Vulcan-Hart ML-135311-948RX, ML-135309-924RX, ML-135310-936RX, ML-135313-972RX, ML-135312-960RX User Manual
INSTALLATION & OPERATION MANUAL
900RX Heavy Duty Gas Griddles
M
ODEL
92 M
4RX L-135309-924RX
93 M
6RX L-135310-936RX
94 M
8RX L-135311-948RX
96 M
0RX L-135312-960RX
97 M
2RX L-135313-972RX
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ww.vulcanhart.com
M
LS
936RX
ITW Food Equipment Group, LLC
3600 North Point Blvd.
Baltimore, MD 21222
RETAIN THIS MANUAL FOR FUTURE USE
FORM F-36968 (rev. 3-08)
IMPORTANT FOR YOUR SAFETY
THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO
INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD
START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS
MANUAL.
POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN
THE EVENT THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE
OBTAINED FROM THE LOCAL GAS SUPPLIER.
IMPORTANT
IN THE EVENT A GAS ODOR IS DETECTED, SHUT
DOWN UNITS AT MAIN SHUTOFF VALVE AND
CONTACT THE LOCAL GAS COMPANY OR GAS
SUPPLIER FOR SERVICE.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF
THIS OR ANY OTHER APPLIANCE.
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.
IN THE EVENT OF A POWER FAILURE, DO NOT
ATTEMPT TO OPERATE THIS DEVICE.
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INSTALLATION, OPERATION AND CARE OF
HEAVY DUTY GAS GRIDDLES
GENERAL
Heavy Duty Gas Griddles are produced with quality workmanship and materials. Proper
installation, usage and maintenance of your griddle will result in many years of
satisfactory performance.
Thoroughly read this entire manual and carefully follow all of the instructions provided
Model Number of Burners BTU/hr Input Rating
924RX 2 54,000
936RX 3 81,000
948RX 4 108,000
960RX 5 135,000
972RX 6 162,000
INSTALLATION
Before installing, verify that the type of gas supply (natural gas or propane) agree with
the specifications on the rating plate located inside the griddle front panel. If the supply
and equipment requirements do not agree, do not proceed with the installation. Contact
your dealer immediately.
UNPACKING
This griddle was inspected before leaving the factory. The transportation company
assumes full responsibility for safe delivery upon acceptance of shipment. Check for
possible shipping damage immediately after unpacking. If the griddle is found to be
damaged, save the packaging material and contact the carrier within 15 days of delivery.
Carefully unpack your griddle and make sure that no parts are discarded with packaging
material. A pressure regulator designed to operate with the griddle has been supplied and
must be installed before the griddle is placed into service (Refer to GAS PRESSURE
REGULATOR INSTALLATION in this manual).
LOCATION
The installation location must be kept free and clear of combustibles. When installing,
never enclose the bottom of the griddle with a raised curb or other constructions that
would obstruct flow of air into or out of the griddle. Adequate clearance for air openings
into the combustion chamber must be provided. Make sure there is an adequate supply of
air in the room to replace air taken out by the ventilation system.
Do not permit air to blow directly at the griddle. Avoid open windows next to the griddle
wherever possible. Avoid wall-type fans which create air cross-currents within the room.
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This griddle is Design Certified for installation on a non-combustible counter with 4” legs,
or combustible floor with 25” high stand.
INSTALLATION CLEARANCES
COMBUSTIBLE CONSTRUCTION NON-COMBUSTIBLE CONSTRUCTION
Back: 6” 0”
Right 6” 0”
Left Side 6” 0”
INSTALLATION CODES AND STANDARDS
The griddle must be installed in accordance with:
In the United States of America:
1. State and local codes.
2. National Fuel Gas Code, ANSI-Z223.1/NFPA #54 (latest edition). This shall include but
not be limited to: NFPA #54 Section 10.3.5.2 for Venting. Copies may be obtained
from The American Gas Association Accredited Standards Committee Z223, @ 400
N. Capital St. NW, Washington, DC 20001 or the Secretary Standards Council, NFPA,
1 Batterymarch Park Quincy, MA 02169-7471
NOTE: In the Commonwealth of Massachusetts
All gas appliances vented through a ventilation hood or exhaust system equipped with
a damper or with a power means of exhaust shall comply with 248 CMR.
3. NFPA Standard # 96 Vapor Removal from Cooking Equipment, latest edition, available
from the National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
In Canada:
1. Local codes.
2. CAN/CSA-B149.1 Natural Gas Installation (latest edition)
3. CAN/CSA-B149.2 Propane Installation Code (latest edition), available from the
Canadian Gas Association, 178 Rexdale Blvd., Etobicoke, Ontario, Canada M9W 1R3
GRIDDLES MOUNTED ON STANDS WITH CASTERS
Griddles mounted on stands with casters must use a
flexible connector (not supplied) that complies with the
Standard for Connectors for Movable Gas Appliances
ANSI Z21.69•CSA6.16, and a quick-disconnect device
that complies with Gas Fuel, ANSI Z21.3•CSA6.9. In
addition, adequate means must be provided to limit
movement of the appliance without depending on the
connector and the quick-disconnect device (or its
associated piping) to limit appliance movement. Attach
the restraining device at the rear of the griddle as
shown in Fig. 3.
Fig. 3.
If disconnection of the restraint is necessary, turn off the gas supply before
disconnecting. Reconnect the restraint prior to turning the gas supply on and returning
the griddle to its installation position.
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Casters are only supplied on a griddle stand. If the griddle is moved for any reason the
griddle should be re-leveled (see LEVELING in this manual).
FLUE CONNECTIONS
Do not obstruct the flow of flue gases from the flue, located at the rear of the griddle. It is
recommended that flue gases be ventilated to the outside of the building through a
ventilation system installed by qualified personnel.
From the termination of the flue to the filters of the hood venting system, a minimum
clearance of 18” must be maintained.
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
02269.
STANDS
The griddle has an optional 25” high by 30” deep by 24”, 36”, 48”, 60” or 72” wide
stainless steel stand with casters. The two front casters lock. The stand includes a top
shelf with marine edges style lip and a lower shelf.
GAS CONNECTIONS
Gas supply connections and any pipe joint compound must be resistant to the
action of propane gases.
Use a ¾” NPT gas supply line for the griddle inlet, located at the rear of the griddle. All of
flexible and semi-rigid gas supply lines must comply with the applicable ANSI standard.
To ensure maximum operating efficiency this appliance must be connected with a gas
supply line of solid pipe or a commercial type Flexible Connector with the net inside
diameter (I.D.) as large as or larger than the gas pipe inlet on this appliance. Codes
require that a gas shutoff valve must be installed in the gas line upstream of the griddle.
Prior to lighting, check all joints in the gas supply line for leaks.
Use soap and water solution. Do not use an open flame.
After checking for leaks all lines receiving gas should be fully purged to remove air.
TESTING THE GAS SUPPLY SYSTEM
When the gas supply pressure exceeds ½ psig (3.45 kPa), the griddle and its individual
shutoff valve must be disconnected from the gas supply piping system.
When the gas supply pressure is ½ psig (3.45 kPa) or less, the griddle should be isolated
from the gas supply system by closing its individual manual shutoff valve.
GAS PRESSURE REGULATOR INSTALLATION
Gas regulator pressure is preset at 5” Water Column (W.C.) for natural gas, and 10” W.C.
for propane gas. No further adjustment should be required.
Install the regulator as close to the griddle on the gas supply line as possible. Make sure
that the arrow on the underside of the regulator is oriented in the direction of gas flow to
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