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7

RFHU - Multiuse Operator’s Manual

STACKING UNITS

The RFHU is designed to allow limited stacking capabilities. This section outlines how to safely stack the 

holding unit.

 TIP HAZARD! DO NOT STACK RFHU-42 OR 

RFHU-34 UNITS. DO NOT EXCEED 2 HOLDING UNITS 

PER STACK. DO NOT PLACE HOLDING UNIT STACKS ON 

SURFACES THAT MAY EASILY TIP OVER.

Place bottom unit into position then stack the next unit 

on top. The top of the lower holding unit rests inside of 

the base of the upper unit.

 Step 1

Remove the base pan from the unit that will be on top. The pan 

is held in place by four screws on the bottom of the unit.

 Step 2

PROPER USE OF HEATSINK

TM

 COVERS 

Proper usage of each is important and is outlined below:

Product Type

Dedicated 1/3 Size Lid Option

Multi pan Flexible Lid Option

Broiled and Grilled

Solid Lid

Solid Lid

Fried

No Lid

Vented Lid

Consult your Kitchen Operations Manual for any modifications to the above based on your specific food 

requirements. 

Summary of Contents for ReadyFlex RFHU-35M

Page 1: ...l rights reserved Reproduction without written permission is prohibited Duke is a registered trademark of the Duke Manufacturing Co CAUTION Please read this manual completely before attempting to install operate or service this equipment Installation and Operation Manual WARNING for CA residents go to www dukemfg com prop65 for prop 65 warning ...

Page 2: ...heating 9 Faults 9 Units With Timer Bars 11 RFHU Daypart Menu 12 Settings 13 Menu 13 Temp Mode 13 PHU Configurator 13 Language 14 RHFU Recipe Editor 14 Help 14 About 15 Tools Menu 15 Network 15 Access Menu 18 Admin 18 Temp Offset 18 PHU Volume 19 Duke Connected Equipment Platform DCEP Programming 20 USB Programming 21 Cleaning Guide 23 Temperature Check Procedure 25 RFHU Specification 26 Wire Diag...

Page 3: ...nd patent pending flexible lid system the ReadyFlex holding unit is multi pan capable both 2 5 and 4 deep pan configurations can adapt to hold 1 3 1 2 and full size pans in addition to 13x18 sheet pans The Multi pan feature is configurable and programmed without the use of any additional parts or tools The easy to use easy to learn touchscreen user interface is visual smart intuitive and colorful ...

Page 4: ...ns in this manual use the following guidelines for safe operation of the unit Read all instructions before using equipment For your safety the equipment is furnished with a properly grounded cord connector Do not attempt to remove or disconnect the grounded connector Install or locate the equipment only for its intended use as described in this manual Do not use corrosive chemicals on this equipme...

Page 5: ...ess they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Contains Transmitter Module FCC ID 2AQ2Q MUR1LVUFL Contains Transmitter Module IC Still need This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept...

Page 6: ...t fryer Install unit on level counter top surface Outlet should be located so that plug is accessible when the unit is in place Do not install unit in the direct path of air conditioned airflow The following minimum clearances must be maintained between the warmer and any combustible or non combustible substance Proper airflow around unit will cool the electrical components With restricted airflow...

Page 7: ...the next unit on top The top of the lower holding unit rests inside of the base of the upper unit Step 1 Remove the base pan from the unit that will be on top The pan is held in place by four screws on the bottom of the unit Step 2 PROPER USE OF HEATSINKTM COVERS Proper usage of each is important and is outlined below Product Type Dedicated 1 3 Size Lid Option Multi pan Flexible Lid Option Broiled...

Page 8: ...ed the runtime screen will load Different types of information are found on the runtime screen Details below When the unit first boots each well will contain a preheating icon This indicates the well is heating to temperature When the recipe temperature is reached the preheat icon will clear and the well will be ready for use OVERVIEW In this instance a 3X4 RFHU has been detected A 3X4 has a layou...

Page 9: ...time screen When selected these will change the recipe display For example during Breakfast hours you may hold different recipes to lunch or dinner Changing from Menu 1 to Menu 2 will change all non running programmed recipes name to the new menu layout If a well is currently running and the menu is changed the new recipe name will not take effect until the well has been stopped or expired and cle...

Page 10: ...the well will be ready for use FAULTS On occasion faults may occur on the RFHU If a fault occurs an indicator will appear on the well and the well will not be usable cannot start stop timers 1 Top Heater High Temperature Fault 2 Top Heater Low Temperature Fault 3 Bottom Heater High Temperature Fault 4 Bottom Heater Low Temperature Fault 5 CAN Error Fault 6 Back Screen Disconnected Each fault will ...

Page 11: ...nked to 3 Pan Display a In startup mode it will display spinning bars then transition to PRE HEAT and then cycle through the bottom actual temp and top actual temp b Once unit reaches the recipe set points it will display product name If associated recipe requires a lid display will toggle prod name lid c Unit will display product name and hold time remaining display will alternate between the two...

Page 12: ... set point top 4 3RD button press will display TIME receptive in minutes 5 4TH button press will display LID ON or OFF 6 5TH button press will display COOK MORE TIME cook more time in minutes 7 6TH button press will display FIRM actual firmware version 8 7TH button press will display LED display will light all LEDs in a testing sequence RFHU OPERATING INSTRUCTIONS Continued WILL CYCLE THE UNIT THR...

Page 13: ... 3 Menu Temp Mode PHU Configurator When the user loads the RFHU Config menu option within Settings the following screen will appear In the same way as the runtime screen the unit s configuration for example 3X4 will be detected and displayed The PHU config option allows the recipe mapping of each well to be modified for each menu The number in the middle of each zone along with the color indicates...

Page 14: ...ipt has stopped expired or been cleared Language Setting This is reserved for future use and will allow RFHU users to change the language display on all screens Language RFHU Recipe Editor Selecting the Recipe Config option will display the list of local recipes currently stored on the unit These are sorted alphabetically Key information on each recipe is displayed on this screen view This include...

Page 15: ...ork connection to be configured After selecting Network Config the following screen will load Network Config can be set to Read Only mode if the access is locked within Tools menu Alternatively if Network is unlocked in the Access menu then changes can be made to the selected network The RFHU supports both WiFi and Ethernet connec tions In each network mode both automatically assigned IP addresses...

Page 16: ...WiFi For example To change to WiFi select the WiFi icon near the top of the Network Config screen A list of available WiFi SSID s will then appear To connect to a WiFI SSID click on the SSID name The Wifi SSID password will then be required Press anywhere within the Enter Password box to load the on screen keyboard to enter the WiFi password ...

Page 17: ...ect icon in the lower left hand corner of the RFHU or alternatively click on another WiFi SSID to join a different WiFI network WiFi password entry will then be required The DHCP toggle is available for both ethernet and WiFI connections By default DHCP will be selected Instead of being assigned an IP address automatically a static IP address will allow the network settings IP Address Subnet Mask ...

Page 18: ...iting existing recipe settings delete a recipe or adding a new recipe will not be available Admin The Admin options is reserved for future use Temp Offset The Temperature Offset function will allow the temperature offset to be adjusted per ZONE on the selected RFHU After selecting the TEMP OFFSET function the following screen will appear The screen will be divided into a grid like display Instead ...

Page 19: ...appears the TOP and BOTTOM current temperature offset value will appear The actual temperature read from the RFHU for both the top and bottom heaters will also appear The edit icon will load the offset editor screen for either Top Offset or Bottom Offset Once again the current temperature will be displayed The current offset value will also be displayed The and can be selected to increase the offs...

Page 20: ...using its serial number and API key which can be found on the unit itself After logging onto the DCEP all connected devices within the account will be displayed Multiple RF HU s are possible to be loaded within the account After selecting the Dashboard icon to connect to a specific RFHU the programming grid will appear As this is a connected unit the unit configuration will be detected automatical...

Page 21: ...ere it is updated in real time NOTE H1 Bottom Heat Only Unit Configurations H2 Top and Bottom Heat Unit Configurations You must select the proper configuration for your unit In some cases the connected RFHU unit may not be online and connected to the DCEP If this is the case the RFHU recipe and programming settings can be modified on the actual unit UI or alternatively the RFHU Offline Configurato...

Page 22: ...tions You must select the proper configuration for your unit When a selected PHU configuration is selected the appropriate programming grid will appear For example a 2x4 will appear as These include This can then be programmed in the same way as the online RFHU For example When finished select DOWNLOAD PHU CONFIGU RATION FILE option This will create a RFHU RCP file which contains both the recipe l...

Page 23: ...alts and household and industrial cleaners If cleaners containing chlorides are used be sure to rinse repeatedly and dry thoroughly upon completion Routine cleaning of stainless steel can be done with soap and water Extreme stains or grease should be cleaned with a non abrasive cleaner and plastic scrub pad It is always good to rub with the grain of the steel There are also stainless steel cleaner...

Page 24: ...g is performed routinely deeper more aggressive cleaning methods can be avoided Over longer periods of time fried food product can accumulate and bake on to the upper heat sink surfaces of the compartments 6 Use a sanitizer soaked towel and wipe out all compartments on the holding unit Wipe top compartments first and then lower compartments IMPORTANT Use clean sanitizer soaked towels Important tow...

Page 25: ...e on the bottom of the first cavity Position the probe half way back on the heat sink beneath the rail as shown The top readings should be taken on either side of the rail half way back on the heat sink Four wide units require 2 readings left and right side 5 All temperature controls exhibit a swing in temperature as the control cycles on and off while regulating to the set point The correct calib...

Page 26: ...EAT DIMENSIONS Model 208 240 V 60Hz 220 240V 50 60Hz Amps NEMA Amps IEC RFHU 35M 17 3 20 0 L6 30P 18 3 20 0 60309 Model Row 1 2 1 2 size pans 2 1 3 size pans 2 5 deep Rows 2 3 2 1 2 size pans 2 1 3 size pans 4 deep Height Width Depth body only Depth With Timer Bar in cm in cm in cm in cm RFHU 35M 19 3 49 0 40 0 101 6 14 1 35 8 17 3 43 9 ...

Page 27: ...Well 3 4 Bottom Well 5 6 Top Well 7 8 Top Well 5 6 Bottom Well 7 8 Bottom Middle Row Bottom Row Well 9 10 Top Well 11 12 Top Well 9 10 Bottom Well 11 12 Bottom Well 5 6 Bottom Well 5 6 Top Well 7 8 Bottom Well 7 8 Top Well 9 10 Bottom Well 9 10 Top Well 11 12 Bottom Well 11 12 Top Well 1 2 Bottom Well 1 2 Top Well 3 4 Bottom Well 3 4 Top 5Vdc CAN _ H CAN _ L GND 1 2 3 4 4 3 2 1 5Vdc CAN _ H CAN _ ...

Page 28: ...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 RFHU Multiuse Operator s Manual ...

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