Duke FLEXTECH FTU-5 Owner's Manual
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Duke FLEXTECH FTU-5 Owner's Manual

Duke FLEXTECH FTU-5 Owner's Manual

Humidified holding cabinet stacked configuration
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FLEXTECH™
HUMIDIFIED
HOLDING CABINET
STACKED
CONFIGURATION
Model:
FTU-5
IMPORTANT INFORMATION, READ BEFORE USE.
This manual is Copyright © 2014 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 169696B
07/16/2014

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Summary of Contents for Duke FLEXTECH FTU-5

  • Page 1 FTU-5 IMPORTANT INFORMATION, READ BEFORE USE. PLEASE SAVE THESE INSTRUCTIONS. This manual is Copyright © 2014 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 ....................19 CARE AND CLEANING .......................22 DOOR ADJUSTMENTS AND GASKET MAINTENANCE ...........25 PROGRAMMING CONTROLS ....................27 ERROR FAULT MESSAGING .....................30 TROUBLESHOOTING .......................36...

  • 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 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. ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRIC CODE AND/OR ALL LOCAL ELECTRIC CODES.
  • Page 6 • 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 7 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet • Do not block any openings on the unit. • A minimum clearance of 2″ (50.8mm) from the top of the unit to the ceiling must be provided. • Unit may start operation with inadvertent contact with touch screen display or from other extraneous sources.

  • Page 8: Specifications

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet SPECIFICATIONS Patent Pending Unit Weight: 285 lbs / 129 kg Model FTU-5 Maximum Unit 335 lbs / 152 kg Weight With Food Line Ratings - FTU with Touch Screen Control Line Supply...
  • Page 9 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet STACKED CONFIGURATION 64.6mm 64.6mm 82mm 2.54in 88.7mm 2.54in 3.23in 3.49in WATER INLET ELECTRICAL INLET 926.6mm 614.8mm 36.48in 24.20in 1990mm 1955mm 78.35in 76.97in 2082.1mm 2047.1mm 81.97in 80.59in...

  • 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 5 SHELVES REMOVABLE SPILLAGE PAN ACTIVE VENT HIGH LIMIT PROTECTOR...

  • 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 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet UNIT STACKING INSTRUCTIONS 1. Disconnect power by removing plug from wall outlet. 2. Remove the black side panels from both the UPPER unit (with 2 power cords) and the LOWER unit (with casters) by removing the 6 screws per side.
  • Page 13 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet The LOWER unit power jumper harness is attached and enclosed in the UPPER unit. Route the jumper harness downward through the hole aligned in the UPPER unit base as shown. 10. Reinstall all panels.
  • Page 14 ELECTRICAL CONNECTIONS it must be replaced by a special cord or a special cord assembly available from The US FTU models are factory wired for 208 Duke Manufacturing Co. or its service Volts AC, single phase, 60 Hz. agent. BEFORE CONNECTING...
  • Page 15 (50.8mm) from the top of unit to the ceiling must be provided. Unit may be installed NOTE: The Duke Flex Tech Humidified with minimal clearance on both sides of Holding Cabinet must be supplied with the cabinet.
  • Page 16 MOUNTING Duke Reverse Osmosis (RO) System Model BRACKET LOCATION 2. A single Duke RO System is able to support up to five Duke Flex Tech Humidified Holding Cabinets. 3. For detailed installation instructions of the RO system, see the instructions provided with the Duke Reverse Osmosis System.
  • Page 17 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet THREADED BRACKET THREADED BRACKET SCREWS 3. Move FTU to Operating Position, be sure the Threaded bracket can slide flush to 8. Move FTU to Operating Position. wall. 9. Re-attach screws from step 7 and tighten 4.
  • Page 18 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet NOTE: The unit will not attempt to START-UP humidify the cabinet until preheat is complete. Additionally, at the same time, WARNING a 10 min. (or until the set point is reached) SOAK CYCLE is initiated to equalize the ELECTRICAL SHOCK HAZARD.

  • Page 19: 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 20 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 21 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 22: Care And Cleaning

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet CARE AND CLEANING 2. Disconnect power by removing plug from WARNING the wall outlet. THE MAIN SWITCH ON THE 3. Clean stainless steel exterior with stainless APPLIANCE IS FOR STANDBY steel cleaner or polish, or with hot soapy POWER ONLY.
  • Page 23 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet SENSOR AND HUMIDITY SENSOR ON THE LEFT SIDE WALL CAN BE Any degree of hard water will DAMAGED BY IMPACT OR BENDING leave a lime scale residue on the sides AND SATURATION WITH WATER OR and bottom of the humidification cylinder CLEANING FLUIDS.
  • Page 24 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet PERFORMANCE AND EFFICIENCY OF THE HUMIDIFICATION SYSTEM. 1. Verify or place the Main Switch in the “STANDBY” position. 2. Disconnect power by removing plug from the wall outlet. 6. Make sure to remove any soilage and/or 3.

  • Page 25: Door Adjustments And Gasket Maintenance

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet DOOR ADJUSTMENTS AND GASKET MAINTENANCE DOOR GASKET GAPS / LEAKS The doors should be checked for leaks every week. The adjustment can be made by following the instructions below. If the door gasket is damaged or compressed permanently, it should be replaced.
  • Page 26 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet 3. Reassemble the door as follows: 5. The door hinges have cams so they are self closing. Being careful to not damage a. Reinstall the hinges and door latch or score the plastic cams, using either a...

  • Page 27: 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 28 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 29 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 30: 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 31 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 32 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet Final Warning Third Warning • After taking corrective measures, wait for • Remove Product and Call for Service possible recovery. If recovery occurs, error faults will clear. Alternate Final Warning • Indicates humidity heater fault Alternate Third Warning •...
  • Page 33 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet HIGH HUMIDITY LOW TEMPERATURE First Warning First Warning • Possible cause, adding product or recipe • Check doors, if open, close doors. change • Wait for possible recovery • Wait for possible recovery...
  • Page 34 Check the Over Temperature Safety Limit • Remove Product and Call for Service Switch. Push button to reset if tripped. • If condition persists, call Duke Service. Fourth Warning • After taking corrective measures wait for possible recovery. If recovery occurs error...
  • Page 35 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet HIGH TEMPERATURE CRITICAL SENSOR FAULTS First Warning • Possible cause, adding product or recipe change • Wait for possible recovery to set point Final Warning • Turn the unit “OFF” • Remove Product and Call for Service •...

  • Page 36: 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 37 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 38: Wiring Diagram

    Owner's Manual for DUKE FlexTech Humidified Holding Cabinet WIRING DIAGRAM P/N 169694           ...
  • Page 39 Owner's Manual for DUKE FlexTech Humidified Holding Cabinet NOTES:...
  • Page 40 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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