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GCX-10-6
Installation Manual
33 pgs1.26 Mb0

Crown Steam GCX-10-6 Installation Manual

INSTALLATION & OPERATION
MANUAL
Gas Cabinet Base Convection Steamer with Direct Steam Kettle(s)
GCX-2-(6,10) GCX-10-(6,10) GCX-2-6-6 GCX-10-6-6
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 10122R1
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, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
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 YOUR SAFETY: Do not store or use gasoline or other flammable vapours or liquids in the vicinity of this or any other appliance.
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.
Do not attempt to operate this unit in the event of a power failure.
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.
Intended for commercial use only. Not for household use.
This manual should be retained for future reference.
PART NUMBER 10122R1 2 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
TABLE OF CONTENTS
DESCRIPTION PAGE
Important Notes for Installation and Operation ....................................2
Service Connections ........................................................4
Introduction ...............................................................6
1.0 Installation Instructions ...................................................7
2.0 Operation Instructions for Boilers with Standard Controls ........................13
3.0 Operation Instruction for Boilers with CSD-1 Controls ..........................16
4.0 Operation Instructions - Cooker Section and Direct Steam Kettles ................20
5.0 Cleaning Instructions ...................................................23
6.0 Maintenance .........................................................26
7.0 Adjustments .........................................................29
8.0 Troubleshooting .......................................................31
PART NUMBER 10122R1 3 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
SERVICE CONNECTIONS
PART NUMBER 10122R1 4 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
SERVICE CONNECTIONS
PART NUMBER 10122R1 5 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
INTRODUCTION
DESCRIPTION:
Models GCX-2-6, GCX-2-10, GCX-2-6-6 and GCX-2-6-10, convection steamers with direct steam kettle(s) mounted on cabinet base and a gas fired boiler rated at 200,000, 250,000 or 300,000 BTU. Each steamer has a pan capacity of 6 (2-1/2") pans. Kettle(s) is/are conveniently mounted beside the compartment cooker complete with mounted steam control valve located in the kettle leg. Kettle(s) is/are direct connected to boiler and all piping, steam traps and relief valves are connected to system. Kettle(s) is/are suffixed with either -6 or -10 to indicate the capacity of that kettle in U.S. gallons.
BASIC FUNCTION: Gas fired steamers with direct connected steam kettles. The sequence of operation is as
follows:
1. Turn on main power switch. Pilot light will indicate main power is on and fill solenoid will open and water will begin to fill boiler. Allow 20 minutes to fill generator. OFF shuts off the boiler controls and opens the automatic blowdown valve, if so equipped, emptying the boiler and releasing water and steam to the drain. Manual valve will have to be opened to drain boiler if not equipped with automatic blowdown valve.
2. Boiler pressure gauge should read 9 - 11 psi during operation, 0 psi during shutdown.
3. Burners will cycle on and off as required to maintain pressure.
4. Compartment cooker is ready for use when READY light is on. Place pans of food to be cooked into compartments and close door(s).
5. Set timer to cooking time desired. Cooking will commence and cooking time may be interrupted at any time by opening door and resumed again by closing door.
6. Buzzer will sound indicating the end of the cooking cycle and that steam has stopped entering the compartment. The COOKING pilot will go off and the READY light will come on. Buzzer must be shut off by turning the timer to its off position.
7. Direct connected steam jacketed kettles consist of a stainless steel bowl and a stainless steel jacket which envelopes two thirds of the lower surface of the kettle thus forming a sealed pressure vessel (chamber) into which steam is introduced by means of a manual valve. Slowly turn steam control valve on to full open position (counterclockwise).
8. Regulate steam control valve depending on type of food being prepared.
PART NUMBER 10122R1 6 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
INTRODUCTION (Continued) BASIC FUNCTION: (Continued)
9. To empty food from kettle, pull forward on handle slowly to avoid injury from spill and place kettle in upright position when empty.
GENERAL
The gas boiler in this appliance is designed to ASME Code and approved as a steam heating boiler restricted to operation at pressure not to exceed 15 psi. The gas boiler is installed in a 60" cabinet base rated at 200,000, 250,000 or 300,000 BTU, operational on Natural or Propane gas. Boilers may have optional electronic ignition and CSD-1 controls.
1.0 INSTALLATION INSTRUCTIONS
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 that the gas (natural or propane), the elevation from sea level and the electrical supply agree with the specification on the data plate. NOTE: If this appliance is being installed above 2000 feet altitude, contact your authorized service office to assure that the proper orifice size for your elevation has been installed.
LOCATION
The installation location must be kept free and clear of combustibles. Do not obstruct the flow of combustion and ventilation air. Clearance from combustible construction must be a minimum of 3 inches from the sides and 6 inches from the back. The appliance should be installed on a noncombustible floor. Provide adequate clearances for cleaning, maintenance, service and proper operation.
Sufficient air should be allowed to enter the room to compensate for the amount of air removed by any ventilating system and for combustion of the gas burners. Do not obstruct the air flow into and around the appliance. Do not obstruct the flow of flue gases from the flue duct located at the rear and above the cabinet. Position the appliance in its final location. Check that there are sufficient clearances to service the controls, for door swings, etc., so there will be no problem in making the required supply and drain connections.
Allow enough space between any other piece of equipment or a wall for service access. Service on the cabinet base may require access to the left and/or right side panels.
PART NUMBER 10122R1 7 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
LEVELLING AND ANCHORING THE APPLIANCE
1. Place appliance in the installation position.
2. Place a carpenter’s level on top of the appliance and turn the adjustable feet to level side­to-side and front-to-back.
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. Insert proper anchoring devices (not supplied).
5. Place appliance back in the installation position.
6. Place carpenter’s level on top of appliance and re-level side-to-side and front-to-back.
7. Bolt and anchor appliance securely to the floor.
8. Seal bolts and flanged feet with silastic or equivalent compound.
INSTALLATION CODES AND STANDARDS
Installation must 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 psig (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 psig (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.
Ventilation must be provided in accordance with local codes, or in the absence of local codes, with ANSI/NFPA 96 Standard for Ventilation and Fire Protection of Commercial Cooking
Operations.
PART NUMBER 10122R1 8 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
INSTALLATION CODES AND STANDARDS (Continued)
WIRING DIAGRAM FOR APPLIANCE IS LOCATED INSIDE CABINET DOOR.
EXHAUST FANS AND CANOPIES:
Canopies are set over ranges, ovens, kettles, etc., for ventilation purposes. It is recommended that a canopy extend 6" 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. This position prevents dripping of grease and facilitates collecting the run-off grease in a drip pan, usually installed with the filter. A strong exhaust fan tends to create a vacuum in the room and may interfere with burner performance or may extinguish pilot flames. Makeup air openings approximately equal to the fan area will relieve such vacuum. In case of unsatisfactory performance on any appliance, check with the exhaust fan in the “OFF” position.
Information on the construction and installation of ventilating hoods may be obtained from the standard for “Vapor Removal from Cooking Equipment”, NFPA No. 96 (latest edition), available from the National Fire Protection Association, Batterymarch Park, Quincy, MA, USA, 02269.
PART NUMBER 10122R1 9 2003-10-09
INSTALLATION AND OPERATION MANUAL, GAS FIRED PRESSURELESS COOKER WITH
DIRECT STEAM KETTLES, MODELS GCX-2-6, GCX-2-10, GCX-2-6-6 AND GCX-2-6-10
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 steamer 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.)
DRAIN CONNECTION
The appliance drain (2" IPS) should be piped to a floor drain near the steamer. 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.
PART NUMBER 10122R1 10 2003-10-09
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