Duke FLEXTECH FTU-10 Owner's Manual
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Duke FLEXTECH FTU-10 Owner's Manual

Humidified holding cabinet stand-alone
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FLEXTECH™
HUMIDIFIED
HOLDING CABINET
STAND-ALONE
Model:
FTU-10
IMPORTANT INFORMATION, READ BEFORE USE.
This manual is Copyright © 2015 Duke Manufacturing Company. All rights reserved.
Reproduction without written permission is prohibited. Duke is a registered
PLEASE SAVE THESE INSTRUCTIONS.
trademark of the Duke Manufacturing Company.
Duke Manufacturing Company
2305 N. Broadway
St. Louis, MO 63102
Phone: 314-231-1130
Toll Free: 1-800-735-3853
Fax: 314-231-5074
www.dukemfg.com
OWNER'S MANUAL
P/N 169880A
06/18/2015

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Summary of Contents for Duke FLEXTECH FTU-10

  • Page 1 FTU-10 IMPORTANT INFORMATION, READ BEFORE USE. PLEASE SAVE THESE INSTRUCTIONS. This manual is Copyright © 2015 Duke Manufacturing Company. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered trademark of the Duke Manufacturing Company. Duke Manufacturing Company 2305 N.
  • Page 2 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet...

  • Page 3: Table Of Contents

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ................4 SPECIFICATIONS .......................8 MAIN FEATURES ........................10 INSTALLATION ........................11 OPERATING INSTRUCTIONS ....................15 CARE AND CLEANING .......................18 DOOR ADJUSTMENTS AND GASKET MAINTENANCE ...........22 PROGRAMMING CONTROLS ....................24 ERROR FAULT MESSAGING .....................27 TROUBLESHOOTING .......................33...

  • Page 4: Important Safety Instructions

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet IMPORTANT SAFETY INSTRUCTIONS Throughout this manual, you will find the following safety words and symbols that signify important safety issues with regards to operating or maintaining the equipment. WARNING INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY.
  • Page 5 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet FAILURE TO FOLLOW ALL THE INSTRUCTIONS IN THIS MANUAL CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. (US/CAN ONLY) ELECTRICAL CONNECTIONS SHOULD BE PERFORMED ONLY BY A CERTIFIED PROFESSIONAL.
  • Page 6 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet BEFORE PERFORMING ANY SERVICE THAT INVOLVES ELECTRICAL CONNECTION OR DISCONNECTION AND/OR EXPOSURE TO ELECTRICAL COMPONENTS, ALWAYS PERFORM THE ELECTRICAL LOCKOUT/ TAGOUT PROCEDURE. DISCONNECT ALL CIRCUITS. FAILURE TO COMPLY WITH THIS PROCEDURE CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH.
  • Page 7 Do not use corrosive chemicals, water jet equipment, or other pressurized liquid spraying equipment to clean this unit. • This equipment should be serviced by qualified personnel only. Contact the nearest Duke authorized service facility for adjustment or repair. •...

  • Page 8: Specifications

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet SPECIFICATIONS Patent Pending Unit Weight: lbs / 234 kg Model FTU-5 Maximum Unit 616 lbs / 279 kg Weight With Food Line Ratings - FTU with Touch Screen Control Line Supply Line Supply...
  • Page 9 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet 64.7mm 63.9mm 2.55in 2.51in 120.2mm 126.9mm 4.73in 5.00in WATER INLET ELECTRICAL INLET 964.7mm 37.98in 614.1mm 24.18in 1798.4mm 70.80in 1763.4mm 69.43in...

  • Page 10: Main Features

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet MAIN FEATURES POWER CORD MAIN SWITCH WATER INLET TOUCH SCREEN CONTROL PANEL USB PORT DOORS & HINGES ARE REVERSIBLE RACKS FOR 10 SHELVES (2 SETS) ACTIVE VENT REMOVALBE SPILLAGE PAN HIGH LIMIT...

  • Page 11: Installation

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet INSTALLATION UNPACKING UNIT 1. Local codes. Inspect the shipping carton and/or container, 2. Canadian Electrical Code (CSA C22.2 carefully noting any exterior damage on the No. 3, latest edition) available from the delivery receipt;...
  • Page 12 Duke Manufacturing Co. or its service agent. CAUTION In order to avoid a hazard due to inadvertent resetting of the thermal...
  • Page 13 Duke Reverse Osmosis (RO) System INSTALLATION Model RO. 1. This unit is supplied with the national 2. A single Duke RO System is able to support and international specified water supply up to five Duke Flex Tech Humidified interconnection. Local regulation variances Holding Cabinets.
  • Page 14 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet START-UP NOTE: The unit will not attempt to WARNING humidify the cabinet until preheat is complete. Additionally, at the same time, ELECTRICAL SHOCK HAZARD. a 10 min. (or until the set point is reached)

  • Page 15: Operating Instructions

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet OPERATING INSTRUCTIONS TOUCH SCREEN DEFINITIONS Preheat Screen Progress / Status Bar Run Screen Main Tool Bar Sleep Button Info Button "Green" Bar Graphically Represents "Green" Bar Set Point Actual Graphically Temperature Represents...
  • Page 16 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet DAILY START-UP 6. Allow the unit to reach set point 1. Verify power cord is connected. temperature prior to use. An audible alarm will sound (3 short chirps) when the unit 2. Verify RO System is installed, water line is reaches the READY state.
  • Page 17 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet OPERATING INSTRUCTIONS SHUTDOWN INSTRUCTIONS 1. Place the Main Switch in the “STANDBY” 1. Once the unit reaches the selected Recipe position. set point, it is then in a READY state and may be used.

  • Page 18: Care And Cleaning

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet CARE AND CLEANING DAILY CLEANING INSTRUCTIONS WARNING THE MAIN SWITCH ON THE 1. Verify or place the Main Switch in the APPLIANCE IS FOR STANDBY “STANDBY” position. POWER ONLY. 2. Disconnect power by removing plug from FOR ALL-POLE DISCONNECT the wall outlet.
  • Page 19 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet CAUTION THE TEMPERATURE PROBE SENSOR AND HUMIDITY SENSOR ON THE LEFT SIDE WALL CAN BE DAMAGED BY IMPACT OR BENDING AND SATURATION WITH WATER OR CLEANING FLUIDS. USE CARE TO NOT DAMAGE OR...
  • Page 20 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet CAUTION NOTE: Cleaning procedure recommended daily. Weekly cleaning may be acceptable for low to moderate THE HUMIDIFICATION CYLINDER volume usage. WILL BE HOT WELL AFTER THE INTERIOR SURFACES HAVE COOLED TO ROOM WEEKLY CLEANING AND CARE TEMPERATURE.
  • Page 21 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet 4. Remove the bottom pan to access the 6. Make sure to remove any soilage and/or humidification system. all of the scale residue from the sides and bottom of the cylinder and from the top of the atomization disc.

  • Page 22: Door Adjustments And Gasket Maintenance

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet DOOR ADJUSTMENTS AND GASKET MAINTENANCE DOOR GASKET GAPS / LEAKS 3. Adjust the door position by moving the door frame in or out to seal any gaps between The doors should be checked for leaks the door and the gasket.
  • Page 23 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet REVERSING UNIT DOOR SWING DIRECTION 4. Follow the same procedure to reverse the hinge components and the latch strike plate 1. Open the door approximately 135 degrees. on the unit. Lift the door off of the hinge.

  • Page 24: Programming Controls

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet PROGRAMMING CONTROLS 3. To edit any of the recipe settings, touch the To access the SPECIAL FUNCTIONS, touch button adjacent to the field you button on the Main Tool Bar. want to change. Touch the button to save the changes.
  • Page 25 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet • QUICK GUIDE – Overview of unit function • TO SPACE • PROGRAMMING – Overview of secondary function • TO CLEAR ALL TEXT • TROUBLESHOOT – Reserved for future • TO DELETE/BACKSPACE •...
  • Page 26 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet • C/F SELECT – Touching will toggle • Select file operation from list and follow between CENTIGRADE MODE ENABLED instruction on the display screen. and FAHRENHEIT MODE ENABLED. • OS LOAD –Update the control firmware.

  • Page 27: Error Fault Messaging

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet ERROR FAULT MESSAGING OVERVIEW DESCRIPTION An Error Fault Message is a specific message An example of a Check Doors Low Humidity displayed on the Touchscreen when the unit Error Fault Message screen is shown and detects one or more common faults.
  • Page 28 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet LOW HUMIDITY Note: After back button is pressed from the check doors screen. The error fault text is still displayed indicating the error is First Warning still present. If multiple Error Fault Message Categories are •...
  • Page 29 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet HIGH HUMIDITY Third Warning First Warning • After taking corrective measures, wait for possible recovery. If recovery occurs, error • Possible cause, adding product or recipe faults will clear. change • Wait for possible recovery Alternate Third Warning •...
  • Page 30 • Check the Over Temperature Safety Limit Switch. Push button to reset if tripped. • Check doors, if open, close doors. • If condition persists, call Duke Service. • Wait for possible recovery Fourth Warning Second Warning • After taking corrective measures wait for •...
  • Page 31 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet HIGH TEMPERATURE Final Warning First Warning • Remove Product and Call for Service • Possible cause, adding product or recipe change • Wait for possible recovery to set point Final Warning •...
  • Page 32 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet CRITICAL SENSOR FAULTS CAN CONNECTION FAULT • Remove Product and Call for Service • Remove Product and Call for Service...

  • Page 33: Troubleshooting

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet TROUBLESHOOTING Problem Possible Cause Solution Unit is not ON Unit is not connected to power Connect power cord to the electrical power source Main Switch is not ON Turn switch ON Supply Circuit Breaker is tripped...
  • Page 34 Should the high limit trip, push the RESET button. The  Located on lower right back  high limit will reset with a "click" if an over temperature trip of unit   occurred. If condition persists, call Duke Service. ...

  • Page 35: Wiring Diagram

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet WIRING DIAGRAM SSR 2 SSR 1...
  • Page 36 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet 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...

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