Page 3 - TABLE OF CONTENTS
– 3 – TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - The Model GCO Series Convection Ovens feature a 500
– 4 – Installation, Operation And Care Of GCO SERIES GAS CONVECTION OVENS KEEP THESE INSTRUCTIONS FOR FUTURE USE Your Vulcan Gas Convection Oven is produced with quality workmanship and material. Proper installation,usage and maintenance of your oven will result in many years of satisfactory perform...
Page 5 - INSTALLATION; Do not use the doors or their handle to lift the oven.
– 5 – 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 service and type of gas (natura...
Page 6 - ASSEMBLING THE LEGS TO THE OVEN; Unpack the oven and leg set.; LEVELING
– 6 – NOTICE: When the oven is mounted on casters, it must be installed with the casters supplied, a connector(not supplied by Vulcan-Hart) complying with either ANSI Z21.69 (latest edition) or CAN/CGA-6.16(latest edition), and a quick-disconnect device complying with either ANSI Z21.41 (latest edit...
Page 7 - ASSEMBLING STACKED OVENS; Place lower oven (with legs) on floor and remove two
– 7 – ASSEMBLING STACKED OVENS Unpack the ovens and stack kit. Position one oven on its back for access to the oven bottom, taking care notto scratch or damage it. The gas pipe protrudes beyond the back; provide for this when the oven is tipped backby resting it on suitable spacers (2 x 4's, etc.). ...
Page 9 - Natural Gas; BURNER AIR SHUTTER ADJUSTMENTS
– 9 – The oven should be connected to the gas line after leveling. The gas supply line must be at least the equivalentof 3 ⁄ 4 " (19mm) iron pipe. Make sure piping is clean and free of obstructions, dirt or pipe joint compound. WARNING: PRIOR TO LIGHTING, CHECK ALL JOINTS IN THE GAS SUPPLY LINE ...
Page 10 - OPERATION; MODEL GCO4S
– 10 – OPERATION CONTROLS — MODELS GCO4S AND GCO4D/GCO6D (Fig. 4) Fig. 4 MASTER SWITCH — ON — turns oven control circuits on.OFF — turns oven control circuits off. OVEN COOL SWITCH — Allows the fan motor to run with the doors ajar to speed oven cooling. LIGHT SWITCH — Turns lights in the oven on or ...
Page 12 - THERMOSTAT CONTROL; to set temperature display.; to set temperature display.
– 12 – CONTROLS — MODEL GCO4C/GCO6C (Fig. 5) Fig. 5 MODEL GCO4C/GCO6C PL-51606 THERMOSTAT GAS VALVE ON / OFF / OVEN COOL 2 SPEED FAN - HI / LO LIGHT SWITCH TIMER SWITCH TURN GA S VALVE "ON" PUSH M ASTER SW ITCH T O "ON" PO STIO N. IF O VEN FAILS TO LIG HT. P USH MASTER SWIT CH TO ...
Page 15 - Gentle Bake Button; gentle bake cycle time.; Hold Button; Is lit when in the Hold mode.
– 15 – Gentle Bake Button Selects the gentle bake time setting. A roast time must be set first. The gentle baketime can then be set equal to or less than the roast time. The gentle bake time will bethe portion of roast time to operate in the gentle bake mode. Gentle bake mode will startfirst. When g...
Page 16 - Adjusts air velocity in the oven.; LIGHT SWITCH; Turns lights in the oven on or off.; GAS VALVE; When ON, allows gas to flow to the ignition system.; LIGHTING THE GCO4C/GCO6C OVEN; Turn manual Gas Valve ON.; BEFORE FIRST USE
– 16 – ON/OFF/OVEN COOL 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. 2-SPEED FAN SWITCH Adjusts air velocity in the oven. LIGHT SWITCH Turns lights in the oven on or off. GAS V...
Page 17 - USING THE GCO4C/GCO6C OVEN; Preheating; Cooking; Press the Start/Stop button to start the cooking cycle.; End of Day; High ambient temperature (215
– 17 – USING THE GCO4C/GCO6C OVEN Preheating 1. Turn On/Off/Oven Cool switch to ON position. The Heat light will come on, indicating that power to the ovenis on. 2. Set Thermostat as desired. Refer to COOKING GUIDELINES for suggested temperatures and times forvarious products. 3. Prepare product and...
Page 18 - ROAST AND HOLD OPERATION; ROAST AND HOLD DIAGRAM - Time vs. Temperature; PRODUCT TEMPERATURE
– 18 – ROAST AND HOLD OPERATION Roast and Hold cooks the product in two stages. During First Stage Cooking, the oven temperature is regulatedby the Roast thermostat for the amount of time set on the Timer. After the lapsed time counts down to 00:00,Second Stage Cooking begins. During Second Stage Co...
Page 20 - Product
– 20 – COOKING CHARTS Models GCO4S, GCO4D/GCO4C and GCO6D/GCO6C BAKED PRODUCTS * Some people prefer high speed for darker cheese. ** Low speed will give you a more uniform color. Product Temp. Time (min.) No. Shelves Fan Speed ( ° F) ( ° C) Sheet Cakes (5 lb. each) (2.3 kg) 300 (149) 30 5 Low Soda B...
Page 21 - MISCELLANEOUS PRODUCTS; FOR BEST RESULTS
– 21 – MEAT & FISH PRODUCTS MISCELLANEOUS PRODUCTS FOR BEST RESULTS Product to be cooked should be centered on the oven rack, and the racks should be spaced evenly within theoven cavity. It is best not to rotate the product or open the doors during the cooking cycle. Preheat oven to 50 ° (10 ° C...
Page 22 - MAINTENANCE; REPLACING LAMPS; Remove all racks by pulling forward, lifting up and out.; SERVICE AND PARTS INFORMATION
– 22 – MAINTENANCE WARNING: TURN OVEN OFF AND UNPLUG POWER SUPPLY CORD BEFORE PERFORMING ANYMAINTENANCE. The fan motor comes with sealed bearings and requires no lubrication. If this oven is placed on casters, it should be connected to the supply piping with the proper disconnect deviceand restraint...
Page 23 - TROUBLESHOOTING; Turn oven off for 5 minutes before attempting to relight.
– 23 – TROUBLESHOOTING If NO IGNITION LIGHT remains lit for more than 20 seconds after three trials (Models GCO4S AND GCO4D/GCO6D), or "E-05" appears in the display after three trials (Model GCO4C/GCO6C): • Turn oven off for 5 minutes before attempting to relight. • Check gas supply valves t...
Page 24 - NOTES
– 24 – FORM 30903 Rev. B (2-98) PRINTED IN U.S.A. NOTES