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Master Series
Full-Size Gas Convection Ovens
Installation, Operation and Maintenance Manual
This manual is updated as new information and models are released. Visit our website for the latest manual.
models
MCO-GS-10
MCO-GS-10S
MCO-GD-10S
MCO-GS-20S
MCO-GD-20S
MCO-GS-10
MCO-GD-10
MCO-GS-20
MCO-GD-20
Part Number 1955200 rev 7 4/15

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  • Page 1 Master Series Full-Size Gas Convection Ovens Installation, Operation and Maintenance Manual This manual is updated as new information and models are released. Visit our website for the latest manual. models MCO-GS-10 MCO-GS-10S MCO-GD-10S MCO-GS-20S MCO-GD-20S MCO-GS-10 MCO-GD-10 MCO-GS-20 MCO-GD-20 Part Number 1955200 rev 7 4/15...
  • Page 2: Safety Notices

    Users are cautioned that maintenance and repairs must be performed by a Garland authorized service agent using genuine Garland replacement parts. Garland will have no obligation with respect to any product that has been improperly installed, adjusted, operated or not maintained in accordance with national and local codes or installation instructions provided with the product, or any product that has its serial number defaced, obliterated or removed, or which has been modified or repaired using unauthorized parts or by unauthorized service agents.
  • Page 3: Table Des Matières

    CONTENTS SAFETY NOTICES..... . . 2 Fahrenheit/Celsius..... . . 13 Operating the Controls .
  • Page 4 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 5: General Information

    Casters (set of 4) with front MCO-GD-20 brakes Warranty • Extra oven rack Visit www.Garland-Group.com to view or download a copy of your warranty. Serial Plate Location • Deck fasteners for stainless When corresponding with the factory or your local authorized...
  • Page 6: Installation

    SINGLE DECK FR ONT VIEW 5. Garland recommends a separate 15 AMP circuit for each 120V unit. Gas Input ratings shown here are for installations up to 2,000-ft. (610m) above sea level. Specify altitudes over 2,000 ft. Commercial cooking equipment requires an adequate ventilation system. For additional information, refer to the National Fire Protection Association’s standard NFPA96, “Vapor Removal from Cooking Equipment.”...
  • Page 7: Entry Clearance

    NOTE: When checking pressure be sure that all other equipment on the same gas line is on. An internal pressure NOTE: Always provide adequate clearance for maintenance regulator is supplied with GARLAND Convection Ovens. and operation. Regulator is preset to deliver gas at pressure shown on the rating plate.
  • Page 8: Installation Of Double Deck Models

    INSTALLATION Continued Installation Of Double Deck Models 90 Degree Street Elbow A. Position insert in bottom leg opening and tap insert up into leg till it seats at collar. Attach six inch (6") legs to lower oven section. Raise unit or lay on its left side. Place the front legs on the oven so as to line up with four (4) 20-1/2"...
  • Page 9: Gas Connection

    INSTALLATION Continued Gas Connection When the installation of a canopy type exhaust hood is impossible the oven may be direct vented. Before direct The 1" NPT inlet at the rear must be considered in piping the venting check your local codes on ventilation, in the absence gas supply for double stack units or ¾"...
  • Page 10: Testing & Lighting Instructions

    INSTALLATION continued Less than 10 feet (3 meters) More than 10' (3 meters) 2' (60cm) Min. 3' (90cm) Min. 3' (90cm) Min. Termination Less than 10 feet (3 meters) from ridge Termination More than 10 feet (3 meters) from ridge Testing &...
  • Page 11: Operation

    OPERATION Master 200 Solid State Control With Electromechanical Timer In Off Mode When the oven is off , there are no lights or indicators. Start Up Press the Cook/Off /Cool Down rocker switch to the “Cook” position. The green lamp will light indicating the oven is powered in cook mode.
  • Page 12: Timer

    OPERATION Continued Timer The timer is set by rotating the dial clockwise aligning the indicator to the desired time cycle. The timer will count down from 2 minutes to 60 minutes. At the end of the timing cycle the buzzer will sound. The buzzer is turned off by rotating the dial counter-clockwise to the off position as shown on the control panel.
  • Page 13: Fahrenheit/Celsius

    OPERATION continued Pressing the FAN PULSE key will activate the lower fan speed and light its LED. The fan will be active for 30 seconds then off for 30 seconds, and continues this cycle. Pressing the SETBACK key will cool the oven cavity to a preprogrammed temperature, see: Setting "Set-Back"...
  • Page 14: Cook-N-Hold Operation

    OPERATION Continued Pressing the START/CANCEL key will start the timing cycle. When the core temperature is reached, the display will sound The display will count down from the Set time in minutes and fl ash "DONE" for 3 seconds. Automatically, the display and seconds (solid colon) or hours and minutes (blinking will switch to count "UP”...
  • Page 15: Programming Product Keys (Master 475)

    OPERATION Continued 10. Press SET key - ready to cook 11. Press START/CANCEL to begin manual cooking Programming Product Keys (Master 475) NOTE: Cooking time(s) is the element of the program that tells the controller that other information (temperature, fan speed, etc.) will be inputted into the controller.
  • Page 16: Cooking Using The

    OPERATION Continued Press the product key - PR-2 will be displayed followed by Verifying hold time (Master 475): the second temperature. While a product is being held, press and hold the product Set the second cooking time using the dial. key.
  • Page 17: Performance Recommendations

    OPERATION Continued Two trays of product are going to be cooked in the oven at 5. Press product key 6, then shelf key 4. the same time. The fi rst tray will use product key 1 and will be 6. Press the START/CANCEL key to start cooking on shelf 4. placed in rack position 2.
  • Page 18: Cooking Guide

    COOKING GUIDE The following suggested times and temperatures are provided as a starting guide. Elevation, atmospheric conditions, gas supply, recipe, cooking pans, and oven loading may aff ect your actual results. Product °F Time Product °F Time White Sheet Cakes – 5 lb 300°...
  • Page 19: Cook And Hold

    COOK AND HOLD Please refer to the operating instructions to program the 450 and 455 control units for cook and hold feature. The times and temperatures listed below are to be used as a starting guide. Your actual results may vary greatly depending on your elevation, gas supply, atmospheric conditions and other items being cooked at the same time.
  • Page 20: Problems / Solutions

    PROBLEMS / SOLUTIONS Problem Solution If cakes are dark on the sides and not done in the center Lower oven temperature. If cakes edges are too brown Reduce number of pans or lower oven temperature. If cakes have light outer color Raise temperature.
  • Page 21: Cleaning & Maintenance

    (Caution: edges of blower wheel fi ns may be cavity, which could damage electrical components. sharp). 5. Reinstall the air baffl e, rack guides and oven racks. This simple practice, if performed on a regular basis will keep your Garland oven operating at peak performance.
  • Page 22: Motor Care

    MOTOR CARE The motor on your convection oven is maintenance free since At the end of the day, press the ON/OFF key, for the 400 series it is constructed with self-lubricating sealed ball bearings. controllers to activate the Auto Cool Down feature. The fan It is designed to provide durable service when treated with will run on high until the oven cavity drops below 150°F ordinary care.
  • Page 24 GARLAND 1177 KAMATO ROAD, MISSISSAUGA, ONTARIO, CANADA. L4W 1X4 888-442-7526 WWW.GARLAND-GROUP.COM Every new piece of Manitowoc Foodservice equipment comes with KitchenCare™ and you choose the level of service that meets your operational needs from one restaurant to multiple locations. StarCare – Warranty & lifetime service, certifi ed OEM parts, global parts inventory, performance audited ExtraCare —...

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