Hobart HEC20 ML-114574 User's Manual
Contents
1. 20 amp 20 ELECTRIC CONVECTION OVENS MODELS 20 114574 HEC20D ML 114576 CORPORATION 701 S RIDGE AVENUE TROV OHIO 45374 0001 937 332 3000 www hobartcorp com FORM 33579 Rev D Mar 2001 TABLE OF CONTENT GENERAL Ab nee ante a 3 INSTALLA TON ot set canne a 3 UNPACKING ee a EE ES e E a 3 he A E l o 3 Installation Codes and 5 Installing Basic Oven HEC20 200 4 Assembling the Legs to the Single Oven 4 Assembling the Chimney to the Single 4 LEVEJIMO bba 4 Assembling Stacked 4 Assembling the Oven to the 1 5 Electrical GONMECIONS rou ae os 5 OPERATION 22sec cence 6 Controls Model HEG20 ia isse sej 6 Before First Use cdi bes eee dd 7 Using the HEC20 7 Controls Model HEC20D Built before October 1999 8 Thermostat Control 8 Timer Control ts 242 0 4200 by cd 9 Before First USO oe Law eS 11 U2. mec U HEAT LIGHT THERMOSTAT TIMER FUSE HOLDERS PL 52230 Fig 3 ON OFF COOL DOWN Switch Turns oven control circuits ON or OFF or COOL DOWN allows the THERMOSTAT TIMER ON LIGHT Amber HEAT LIGHT White 2 SPEED MOTOR LO HI FUSE HOLDERS fan motor to run with the doors ajar to speed oven cooling Controls oven temperature during cooking operation Set the cooking cycle time from 0 to 60 minutes Buzzer sounds continuously when elapsed time counts down to 0 oven does not turn off Turn timer OFF to stop buzzer When the oven is not in use keep timer at OFF position Lit when On Off Cool Down switch is ON Comes on and goes off when the heating elements cycle on and off Adjusts air velocity in the oven Use the HI setting as the usual operating speed and the LO setting for delicate product like meringue which might be blown around in the oven Replace fuses with appropriate type described on control panel BEFORE FIRST USE Before using the oven for the first time it must be burned in to release any odors that might result from heating the new surfaces in the chamber 1 Using a clean damp cloth wipe the inside of the oven including the racks 2 Close the oven doors turn the Off Cool Down switch ON turn the Thermostat to 300 F 149 C and allow the oven to cycle for 6 to 8 hours before turning the On Off Cool
3. The timer will count down the time remaining for the Menu Cook Time e When the time has counted down to 00 00 the buzzer will sound and all Rack Buttons will flash silence the buzzer press the START STOP button Pressing the START STOP button after making a menu selection will time all racks for the selected menu time Starting a Timed Cycle Using Programmed Individual Menu Rack Cook Time s e After the set Temperature is reached open the door door displays Place product s in oven Close the door The display returns to the set Temperature or the GROWING BAR e Select the Menu Item once for Primary or twice for Secondary and the Rack to select the Menu Rack Cook Time If using simultaneous cook times select the other Menu Rack s The timer selects the Rack f with the shortest Cook Time and counts down to 00 00 e The buzzer sounds and the Rack f flashes To silence the buzzer press the flashing Rack f Open the door door displays remove the finished product close the door The next shortest Cook Time displays its Rack flashes and the time counts down to 00 00 The buzzer sounds Press the flashing Rack Open the door door displays Remove the product close the door Repeat from until all Rack s are done To Display the Actual Oven Temperature ee e Press and hold the Temperature button for 3 seconds to display Actual Oven Temp until released To End a Cooking Cy
4. of the set temperature for the current mode TIMER CONTROL Time Display While Not Timing Product Displays the set cook time if the light in the Cook Button is lit Time Display While Timing Product 1 Displays the counted down cook time if the Cook Button light is lit and in the Cook mode 2 Displays the counted up hold time if the Hold Button light is lit and in the Hold mode Count up of hold time does not begin until cavity temperature reaches the hold temperature Time Display Semicolon 1 Flashing if product is timing 2 Not flashing if not timing product Time Button Press to set cooking cycle time Time Button Light when the Time Button is pressed Timer Knob Sets the cook time when not already timing and the Cook Time indicator is lit Pulse Button Selects the pulse time setting A cook time must be set first The pulse time can then be set equal to or less than the cook time The pulse time will be the portion of cook time to operate in the pulse mode Pulse mode will start first When pulse time elapses the remainder of the cook time will be in the non pulse mode Use when cooking delicate product such as strudel muffins cupcakes meringue pies etc to keep product from forming waves on the top Use the Pulse Button to switch between the selection of pulse mode and no pulse mode time setting A pulse mode time of zero means no pulse mode will occur The light in the Pulse Butto
5. Contact your local Hobart authorized service office for any repairs or adjustments needed on this equipment Long term service contracts are available on this and other Hobart products FORM 33579 Rev D Mar 2001 20 PRINTED IN U S A
6. Down switch OFF USING THE HEC20 OVEN Preheating 1 Turn the On Off Cool Down switch ON The amber ON light will come on indicating that power to the oven is on 2 Set the Thermostat as desired Refer to SUGGESTED COOKING GUIDELINES for temperatures and times for various products 3 Prepare the product and place in suitable pans When the white HEAT light goes off the oven has reached the set preheat temperature Cooking 1 Open the doors and load the product into the oven Place pans in the center of the racks Close the door 2 Set the Timer After the preset time has lapsed turn the timer OFF to stop the buzzer 3 When the product is done open the door and carefully remove the cooked product from the oven Wipe up any spills End of Day 1 Turn the Thermostat OFF 2 Turn the Cool Down switch ON Leave the door ajar while the fan is on to cool the oven 3 When the oven has cooled sufficiently push the On Off Cool Down switch OFF and clean the oven CONTROLS MODEL HEC20D Built before October 1999 Fig 4 HEAT LIGHT TEMPERATURE KNOB _ COOK BUTTON THERMOMETER BUTTON THERMOSTAT L READY LIGHT HOLD BUTTON TIMER TIMER KNOB COOK BUTTON gel START STOP BUTTON ONI OFE ICOOLDOWN PULSE BUTTON SWITCH 2 SPEED FAN HI L f LO FUSE HOLDERS Fig 4 THERMOSTAT CONTROL Temperature Display
7. When Not Timing Product Displays set cook temperature while the light in the Cook Button is lit Will be overridden to display actual cavity temperature for 8 seconds when Thermometer Button is pushed 1 The light in the Thermometer Button will be lit while the actual temperature is being displayed 2 lightin the Thermometer Button will extinguish when the display returns to set temperature display Temperature Display When Timing Product Displays set hold temperature while the light in the Hold button is lit Displays the cook temperature when the Cook button is lit Will be overridden to display actual cavity temperature for 8 seconds when the Thermometer Button is pushed 1 The light in the Thermometer Button will be lit while actual temperature is being displayed 2 Thelightin the Thermometer Button will extinguish when the display returns to set temperature display Temperature Knob When Not Timing Product 1 Sets the cook temperature when the Cook Button light is lit The Cook Button light can be turned on by pressing the Cook Button 2 Sets the hold temperature when the Hold Button light is lit The Hold Button light can be turned on by pressing the Hold Button Temperature Knob When Timing Product 1 Sets the cook temperature when the Cook Button lightis lit The Cook Button light cannot be changed by pressing the Cook Button 2 Sets the hold temperature when the Hold Button light is lit The Hold B
8. be installed in accordance with 1 State and local codes 2 ANSI NFPA 96 Vapor Removal from Cooking Equipment latest edition available from National Fire Protection Association Batterymarch Park Quincy MA 02269 and 3 ANSI NFPA 70 National Electrical Code latest edition In Canada the ovens must be installed in accordance with 1 Local codes and 2 Canadian Electrical Code CSA Standard C22 2 No 1 latest edition za INSTALLING BASIC OVEN HEC20 HEC20D The basic oven must be installed on legs or be mounted on a modular stand Installations on concrete bases or other supports restricting air circulation underneath the oven are not advisable and may void the warranty Assembling the Legs to the Single Oven CHIMNEY Position the oven on its left side taking care not to scratch or damage it Thread each of the 4 10 cm leg assemblies into the holes provided on the bottom corners of the oven Carefully raise the oven to its normal upright position Assembling the Chimney to the Single Oven PL 52240 Remove the oven chimney from inside the oven cavity and use the screws provided to fasten the chimney the top rear of the oven Fig 1 The flanges on the chimney are to be positioned over the top cover Fig 1 LEVELING Once the oven is in its permanent position place a carpenter s level on the oven rack If the oven is installed on legs turn adjustable feet in o
9. switch to COOL DOWN Leave the door ajar while the fan is on to cool the oven 2 When the oven has cooled sufficiently push the On Off Cool Down switch OFF and clean the oven ERROR MESSAGES HEC20D OVEN E 01 High limit error Contact your local Hobart service office E 02 Low limit error Contact your local Hobart service office E 03 High ambient temperature 215 F 102 C Contact your local Hobart service office E 04 Low ambient temperature 32 F 0 C Let control warm up after cold storage E 06 Thermocouple probe open Contact your local Hobart service office When calling for service please advise what error code was displayed 11 CONTROLS MODEL 200 Built after October 1999 HHHH Always displays HR Min when setting the Time Displays HR Min if the countdown Time is more than 1 Hour Displays Min Sec if the countdown Time is less than 1 Hour Displays Temperature in F e Indicates the oven is in the Cook and Hold Mode MODE C amp H OVEN OVEN MODE READY HEATING MENU SELECT OVEN Indicates the oven is preheated and ready for cooking PRIMARY READY OVEN Indicates the oven is preheating HEATING y Primary indicates Menu Items 1 3 or 5 e SECONDARY Secondary indicates Menu Items 2 4 or 6 Up arrow increases Down arrow decreases a displayed Time or Temperature value if arrow keys are lit TEMPERATURE Use with SET to set the ove
10. ERATURE 200 F 93 C 250 F 121 C 300 F 149 C HOLD TEMPERATURE 150 F 65 5 C ss DONENESS RARE MEDIUM RARE MEDIUM RARE MEDIUM WEIGHT OF ROAST POUNDS HOURS MINUTES mm pum 0 1 aj gt e aso fus 205 28 fus i B d ajo NININ gt Taw foss 200 315 15s so 20s 32 200 e NININININ Taw few 20 2 sso 2 sos 28 NIN 4 g 2 15 255 305 30 315 320 3 20 3 25 25 30 40 SS __ so 2 sso 210 2 30 Overall oven interior dimensions may limit the size of larger roasts that can be accommodated 18 MAINTENANCE WARNING THE OVEN AND ITS PARTS ARE HOT USE CARE WHEN OPERATING CLEANING OR PERFORMING ANY MAINTENANCE ON THE OVEN WARNING DISCONNECT THE ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT YOU ARE WORKING ON THE OVEN BEFORE PERFORMING ANY MAINTENANCE FUSE HOLDERS Replace fuses with appropriate type described on control panel LUBRICATION The fan motor comes with sealed bearings and requires no lubrication The door hinges and mechanism require occasional lubrication with high temperature Teflon grease 19 SERVICE
11. cle At the end of a cooking cycle the alarm will sound To silence the alarm and end a Menu Item cooking cycle press START STOP To silence the alarm and end a Rack cooking cycle press the Rack To cancel a cooking cycle which might have been started in error press and hold the Rack button to be terminated and press START STOP at the same time Door and Timing Opening the door while loading additional product will interrupt all timing functions until the door is closed and the timer resumes For example if a product time had diminished to 1 minute and the door was opened for 30 seconds and then closed the timer would still show 1 minute SETTING THE OVEN FOR COOK amp HOLD e Press the Cook amp Hold button to select Cook amp Hold e Set the first stage Temperature and the Cook Time as described in MANUALLY SETTING THE TEMPERATURE AND TIME Press START STOP to begin cooking The HOLD Temperature is preset by the computer control at 150 F 66 C The LOW FAN SPEED is present during Cook amp Hold Use C amp H to select LOW FAN SPEED 14 COOK AND HOLD OPERATION Model HEC20D Cook and Hold roasts the product in two stages During First Stage Cooking the oven temperature is regulated by the Temperature setpoint and the Time setting After the time counts down to 00 00 Second Stage Cooking begins During Second Stage Cooking the heating elements are off as the temperature in the oven declines to t
12. dual Rack Cook Times for a Menu Item To enter program mode press and hold the Up and Down arrow buttons until PrOG displays Select the Menu Item to be programmed 1 6 Tine displays to indicate TIME Then select the Rack 1 5 t 1 indicates Rack 1 t 2 indicates Rack 2 5 indicates Rack 5 Use the Up and Down arrows to increase or decrease the COOK TIME for any Rack e Press the START STOP button LOC displays Press the START STOP button a second time to save the Menu Rack s COOK TIME s e To exit program mode press START STOP twice 49 Always Set the Temperature Before Setting the Time e Press the SET button Press the TEMPERATURE button StPt displays Use the Up and Down Arrow keys to increase or decrease the Temperature To save press the SET button again At startup the display will initially show a GROWING BAR When the oven temperature reaches the Set Point the set temperature displays The READY light is lit the HEAT light goes out and the oven is ready for you to select the Cook Time Menu Item Cook Time or Menu Rack Cook Time Starting a Timed Cycle On All Racks e Open the door door will display e Place the desired product any of the five racks Close the door The display should return to the set temperature or the GROWING BAR e Press the Menu Key once for Primary or twice for Secondary to select a Menu Item Cook Time e Press the START STOP button
13. h the On Off Cool Down switch ON turn the Thermostat to 300 F 149 C and allow the oven to cycle for 6 to 8 hours before turning the On Off Cool Down switch OFF USING THE HEC20D OVEN Preheating 1 Close oven doors Push On Cool Down switch to ON position The HEAT light will come on indicating that power to the oven is on 2 Set THERMOSTAT as desired Refer to SUGGESTED COOKING GUIDELINES for temperatures and times for various products 3 Prepare product and place in suitable pans When READY light comes on oven has reached desired preheat temperature Cooking 1 Open doors and load the product into the oven Place pans in the center of the racks Close doors 2 Set COOK temperature and time Set HOLD temperature and PULSE time if desired PULSE time may not be more than COOK time PULSE will cycle the fan during the set time at the beginning of the cooking cycle 3 Press the START STOP button to start the cooking cycle 4 Atthe end of the cooking cycle the alarm will sound continuously if the HOLD mode is OFF If the HOLD mode is ON there will be a short beep at the beginning of Second Stage Cooking oven temperature will begin to decline to the HOLD temperature and a long beep 20 seconds at the end of the cooking cycle Refer to COOK AND HOLD OPERATION 5 When product is done open doors and carefully remove cooked product from the oven Wipe up any spills End of Day 1 Push On Cool Down
14. he Hold Temperature The doors should remain closed during Second Stage Cooking When the Hold temperature is reached the display flashes HOLD Temperature in the oven will be maintained at the Hold temperature until the oven is turned off ROAST AND HOLD DIAGRAM Time vs Temperature OVEN TEMPERATURE TIMER DISPLAY COUNTS DOWN SHORT BEEP TIMER DISPLAYS HOLD ROAST THERMOSTAT OFF HEATERS OFF UNTIL HOLD TEMPERATURE IS REACHED COOKING FROM STORED HEAT HEATERS MAINTAIN HOLD TEMPERATURE TIMER DISPLAY FLASHES HOLD a LOAD PRODUCT Ma INTO OVEN pent q TEMPE 0 25 aie PREHEAT FIRST STAGE COOKING SECOND STAGE HOLDING COOKING DO NOT OPEN DOORS PL 53493 15 PROPER UTENSILS The use of proper utensils can enhance oven operation Medium and lightweight pans are recommended since it is more economical to bake with lighter pans Meats should be roasted in shallow pans deep enough to hold all juices and allow free air circulation CONSERVING ENERGY e Turn off unused equipment e Adjust menu patterns and cooking baking schedules for optimum equipment use e Preheat only to required cooking temperature for specific food not higher e Do not open the oven door unless absolutely necessary Use the window to observe cooking progress Keep area around the oven door clean and free of food particles e Any obstruction that prevents the doo
15. ith stainless steel wool or sponge always rubbing with the grain This treatment is equally effective for heat tint slightly darkened areas caused by oxidation Again remember to rub in the direction of the polish lines Rinse with clear water and dry with a soft cloth 16 SUGGESTED COOKING GUIDELINES The following cooking time and temperature guidelines will vary depending on product temperature size shape etc They are SUGGESTIONS ONLY and should be adjusted to suit your operation TEMPERATURE TIME NUMBER PRODUCT oF MINUTES OF RACKS BREAD PRODUCTS Hamburger Rolls Bread 1 Lb 454 gr Loaves 9 loaves Rolls 60 rolls Baking Soda Biscuits PASTRIES Sheet Cake 2 2 Lb per Pan 1 kg Frozen Fruit Pies 46 oz Frozen Fruit Pies 26 Oz 1 3kg 8 223mm Diam Sugar Cookies Danish Rolls Fruit Cakes Cake 1 Lb 454 gr MEAT Hamburger Patties 5 30 patties 5 per Lb 454 gr well done Hot Dogs 9 5 200 Baked Stuffed Pork Chops 40 5 30 chops Roast Beef 10 Lb 4 5 kg Roasts 2 2 3 hrs 2 2 roasts FISH Fish Sticks Lobster Tails Halibut Steaks Frozen 5 oz 142 gr Baked Shrimp Stuffed FOWL Turkey Rolled 18 Lb 8 kg Rolls Chicken 2 2 Lb Quartered 1 kg Chicken Breasts OTHER Melted Cheese Sandwiches Idaho Potatoes 120 Count Beef Pot Pies Macaroni amp Cheese Turkey Pot Pies TV Dinners LAT ROLLED BEEF ROASTS MODEL HEC20D COOK TEMP
16. l Model HEC20D has different controls than model HEC20 Models HEC20 and HEC20D are single cavity ovens standard with door hinged on left optional with door hinged on right The following leg or caster accessories are available A set of four 4 10 cm adjustable chrome plated metal legs A set of four 6 15 cm adjustable stainless steel legs A set of 2 swivel and 2 rigid casters Stacking kit accessories are available for mounting one oven on top of another One kit includes a set of four 16 42 2 cm adjustable metal legs The other stacking kit is provided with casters An open storage stand in stainless steel is optional Additional oven racks are available accessories Model HEC20D was originally built with a control described on pages 8 11 After October 1999 model HEC20D has been built with a control described on pages 12 15 INSTALLATION UNPACKING Immediately after unpacking the oven check for possible shipping damage If this oven is found to be damaged save the packaging material and contact the carrier within 15 days of delivery Prior to installation verify that the electrical supply agrees with the specifications on the oven data plate located inside of the top front cover Do not use the door or its handle to lift the oven LOCATION The installation location must allow adequate clearances for servicing and proper operation INSTALLATION CODES AND STANDARDS In the United States Hobart electric ovens must
17. n temperature SET Use with Time or Temperature TIME Use with SET to manually set the time Selects Cook and Hold mode also selects Low Fan Speed Press once to start press a second time to stop 3 4 Press once for Primary Menu Items 1 3 or 5 Press a second time for Secondary Menu Items 2 4 or 6 Ee WE eee 2 3 4 5 Rack Buttons select individual Menu Rack H Cook Times once programmed l Je 12 MANUALLY SETTING THE TEMPERATURE AND COOK TIME To Set the Temperature e Press the SET button Press the TEMPERATURE button StPt displays to indicate Setpoint e Use the Up and Down Arrow keys to increase or decrease the displayed Temperature value e Press the SET button again to save the Temperature setpoint in the computer To Set the Cook Time e Press the SET button Press the TIME button Tine displays to indicate TIME e Use the Up and Down Arrow keys to increase or decrease the displayed Cook Time HR min e Press the SET button again to save the Time setting in the computer To Start Cooking e Press the START STOP button The manual Cook Time counts down to 00 00 Displays HR Min above 1 hour min sec below e The buzzer will sound To silence the buzzer press the START STOP button again The control retains the manual settings for Temperature and Time TO PROGRAM MENU ITEM and RACK Cook Times Factory Preset and Programmable Cook Time
18. n will be lit when in the pulse mode In Pulse Mode 1 The fan cycles 45 seconds ON and 45 seconds OFF for the duration of the pulse cycle time 2 The fan stays on while the heat cycles in hold mode 3 The fan stays on while heat cycles at 100 power when not timing 4 Can be switched at any time Stop Start Button 1 Initiates timing a product in the mode selected if a cook time has been set 2 Stops timing of a product if a timing sequence has already started Hold Button Selects Hold mode 1 Allows selection of hold temperature 2 Temperature indication of F C indicates no hold mode Hold Button Light Is lit when in the Hold mode 1 When not timing allows setting enabling a hold mode setting of F C meaning no hold will take effect 2 Any other temperature means that when the actual cook time has ended the oven will enter the Hold mode and use the hold temperature Two Speed Fan Switch Adjusts air velocity in the oven On Off Cool Down Switch 1 ON turns oven control circuits on 2 OFF turns oven control circuits off 3 COOL DOWN allows the fan motor to run with the doors ajar to speed oven cooling 10 BEFORE FIRST USE Before using the oven for the first time it must be burned in to release any odors that might result from heating the new surfaces in the chamber 1 Using a clean damp cloth wipe the inside of the oven including the racks 2 Close the oven doors pus
19. r from closing completely will adversely affect oven efficiency OPERATING HINTS When using the convection oven for the first time with a particular food check the degree of doneness periodically before the suggested time has elapsed to make sure the desired doneness is achieved Record your temperature and time settings for various products The convection oven can provide consistent repeatable results The convection oven is faster than conventional deck type ovens temperature settings are lower and cook times are shorter Since recipes and foods are subject to many variations and tastes the guidelines regarding times and temperatures in this manual are SUGGESTIONS ONLY Experiment with your food products to determine the cooking temperatures and times that give you the best results CLEANING WARNING DISCONNECT THE ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT YOU ARE WORKING ON THE OVEN BEFORE CLEANING Clean outside of the oven daily by wiping with a clean damp cloth Clean porcelain oven interior daily with soap or detergent and water Rinse thoroughly and wipe dry with a soft clean cloth Optional Stainless Steel Oven Interior Soap or detergent and water usually handle routine cleaning Rinse thoroughly and dry with a soft clean cloth For burned on foods and grease which resist simple soap and water cleaning an abrasive cleanser scouring powder mixed into a paste may be used Apply w
20. r out to level oven front to back and side to side If the oven is installed on casters loosen set screws and turn casters in or out to level oven front to back and side to side Retighten set screws after leveling ASSEMBLING STACKED OVENS Determine which oven will be on the bottom and place it on its left side being careful to avoid scratching the finish Install the four legs using the 24 bolts and lockwashers provided 6 per leg Place lower oven with legs on floor Remove the two s 1 1 cm Knockouts on each side of the top cover and the 1322 2 8 cm knockout on the right side of the top cover Move this oven to the installation position Install the two locating studs included in leg stack set into screw plates on underside of upper oven Fig 2 and remove the 1 s2 2 8 cm knockout that will line up with the one removed from the bottom oven Carefully place the top oven in position above the bottom oven Level ovens see LEVELING above ASSEMBLING THE OVEN TO THE STAND FRONT TOP OVEN Unpack the oven and stand Position oven on its back taking care not to scratch or damage it o l Install the two locating studs included in the stand carton LOCATING STUDS into the screw plates on the underside of the oven Fig 2 BOTTOM Attach each of the four leg assemblies to the bottom of the o stand with the 24 bolts and lockwashers 6 per leg KNOCK OUT WELDED PLATE Mount
21. s are shown in the table below MENU FACTORY PRESET PROGRAMMABLE VALUES MENU SELECTION ITEM MENUITEM RACK1 RACK2 RACK3 RACK4 RACK5 COOK TIME COOK TIME COOK TIME COOK TIME COOK TIME COOK TIME 1 2 Primary 1 10 min 1 2 Secondary 2 15 min 3 4 Primary 3 20 min 3 4 Secondary 4 25 min 5 6 Primary 5 30 min 5 6 Secondary 6 35 min The Primary indicator light with Menu 1 2 selects Menu Item 1 Factory Preset Cook Time 10 minutes The Secondary indicator light with Menu 1 2 selects Menu Item 2 Factory Preset Cook Time 15 minutes Similarly for Menu Buttons 3 4 or 5 6 Any Menu Item Cook Time can be changed using the procedure below Rack Cook Times may be programmed if desired but are not required To Change the Time Setting for any Menu Item 1 6 To enter program mode press and hold the Up and Down arrow buttons until PrOG displays Select the Menu Item to be programmed 1 6 Tine displays to indicate TIME Use the Up and Down arrow buttons to increase or decrease the Menu Item s COOK TIME Repeat this step for any other Menu Items e Press the START STOP button LOC displays Press the START STOP button a second time to save the Menu Item s COOK TIME s e Press the START STOP button once to begin cooking with the Menu Item s Cook Time To exit press the START STOP button a second time To Program Indivi
22. sing the HEC20D OVEn beds 11 Error Messages HEC20D il Controls Model HEC20D Built after October 1999 12 Manually Setting the Temperature and Cook Time 13 To Program Menu Item and Rack Cook 13 Setting the Oven for Cook amp 14 Cook and Hold Operation Model HEC20D 15 Proper id spa 16 Conserving ENETOY 16 Operating HINTS 16 CIGANING a ata 16 Suggested Cooking 17 w eee ed 19 Fuse Holders ee we Soe oO 19 Lubrication L 19 tA hans 20 HOBART CORPORATION 1996 22 Installation Operation and Care of HEC20 amp HEC20D ELECTRIC CONVECTION OVENS SAVE THESE INSTRUCTIONS GENERAL The model HEC20 Electric Convection Oven features a solid state thermostat 1 hour dial timer two speed HP 037 kw electric motor and five racks as standard equipment Porcelain cavity with enamel blower baffle is standard stainless steel is optional Painted outer panel setis standard stainless steel is optional Painted back panel is standard stainless steel is optiona
23. the oven on top of the stand FOR FLUE EXTENSION INSTALLATION Adjust the legs to ensure that the oven racks are level in the R final installed position REAR ORTOP BUEN PL 52992 Fig 2 ELECTRICAL CONNECTIONS WARNING ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND OR OTHER LOCAL ELECTRICAL CODES WARNING DISCONNECT THE ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH INDICATING THAT YOU ARE WORKING ON THE CIRCUIT ELECTRICAL DATA NOMINAL AMPS PER LINE WIRE 3 PHASE LOADING ese __ _ 1 PHASE KW PER PHASE KW Single Oven 55 25 30 235 10 0 120 200 9 0 11 0 260 25 0 Stacked Ovens 11 0 5 0 o 6 0 46 0 20 0 24 0 40 0 18 0 22 0 52 0 46 0 Knockouts are provided on the back and bottom of the oven for making conduit connections Remove the screws from the front control panel for access to the terminal block Wire and required hardware for making connections between stacked ovens are furnished with the leg stack set Replace the right side panel if it was removed during electrical connection Replace the front control panel and turn on the power supply OPERATION WARNING THE OVEN AND ITS PARTS ARE HOT USE CARE WHEN OPERATING CLEANING OR PERFORMING ANY MAINTENANCE ON THE OVEN CONTROLS MODEL HEC20 Fig 3 ON OFF COOL DOWN SWITCH Power SS FAN SWITCH ON LIGHT
24. utton light cannot be changed by pressing the Hold Button _8 Cook Button Light If While Not Timing Product Indicates the cook mode is selected This means 1 The displayed temperature settings will be for the cook temperature except for the time that the light in the Thermometer Button is lit 2 Rotating the Thermostat Knob will change the cook set temperature 3 Cook time can be adjusted using the Timer Knob 4 The time displayed is the initial set cook time 5 It is possible to select the Hold mode using the Hold Button Cook Button Light If On While Timing Product Indicates the cook mode is selected This means 1 The displayed temperature settings will be for the cook temperature except for the time that the light in the Thermometer Button is lit 2 Rotating the Temperature Knob will change the cook set temperature 3 It is not possible to select the Hold mode using the Hold Button 4 The time displayed is the time counted down from the initial cook time set Cook Button 1 Lights the Cook Button light See Cook Button Light above 2 Selects the Cook mode 3 Has no effect if timing in the Hold mode Thermometer Button When pressed causes actual cavity temperature to display for about 8 seconds then display returns to set temperature Heat Light When lit indicates that power is being supplied to the heating elements Ready Light Will be lit any time the actual temperature is within 5 F 3
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