Duke MUHC 51 SERIES Installation And Operation Manual

Multi-use holding cabinet

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MUHC

(MULTI-USE

HOLDING CABINET)

U.S. and Foreign Patents Pending

MODEL

MUHC 51 SERIES

MUHC 52 SERIES

MUHC 34 SERIES

Please read this manual completely before attempting

IMPORTANT INFORMATION, READ BEFORE USE.

Reproduction without written permission is prohibited. Duke is a registered

to install, operate or service this equipment

PLEASE SAVE THESE INSTRUCTIONS.

trademark of the Duke Manufacturing Co.

Duke Manufacturing Co.

2305 N. Broadway

St. Louis, MO 63102

Phone: 314-231-1130

Toll Free: 1-800-735-3853

Fax: 314-231-5074

www.dukemfg.com

Installation and

Operation Manual

P/N 165008E

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Summary of Contents for Duke MUHC 51 SERIES

Page 1 IMPORTANT INFORMATION, READ BEFORE USE. PLEASE SAVE THESE INSTRUCTIONS. This manual is Copyright © 2013 Duke Manufacturing Co. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered trademark of the Duke Manufacturing Co.
Page 2 Installation and Operation of MUHC...
Page 3: Table Of Contents
Installation and Operation of MUHC TABLE OF CONTENTS ELECTRICAL WARNINGS ....................4 INTRODUCTION .......................5 SPECIFICATIONS ......................6 INSTALLATION .......................10 OPERATION ........................12 CLEANING INSTRUCTIONS ..................16 TROUBLESHOOTING ....................17 PARTS LISTS AND ILLUSTRATIONS................18 WIRING SCHEMATICS ....................22...
Page 4: Electrical Warnings
Installation and Operation of MUHC ELECTRICAL WARNINGS THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL ELECTRICAL EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD STARTUP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. READ THIS MANUAL THOROUGHLY BEFORE OPERATING, INSTALLING OR PERFORMING MAINTENANCE ON THE EQUIPMENT.
Page 5: Introduction
Operate equipment only on the type of electricity indicated on the data sticker. • Retain this manual for future reference. INTRODUCTION The Duke MUHC was developed for extended food- The unique design of the MUHC allows multiple holding capabilities to provide consistently high, “just temperature operation for all existing product groups.
Page 6: Specifications
Installation and Operation of MUHC SPECIFICATIONS MUHC-34 Unit Weight: 152 lbs/69 kg Electrical: MUHC-34-208 208 V ~, 16 A, 360 W, 50/60 Hz 41 1/2" 105.34cm 16 3/16" 41.10cm 15 3/4" 40.01cm...
Page 7 Installation and Operation of MUHC MUHC-34SM/CH Unit Weight: 135 lbs/62 kg Electrical: MUHC-34SM-208 208 V ~, 14 A, 2700 W, 50/60 Hz MUHC-34CH-208 208 V ~, 14 A, 2700 W, 50/60 Hz MUHC-34CH-230 230 V ~, 14 A, 2700 W, 50/60 Hz MUHC-34SM 31 5/16"...
Page 8 Installation and Operation of MUHC MUHC-51 Unit Weight: 175 lbs/80 kg Electrical: MUHC-51-120 120 V ~, 16 A, 1800 W, 50/60 Hz MUHC-51-208 208 V ~, 9.8 A, 2000 W, 60 Hz 1.465in 3.72cm 5.556in 14.11cm 18.863in 47.91cm 23.813in 60.49cm 25.136in 63.85cm 34.286in...
Page 9 Installation and Operation of MUHC MUHC-52 Unit Weight: 330 lbs/150 kg Electrical: MUHC-52-120 120 V ~, 24 A, 2880 W, 50/60 Hz 1.465in 3.72cm 5.593in 14.20cm 32.072in 23.816in 81.46cm 60.49cm 25.137in 63.85cm 48.073in 122.10cm...
Page 10: Installation
Contact your dealer and plug must not be altered. or local Authorized Duke Servicer immediately. • The MUHC is designed for access from either side. UNPACKING •...
Page 11 4. At the circuit breaker, turn on power to the circuit. : If the supply cord is damaged, it must be replaced by a special cord or a special cord assembly available from Duke Manufacturing Co. or its service agent.
Page 12: Operation
Installation and Operation of MUHC OPERATION The following procedures must be performed on a : Bottom and sides of warmer daily basis. wells are very hot and cool slowly. OPENING CHECKLIST CAUTION: Do not use caustic cleaners, acids, ammonia products or abrasive cleaners or abrasive cloths.
Page 13 Installation and Operation of MUHC KEYPAD PROGRAMMING CAUTION: Never leave any food products or salt on the surface. Many foods are acidic. Salt contains chloride. For routine cleaning, use warm water, mild soap or detergent and a sponge or soft cloth. For heavy-duty cleaning, use warm water, a degreaser and a plastic, stainless steel or Scotch-Brite pad.
Page 14 Installation and Operation of MUHC 2. Until warmer reaches preprogrammed operating 5. At t=0, alarm sounds, Status LED is FLASHING temperature, all displays will show actual and “00:00” is FLASHING in the Display. Discard temperature. product in pan. Press corresponding Arrow Button to silence alarm and reset timer.
Page 15 Installation and Operation of MUHC time up. and press the Enter Button to accept. Status LED stops flashing and desired Meal Set is displayed. Display Link, Hold Time & Temperature 7. When the proper time is reached on the Display release the Arrow Button and after 5 seconds unit Press Arrow Button repeatedly to scroll through Link, will accept new time and return to normal operation.
Page 16: Cleaning Instructions
Installation and Operation of MUHC CLEANING INSTRUCTIONS CLEANING CHECKLIST behind particles that rust. : Do not wash with water jet : Never use acid-based or chloride- or hose. containing cleaning solutions, which will break down the protective film. Bottom and sides of warmer : Never rub in a circular motion.
Page 17: Troubleshooting
Installation and Operation of MUHC TROUBLESHOOTING There are no user serviceable parts on the Duke TEMPERATURE CHECK PROCEDURE Product Holding Cabinet. If a malfunction occurs, 1. A digital temperature meter that has been calibrated ensure unit is plugged in then check all switches and must be used to get an accurate temperature circuit breakers.
Page 18: Parts Lists And Illustrations
Installation and Operation of MUHC PARTS LISTS AND ILLUSTRATIONS WIRING DIAGRAM WIRING DIAGRAM...
Page 19 Installation and Operation of MUHC LOCATOR PART # DESCRIPTION MUHC 34- MUHC 34SM- MUHC 34CH- MUHC 34CH- 155750 RTD 1K OHM THIN 155680 NUT #8-32 KEPS 155753 THERMOSTAT, AUXILIARY 165973 ELEMENT, 208V 165963 ELEMENT, TOP, 208V 165965 ELEMENT, TOP, 230V 165964 ELEMENT, BOT, 208V 165966...
Page 20 Installation and Operation of MUHC MUCH 5X1...
Page 21 Installation and Operation of MUHC LOCATOR PART # DESCRIPTION MUHC MUHC MUHC 51-120 51-208 52-120 158279 RTD, 1K OHM, MEDIUM 155680 NUT #8-32 KEPS 155753 THERMOSTAT, AUXILIARY 165910 ELEMENT, 51 - 120V 165978 ELEMENT, 51 - 208V 165911 ELEMENT, 52 - 120V 165430 TIMER BAR, 51 165154...
Page 22: Wiring Schematics
Installation and Operation of MUHC WIRING SCHEMATICS MUHC 5X1 WIRING DIAGRAM 120V & 208V HMC-34 CONTROLLER 1 2 3 4 Level 4 Level 3 REAR FRONT Level 4 Level 1 REAR REAR 1 2 3 4 Level 2 Not Used FRONT Level 2 Level 3...
Page 23 Installation and Operation of MUHC MUHC 5X2 WIRING DIAGRAM HMC-34 CONTROLLER 1 2 3 4 Level 4 Level 3 REAR FRONT Level 4 Level 1 REAR REAR Level 2 Not Used FRONT 1 2 3 4 1 2 3 4 Level 2 Level 3 REAR...
Page 24 Installation and Operation of MUHC                                    ...
Page 25 Installation and Operation of MUHC                                    ...
Page 26 Installation and Operation of MUHC                                    ...
Page 27 Installation and Operation of MUHC NOTES:...
Page 28 Installation and Operation of MUHC Duke Manufacturing Co. 2305 N. Broadway St. Louis, MO 63102 Phone: 314-231-1130 Toll Free: 1-800-735-3853 Fax: 314-231-5074 www.dukemfg.com...

This manual is also suitable for:

Muhc 52 series Muhc 34 series