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Duke IRHU Series, Owner'S Manual, Page: 1 / 24

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Owner’s Manual

Please read this manual completely before attempting 

to install, operate or service this equipment

This manual is Copyright © 2011 Duke Manufacturing Co. All rights reserved.  

Reproduction without written permission is prohibited. Duke is a registered  

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

 

MODELS 
IRHU-12

IRHU-22

IRHU-23

IRHU-41

IRHU

INFRARED

HOLDING UNIT

P/N 159038P

U.S Patent 7105779, 7227102 

Other U.S. and Foreign Patents Pending

Summary of Contents for IRHU Series

Page 1: ...production without written permission is prohibited Duke is a registered trademark of the Duke Manufacturing Co Duke Manufacturing Co 2305 N Broadway St Louis MO 63102 Phone 314 231 1130 Toll Free 1 8...

Page 2: ...OTENTIAL EARTHING TERMINAL EXPORT ONLY 9 DIGITAL TIMERS 9 DIGITAL TIMER DISPLAYS 9 OPERATING INSTRUCTIONS 10 PROGRAMMING MODE 10 Settings 10 SETUP MODE 11 Settings 11 CARE AND CLEANING 12 CLEANING GUI...

Page 3: ...tastetransfer Becausethecompartments aresealed nodisassemblyisrequiredforcleaningand product changes The unique design of the Duke IR Holding Unit allows theIRenergytobeprogrammedforeachcompartment Th...

Page 4: ...gs and cautions appear throughout this manual and should be carefully observed Turn the unit off disconnect the power source and allow unit to cool down before performing any service or maintenance on...

Page 5: ...0 230 11 7 IRHU 22XXXX 240 240 11 3 IRHU 23XXXX 208 245lbs 111 Kg 208 19 5 4050 IRHU 23XXXX 230 230 17 6 IRHU 23XXXX 240 240 16 9 IRHU 41XXXX 208 175lbs 80 Kg 208 13 2700 IRHU 41XXXX 230 230 11 7 IRHU...

Page 6: ...7 8 835 03 mm 23 3 4 603 25 mm 15 380 31 mm 509L COOKING APPLIANCE DE CUISINE UNDERWRITERS LABORATORIES INC IN ACCORDANCE WITH NSF NO 4 1999 IHRU 23 Twist Lock Plug Schuko Plug 603 25 mm 1214 81 mm 12...

Page 7: ...U 41 Twist Lock Plug Schuko Plug 2 1 8 53 98 mm 2 1 2 63 89 mm 29 7 8 759 mm 17 7 8 454 96 mm 1 1 8 29 91 mm 23 5 8 601 40 mm 509L LISTED APPLIANCE DE CUISINE ALSO CLASSIFIED BY UNDERWRITERS LABORATOR...

Page 8: ...Stop Note the style of pan stop varies by model 5 4 IRHU 12 IRHU 22 IRHU 23 Rear View 4 Programming Connection Port 5 Power Cord with Strain Relief IRHU 41 FEATURES 1 2 3 IRHU 41 Front View 1 Power O...

Page 9: ...To avoid risk of electrical shock or death this unit must be grounded and plug must not be altered EARTHING INSTRUCTIONS Grounding reduces risk of electric shock by providing an escape wire for the el...

Page 10: ...ime 11 Copying 6 Phase 2 Heat READ ONLY CALCULATED INTERNALLY BY ADDING PHASE HOLD TIMES 3 Enter and Exit Edit Mode ToentereditmodepressandholdtheDOWNarrow key for 3 seconds the solid RED LED will bli...

Page 11: ...ge the setting number Press the arrow keys on the left display View the values on the right display Press both keys Settings Setting 99 Duty Cycle Length Do Not Change Factory set at 06 03 30 seconds...

Page 12: ...g towels may harm the unit 1 Turn unit off and allow cooling for 10 minutes 2 Removeallholdingpansandwash rinseandsanitize at the 3 compartment sink Allow to air dry 3 Spray a sanitizer soaked towel w...

Page 13: ...depending on the programmed hold times Troubleshooting Check that the Warmer control powers up and the Warmer heats up If not call Duke Mfg for Warmer service at 314 231 1130 or 800 735 3853 Service...

Page 14: ...6 12 12 12 18 18 18 8 159149 Block Terminal 2 Bar 8 Tab with fuse holder 1 1 1 9 159077 Relay Mini FS24D20 06 2 4 6 10 600143 600145 Kit IRHU Control Ver 13 Kit IRHU Control Ver 16 1 1 1 1 1 1 11 159...

Page 15: ...15 Installation and Operation of IRHU 11 2 3 4 16 25 15 20 21 10 7 5 1 18 12 14 17 23 22 9 8 13 IHRU 22 Exploded View...

Page 16: ...12 12 8 159149 Block Terminal 2 Bar 8 Tab with fuse holder 1 9 159077 Relay Mini FS24D20 06 4 10 600143 600145 Kit IRHU Control Ver 13 Kit IRHU Control Ver 16 1 1 11 159080 Current Sensor with Connec...

Page 17: ...17 Installation and Operation of IRHU IHRU 41 Exploded View 13 12 18 16 15 7 3 4 24 17 23 2 14 8 9 22 20 21 10 1 5...

Page 18: ...Installation and Operation of IRHU 18 WIRING DIAGRAMS DUKE INFRARED HOLDING UNIT MODEL IRHU 12 208 240 VAC 50 60 HZ 1 PH...

Page 19: ...19 Installation and Operation of IRHU DUKE INFRARED HOLDING UNIT MODEL IRHU 22 208 230 240 VAC 50 60 HZ 1 PH...

Page 20: ...Installation and Operation of IRHU 20 DUKE INFRARED HOLDING UNIT MODEL IRHU 23 208 230 240 VAC 50 60 HZ 1 PH...

Page 21: ...21 Installation and Operation of IRHU DUKE INFRARED HOLDING UNIT MODEL IRHU 41 208 230 240 VAC 50 60 HZ 1 PH...

Page 22: ...SERVICE DUKE EMEA UK IRELAND NORDIC COUNTRIES Duke Manufacturing UK Ltd Unit 10 Greendale Business Park Woodbury Salterton Exeter EX5 1EW Phone 44 0 1395 234140 Fax 44 0 1395 234154 service exeter duk...

Page 23: ...23 Installation and Operation of IRHU NOTES...

Page 24: ...2 Jazlovice Ricany Building number DC 4 on the ProLogis Park Prague D1 West Prague 251 01 Czech Republic Phone 420 257 741 033 Fax 420 257 741 039 Duke EMEA UK Ireland Nordic Countries Duke Manufactur...

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