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Installation & Operation Manual
Oyster Bars, Electric Boilers
OB-2-2-27-G, OB-3-2-40-G & OB-4-2-54-G
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury
or death. Read the installation, operating and maintenance instructions thoroughly before installing or
M
R
ANUAL 10104
EV 3 (08/22)
$21.00
Model OB-4-2-54-G
servicing this equipment.
CROWN FOOD SERVICE EQUIPMENT
70 Oakdale Road, Downsview (Toronto) Ontario, Canada, M3N 1V9
Telephone: 919-762-1000
WARNING
A Middleby Company
www.crownsteamgroup.com
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this
manual for the life of the equipment:
Model #: ___________________________
Serial #: ___________________________
Date Purchased: _____________________
OYSTER BARS, GAS BOILERS
M
S
ANUAL
ECTION
CO
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Related Manuals for Crown OB-2-2-27-G
Summary of Contents for Crown OB-2-2-27-G
- Page 1 Serial #: ___________________________ Date Purchased: _____________________ Installation & Operation Manual Oyster Bars, Electric Boilers OB-2-2-27-G, OB-3-2-40-G & OB-4-2-54-G Model OB-4-2-54-G WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.
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Page 2: Important Notes For Installation And Operation
This manual should be retained for future reference. It is recommended that this manual be read thoroughly and that all instructions be followed carefully. Copyright © 2022 by Crown. All rights reserved. Published in the United States of America. PAGE OF 20 INSTALLATION &... -
Page 3: Table Of Contents
Oyster Bars, Gas Boilers Table of Contents RETAIN THIS MANUAL FOR FUTURE REFERENCE. Table of Contents Important Notes For Installation and Operation ..............2 Service Connections ......................4 Installation Instructions ......................5 Operation ..........................8 CSD-1 Optional Feature ....................10 Periodic Maintenance ...................... -
Page 4: Service Connections
WATER QUALITY STATEMENT Water is the essential ingredient in steam equipment, water quality is the major factor affecting the performance of your appliance. Crown Steam Group offers a Comprehensive Water Treatment System which exceeds our minimum water requirements. Proof of installation and proper cartridges replacement is required for warranty coverage. -
Page 5: Installation Instructions
Oyster Bars, Gas Boilers Installation NSTALLATION NSTRUCTIONS General Direct steam jacketed oyster cookers are pressure vessels of a double wall stainless steel construction forming a steam chamber (jacket) enveloping the bowl surface. Mounted on a modular cabinet base housing a gas boiler designed to ASME Code and approved as a steam heating boiler restricted to operation at pressure not to exceed 15 psi. - Page 6 Installation Oyster Bars, Gas Boilers Exhaust Fans and Canopies Canopies are set over ranges, ovens, kettles, etc., for ventilation purposes. It is recommended that a canopy extend 6 inches past the appliance and be located 6 feet 6 inches from the floor. Filters should be installed at an angle of 45 degrees or more with the horizontal.
- Page 7 Oyster Bars, Gas Boilers Installation Contact your gas company for correct supply line sizes. Purge the supply line to clean out any dust, dirt, or foreign matter before connecting the line to the unit. CAUTION The pipe thread compound used when installing pipes must be a type that is resistant to the action of liquified petroleum or propane gases.
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Page 8: Operation
Operation Oyster Bars, Gas Boilers PERATION For CSD-1 equipped boilers, see this section for CSD-1 Optional Feature for proper operating instructions. WARNING Do not force the gas control knob. Use only your hand to turn the gas control knob. Never use any tool. If the gas control knob will not operate by hand the gas control should be replaced by a qualified service technician. - Page 9 Oyster Bars, Gas Boilers Operation Operation of the Boiler Start Up - Boiler Operation with Standing Pilot Ignition Open manual gas shut off supply valve and if the appliance has a manual blowdown valve, close it. Open cabinet door and turn ON power switch located on left side. Green pilot light will come on, water will begin to enter boiler and required water level will be reached in about three minutes.
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Page 10: Csd-1 Optional Feature
Operation Oyster Bars, Gas Boilers Operation Instructions for CSD-1 Optional Feature Initial Start-Up Procedure 1. Open the manual gas shut-off supply valve. 2. Close the manual blowdown valve, if so equipped. 3. Light the pilot burner. The dial on the combination gas valve has three positions (ON-OFF-PILOT) for manual gas control of main burners and pilot burner. - Page 11 Oyster Bars, Gas Boilers Normal Boiler Operating Cycle Water Fill Cycle On the initial filling of the boiler, the reset switch must be activated to initialize the safety lockout circuit. Once the water in the boiler has reached the proper level, the level control will stop the flow of water to the boiler. As water is consumed in the production of steam, the level control will replenish water to the boiler.
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Page 12: Periodic Maintenance
Periodic Maintenance Oyster Bars, Gas Boilers Periodic Maintenance WARNING Disconnect the unit from the power supply before cleaning or servicing appliance. NOTICE Contact the factory, the factory representative or a local service company to perform maintenance and repairs should the appliance malfunction. Refer to warranty terms. IMPORTANT INSTRUCTIONS Be sure to flush your boiler water level control daily. - Page 13 Oyster Bars, Gas Boilers Periodic Maintenance WARNING Disconnect the power supply to the appliance before cleaning or servicing. 1. If water in sight glass is not clear and appears murky, this indicates poor water quality and may cause control failure. SEE WATER QUALITY STATEMENT, page 4. 2.
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Page 14: Oyster Cooker Functioning Mode
Cooker Function Mode / Operation / Preventive Maintenance Oyster Bars, Gas Boilers Oyster Cooker Functioning Mode Direct connected steam jacketed oyster cooker consists of a stainless steel bowl and a stainless steel jacket which envelopes the surface of the bowl thus forming a sealed pressure vessel (chamber) into which steam is introduced by means of a manual control valve. -
Page 15: Cleaning
Oyster Bars, Gas Boilers Cleaning Cleaning WARNING Never spray water into electric controls. CAUTION Do not use cleaning agents that are corrosive. CAUTION Live steam and accumulated hot water in the compartment may be released when the door is opened. CAUTION Disconnect the power supply during cleaning or servicing. -
Page 16: Adjustments
Adjustments Oyster Bars, Gas Boilers Adjustments WARNING At least twice a year have an authorized service person clean and adjust the unit for maximum performance. Calibrate Pressure Switches NOTICE Pressure switches are factory set. Calibration is only required if pressure switches are replaced or if adjustment is required. -
Page 17: Troubleshooting
Oyster Bars, Gas Boilers ROUBLESHOOTING Troubleshooting WARNING The boiler and its parts are hot. Use care when operating, cleaning, or servicing the boiler. Burners Produce Carbon Deposits 1. Wrong size orifices. 2. Burner air not adjusted properly. 3. Wrong gas supply. 4. - Page 18 Oyster Bars, Gas Boilers ROUBLESHOOTING Safety Relief Valve Blows 1. Defective safety valve. 2. Pressure too high. Pressure switch requires adjustment (lower) or may be defective. Water Not Being Supplied to Boiler 1. Water supply is “OFF”. 2. Defective water fill Solenoid Valve. 3.
- Page 19 Oyster Bars, Gas Boilers Notes INSTALLATION & OPERATION MANUAL 10104 REV 3 (08/22) PAGE OF 20...
- Page 20 OB-2-2-27-G, OB-3-2-40-G & OB-4-2-54-G A product with the Crown name incorporates the best in durability and low maintenance. We all recognize, however, that replacement parts and occasional professional service may be necessary to extend the useful life of this appliance.