Crown Steam GC-2 Installation Manual
INSTALLATION & OPERATION
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this
manual for the life of the equipment:
Model #: ___________________________
Serial #: ___________________________
Date Purchased: ____________________
MANUAL
Gas Cabinet Base Compartment Cookers
GC-2 GC-3 GDA-2 GDA-3
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.
MANUAL 10047R1
WARNING
CROWN FOOD SERVICE EQUIPMENT
Division of Middleby Canada Company Inc.
70 Oakdale Road, Downsview (Toronto) Ontario, Canada, M3N 1V9
Telephone: 919-762-1000 www.crownsteamgroup.com
Printed in Canada
INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
IMPORTANT NOTES FOR INSTALLATION AND OPERATION
It is recommended that this manual be read thoroughly and that all instructions be followed carefully.
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.
This manual should be retained for future reference.
FOR YOUR SAFETY: Do not store or use gasoline or other
flammable vapors or liquids in the vicinity of this or any other
appliance.
Intended for commercial use only. Not for household use.
PURCHASER: Instructions to be followed in the event that the operator of this
appliance smells gas must be posted in a prominent location. This information
shall be obtained by consulting the local gas supplier.
Keep the appliance area free and clear from combustibles.
Do not obstruct the flow of combustion and ventilation air.
Adequate clearances must be maintained for servicing and proper operation.
Do not attempt to operate this unit in the event of a power failure.
NOTICE: Contact the factory, the factory representative or local service
company to perform maintenance and repairs.
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INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
TABLE OF CONTENTS
DESCRIPTION PAGE
1.0 Service Connections ....................................................4
2.0 Installation Instructions ...................................................6
3.0 Operation Instructions ..................................................11
4.0 Operation Instructions for Boilers with CSD-1 Controls .........................17
5.0 Cooking Guidelines ....................................................20
6.0 Cleaning .............................................................22
7.0 Maintenance .........................................................23
8.0 Troubleshooting .......................................................29
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1.0 SERVICE CONNECTIONS
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1.0 SERVICE CONNECTIONS (Continued)
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INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
2.0 INSTALLATION INSTRUCTIONS
GENERAL
Models GC-2 and GC-3 Cookers have two and three pressurized steaming compartments for
cooking vegetables, fish, eggs, and other foods.
Models GDA-2 and GDA-3 Cookers have two or three compartments; the upper compartment
can be switched to provide either pressurized or pressureless steaming while the lower
compartment(s) provide pressurized cooking only.
The gas boiler in the cabinet base is rated, 250,000 BTU/hr and available in 300,000 BTU/hour,
in natural or propane gas.
Accessory 12 x 20" stainless steel pans are available, solid or perforated, in 2.5, 4 and 6"
depth.
ACCOMMODATION
MODEL COMPARTMENTS TOTAL NUMBER OF PANS NUMBER OF PANS PER COMPARTMENT
2.5" DEPTH 4" DEPTH 6" DEPTH 2.5" DEPTH 4" DEPTH 6" DEPTH
GC-2, GDA-2 2 16 8 4 8 4 2
GC-3, GDA-3 3 24 12 6
Each compartment has a 0 - 60 minute timer and a buzzer that requires manual shut-off. Doors
cannot be opened during cooking; each door is equipped with an interlock feature that stops
delivery of steam to the compartment before the door can be opened.
An optional Steam Take-Off Connection (3/4" NPT) can provide steam for adjacent equipment.
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INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
2.0 INSTALLATION INSTRUCTIONS (Continued)
INSTALLATION
UNPACKING
Immediately after unpacking, check for possible shipping damage. If the appliance is found to
be damaged, save the packaging material and contact the carrier within 15 days of delivery.
Before installing, verify the electrical and gas rating agrees with the specification on the rating
plate.
LOCATION
Position the boiler in its installation location. Check that there are sufficient clearances to
service the controls, door swing, etc. Also adequate clearance must be left for making the
required supply and drain connections.
Allow enough space between any other piece of equipment or wall for service access. Service
to the controls may be required on the left and/or right side panels of the cabinet.
INSTALLATION CODES AND STANDARDS
Gas installation to conform to local codes, or in 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, including:
1. The appliance and its individual shut off valve must be disconnected from the gas supply
piping system during any pressure testing of that system at pressures in excess of ½ psi
(3.5 kPa).
2. The appliance must be isolated from the gas supply piping system by closing its individual
manual shut off valve during any pressure testing of the gas supply piping system at test
pressures equal to or less than ½ psi (3.5 kPa).
Electrical grounding must be provided in accordance with local codes, or in the absence of local
codes, with the National Electrical Code ANSI/NFPA 70. In Canada, installation must be in
accordance with the Canadian Electrical Code CSA C22.2.
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2.0 INSTALLATION INSTRUCTIONS (Continued)
LEVELLING AND ANCHORING THE CABINET
1. Place appliance in the installation position.
2. Using a spirit level or pan of water, level the appliance. Then elevate the right side about
1/8" to assure proper compartment drainage.
3. Mark hole locations on the floor through the anchoring holes provided in the rear flanged
adjustable feet.
4. Remove appliance from installation position and drill holes in locations marked on the floor.
(See installation diagram on page 4.) Insert proper anchoring devices (not supplied).
5. Place appliance back in the installation position.
6. Recheck level.
7. Bolt and anchor appliance securely to the floor.
8. Seal bolts and flanged feet with silastic or equivalent compound.
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 electrical power supply and place a tag at
the disconnect switch to indicate you are working on the circuit.
ELECTRICAL CONNECTIONS
When making electrical connections, use copper wire suitable for at least 200°F (90°C). The
steamer must be grounded in accordance with the National Electrical Code or applicable local
codes. The wiring diagram is located on the inside of the right panel.
EXHAUST HOOD
An exhaust system should be located directly above the steamer to exhaust steam and heat
generated by the steamer.
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INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
2.0 INSTALLATIONS INSTRUCTIONS (Continued)
SERVICE CONNECTIONS
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.
PLUMBING CONNECTIONS
WARNING: Plumbing connections must comply with applicable
sanitary, safety, and plumbing codes.
WATER SUPPLY CONNECTION
The incoming cold water supply connection, at the rear of the cooker cabinet, requires 3/8"
tubing and water pressure of 25 - 50 psi. A manual shut-off valve must be provided convenient
to the appliance; this valve should be open when the boiler is in operation.
FAILURE OR MALFUNCTION OF THIS APPLIANCE DUE TO POOR WATER QUALITY IS
NOT COVERED UNDER WARRANTY. SEE WATER QUALITY STATEMENT (PAGE 4 AND
5.)
DRAIN CONNECTION
The cooker drain (2" IPS) should be piped to a floor drain near the cooker. There should be no
solid drain connection; an “open gap” between the steamer and the floor drain is required.
GAS CONNECTION
1. The data plate on the cabinet door of the boiler indicates the type of gas your unit is
equipped to burn. DO NOT connect to any other gas type.
Keep the appliance area free and clear from combustible substances. Do not obstruct
the flow of combustion and ventilation air.
2. A 3/4" NPT line is provided at the rear for the connection. Each boiler is equipped with
an internal pressure regulator which is set at 3.5" W.C. manifold pressure for natural
gas or 10.5" W.C. for L.P. gas. Use the 1/8" pipe tap on the burner manifold for
checking pressure.
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INSTALLATION AND OPERATION MANUAL, PRESSURE COOKERS, GC-2, GC-3, GDA-2, GDA-3
2.0 INSTALLATION INSTRUCTIONS (Continued)
GAS CONNECTION (Continued)
An adequate gas supply is necessary. Undersized or low pressure lines will restrict the volume
of gas required for satisfactory performance. A steady supply pressure, between 7" W.C. and
14" W.C. for natural gas and 11" W.C. and 14" W.C. for propane gas is recommended. With all
units operating simultaneously, the manifold pressure on all units should not show any
appreciable drop. Fluctuations of more than 25% on natural gas, and 10% on propane gas, will
create pilot problems and affect burner operating characteristics. 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.
Codes require that a gas shut-off valve be installed in the gas line prior to the steamer. Make
sure the pipes are clean and free of obstructions, dirt, and piping compound.
NOTICE: If applicable, the vent line from the gas appliance pressure regulator
shall be installed to the outdoors in accordance 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.
WARNING: Prior to start-up, check all joints in the gas supply line
for leaks. Use soap and water solution. Do not use an open flame.
PART NUMBER 10047R1 10 2004-01-19
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