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SN-5G, SC-7G and SC-10G
GAS FIRED CONVECTION STEAMER
INSTALLATION – OPERATION – MAINTENANCE
BLODGETT OVEN COMPANY
www.blodgett.com
44 Lakeside Avenue, Burlington, Vermont 05401 USA Telephone (800) 331-5842, (802) 860-3700 Fax: (802) 864-0183
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S00041 Rev A (9/04)
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IMPORTANT NOTES FOR INSTALLATION AND OPERATION This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. WARNING: Improper installation, operation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing, operating or servicing this equipment. FOR YO
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TABLE OF CONTENTS DESCRIPTION PAGE 1.0 Service Connections ...............................................................................................4 2.0 Installation ...............................................................................................................6 3.0 Performance Check ..............................................................................................11 4.0 Operation Instructions .........................................
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4 [102] MIN. 1.0 SERVICE CONNECTIONS – SN-5G Unless otherwise specified, Field Wire Electrical Connection to be 120 Volts, 60 Hertz single phase with grounding wire. Furnished with 6 foot cord with 3 prong plug. Maximum amps 2.0. D DRAIN: 1"IPS piped to open floor drain. No Solid Connection. 24" length before open air gap opening. (No bends or elbows) GAS CONNECTION: 3/4"IPS supply line required. GENERATOR WATER: 3/8" O.D. tubing at 25-50 PSI(170-345 kPa) G CONDENSING WATER: 3/8" O.D. tubing a
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SERVICE CONNECTIONS – SC-7G and SC-10G Unless otherwise specified, Field Wire Electrical Connection to be 120 Volts, 60 Hertz single phase withgrounding wire. Furnished with 6 foot cord with 3 prong plug. Maximum amps 4.0. DRAIN: 1"IPS piped to open floor drain. No Solid Connection. 24" length before open air gap opening. (No bends or elbows) GAS CONNECTION: 3/4"IPS supply line required. GENERATOR WATER: 3/8" O.D. tubing at 25-50 PSI(170-345 kPa) CONDENSING WATER: 3/8" O.D. tubing at 25-50 PSI
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2.0 INSTALLATION GENERAL NOTICE: If this equipment is being installed at over 2,000 feet altitude and was not so specified on order, contact service department. Failure to install with proper orifice sizing may void the warranty. Installation must conform with local codes, or in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1, as applicable. 1. The appliance and its individual shut off valve must be
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2.2 WALL EXHAUST FAN: The exhaust fan should be installed at least two feet above the vent opening at the top of the unit. 2.3 CLEARANCES: Adequate clearance must be provided in aisle and at the side and back. Adequate clearances for air openings into the combustion chamber must be provided, as well as for serviceability for use on noncombustible floors. Minimum clearance from combustible and noncombustible construction, 3 inches on left side, 8 inches on right side and 6 inches from back. W
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GAS CONNECTION: 1. The Serial and Rating Plate on the unit indicates the type of gas your unit is equipped to burn. DO NOT connect to any other gas type. 2. A ¾" NPT line is provided at rear for the connection. Each compartment is equipped with an internal pressure regulator which is set at 3.5" W.C. manifold pressure for natural gas and 10" W.C. for propane gas. Use c" pipe tap on the burner manifold for checking pressure. An adequate gas supply is imperative. Undersized or low pressure lin
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ELECTRICAL CONNECTION WARNING: Do not connect the appliance to the electrical supply until after the gas connection has been made. 120 VAC-60 Hz-Single Phase Units with this electrical rating are factory supplied with a three-wire cord and three- prong plug which fits any standard 120V, three-prong grounded receptacle. A separate 15 amp supply is needed for each unit. PLUMBING CONNECTIONS WARNING: Plumbing connections must comply with applicable sanitary, safety and plumbing codes. Two water
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COLD WATER CONDENSER The steamer is equipped with a cold water condenser in the rear of the cooking chamber which helps to condense the steam prior to discharge into drain. The steamer freely vents itself by the negative pressure created by the condensate water drainage. This negative pressure prevents steam leakage around the door gasket and helps draw the steam through the cooking compartment. Steam leakage at the door may indicate a plugged or improperly installed drain. WATER CONDITIONING
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3.0 PERFORMANCE CHECK Once the steamer is installed and all mechanical connections have been made, thoroughly test the steamer before operation. 1. Check that proper water, drain and electrical and gas connections have been made. 2. Turn main power switch ON. After approximately 19 minutes, the “READY” light should come on, indicating that the water temperature is 205º Fahrenheit (97º Celsius). 3. Check that “Ignition” light comes on and cycles “ON” and “OFF”. 4. When the “READY” light comes o
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4.0 OPERATION INSTRUCTIONS WARNING: The steamer and its parts are hot. Use care when operating, cleaning or servicing the steamer. The cooking compartment contains live steam. Stay clear when opening door. Your steamer has been factory set when “ON” to maintain water temperature during the READY phase at approximately 205º Fahrenheit (97º Celsius) just below water boiling point. CONTROLS Ready Pilot Light When lit, indicates steam chamber has reached 205º Fahrenheit (97º Celsius) and is read
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WARNING: In the event a gas odour is detected, shut down equipment at the main shut off valve and contact the local gas company or gas supplier for service. LIGHTING 1. Ensure power, gas and water supply is on. 2. Turn power switch “ON”. 3. Generator tank will begin filling with water. 4. Once water level has been reached, the ignition light should come on and remain on until ready light comes on. 5. Steamer is now ready for use. SHUTDOWN STAND BY 1. Set timer to “OFF” position and leave door s
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STEAM COOKING Your steamer efficiently cooks vegetables or other foods for immediate serving. Steam cooking should be carefully time controlled. Keep hot food holding time to a minimum to produce the most appetizing results. Prepare small batches, cook only enough to start serving, then cook additional amounts to meet demand. Separate frozen foods into smaller pieces to allow more efficient cooking. Use a pan cover for pre-cooked frozen dishes that cannot be cooked in the covered containers
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5.0 PERIODIC MAINTENANCE NOTICE: As a safety precaution, disconnect the power supply during cleaning or servicing. CLEANING At the end of each day, or between cooking cycles if necessary: 1. Turn main power switch OFF. 2. Remove pans and racks from compartment and wash in sink. 3. Wash compartment interior with clean water. 4. Use warm soapy water with a cloth or sponge to clean exposed bead of door gasket, rinse with warm clear water and wipe with a dry cloth. Wipe surfaces which touch door g
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CLEANING Weekly, or more often if necessary: 1. Clean exterior with a damp cloth and polish with a soft dry cloth. 2. Use a non-abrasive cleaner to remove discolorations. 3. Clean around burner air mixer and orifice if lint has accumulated. Side cover must be removed to clean this area. Monthly: 1. Clean around burner air mixers, louvered panels if grease or lint has accumulated. Following daily and period maintenance procedures will enhance long-life for your equipment. Climatic conditions -
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MAINTENANCE STAINLESS STEEL To remove normal dirt, grease or product residue from stainless steel, use ordinary soap and water (with or without detergent) applied with a sponge or cloth. Dry thoroughly with a clean cloth. Never use vinegar or any corrosive cleaner. To remove grease and food splatters or condensed vapours that have baked on the equipment, apply cleanser to a damp cloth or sponge and rub cleanser on the metal in the direction of the polishing lines on the metal. Rubbing cleanse
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6.0 DELIMING PROCEDURE (For units equipped with this feature) WARNING: Read and follow instructions on the CLR bottle. Use plastic or rubber gloves to avoid skin contact. If CLR comes in contact with skin, rinse with clean water. 1. Drain steam generator by setting power switch to “OFF”, set cooking timer to 0. 2. Turn power switch to DELIME. 3. Unscrew brass deliming cap on right side of steamer. Insert hose in hole of port. Pour 20 ounces of solution into generator slowly to avoid spillag
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7.0 TROUBLESHOOTING ADJUSTMENTS WARNING: At least twice a year, have an authorized service person clean and adjust the unit for maximum performance. WARNING: Adjustments and service work may be performed only by a qualified technician who is experienced in, and knowledgeable with, the operation of commercial gas cooking equipment. However, to assure your confidence, contact your authorized service agency for reliable service, dependable advice or other assistance, and for genuine factory par
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Water flows into cooking compartment: 1. Shortage of circuit at operating probe and body. 2. Scale build-up on operating probe inside generator. 3. Water fill solenoid valve is open, plugged or defective. These problems are an indication of severe harmful water conditions which should be corrected immediately to avoid damage to the components and performance of the steamer. Door leaks: 1. Check for damage to door gasket. 2. Clogged compartment drain or plumbing. Water accumulates in the compartm
