Bunn SRU/U3 Installation & Operating Manual
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Bunn SRU/U3 Installation & Operating Manual

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SRU/U3
INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
www.bunn.com
To ensure you have the latest revision of the Operating Manual, Illustrated Parts Catalog, Programming Manual, or Service
Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain
the latest catalog and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.
42769.0000C 04/19 ©2010 Bunn-O-Matic Corporation

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Summary of Contents for Bunn SRU/U3

  • Page 1 To ensure you have the latest revision of the Operating Manual, Illustrated Parts Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.

  • Page 2: Warranty

    AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.

  • Page 3: Table Of Contents

    INTRODUCTION This brewer will brew a three gallon batch of coffee into each reservoir (one at a time). Each reservoir has its own dispensing faucet(s).The brewer also has a hot water faucet(s) for allied beverage use. It is only for indoor use on a sturdy counter where ambient temperature is in the range of 10-30°C (50-85°F).

  • Page 4: Ce & North American Requirements

    CE REQUIREMENTS • This appliance must be installed in locations where it can be overseen by trained personnel. • For proper operation, this appliance must be installed where the temperature is between 5°C to 35°C. • Appliance shall not be tilted more than 10° for safe operation. •...

  • Page 5: Electrical Requirements - U3

    ELECTRICAL REQUIREMENTS - U3, U3A, U333, U38, U3833 CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. L2 RED 208V OR 240V 120V A.C. BLUE 380V OR 440V WHITE 208V OR 240V 208 OR 380V OR 440V 240V A.C.

  • Page 6: Electrical Requirements - Sru

    ELECTRICAL REQUIREMENTS - SRU, SRUA CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. BLACK BLACK 208 OR 230V A.C. 240V A.C. GREEN GREEN GREEN GREEN P1842 P1842 SRU Models require 2-wire, SRUA-CE Models require grounded service rated 208 or 240 2-wire, grounded service rated 230...

  • Page 7: Plumbing Requirements & Initial Set-Up - U3

    NOTE - Bunn-O-Matic recommends 3/8" copper tubing for installations from the 1/2" water supply line. A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the counter top. Bunn-O-Matic does not recom- mend the use of a saddle valve to install the brewer. The size and shape of the hole made in the supply line by this type of device may restrict water flow.

  • Page 8: Initial Setup - Sru

    12. The brewer is now properly adjusted to brew coffee. ADJUSTING BREW VOLUMES Bunn-O-Matic recommends a bead of silicon sealant be placed around the base on the countertop after the initial operation instructions are completed. B.O.M. #M2509.1001 sealant is available.

  • Page 9: Adjusting Brew Volumes & Coffee Brewing

    1. Brewing cycles may be started whenever water temperature is correct. This condition is indicated by the dial thermometer on front of the brewer. Whenever the pointer is in the green, brewer is ready for brewing. 2. Insert Bunn filter in funnel and add desired amount of coffee.

  • Page 10: Cleaning

    provided on the funnel to help make this step easier. NOTE: Hot water may be drawn from the hot water faucet during a brew cycle. However, if a large amount of hot water is drawn off (over 1 gallon) operator should wait to do so between brewing cycles. CLEANING NOTE: Tanks and tank components should be delimed regularly based on local water conditions.

This manual is also suitable for:

U3 120/208v

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