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Installation and
Operation Manual
48" REFRIGERATED COUNTER (RUF 48) DIGITAL
WITH 1/3 SIZE FOOD PAN INSERT
RUF 48 MOD
CAUTION:
Please read this manual completely before attempting
to install, operate or service this equipment
WARNING for CA residents: go to www.dukemfg.com/prop65 for prop 65 warning
This manual is Copyright © 2022 Duke Manufacturing Co. All rights reserved.
Reproduction without written permission is prohibited. Duke is a registered
trademark of the Duke Manufacturing Co.
P/N 225409
REV B 05/25/2022
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Summary of Contents for Duke RUF-48 M
- Page 1 WARNING for CA residents: go to www.dukemfg.com/prop65 for prop 65 warning This manual is Copyright © 2022 Duke Manufacturing Co. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered trademark of the Duke Manufacturing Co.
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Page 2: Table Of Contents
Installation and Operation of: Product Name TABLE OF CONTENTS Inportant Safety Instructions ......................... 2-3 Introduction ................................4 Specifications ................................5 Installation ................................6 Operation .................................. 7 Maintenance ................................8 IMPORTANT SAFETY INSTRUCTIONS Throughout this manual, you will find the following safety words and symbols that signify important safety risks with regards to operating or maintaining the equipment. - Page 3 • This equipment should be serviced by qualified personnel only. Contact the nearest Duke authorized service facility for adjustment or repair. • Do not block or cover any openings on the unit.
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Page 4: Introduction
Retain this manual for future reference. INTRODUCTION This publication contains information regarding the SERIAL NUMBER installation and operation of Duke Refrigerated Always have the serial number of your unit available Counter units. The information contained within when calling for parts or service. The serial applies to the models RUF 48. -
Page 5: Specifications
Installation and Operation of: Product Name SPECIFICATIONS Frequency Watts Model Volts Amps Refrigerant HEIGHT WIDTH LENGTH (Hz) (Label) RUF-48 M R-513A 40.00 In. 29.50 In. 48.18 In. RUF-48 M 134A 40.00 In. 29.50 In. 48.18 In. RUF-48 M 134A 40.00 In. -
Page 6: Installation
Installation and Operation of: Product Name INSTALLATION - Location Units represented in this manual are intended for indoor use only. Be sure the location chosen has a floor or counter strong enough to support the total weight of the units. Reinforce the floor or counter if necessary to provide for maximum loading. -
Page 7: Operation
Installation and Operation of: Product Name OPERATION OPERATION – Location of Controls The refrigeration control/temperature setting adjustment is located on the back splash. This is the only user adjustable component on the unit. The refrigeration control / temperature display is covered by a protective cover to prevent unauthorized changes. -
Page 8: Maintenance
Installation and Operation of: Product Name MAINTENANCE MAINTENANCE – Stainless Steel Care & Cleaning To prevent discoloration or rust on stainless steel several important steps need to be taken. Stainless steel contains 70-80% iron which will rust. It also contains 12-30% chromium which forms an invisible passive film over the steels surface which acts as a shield against corrosion. - Page 9 Installation and Operation of: Product Name MAINTENANCE MAINTENANCE – Cleaning the Condenser Coil The condenser coil is located behind the unit. This unit has a replaceable filter, discard old filters. The con- denser coil requires regular cleaning and is recommended every 60 days. However, in some instances you may find that there is a large amount of debris, dust or grease that has accumulated prior to the 60 day time frame.
- Page 10 Installation and Operation of: Product Name MAINTENANCE MAINTENANCE – Door Gasket Care Gaskets require regular cleaning to prevent mold and mildew build up and also to keep the elasticity of the gasket. Gasket cleaning can be done with the use of warm soapy water. Avoid full strength cleaning prod- ucts on gaskets as this can cause them to become brittle and prevent proper seals.
- Page 11 Installation and Operation of: Product Name MAINTENANCE MAINTENANCE – Food Pan Insert & Air Duct The food pan insert in the top has a removable liner that can be lifted from the top and washed separately. Inside the unit, under the food pan insert, is a removable duct box and duct cover that can be removed by unscrewing the thumbscrews that hold them in place.
- Page 12 Installation and Operation of: Product Name NOTES Phone: 314-231-1130 Duke Manufacturing Co. Toll Free: 1-800-735-3853 2305 N. Broadway www.dukemfg.com Fax: 314-231-5074 St. Louis, MO 63102...
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