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Hobart HGC40 manual

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Table of contents for the manual

  • Page 1

    701 S. RIDGE AVENUE TROY, OHIO 45374-0001 FORM 19240 Rev. D (3-98) DGC1, HGC40, HGC60, HGC40D & HGC60D GAS CONVECTION OVENS MODELS DGC1 ML-43853 HGC40 ML-43856 HGC40D ML-43859 HGC60 ML-114731 HGC60D ML-114732 GAS CONVECTION OVENS[...]

  • Page 2

    – 2 – © HOBART CORPORATION, 1993 IMPORT ANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED[...]

  • Page 3

    – 3 – T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Unpacking . . . . . . . . [...]

  • Page 4

    – 4 – Installation, Operation and Care of DGC1, HGC40 & HGC40D GAS CONVECTION OVENS SA VE THESE INSTRUCTIONS FOR FUTURE USE GENERAL The Model DGC1 Oven is equipped with a mechanical thermostat and 1-hour dial timer; the Model HGC40 and HGC60 Ovens are equipped with a solid state thermostat with probe and 1-hour dial timer; and the Model HGC[...]

  • Page 5

    – 5 – CONNECT GAS LINE STRAIN RELIEF HERE PL-51216 LEVELING Ensure that the oven racks are level in the final installed position. INSTALLATION CODES AND STANDARDS Hobart ovens must be installed in accordance with: In the United States 1. State and local codes. 2. National Fuel Gas Code ANSI-Z223.1 (latest edition), available from American Gas A[...]

  • Page 6

    – 6 – ASSEMBLING THE LEGS TO THE OVEN Unpack the oven and leg set. Position oven on its back, taking care not to scratch or damage it. The gas pipe connection protrudes beyond the back; provide for this when oven is tipped back by resting it on suitable spacers (2 x 4's etc.). Attach each of the four leg assemblies to the bottom of the ove[...]

  • Page 7

    – 7 – Move the oven with legs to the installed position and place the upper oven on top of the lower oven using the locating studs. Remove the rear panels from both ovens. Remove the right angle flue extension (Fig. 3) from the top oven. Insert the right angle short flue extension into the top oven. Install the long flue extension (Fig. 3) from[...]

  • Page 8

    – 8 – ELECTRICAL CONNECTIONS WARNING: THE POWER CORD IS PROVIDED WITH A GROUNDING PLUG. THE OUTLET TO WHICH THIS PLUG IS CONNECTED MUST BE PROPERLY GROUNDED. IF THE RECEPTACLE IS NOT THE PROPER GROUNDING TYPE, CONTACT AN ELECTRICIAN. DO NOT REMOVE THE GROUNDING PRONG FROM THIS PLUG. Your gas convection oven is equipped with a 120 volt / 60 Hz. [...]

  • Page 9

    – 9 – Gas Pressures and Orifices Natural Gas The burner orifices are sized to deliver the nameplate input rating (40,000 Btu/hr) at a gas manifold pressure of 3.5" W.C (0.8 kPa). The gas pressure regulator is integral to the gas solenoid valve and is factory set to supply 3.5" W.C. (0.8 kPa) as required for natural gas. Propane Gas Th[...]

  • Page 10

    – 10 – OPERA TION CONTROLS — MODELS DGC1 & HGC40/HGC60 (Fig. 4) ON / OFF / COOLDOWN SWITCH — ON — turns oven control circuits on. OFF — turns oven control circuits off. COOLDOWN — allows the fan motor to run with the doors ajar to speed oven cooling. 2-SPEED FAN SWITCH — HI / LO — Adjusts air velocity in the oven. LIGHT SWITCH[...]

  • Page 11

    – 11 – LIGHTING THE DGC1 AND HGC40/HGC60 OVENS Turn manual gas valve ON. Turn ON/OFF/COOLDOWN switch ON and turn thermostat to its maximum setting. Both the ON and HEAT lights should come on. If HEAT light is not on, make sure door is closed. After 5 seconds, the spark ignition system will start and the solenoid valve will open, allowing gas to[...]

  • Page 12

    – 12 – CONTROLS — MODEL HGC40D/HGC60D (Fig. 5) MODEL HGC40D/HGC60D Fig. 5 PL-51601 THERMOSTAT GAS VALVE 2 SPEED FAN - HI / LO LIGHT SWITCH TIMER TURN GAS VALVE "ON" PUSH MASTER SWITCH TO "ON" POSTION. IF OVEN FAILS TO LIGHT. PUSH MASTER SWITCH TO "OFF" TURN GAS VALVE OFF WAIT 5 MINUTES FOR RETRIAL. TO LIGHT OVEN [...]

  • Page 13

    – 13 – 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 Pr[...]

  • Page 14

    – 14 – 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 burner. Ready Light Will be lit any time the actual temperature is within +/- 5°F (+/- 2.7°C) of the set temperature for the curren[...]

  • Page 15

    – 15 – 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. U[...]

  • Page 16

    – 16 – TWO-SPEED FAN SWITCH Adjusts air velocity in the oven. LIGHT SWITCH Turns lights in the oven on or off. ON / OFF / COOLDOWN SWITCH 1. ON turns oven control circuits on. 2. OFF turns oven control circuits off. 3. OVEN COOL allows the fan motor to run with the doors ajar to speed oven cooling. GAS VALVE When ON, allows gas to flow to the i[...]

  • Page 17

    – 17 – 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 cook cycle. 3. Press the START/STO[...]

  • Page 18

    – 18 – COOK AND HOLD OPERATION Cook and Hold cooks the product in two stages. During First Stage Cooking, the oven temperature is regulated by the Cook thermostat for the amount of time set on the Cook Timer. After the lapsed time counts down to 00:00, Second Stage Cooking begins. During Second Stage Cooking, the burners are off as the temperat[...]

  • Page 19

    – 19 – PROPER UTENSILS The use of proper utensils can enhance oven operation. Medium and light weight pans allow the product to warm faster. Roast meats in shallow pans deep enough to hold all juices yet allow free air circulation. CONSERVING ENERGY • Turn off unused equipment. • Adjust menu patterns and cooking/baking schedules for optimum[...]

  • Page 20

    – 20 – COOKING CHARTS Models DGC1, HGC40/HGC40D and HGC60/HGC60D BAKED PRODUCTS * Some people prefer high speed for darker cheese. ** Low speed will give you a more uniform color . Product Temps. Time (Min.) No. Shelves Fan Speed (°F) (°C) Sheet Cakes (5 lb. [2.3 kg] each) 300 (149) 30 5 Low Soda Biscuits 325 (163) 12 5 Low Yeast Rolls 325 (1[...]

  • Page 21

    – 21 – MEA T & FISH PRODUCTS MISCELLANEOUS PRODUCTS FOR BEST RESUL TS Product to be cooked should be centered on the oven rack, and the racks should be spaced evenly within the oven cavity . It is best not to rotate the product or open the doors during the cooking cycle. Preheat oven to 50°F (10°C) higher than desired cooking temperature.[...]

  • Page 22

    – 22 – MAINTENANCE WARNING: TURN OVEN OFF AND UNPLUG ELECTRICAL CORD BEFORE PERFORMING ANY MAINTENANCE. The fan motor comes with sealed bearings and requires no lubrication. The door mechanism requires occasional lubrication with mineral oil. If this oven is placed on casters, it should be connected to the supply piping with the proper disconne[...]

  • Page 23

    – 23 – TROUBLESHOOTING If NO IGNITION LIGHT remains lit for more than 20 seconds after three trials (Models DGC1 and HGC40), or E-05 displays after three trials (Model HGC40D): • Turn oven off for 5 minutes before attempting to relight. • Check gas supply valves to be sure they are open. • Check electrical power source and connections. Co[...]

  • Page 24

    – 24 – FORM 19240 Rev. D (3-98) PRINTED IN U.S.A. NOTES[...]