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®
American Metal Ware Coffee Urn
Installation, Operation & Service Manual
For
Model 67710E
TABLE OF CONTENTS
Warning Labels.......................................2
Introduction.............................................3
About the 67710E Coffee Urn..................4
General Description.....................4
X
Electric Steam
Features of This Model................4
Pre-Installation........................................5
Package Contents.......................5
Rough In Drawi
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American Metal Ware 67710E Coffee Urn Page 2
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Introduction Thank you for purchasing this American Metal Ware product. American Metal Ware has been building beverage equipment since 1883. This product has been designed for the quality and cost conscious restaurant operator in mind. Our metal craftsmen proudly build each product with great attention to detail. This manual has been prepared to compliment your equipment. Take a few minutes to become familiar with the equipment before you start operation. Within, you will find information o
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About the 67710E Coffee Urn General Description This coffee urn has been engineered to suit the special needs of the prison environment. This section highlights the characteristics and special features of the product. The urn is a large capacity, high-speed, coffee brewing and holding unit. The body is constructed of two walls of stainless steel with insulation between. Inside is a large capacity water tank where the brew is heated. Two ten gallon liners fit into that tank. Each liner has it
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Pre-Installation Package Contents This coffee brewer should be packed in a box on a wooden skid. Check to make sure the box contains the following parts: 1) The Urn 2) Two stainless steel mesh brew baskets. 3) Three pad-locks and one set of three identical keys. 4) This instruction manual. 5) Two clamps for pump tubing - in the control enclosure. 6) Two sets of two keys to turn on brew controls. The next page shows a rough-in drawing, number 094-004. Refer to this drawing for information requi
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American Metal Ware 67710E Coffee Urn Page 6 If you still need help, call our service department at (800) 568-5715 Ext. 3 or (502) 425-4776 (Monday through Friday, 8 am - 6 pm EST) or an authorized service center in your area. Please have the model and serial numbers ready so that accurate information may be given. Prio authorization must be obtained from Grindmaster Corporation’s Technical Services Department for all warranty claims.
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Installation WARNING, ELECTRIC SHOCK HAZARD INSTALLATION SHOULD BE PERFORMED BY QUALIFIED ! SERVICE PERSONNEL ONLY. Initial Considerations Unpack the Urn Remove the cardboard carton from around the urn. Be careful not to scratch the stainless steel with any tools. Unwrap any plastic wrapped items. Open both liner covers and remove materials inside the liners. Remove the control enclosure to expose electric connections. Select a sight for the urn The Urn must be placed on a sturdy, leveled ta
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It is a 3/8 Female NPT connection. See the rough-in drawing for details on location. You may wish to install a water line filter to inhibit lime deposits especially if your area has particularly hard water. Lime, which precipitates as the water is heated, will eventually build up inside the urn. Electric Hook-Up Before starting any work, be sure the Electric Inlet electric line has been turned off. Check the nameplate on the urn for the elec- tric ratings of the urn. A wiring diagram 3/8” F
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Initial Start Up Now that the brewer is connected, it can be started and checked. • Leave the access cover open. • Turn on the water supply. • Turn on the electricity to the urn. The urn will now begin to fill. The heaters should still be off. When the water level is above the heaters, the contactor will close to turn on the heaters. Check for leaks in the water connection and inside the control enclosure. Assuming all is working correctly, close the control enclosure and allow to finish fill
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Operation Now that the urn has been installed and started up, it is ready for operations. This section describes the brew process from start to finish. Before brewing the first batch of coffee, follow the procedure outlined here to brew an initial batch of water only into each liner. This will rinse the components and set the gaskets and seals. Load the Coffee Remove the pad lock which secures the liner cover over the liner into which you want to • brew. Lift the cover to expose the brew bask
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• The pump will run for 12 1/2 minutes to spray over the water required for 10 gallons of coffee. The BREW light stays on while the pump is running. As water in the tank is used, it is refilled automatically. The FILL light indicates that the fill valve is open. The light should alternate on and off, even when brewing to both sides. If the FILL light stays on during the brew cycle, see the Adjustment section for instructions on speeding the fill rate. • Press the STOP switch if you need to
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Adjustments WARNING, ELECTRIC SHOCK HAZARD INSTALLATION SHOULD BE PERFORMED BY QUALIFIED ! SERVICE PERSONNEL ONLY. Bypass Adjustment See figure 4. Each liner has an independent bypass which is adjustable. The Bypass valve controls the ratio of water sprayed over the grounds to the water poured directly into the liner -bypassing the grounds. The urn is shipped from the factory with the bypass open Figure 4, Bypass Valve 3 1/2 turns. This means approximately 25% of the water bypasses the cof
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To Change the Water Tank Temperature (cont) • Insert a miniature, flat screwdriver into the center of the shaft. Turn the screw slightly to make adjustments: clockwise to increase the • temperature, counterclockwise to lower. • Turn the power back on and allow the temperature to equalize. The water hot light turns on when the heaters are off. Check the water temperature inside the tank. Repeat adjustment if needed. • Timer Adjustment See figure 6. Timer Two timers control the brew cycle inc
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To adjust the rate (cont) • The level in the liner should be one inch below the line where the liner ring attaches to the liner wall. • Re-adjust until the level is correct. Fill Rate Adjustment The fill rate depends on the water line pressure and the opening of the FAST FILL VALVE, see figure 8. If the urn does not refill as fast as it uses water during a brew cycle, you may adjust the fill rate. If you adjust for maximum fill rate and the level still cannot keep up, either the pressure is to
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Cleaning Cleaning your coffee brewer will help the machine last longer, produce better coffee, and keep its attractive appearance. Cleaning regularly does not take much time. Follow these steps for daily and weekly cleaning. Cleaning brushes may be purchased from American Metal Ware or your restaurant equipment dealer. Do not use soap, scouring powders, or abrasive materials to clean your equipment. These will damage the stainless steel finish. After Each Use • Empty and rinse brew basket.
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American Metal Ware 67710E Coffee Urn Page 16
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Page 17 American Metal Ware 67710E Coffee Urn
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Notes American Metal Ware 67710E Page 18
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Grindmaster® Coffee Grinders and Brewers • Espressimo® Espresso Machines • Crathco® Hot Beverage Dispensers Crathco® Cold and Frozen Beverage Dispensers • American MetalWare® Coffee and Tea Systems Tel (502) 425-4776 • Fax (502) 425-4664 • 1-800-695-4500 P.O. Box 35020 • Louisville, KY 40232 • USA www.grindmaster.com • email: info@grindmaster.com
