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By downloading or using any BUNN logo you signify your acknowledgment and assent to the Trademark Usage Terms set forth below. If you do not agree to these Usage Terms, please do not use our logos.

TRADEMARK USAGE TERMS

These Usage Terms, including the Bunn-O-Matic Corporation Graphics Standards, summarize your responsibilities in properly using any Bunn-O-Matic trademark, including the downloadable logos above (the “Logos”). These Usage Terms constitute a binding contract, and it is very important that you read, understand, and comply with your obligations under these terms. Doing so will protect the value of the Bunn-O-Matic brand for you, us, and other users by insuring that consumers know they can expect the quality and support they have come to expect from the Bunn-O-Matic name.

  1. Usage. You are permitted to use our trademarks and Logos (collectively "Trademarks") in brochures, websites, advertisements, and other marketing-related publications for the limited purpose of advertising Bunn-O-Matic products and accessories that you sell and services that you provide that make use of our products, subject to the restrictions contained herein.
  2. Ownership and Marking. Bunn-O-Matic remains the owner of all copyrights and other rights in the Trademarks and all use shall inure to our benefit. Your use of any Trademark must be accompanied by a statement indicating such Trademark is a trademark of Bunn-O-Matic Corporation. You must use the appropriate ™ or ® symbol with every Trademark.
  3. Scope of Use. You must not use the Trademarks in any way that would confuse consumers as to who offers your products and services, or as to the relationship between you and Bunn-O-Matic. A Trademark may not be used in any manner that might imply that any non-Bunn-O-Matic materials, including but not limited to goods, services, websites, or publications are sponsored, endorsed, licensed by, or affiliated with us. You may not mimic or make use of our product packaging, design, website or advertising in any way that may cause consumer confusion as to the source of your or our products and services. You may not use the Trademarks in any parody of Bunn-O-Matic, our products, or our trademarks or other intellectual property. You may not use the Trademarks in any way that would disparage us or our reputation and goodwill. You must never use a Trademark so that it appears with any other symbol or icon (except the appropriate trademark indicator); is contained within a box, circle, or other shape; or is combined with any other name, logo, or icon to create a co-branded logo.
  4. Use of Logos. You may only use the Logos exactly as provided for download and in accordance with the Bunn Corporation Graphics Standards set forth below.
  5. Relationship Between You and Us. The permission granted herein does not create an agency, employment, joint venture, or partnership relationship between us and you. You may not use the Trademarks in any way that might mislead consumers into believing that such a relationship exists. Such uses include, but are not limited to, combining a Trademark with another logo or emblem, displaying a Trademark in a position of prominence, or using the Bunn-O-Matic name in a manner other than to indicate that we manufacture authentic Bunn-O-Matic products that you sell.
  6. Changes and Objections. Bunn-O-Matic reserves the right in our discretion to terminate or modify permission to display the Trademarks, and may request that you modify or delete any use of a Trademark that, in our judgment, does not comply with these Usage Terms, or that might otherwise impair our rights in the Trademark, and you agree to comply with such changes and requests. We further reserve the right to object to unfair uses or misuses of our Trademarks or other violations of applicable law.

BUNN-O-MATIC CORPORATION GRAPHICS STANDARDS

A Valuable Asset
To further brand recognition and strengthen the BUNN identity, the following graphic standards must be followed at all times. The BUNN logo, tagline, and signature may only be used in the black, white, and BUNN Red (PMS 185). Any exceptions must be approved by the BUNN Marketing Department. Improper use of the logo, tagline, or signature will jeopardize their status as legally registered components of our identity. The BUNN Logo

The BUNN Logo consists of the word BUNN in all capital, black letters, with a registration mark and a red rule line above the type.

The logo may be used in one or two-color variations depending on the situation. The rule should be printed in PMS 185 (BUNN Red), and used as a spot-color whenever possible. Only in instances of short-run, low-budget pieces is it acceptable to print a four-color process (CMYK) as a substitute. In this situation, the color values are as follows: C=0, M=91, Y=76, K=0. When used on a dark background, reverse the letters out in white type and use the red rule. Whenever possible, use the two-color versions of the logo. For single color print jobs the rule may be black when using black lettering or white when using white lettering.

Graphic Standards Page
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Logo Relative Design & Proportions
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Copy Guidelines

The BUNN logo should never be crowded, hindered, or merged with another object, graphic, or copy surrounding it. Keep a minimum clear zone of two times the height of the rule line around all sides of the logo.

When referring to the company or its products in copy use “BUNN” in all caps. The company may also be referred to as “Bunn-O-Matic”; however, the word “Bunn” should not be in all caps when used in this way (example of incorrect usage “BUNN-O-Matic”).

The first reference to BUNN should include a ® symbol (BUNN®); however, this symbol is not required in subsequent references.

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Glossary

AD Card: An assembly consisting of computer chips and an instructional label. Used for loading advertising messages into the brewer software and display.
Air Pump: Used either to pressurize the hot water tank or create turbulence in a brewing chamber during the brew process. Used in equipment such as SmartWAVE and trifecta.
Auger Drive Shaft Assembly: A shaft assembly containing torsion springs while engaged to a motor shaft will flex depending upon thickness of the product during auger rotation.
Auger Motor: A motor with a fixed RPM used to rotate the auger, mix the product and shave ice off the cooling drum.

Basin Wrench: The basin wrench is a multi-function tool that is used to rebuild various solenoid valves.
Brew Lock-out: A programming feature that prevents brewing when actual water temperature is below the Ready temperature.
Brix Pump:  A proportioning device which pumps two liquids (water and concentrate) in an exact ratio. The ratio is determined by the pump design and is maintained precisely. The pump operates on the source pressure of one of the proportioned liquids, typically the incoming water, and eliminates the need for CO2 or electric power. Vacuum shut off is designed within the pump when the bag-in-box concentrate is totally empty.
Bypass (and variable bypass): A function, like dilution, that reduces strength of a concentrate but it is intended for hot beverages. Generally, hot water is blended with coffee concentrate. Variable bypass allows different bypass rates for various brew volumes (small, medium and large) within a recipe.

Capacitor: A component found most commonly on grinders and compressors that acts similarly to a battery and stores an electric charge then releases the charge when required.
Chip: A computer chip containing either recipes for specific coffee flavors or advertising messages which are read by the sensing coils on the brewer. One chip is embedded in each Smart Funnel handle to carry the coffee flavor name and batch size from the grinder to the brewer.
Clamp-on-Ammeters: A non-invasive tool recommended for testing electric current by clamping the meter to one wire at a time. If two wires are clamped, an incorrect reading will result.
Compressor: A main component in the refrigeration system that draws a vacuum of low pressure on the cooling side of the refrigerant cycle and compresses the gas into the high pressure or condensing side of the cycle.
Condenser Fan: A fan that moves air across the condenser coil and fins to promote machine efficiency by transferring heat. Obstruction of the fan could lead to compressor failure.
Contactor: A device used in machines with multiple tank heaters or tank heaters that exceed 4000 watts and is designed as a heavy duty relay for switching large load components.   It is energized by turning on the control thermostat to supply power to the tank heater(s).
Deliming Spring: A tool used to remove lime scale build up in the sprayhead tube on machines that do not have dispense valves. It is used by removing the sprayhead and inserting the spring into the sprayhead tube and then using a back-and-forth motion to remove any build up.
Deliming Tool: A tool used to remove lime scale build up in the sprayhead, bypass port and sprayhead fitting. It is used differently than the deliming spring depending upon the component being cleaned.
Dilution: A function used to reduce strength of a concentrate for cold beverages. Generally cold tap water is blended with tea or coffee concentrate.
Drip Time: The length of time when flow through the sprayhead stops to the time that there is no flow through the funnel tip (also applies to funnel lock).
Dynamic Water Pressure: The measurement of moving water in a closed condition such as a water line.

Easy Pulse: This is a simplified version of Pulse Brew. It is programmed by selecting the time period of brew water dispense.  Easy Pulse allows the operator to input a set time for which the brewer software will determine a pulse sequence.
Extraction: The phase of the brewing cycle when water-soluble materials dissolve and move out of the coffee grounds and into the water and includes Wetting and Hydrolysis.

Factory Default: Preset brew settings programmed and stored in the equipment memory at the manufacturing center.
First Time On: During a pulse brew, this is the time set for the initial flow of water over the grounds.
Funnel Detect: see Funnel Lock
Funnel Lock: A safety feature to prevent funnel removal during drip time.
Funnel Sensing Coil: A sensor on the front hood of the brewer that reads brewing recipe information stored in the funnel handle and prompts the brewer to automatically initiate the proper pre-programmed brewing parameters.

Hammer Arrestor: A plumbing device designed to absorb spikes in water pressure. It consists of an air-filled chamber that compresses when a surge of water is introduced in the water line. An indication of water hammer is clanging or noisy pipes and possible fluctuations in water pressure.
Heaters: A device used to heat the water in the tank and quite similar in design to heating elements found in other appliances. BUNN heaters are constructed of high heat-resistive element encased in a heat-treated stainless steel tube. Insulation is used to keep the resistive wire in place and away from the casing. Specific element designs are built for specific applications and are not necessarily interchangeable. They are rated for applied voltage and a specific power output (wattage) that determines the resistance (Ohms value).
Hydrolysis: A chemical reaction where the materials created during Wetting and Extraction break down further into water-soluble proteins and sugars.

Last On Time: During a pulse brew, this is the time set for the second on time and each alternating on time for the remainder of the brew cycle.
Limit Thermostat: A safety device designed to open or break the circuit in high temperature or high current situations. They are rated for both current and temperature.
Liquid Level Control Board: An electronic device that works in conjunction with the Liquid Level Probe and tank ground designed to automatically fill the brew tank with water when it senses a low level condition. A low AC signal is applied to the probe from this board. Minerals in the water complete the path from the probe to ground. When no ground is present and the machine is “on,” the liquid level board will then send a signal to the refill solenoid to energize. It will de-energize when the probe again senses water.
Liquid Level Probe: A sensor that monitors the water level in the tank. When water comes in contact with the probe it completes the circuit to ground. Once the circuit is complete, the board senses the take I full and opens the refill circuit shutting off the incoming water supply.

Main Screen: A term that describes the main screen display when a machine is not in use. This screen is also displayed after exiting the programming mode.
Mechanical Control Thermostat: A device designed to keep water at a constant temperature. It is preset for a specific temperature and will open and close its contacts to maintain that temperature.
Microprocessor: A device that carries out electronic functions in an integrated circuit such as controlled water temperature, water delivery, motor function, etc.
Multimeter: A handheld instrument designed to measure current, resistance and capacitance. As one of the most valuable tools a technician uses, it is important to use it correctly and safely by becoming familiar with the safety warnings and cautions.

No-name Recipe: The term for the recipe used by the brewer when there is no name stored in the funnel memory. The brewer can contain separate No-name Recipes for the left and right brewing positions.

Off Time: During a pulse brew or pre-infusion, this is the time set for the length of time that the water is not spraying over the grounds.  

Peristaltic Pump: A positive displacement pump used for a variety of fluids. The fluid is contained within a flexible tube fitted inside a circular pump casing. A rotor with a number of “rollers” on the external circumference compresses the flexible tube. As the rotor turns, the compressed part of the tube closes and forces the fluid through the tube. Peristaltic pumps are typically used to pump fluids to prevent contamination from the pump or other outside contaminates.
Powder Auger Motor: A motor used in powder beverage machines to rotate the hopper gear to deliver powder to the mixing chamber. The motor is used to control the flow of product to the mixing chamber by increasing or decreasing DC voltage in 2.5 percent increments.
Pre-infusion: A minor adjustment to a brew cycle when an initial volume is dispensed, followed by a pause to allow for saturation of the material, then the remainder of the brew cycle progresses. This is also described as a “pre-soak.”
Pulse Brew: A programmed process when the brew water is started and then paused repeatedly in order to increase the water contact time during a brew cycle. Pulse Brew can be programmed manually, by set time or through BrewMETER adjustments. This method is very useful for smaller volumes and is sometimes used to prevent funnel overflow.

Recipe: A set of unique brewing parameters stored in the brewer memory. It may include adjustments to mass in the funnel, pulse brew, bypass, pre-infusion and drip time.
Recipe Card: An assembly consisting of computer chips and an instructional label.
Rectifier: A solid state device designed to convert AC to DC. Example: single diode, bridge, full wave rectifier (four diodes in a package)
Refractometer: A hand-held device used to read the amount of dissolved solids in a liquid. When light shines through a few drops of a liquid, it is refracted – or bent – similar to a prism. It is critical to first calibrate a refractometer with distilled or R.O. water.
Regulator: A device used to moderate water pressure and assist in keeping a consistent pressure level. It is especially important in siphon systems.
Relay: A device that acts as an electrified switch and consists of a set of contacts, an iron core plunger and a coil. Its function is to change the “state” of the contacts which are known as being “normally open” or “normally closed.” When voltage is applied, the coil becomes an electromagnet, causing the iron core to draw up and physically trip the contacts from their normal state.
RPM Feedback: Technology on auger motors in BUNN specialty drink systems that monitor the auger revolutions per minute (RPM) and controls powder dosing for each beverage, eliminating product waste and ensuring consistency cup-to-cup.
RPM Sensor: A device used to measure the time between pulses for the purpose of monitoring RPM (revolutions per minute).

Satellite Brewer: A system that includes a mother brewing system that remains in one location (e.g., kitchen) and dispenses into portable, or removable, servers for remote service.
Solenoids: A device that acts as an electrified faucet. It consists of a valve body, seat cup/plunger assembly and an electromagnetic coil. When voltage is applied, the coil will draw the iron core plunger away from the valve body and allow water to flow past the seat cup (diaphragm).
Spanner Wrench: Hayes Solenoid Spanner Wrench – Used only when rebuilding Hayes-style solenoid valves and in conjunction with a crescent or open-ended wrench. Skinner Solenoid Spanner Wrench – Used only when rebuilding Skinner-style solenoid valves and in conjunction with a crescent or open-ended wrench.
Static Water Pressure: The measurement of water that is not moving or flowing.
Switches: Devices designed to allow current voltage to pass or not to pass, depending on whether it is “open” or “closed”. There are many different configurations available to satisfy many different applications such as a single pole, single throw (wall switch), and gauge-type switches that can control the on/off for many components at the same time. Membrane switches are common in touchpads; float switches are reed switches that are activated by magnets, and mechanical switches are sets of contacts.

Thermal Cut-off: Sometimes referred to as TCO, this is a current-sensitive fuse that acts in the same way as a limit thermostat. If the temperature reaches a certain level the TCO fuse will blow and cut the power to the tank heater.
Thermistor: A temperature-sensitive resistor used to monitor temperatures. It changes value as it cools or heats. Negative Temperature Coefficient (NTC) thermistors will decrease in ohms value as it heats and are commonly used in temperature sensing. Positive Temperature Coefficient (PTC) thermistors increase in ohms value and are generally used in protective circuits by monitoring over current conditions.
Thermoelectric Cooler (Peltier Device): Also referred to as TEC, this is a small cooling device that relies on a Peltier junction and is composed of two conductors made of different materials. The Peltier junction acts as a heat pump that can cool or warm when current is passed through it. For example, as current passes through, one side is hot and the other is cold. This device is used to chill (approximately 20° from ambient air temperature) but not refrigerate concentrate product.
Timer Board: A board designed to provide the voltage to a specific device in order to energize it. For example, it can energize a relay, inlet solenoid, pump, dump valve or other device for brewing or can energize a motor to grind coffee.
Torque Sensing Board: A board that consists of an infrared LED and a photo transistor which monitor the auger shaft and motor pin distance. The microprocessor will determine the shut off point of the refrigerant solenoid in relation to the thickness (distance) setting in the function menu.
Total Dissolved Solids: Also referred to as TDS, this is the total weight of the solids that are dissolved in water, stated in parts per million (ppm) of per unit volume of water.
Transformer: A device used to step a voltage up or down and isolate circuits. It consists of two sets of windings (lengths of coated wires) that have no electrical connection to each other. An AC voltage is applied to the primary winding, which generates a field of flux. This action causes the secondary of the transformer to generate a stepped-down AC voltage. In BUNN equipment, 12-volt and 24-volt step down transformers are common.
Triac: A solid-state device that performs the same function as a relay without the moving parts. Its construction is T-1 (terminal), T-2, and a gate. Normal state of a triac is “open” between T-1 and T-2. Applying a small AC voltage to the gate activates it, which then “shorts” or closes the two terminals and allows current to pass. Because there are no moving parts, a triac has no contacts and will not “pit” and wear out like a relay can.

Universal Power Supply: Also referred to as UPS, it is used to convert variations of line voltage to 24 VDC. It powers all internal components except for the tank heater that operates on line voltage.

Venturi Assembly: An assembly that creates a siphon that pulls product through the valve, and water and concentrate are mixed during dispense. The water flows through a narrow or restricted area that increases the velocity of the water in the valve. The increased speed of the water creates a decreased pressure and results in a suction or vacuum pulling the concentrate into the assembly where it is mixed with water.

Wetting: Part of the brewing process that includes Extraction and Hydrolysis where grounds begin to absorb hot water from the sprayhead and release gasses.
Whipper Motor: A high speed motor used to rotate a frother blade to blend product (i.e., powder) and water during a beverage dispense.