Always leave at least eight inches of space around the Coffee Roaster on all sides for proper ventilation when operating and until it has cooled. Keep the machine away from flammable materials such as curtains, towels, walls, furniture, or any other materials Place on a heat-resistant surface when in use. Do not operate near combustible materials or liquids, nor near any pressurized spray cans.
  • Page 7 This diagram represents most of the parts that are designed to be removed by the consumer for basic maintenance with the exception of the Heat-Guard Grills. (see bottom of page 6 for heat-guard grill instructions) 1 - Rear Filter 2 - Bean Insertion Chute Cover 3 - Cooling Tray 4 - Chaff Tray 5 - Gold Knob...

  • Page 8: Emergency Bean Ejection

    II - EMERGENCY MANUAL BEAN EJECT SYSTEM IMPORTANT: The Emergency Eject mechanism is de- emergency situations only signed to be used in as de- scribed below. In normal operation the user should press the “EJECT” button on the control panel to get the beans out of the roasting drum and into the cooling tray.

  • Page 9: Iii - Coffee Roasting- A Brief History

    III - Coffee Roasting- A Brief History It wasn’t that long ago that it was common for people to buy raw coffee beans from local stores and then roast these at home for fresh coffee. That was particularly true in rural areas that were removed from the small roasters found in larger city neighborhoods.

  • Page 10: Iv - Introduction To The Roasting Process

    IV - Introduction to the Roasting Process The changes that the coffee bean goes through during the roasting process are amazing. Those small, hard beans, when properly exposed to controlled heat, grow in size and change in color, becoming the source of one of the world’s most cherished beverages.

  • Page 11: Timing Of The Cracks

    • The voltage in your home (it can vary as much as 12-15 volts from place to place) On page 19, “Getting the Most From Your KN-8828B-2,” you will find a graph which represents a roast. Reminding you again that your times will most likely vary, the graph will give you some idea as to when certain events occur whether roasting with the KN-8828B-2 or the KN-8828P-2.

  • Page 12: Basic Operation Of The Hottop Coffee Roaster

    CAUTION: Before beginning your first roast, please read and understand the section of this manual dealing specifically with your roaster: Page 14 for the KN-8828B-2 Page 22 for the KN-8828P-2 Basic Operation of the Hottop Coffee Roasters The Hottop‘s default programmed roasting process consists of three distinct stages which are con-...

  • Page 13: Coffee Roasting Color Chart

    VI - Coffee Roasting Color Samples 1 -These are “green,” raw coffee beans before adding them to the roast- er. When looking at green beans you can get an idea as to their quality by the consistency of size and color of the beans. If at all, there should be very few beans that look dark, mottled, or have other defects like insect damage.

  • Page 14: Model Kn-8828B-2

    NOTE: The display components vary depending on which mode is in use. Only functions that are currently available will be illuminated. When first plugging the KN-8828B-2 roaster into an outlet the user is given the choice of whether to enter “Auto” or “Manual” mode.

  • Page 15: Control Functions

    To the right of the display are five buttons that control KN-8828B-2 (buttons do not illuminate). During the roasting process you can change any of these four parameters. These changes are tempo- rarily memorized by the roaster as you make them. Together, this set of adjustments and changes is called a “Profile.”...

  • Page 16: Range Of Control Adjustments

    Chevron up and down arrows. At any point in the roast, if the time display reaches 00:00 the KN-8828B-2 will automatically eject the beans. When the display is not encircled (above right) the display will still show the amount of time remaining in the current roast.

  • Page 17: Auto Mode

    WARNING: Never leave the roaster unattended during a roast! The KN-8828B-2 gives the user the option to easily and quickly roast using an automatic mode. The “Auto” mode supplies a roasting curve that can begin with as few as three presses of a single button. It can be modified to run for a programmed amount of time or a programed temperature and will automati-...

  • Page 18: Storing (Saving) A Roast Profile

    When the roast has completed and the cooling cycle is done, if you like the way the roast turned out and wish to repeat this roast at any time in the future, you may save it. The KN-8828B-2 offers three, non- volatile memory areas in which to store Profiles.

  • Page 19: Getting The Moist From Your Kn-8828B-2

    Getting the Most From Your KN-8828B-2 The KN-8828B-2 allows the user to adjust the power of the heating element as well as the speed of the fan throughout the roast. This section is designed to show you how to use this control to more precisely tailor the roast.
  • Page 20 Keeping the display temperature rising slowly during the drying phase will assure that the beans are safe. As you get more experienced in use of the controls of the KN-8828B-2 you will be able to more precisely control the temperature.
  • Page 21 brown element has been turned down, and the graph’s line, indicating the environmental temperature, has leveled off ( ), the bean temperature is still rising! Just as you are entering first crack ( ), indicated by purple box, there is a chemical reaction going on in the beans called the Maillard Reaction. Chemi- cal changes in the beans are actually creating heat- the beans are becoming exothermic.

  • Page 22: Model Kn-8828P-2

    VIII - Model KN-8828P-2 Programmable Roaster with LCD Display The KN-8828P-2 is a programmable roaster with many advanced fea- tures giving the user a lot of control over the roasting profile. It allows an easy, automatic mode that takes little user input to start. In addition to the Automatic mode, the KN-8828P-2 also gives the user the ability to create their own roasting profiles, thus modifying the roasting process to suit their tastes.

  • Page 23: Active Buttons Illuminated

    ACTIVE BUTTONS ILLUMINATED You will notice that in any given state of operation some of the buttons on the Control Panel are not illuminated. The advanced programming of the KN-8828P-2 assists the user by illuminating only those buttons which are currently active. For example, when you have added six “Pluses” during the roast you have reached the maximum number available and at that point the “+”...

  • Page 24: Auto Mode

    Hottop Coffee Roaster KN-8828P-2 AUTO Mode WARNING : Read and understand this owner’s manual and all the safety precautions before following these step-by-step instructions! WARNING: Never leave the roaster unattended during a roast! The KN-8828P-2 gives the user the option to roast using an automatic mode that operates much like the earlier versions of our roaster.
  • Page 25 In the display’s Message Center you will now see “Preheat.” The roaster is coming up to temperature. The amount of time this process takes varies. When it is time to add the beans, the machine will beep and the Mes- sage Center will show the “Add Beans”...

  • Page 26: Manual Mode - Roasting With Programs

    Hottop Coffee Roaster KN-8828P-2 MANUAL Mode Roasting with Programs WARNING : Read and understand the owner’s manual and all the safety precautions, before using the manual Mode of the KN-8828P-2! “Manual Mode” allows the user to control the roaster to create a roasting profile that they prefer.

  • Page 27: Segment Temperature

    SEGMENT TEMPERATURE The temperature range for each segment which is available for programming varies, from lowest in the early segments to highest in later segments. This is reflected in the “stair step” appearance of the temperature bars in the LCD display. During the roast, each segment dynamically displays its progress of the temperature: The upper portion of each Segment display where the black bars are located represents the range of programmed temperature this way:...

  • Page 28: Selecting A Program

    SELECTING A KN-8828P-2 PROGRAM Before you can begin roasting with a Program you must select which Program to use. For your first roast we suggest trying “Program 0” which is the factory default Program. This will help you understand how Programs operate before attempting to create your own roasting profiles. Follow these directions to select a Program: Plug the machine into an appropriate outlet and the “POWER/START”...

  • Page 29: Roasting With A Program

    ROASTING WITH A PROGRAM - KN-8828P-2 Select a Program with which to roast as described on the previous page. If you have not yet created any additional Programs use “Program 0” which is the default Program when entering Program mode. After Selecting a program, begin the roasting process by pressing the green POWER-START button.
  • Page 30 It is possible to adjust the temperature of an active segment during the roast. Use the + and - buttons to adjust the temperature. Either button can be held down to move through the adjustment range more quickly. If you reach either extreme in the temperature range for that segment, that particular button will no longer be available.

  • Page 31: Copying A Program

    COPYING AN EXISTING PROGRAM - KN-8828P-2 If you would like to create a new Program it can be easier and a bit quicker to begin with one that is already created. Here is how to copy a Program and paste it into another Program slot: Select the Program you wish to duplicate (see Page 24 for instructions on “Selecting a Program”) Press SET/SAVE Press SET/SAVE again.

  • Page 32: Understanding A Program And Segments

    Understanding Programs and Segments - KN-8828P-2 Now that you have a basic understanding of how a Program roasts coffee, you can begin to create and modify your own Programs. This section will help you understand the parameters of programming the KN-8828P-2. This chart visually shows the eight Program Segments and the temperature range of each available for programming.

  • Page 33: A Sample Program And Its Roast

    A Sample KN-8828P-2 Program and It’s Roast For a better understanding on how a Program affects the roasting process we present this graph of an actual sample roast and the program that created it. Time (minutes) Display Temperature Program Temperature Plus Time SEG.

  • Page 34: Modifying A Program

    Modifying a KN-8828P-2 Program Any Program (except Program 0) can be modified. Modification can be anything from changing a single en- try (such as “Temperature” for “Segment 3”) to creating an entirely new program by modifying every parameter. The programming process de- scribed below is illustrated in this flow chart: Enter the “Program”...

  • Page 35: Program Name

    PROGRAM NAME This next adjust allows you to change the Program’s name (indicated as *3 in the flow chart on page 34). This can be a three-character, alpha-numeric name you choose from these available characters: Capital letters from A to Z Numerals from 0 to 9 “_”...

  • Page 36: Advanced Manual Control

    Advanced Manual Control For those looking for a more precise control over their roasts there are methods that can be used to modify the roast profile while the coffee is roasting. You can use the program outlined below to learn how to manually control a roast.

  • Page 37: Ix - Cleaning And Care

    IX - Cleaning and Care Roasting coffee can be a bit messy. The chaff that comes off the beans, bits and pieces of coffee beans, and stray beans themselves can get strewn about, in and out of the roaster. To create the best coffee possible, to ensure safe operation, and to extend the life of your Hottop Coffee Roaster, it is very important to do some regular maintenance and cleaning.

  • Page 38: After 5 To 10 Roasts

    B. AFTER 5 TO 10 ROASTS 1- Drum Removal (Refer to diagram on page 7) NOTE: For all tasks related to disassembly or repair of the Hottop Bean Roaster, we urge you to refer to the Repair section of our website at www.hottopusa.com. There you will find photographic illustrations and detailed, step-by-step instructions to guide you.

  • Page 39: 3- Exterior Cleaning

    holes in the front plate and that the drum shaft goes into the hole in the center of the front plate. Hold the Bearing Plate (8) in place and verify that it is fully seated on the front of the machine and that the alignment pins (11) are in their locating holes.

  • Page 40: Roasting Styles Overview

    X - Roasting styles overview This section contains a brief explanation of the various roasts you can achieve with the Hottop Cof- fee Roaster, and will give you a general idea of how roast level affects taste. There are numerous factors that affect the roast level at a given time or Program setting on the machine.

  • Page 41: Experiment With Roasts

    will see large drops of oil appear on the surface of nearly all the beans. The smoke produced now is quite dense, and has a sharp, pungent smell. The coffee usually acquires a similar sharp taste, with the flavor being predominantly “roast” and less that of “coffee.” Some people do enjoy this “French” style but if you are purchasing quality beans this level of roast removes a lot of the taste for which you have paid.

  • Page 42: Coffee Varieties And Roast Styles

    roast” listed? No. That is because there is no such thing– espresso is a beverage, not a roast. With your Hottop Coffee Roaster you can now roast coffee any way you like. Be bold! Be daring! Experiment! There are tastes in coffee that are amazing, but many are lost if the coffee is roasted too dark. For drip coffee, try roasting some quality Colombian and stopping the roast about fifteen to thirty seconds after first crack ends, and well before second starts.

  • Page 43: Central-American, Colombian & African Coffees

    As you learn the coffees you are using and how they roast, you can adjust the roast settings and ad- justments so that you can get the roast you want. Day to day, roast times and temperature adjustments will vary even if you use the same exact amount of beans, from the same batch of green coffee, and roast at the same exact level.

  • Page 44: Xi - Tips And Hints

    If the roasted coffee comes out too light try using a longer program or adding “Plus” time on the KN-8828P-2, or program more initial time into the KN-8828B-2. You can also reduce the batch size from 250 to 225 grams of beans. If, on the other hand, the roasted coffee comes out too dark, try increasing the batch size to 270 grams or decreasing the roast time.

  • Page 45: Bean Cleaning

    Roasting decaffeinated coffee is more difficult than roasting “regular” coffee. The decaffeination process makes the color of the beans more difficult to discern and the cracks occur in much reduced num- bers. For this reason, we highly recommend learning to roast with “regular” coffee before attempting to roast decaf.

  • Page 46: How To Taste-Test Coffee

    You may wish to practice with some plain, cool water first, and please be careful not to burn yourself with the hot coffee! It is sort of like a powerful kiss, but take care to avoid drawing coffee into your throat. When tasting coffee this way pay attention to how it tastes at the very first, immediately after it coats your mouth, and how it tastes after it is swallowed.

  • Page 47: Xii - Resources

    XII - Resources Hottopusa.com For specific information not contained in this manual visit our website: www.hottopusa.com There you will find a lot of information including a troubleshooting guide, and an FAQ filled with lots of hints and tips. There is also a complete repair guide should you decide to undertake repairs on your own.
  • Page 48 Hottop Coffee Roaster Owner’s Manual This manual covers the following models: KN-8828B-2 and KN-8828P-2 Hottop USA Manufactured by Chang Yue Industrial Corp.® 25 Katelan Court No. 170, Chung Lun, Chung Sha Tsun, An Ding Shian Cranston, Rhode Island 02921 Tainan, Taiwan...

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Kn-8828p-2

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