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MHC-22 Holding Cabinet Items 86002 & 86003
Service, Installation and Operation Manual
Please read this manual completely before attempting to install or operate this equipment!
Notify carrier of damage!
Inspect all components immediately.
Important Information
Read Before Use
CAUTION
Please Save These Instructions!
February 2014
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Table of Contents
Related Manuals for Merco MHC-22
Summary of Contents for Merco MHC-22
- Page 1 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation and Operation Manual Please read this manual completely before attempting to install or operate this equipment! Notify carrier of damage! Inspect all components immediately. Important Information Read Before Use CAUTION Please Save These Instructions!
- Page 2 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Important Warning And Safety Information WARNING Read This Manual Thoroughly Before Operating, Installing, Or Performing Maintenance On The Equipment. WARNING Failure To Follow Instructions In This Manual Can Cause Property Damage, Injury Or Death.
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Page 3: Table Of Contents
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Contents Receiving & Inspecting The Equipment ........3 Serial Number Information ............4 Warranty Information ..............4 Regulatory Certifications ............4 Specifications ................5 Installation .................. 6 Control Panel ................7 Operation .................. -
Page 4: Serial Number Information
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Serial Number Information MHC-22 holding cabinet serial numbers are located on the data plate that also includes the model number. The data plate is located on the rear of the unit. -
Page 5: Specifications
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Specifications Net Wt. Ship Wt. Item/Sku Model/Description V-Hz-Ph Watts Amps Plug Type lbs/kg lbs/kg NEMA 86002 MHC-22 120-60-1 1250 10.4 30/14 35/16 5-15P 86003 MHC-22, CE 230-50-1 1250... -
Page 6: Installation
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Installation Site Preparation Choose a well-ventilated location. Place the holding cabinet on a suitable table or counter capable of supporting the weight of 30 lbs. or 14 kg. The power supply must be in accordance with the specifications on the data plate located on the rear of the appliance. -
Page 7: Control Panel
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Control Panel Bin 2 Button Bin 1 Button Up Arrow Button Program Button Down Arrow Button Time Button Temperature Button Bin 3 Button Bin 4 Button On/Off Button... -
Page 8: Operation
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Operation The Merco Holding Cabinet has been designed to afford Action Instructions foodservice operators the ability to cook menu components in Silence Alarm for Locate bin displaying Attn and press... -
Page 9: Quick-Start Programming Instructions
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Quick–Start Programming Instructions Pre-Programmed Menu Items 1. Part One – Assigning A Food Item Name Into Memory For your convenience, the Merco Holding Cabinet has been pre- Part one allows you to create a food product name you wish programmed with numerous food items that might be useful to save in memory. - Page 10 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Quick–Start Programming Instructions, continued Upper & Lower Temperature Settings For Food Product Part One: Creating A Food Product Name Step Button Instruction Each product bin has upper and lower heating elements that provide the heat necessary to hold your food product.
- Page 11 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Quick–Start Programming Instructions, continued Food Product Cook Time And Dump Time Part Two: Assigning Upper & Lower Temp Settings For Food Product The MHC-22-GEN unit has been designed to provide the...
- Page 12 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Quick–Start Programming Instructions, continued Storage Bins For Food Product Part Three: Assigning Cook Time And Dump Time Settings For Product With the MHC-22-GEN unit, a total of 32 separate food items can...
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Page 13: Maintenance
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Maintenance Disconnect power supply before servicing or 3. Lower front of bin lid. cleaning this unit. Safeguard power so it cannot be accidentally restored. Failure to do so could result in DANGER serious injury. - Page 14 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Maintenance, continued Stainless Steel Care and Cleaning Plastic Tray Cleaning To prevent discoloration or rust on stainless steel several Food-approved detergents can be used if they are diluted per important steps need to be taken.
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Page 15: Application Guide
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Application Guide The guide shown below contains food items that have been pre-programmed at the factory for your convenience. Please note that this is meant to be a guide and that minor adjustments may be necessary to meet your specific quality requirements.. We recommend that you test these items and adjust settings as needed. -
Page 16: Personalized Product Settings
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Personalized Product Settings The following chart has been provided as a reference tool for future use if you decide to create new menu items separate from what have been pre-programmed. We recommend writing the food item characteristics in the chart below to use as a quick reference tool. -
Page 17: Troubleshooting
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Troubleshooting Symptom Possible Cause Evaluation Holding Cabinet will not heat Incoming Power Supply Verify power cord is secured firmly in receptacle. Measure the incoming voltage. Check circuit breakers. Reset if required. -
Page 18: Diagnostic Mode
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Diagnostic Mode Press and hold down the Temperature button until you hear a Thermocouple Fault Detection short, double-beep sound. In this mode all displays indicate The thermocouple (TC) fault detection logic is disabled for 10 temperatures for either the upper or lower heaters for each bin. -
Page 19: Wiring Diagram
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Wiring Diagram Sequence Of Operation Power Supply Electrical power is supplied to the unit by a 3 conductor service for single phase. 120VAC Black conductor is hot. White conductor is neutral. -
Page 20: Replacement Parts
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Replacement Parts Key Part Number Part Description Key Part Number Part Description MER340040 Back Panel Assembly MER10000946-02 Lower Shelf Assembly-120V MER340041 Side Panel MER90001079 Lower Shelf Assembly-230V MER340042... -
Page 21: Replacement Instructions
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Replacement Instructions Heat Shelf Replacement 1. Disconnect power. 2. Take out screws holding L Brackets in cavity. 3. Disconnect thermocouple and all power connections to board. Mark all wires for reassembly. -
Page 22: Notes
MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Notes For customer service, call (989) 773-7981, (800) 733-8829, Fax (989) 773-3210, www.mercoproducts.com... - Page 23 MHC-22 Holding Cabinet Items 86002 & 86003 Service, Installation And Operation Manual Notes For customer service, call (989) 773-7981, (800) 733-8829, Fax (989) 773-3210, www.mercoproducts.com...
- Page 24 Register your Merco warranty online. Go to www.mercoproducts.com under the service tab to complete. 980 S. Isabella Rd., Mt. Pleasant, MI 48858, U.S.A. • (989) 773-7981 or (800) 733-8829 • Fax (989) 773-3210 • www.mercoproducts.com Merco reserves the right to make changes in design or specifications without prior notice. ©2014 Merco. All rights reserved. Printed in the U.S.A. DMMOMHC22 02/14 9291486...
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