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Document #  G_EO_OM_CONVECTION_4605649 – 11/20

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1.  Preheat oven thoroughly (approx. 20 minutes) before use.

2.  As a general rule, temperature should be reduced 25° 

to 50° from that used in a standard/convection oven. 

Cooking time may also be shorter, so we suggest closely 

checking the first batch of each product prepared.

3.  Use the chart of suggested times and temperatures as 

a guide. These will vary depending upon such factors 

as size of load, temperature, and mixture of product 

(particularly moisture) and density of product.

4.  Keep a record of the times, temperature, and load sizes 

you establish for various products. Once you have 

determined these, they will be similar for succeeding 

loads.

5.  When practical, start cooking the lowest temperature 

product first and gradually work up to higher 

temperatures.

6.  If you find that your previous temperature setting is more 

than 10° higher than needed for succeeding loads, COOL 

DOWN to reach the desired temperature before setting a 

new cooking temperature.

7.  When loading oven, work as quickly as possible to 

prevent loss of heat.

8.  Oven will continue to heat even though the timer goes 

off. Product should be removed from the oven as soon as 

possible to avoid over cooking.

9.  Center pans on racks and load each shelf evenly to allow 

for proper air circulation within the cavity.

10. When baking, weigh or measure the product in each pan 

to assure even cooking.

11. When cooking six pans, use rack positions 1, 4, 6,8,10 and 

12, starting from the top.

12. Do not overload the oven. Six pans are suggested for 

most items, i.e., cakes, cookies, rolls, etc. However, the 

maximum (13 pans) may be used for fish sticks, chicken 

nuggets and hamburgers. Cooking times will have to be 

adjusted.

13. Muffin pans should be placed in the oven back to front 

or with the short side of the pans facing the front. This 

results in the most evenly baked product.

14. When re-thermalizing frozen casseroles, preheat the oven 

100° over the suggested temperature. Return to cooking 

temperature when the oven is loaded. This will help 

compensate for the introduction of a large frozen mass 

into the cavity.

15. Use pan extenders or two inch deep 18” x 26” pans for 

batter type products which weigh more than eight 

pounds, i.e., Pineapple Upside down Cake.

16. Never place anything directly on the bottom of the oven 

cavity. This obstructs the airflow and will cause uneven 

results.

17. Never operate the oven if any of the exterior covers are 

removed. These covers are necessary for protection 

against exposure to live electrical parts and should 

only be removed when the oven is being serviced by a 

qualified service personnel. 

18. This is a commercial cooking oven not intended for non 

commercial cooking installations or non food products. 

19. Use appropriate food pans and trays for ovens.

20. Use oven mitts when adding or removing trays/pans from 

oven when oven is operational. 

21. Use care when removing product from the oven to 

prevent spills which could cause serious inquiry to bare 

skin and eyes. Higher rack levels on ovens are at eye level. 

22. Exterior oven exteriors will become hot during operation 

caution should be observed.

23. Proper weight handling and distribution of product in 

tray or pan will prevent sudden shifts in product to avoid 

spills and inquiry. 

24. Do not operate ovens blower fan guard has been 

removed. 

25. Oven operation sound pressure level should not  exceed 

70 dB(A).

Note: Moisture will escape around the doors when baking 

products with heavy moisture content, such as chicken, 

potatoes, etc. This is normal.

PERFORMANCE RECOMMENDATIONS AND GENERAL SAFETY 

PRECAUTIONS

Summary of Contents for Master MCO-ES-10S

Page 1: ...s updated as new information and models are released Visit our website for the latest manual Bring Your Passion to the Surface Master Series Full Size Electric Convection Ovens models MCO ES 10S MCO E...

Page 2: ...INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH READ THE INSTALLATION OPERATING AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVIC...

Page 3: ...llation of Double Deck Models 8 Electrical Connections 9 OPERATING INSTRUCTIONS 10 Master 200 Solid State Control with Electromechanical Timer 10 Electronic Control 11 Start Up 11 Press and Go Menu 11...

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Page 5: ...with the factory or your local authorized factory service center regarding service problems or replacement parts be sure to refer to the particular unit by the correct model number including the prefi...

Page 6: ...0 30 28 26 26 24 14 14 13 15 13 13 16 14 14 MCO ED 10M 10 4 50 43 30 30 28 26 26 24 14 14 13 15 13 13 16 14 14 Total kW rating for 380 3 phase models is 9 0 Model Interior Dimensions per oven Exterior...

Page 7: ...or Dimensions Ship Info W In mm H In mm D In mm W In mm H In mm D In mm Lbs Kg Cu Ft MCO ES 10S 29 436 24 610 24 610 38 965 57 1 2 1416 41 1 4 1048 515 230 64 MCO ES 20S 29 436 24 610 24 610 38 965 70...

Page 8: ...s for Movable Appliances ANSI Z21 69 Adequate means must be provided to limit the movement of the appliance without depending on the connector wiring B The front casters of the unit are equipped with...

Page 9: ...e line will enter through the rear of the unit and is to be connected to the terminal block see diagram The terminal block is accessed by removing the lower front cover Removal of the body side is not...

Page 10: ...l panel This is a momentary switch and the lights will stay lit as long as this button is held in the on position Lights will work whenever there is electrical power connected to the oven Cool Down Pr...

Page 11: ...the control will pause and the display will indicate door is open symbol see photo 3 until the door is closed This is a patented safety feature This period of pause allows time for removing product an...

Page 12: ...hoto 8 Set secondary cook timer 24 hour timer to allow for different cook times for different rack positions photo 6 Turn interior light on off light symbol photo 4 and 8 Select Cook Hold temperature...

Page 13: ...The display will show the hold temperature in red At the end of the cook cycle an audible alarm will sound and the display will change to count up the time the oven is on hold The oven will switch to...

Page 14: ...o be adjusted 13 Muffin pans should be placed in the oven back to front or with the short side of the pans facing the front This results in the most evenly baked product 14 When re thermalizing frozen...

Page 15: ...ghtly Do not open doors too often or for long periods Cake ripples Overloading pans or batter is too thin Cakes are too coarse Lower oven Temperature Pies have uneven color pans Reduce number of pies...

Page 16: ...min Gingerbread 300 24 min Apple Turnovers 350 25 min Cream Puffs 300 25 min Sugar Cookies 325 12 min Chocolate Chip cookies 375 8 min Apple Pie Fresh 375 25 min Blueberry Pie Fresh 350 30 min Bluebe...

Page 17: ...Medium 8 2 5 3 5 1 5 2 1 25 1 5 9 2 75 3 75 1 75 2 25 1 25 1 75 10 3 4 25 2 2 5 1 5 1 75 11 3 25 4 5 2 2 75 1 5 1 75 12 3 5 5 2 25 3 1 5 2 13 3 75 5 2 5 3 25 1 5 2 25 14 4 5 75 2 5 3 5 1 75 2 5 15 4 2...

Page 18: ...and water using a non metallic scouring pad if necessary If dirt and grease have accumulated a mild ammonia solution or commercial oven cleaner such as Easy Off or Dow may be used 5 To reinstall rever...

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Page 20: ...ment G_EO_OM_CONVECTION_4605649 11 20 Welbilt offers fully integrated kitchen systems and our products are backed by KitchenCare aftermarket parts and service Welbilt s portfolio of award winning bran...

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