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PARTS AND SERVICE MANUAL

FOR

MERCO HOLDING CABINET

MODEL 86002

Merco Savory, Inc.

1111 North Hadley Road

Fort Wayne, Indiana 46804

United States of America

Phone: (260) 459-8200

U.S. Facsimile: (888) 790-8193

Int’l Facsimile: (260) 436-0735

Service Hotline: (800) 678-9511

www.mercosavory.com

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Summary of Contents for 86002

Page 1: ...R MERCO HOLDING CABINET MODEL 86002 Merco Savory Inc 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 260 459 8200 U S Facsimile 888 790 8193 Int l Facsimile 260 436 0735 Service Hotline 800 678 9511 www mercosavory com ...

Page 2: ...Holding Cabinet Service Manual 2 SPECIFICATIONS Model Voltage Amps Watts Hz Net Wt lbs kg Plug 86002 120 10 4 1250 60 30 14 6 Nema 5 15P FRONT VIEW SIDE VIEW TOP VIEW ...

Page 3: ...Holding Cabinet Service Manual 3 MHC 22 GEN CONTROL PANEL MODEL 86002 Bin Button 2 Bin Button 1 Bin Button 4 Bin Button 3 Program Button Time Button Temperature Button Down Arrow Button Up Arrow Button ...

Page 4: ...Holding Cabinet Service Manual 4 WIRING DIAGRAM ...

Page 5: ... Green and yellow conductor is ground Power is permanently supplied to the main power switch Heating Circuit Closing the main power switch supplies voltage to the power board and user interface Temperature is set through the user interface which then intermittently supplies 120VAC to the heater plates Temperature is then controlled by the thermocouples sending a reference signal back to the user i...

Page 6: ...esistance WITH POWER OFF To check resistance of the elements remove all leads from the elements and use a digital multimeter The element resistance should be as follows 120V 87 ohms Replace heating element shelf as needed Check thermostat common wire Please note that if thermostat is bad both circuits will be bad Temperature is too high Thermocouple Check for incorrectly wired thermocouple Thermoc...

Page 7: ...nect thermocouple and all power connections to board Mark all wires for reassembly 4 Take out power board 5 Take out shelf mounting screws from both sides 6 Remove shelves and feed wiring out of unit 7 Reassemble in reverse order USER INTERFACE U I BOARD REPLACEMENT 1 Remove four 4 screws 2 Disconnect thermocouples 3 Disconnect ribbon cable 4 Remove board 5 Reassemble in reverse order WARNING Be c...

Page 8: ... Plastic K 340025 Tray Cover Front Retention Rod Assembly L 10000968 Side Insulation M 340048 Top Bottom Insulation N 10000966 Heater Insulation O 10000946 02 Lower Shelf Assembly P 340051 Upper Upper Shelf Assembly Q 340052 Lower Upper Shelf Assembly R 340053 Rod Rear Tray Seal Retainer S 000171 Strain Relief Not Shown 340054 Power Cord NEMA 5 15P Not Shown 340055 Ribbon Cable Power Board to Inte...

Page 9: ...Holding Cabinet Service Manual 9 GENERAL VIEW ...

Page 10: ...ting zone for each bin Press Bin select button to select bin containing heating zone to be calibrated Note Bin display will alternate between showing temperature and calibration offset As the calibration offset is changed the temperature displayed will reflect this Use the Up and Down buttons to make the displayed temperature match the actual temperature as independently measured To apply the temp...

Page 11: ...cted Lower heater zone is good Er22 Indicates Upper and Lower heater zone TC s detected open Cold Indicates Temperature of heater zone is below set point Hot Indicates Temperature of heater zone is above set point Once and error is indicated for a heater zone the affected heater is shut off The only way to clear an error indication is by cycling the power off then on again To reset the holding bin...

Page 12: ...anual 12 Merco Savory LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Telephone 260 459 8200 U S Facsimile 888 790 8193 Int l Facsimile 260 436 0735 Service Hotline 800 678 9511 www mercosavory com ...

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