Vulcan-Hart | 924RE ML-135221-00G24, 936RE ML-135222-00G36, 948RE ML-135223-00G48, 960RE ML-135224-00G60, 972RE ML-135225-00G72 | Specifications | Vulcan-Hart 924RE ML-135221-00G24, 936RE ML-135222-00G36, 948RE ML-135223-00G48, 960RE ML-135224-00G60, 972RE ML-135225-00G72 Specifications

Vulcan-Hart 924RE ML-135221-00G24, 936RE ML-135222-00G36, 948RE ML-135223-00G48, 960RE ML-135224-00G60, 972RE ML-135225-00G72 Specifications
INSTALLATION & OPERATION MANUAL FOR
Heavy Duty Gas Griddles
MODEL
MLS
924RE
ML-135221-00G24
936RE
ML-135222-00G36
948RE
ML-135223-00G48
960RE
ML-135224-00G60
972RE
ML-135225-00G72
www.vulcanhart.com
924RE
MODELS
AGE24
ITW Food Equipment Group, LLC
3600 North Point Blvd.
Baltimore, MD 21222
MLS
AGE24
ML-135226-00G24
AGE36
ML-135227-00G36
AGE48
ML-135228-00G48
AGE60
ML-135229-00G60
AGE72
ML-135230-00G72
www.wolfrange.com
RETAIN THIS MANUAL FOR FUTURE USE
FORM F-36958 (4-07)
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.
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.
IN THE EVENT OF A POWER FAILURE, DO NOT
ATTEMPT TO OPERATE THIS DEVICE.
-2-
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
924RE, AGE24
2
60,000
936RE, AGE36
3
90,000
948RE, AGE48
4
120,000
960RE, AGE60
5
150,000
972RE, AGE72
6
180,000
INSTALLATION
Before installing, verify that the electrical service and type of gas supply (natural gas or
propane) agree with the specifications on the rating plate riveted to the right side of the
unit in the upper front corner. 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.
-3-
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
Back:
Right Side:
Left Side
6”
6”
6”
NON-COMBUSTIBLE
CONSTRUCTION
0”
0”
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
GAS CONNECTIONS
CAUTION: 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.
WARNING: 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.
-4-
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. Minor adjustments may be required based on site specific gas pressure.
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
the griddle (Fig. 1) and the regulator is positioned with the vent plug and adjustment
screw upright (Fig. 2).
Fig. 1
Fig. 2
The minimum supply pressure (upstream of the regulator) should be 7-9” W.C. for natural
gas and 11-12” W.C. for propane gas. At no time should the griddle be connected to
supply pressure greater than ½ psig (3.45 kPa) or 14” W.C.
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.
ELECTRICAL CONNECTIONS
Power supply for electric thermostats is 120 volts, 5 amps, 50/60 Hertz, 1 phase.
Do not connect the griddle to electrical supply until after gas connections are made.
WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE
APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER
LOCAL ELECTRICAL CODES.
WARNING: DISCONNECT THE ELECTRICAL POWER TO THE GRIDDLE AND FOLLOW
LOCKOUT / TAGOUT PROCEDURES.
WARNING: APPLIANCES EQUIPPED WITH A FLEXIBLE ELECTRIC SUPPLY CORD ARE
PROVIDED WITH A THREE-PRONG GROUNDING PLUG. IT IS IMPERATIVE THAT THIS
PLUG BE CONNECTED INTO A PROPERLY GROUNDED THREE-PRONG RECEPTACLE.
IF THE RECEPTACLE IS NOT THE PROPER GROUNDING TYPE, CONTACT AN
ELECTRICIAN. DO NOT REMOVE THE GROUNDING PRONG FROM THIS PLUG.
-5-
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.
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.
ADJUSTMENTS
LEVELING
The griddle must be level (side-to-side and front-to-back) during operation to ensure
proper performance. Improper leveling can result in uneven temperature distribution, cold
spots, and possibly damage electrical components.
1. Place a level on the griddle.
2. Adjust legs by turning the bullet feet at the bottom of each leg. Using pliers or a
crescent wrench, turn the feet counter-clockwise to increase height, and clockwise to
decrease height until leveling is achieved. Do not extend the legs more than 1-¾”.
PILOT ADJUSTMENT
Remove front panel. Using a flathead screwdriver, turn the slotted hex-head pilot
adjustment screw clockwise to decrease the flame, and counterclockwise to increase the
flame. Pilot adjustments should only be performed by qualified Service Personnel.
-6-
CALIBRATION
1. Each thermostat controls a 12” zone of the
griddle. Using a Surface Probe temperature
measurement device, observe the temperatures
at the center points of the cooking zones.
These points are located by starting 6” from the
side splash (left or right) and every 12” across
the width of the griddle, with all points located
12” back from the front edge of the griddle
plate.
NOTE: Use of infrared thermometers is not
recommended. These devices are highly
sensitive to surface color (clean or dirty), angle
of reading and distance from the unit.
2. Set thermostats to 350°F and allow to stabilize,
allowing the indicator light to cycle ON and
OFF at least two times.
3. Watch for indicator light to cycle OFF, then
measure the temperature for that zone. The
temperature should be 350°F ±15°F. If not,
continue to Step 4.
4.
a. Carefully loosen the knob set
screw. DO NOT allow the knob to
turn. Carefully remove the knob
from
the
thermostat
shaft,
exposing the temperature dial.
b. Loosen screws on the temperature
dial and adjust to that the
temperature indicated by the knob
arrow matches the griddle plate
temperature reading. Knob will
have to be placed back on the
shaft to verify adjustment.
IMPORTANT: NEVER ADJUST THE
SCREW IN THE CENTER OF THE
THERMOSTAT SHAFT. This will ruin the
factory calibration; the thermostat will no
longer operate properly and will need to
be replaced.
5. Once calibration is achieved, tighten the
temperature dial screws and knob set
screws.
-7-
Step 4a. Set knob &
check Temperature.
Remove knob
Step 4b. – Adjust
temperature dial &
verify temperature
setting
Step 5 –Replace
knob & tighten
screws
OPERATION
WARNING: THE GRIDDLE AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING,
CLEANING OR SERVICING.
BEFORE FIRST USE
Before leaving the factory the griddle is coated with vegetable oil as a rust inhibitor.
Remove this film when the griddle plate is being cleaned prior to its first cooking use.
Heat the griddle to 200-300°F to loosen and melt the coating, then clean the surface with
a non-corrosive, grease dissolving commercial cleaner, following the manufacturer’s
directions. Rinse thoroughly and wipe dry with a soft clean cloth. Clean all accessories.
SEASONING THE GRIDDLE
Season the griddle to avoid possible surface corrosion before first use, and after every
cleaning. Heat griddle to a low temperature (300-350°F) and apply a small amount of
cooking oil – about one ounce per square foot of surface. Use a soft lint-free cloth to
spread the oil over the entire griddle surface to create a thin film. Wipe off any excess oil
with a cloth. Repeat the procedure until the griddle has a slick, mirror-like finish.
CONTROLS
TEMPERATURE
DIAL
THERMOSTAT – Each thermostat controls
the gas flow to the burner to bring that
area of the griddle plate up to the set
temperature. Indicator lights indicate when
a gas valve is open and a burner is active.
POWER SWITCH – activates/deactivates
electrical power to the griddle. Unit will
only operate if power is on.
KNOB
INDICATOR
LIGHT
POWER
SWITCH
KNOB GUARD
(OPTIONAL)
INDICATOR LIGHT – each burner has an associated light that will illuminate when the
burner is in operation.
OPERATION OF GRIDDLE WITH ELECTRONIC IGNITION SYSTEM
1. Set the cooking temperature of each thermostat to be used.
2. Push ON/OFF switch to ON. The red indicator light will glow, indicating the griddle is
on and calling for heat.
SHUTDOWN OF GRIDDLE WITH ELECTRONIC IGNITION SYSTEM
1. Push ON/OFF switch to OFF. Red indicator light will stop glowing; indicating that gas
has been shut off to main burners and the griddle is not heating.
EXTENDED SHUTDOWN
1. Shut off the main gas supply valve.
2. Unplug the griddle electrical supply cord.
3. Apply a heavy coat of vegetable oil over the griddle plate to inhibit rust.
-8-
USING THE GRIDDLE
Each 12” section of the griddle is independently controlled by a thermostat. Turn the
thermostat(s) to the desired setting.
To preheat, turn the burners on about 20-25 minutes before cooking.
A uniform and systematic approach to loading the griddle will produce the most consistent
product results.
The griddle plate is steel, but the surface is relatively soft and can be scored or dented by
careless use of a spatula or scraper. Be careful not to dent, scratch, or gouge the plate
surface. Do not try to knock off loose food that may be on the spatula by tapping the
corner or the edge of the spatula on the griddle surface.
ZONE COOKING
This griddle features a tubular U-shaped burner in 12” sections, each controlled by
independent thermostats. Each 12” section is a separate cooking zone, and allows
cooking a wide variety of products over a single griddle plate. The chart below is a
suggested usage of zone cooking.
When zone cooking, it is suggested that you start with your lowest temperature setting at
either side of the griddle, increasing the zone temperature as you move up the zone line.
These zone cooking guidelines will vary depending on product temperatures, size and
shape.
This guide should be adjusted to suit your product and operational cooking preference.
ZONE 1
(300°F)
PRODUCT
Sausage
E g g s ( Ha r d F r i e d )
E g g s ( S c r a mb l e d )
Burger (Well Done)
Steak (Well Done)
Chicken Breast
Frozen Foods
P o r k Ch o p s
ZONE 2
ZONE 3
(350°F)
(350°F)
PRODUCT
Pancakes
O me l e t
F r e n c h To a s t
H a s h B r o wn s
Bacon
Canadian Bacon
Eggs (Sunny Side Up)
Boiled Ham
S t e a k ( Me d i u m W e l l )
Fresh Burger (Medium Well)
S ma l l F r o z e n B u r g e r ( Me d i u m W e l l )
-9-
ZONE 4
(400°F)
PRODUCT
S t e a k ( Ra r e )
Stir Fry Vegetables
S a l mo n
F i s h Ca k e s
Lobster
Scampi
CLEANING THE GRIDDLE
WARNING: DISCONNECT THE ELECTRICAL POWER TO THE APPLIANCE AND
FOLLOW LOCKOUT/TAGOUT PROCEDURES.
Empty the grease drawer as needed throughout the day and regularly clean at least once
daily.
Clean the griddle regularly. A clean griddle always looks better, lasts longer and performs
better. To produce evenly cooked, perfectly browned griddle products keep the griddle
plate clean and free of carbonized grease. Carbonized grease on the surface hinders the
transfer of heat from the griddle surface to the food, resulting in spotty browning and loss
of cooking efficiency. Carbonized grease tends to cling to griddle foods, giving them a
highly unsatisfactory and unappetizing appearance.
To keep the griddle clean and operating at peak efficiency, follow these procedures:
AFTER EACH USE
Clean the griddle with a wire brush of flexible spatula.
ONCE PER DAY
Thoroughly clean the griddle back splash, sides and front. Remove, empty and wash the
grease drawer in the same manner as an ordinary cooking utensil.
ONCE PER WEEK
Clean the griddle surface thoroughly. Use a griddle stone, screen, or Scotch Bright pad
on the surface as necessary. Rub with the grain of the metal while the griddle is still
warm (not hot). A detergent may be used on the plate surface to help clean it, but be sure
the detergent is thoroughly removed by flushing with clear water.
After removal of detergent the surface of the plate the griddle should be seasoned
according to the instructions in this manual.
Clean stainless steel surfaces with a damp cloth and polish with a soft dry cloth. To
remove discoloration, use a griddle cleaner.
If the griddle usage is very high, consider conducting this weekly cleaning procedure
more than once per week.
CLEANING A CHROME GRIDDLE PLATE
AFTER EACH USE
Clean the griddle with a palmetto brush or flexible spatula. NEVER USE AN ABRASIVE
SCOURING PAD OR GRIDDLE STONE ON A CHROME PLATE SURFACE.
ONCE PER DAY
Thoroughly clean backsplash, sides, and front. Do not hit the backsplash with a spatula
or any other tool. This may create a gap between the splash and griddle plate that is
hard to clean.
Clean stainless steel and chrome surfaces with a damp cloth and polish with a soft dry
cloth.
- 10 -
MAINTENANCE
WARNING: THE GRIDDLE AND ITS PARTS ARE HOT. USE CARE WHEN OPERATING,
CLEANING OR SERVICING THE GRIDDLE.
WARNING: DISCONNECT THE ELETRICAL POWER TO THE APPLIANCE AND FOLLOW
LOCKOUT/TAGOUT PROCEDURES.
LUBRICATION
All valves and thermostats must be checked and lubricated periodically. Check with your
Service Agency for details.
VENT / FLUE
Periodically, when the griddle is cool, check the flue and clear any obstructions.
SERVICE AND PARTS INFORMATION
Contact the Service Agency in your area to obtain service and parts information. For a
complete listing of Service and Parts depots refer to www.vulcanhart.com or
www.wolfrange.com.
When calling for service the following information should be available from the appliance
serial plate: Model Number, Serial Number, Gas Type and Voltage.
ACCESSORIES
STANDS
The griddle has an optional 24” high by 30” deep by 24”, 36”, 48”, 60”
stainless steel stand with casters or flanged legs. The front casters lock, and
may be bolted to the floor. The stand includes a top shelf with marine edges
a lower shelf. When mounted on a stand with standard legs and properly
griddle plate cooking surface should be approximately 36” from the floor.
or 72” wide
flanged legs
style lip and
leveled, the
CUTTING BOARDS & TOWEL BARS
Refer to the installation instructions provided with the cutting board or towel bar kit.
FRONT GREASE
STANDARD
BULLNOSE
FRONT GREASE
CUTTING
BOARD
FRONT GREASE
TOWEL BAR
REAR GREASE
STANDARD
BULLNOSE
REAR GREASE
TOWEL BAR
- 11 -
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES
Heat does not come on
when the thermostat is
turned on
1. No power to unit – verify unit plugged. Check circuit
breaker or GFI (Ground Fault Indicator).
2. Problem with thermostat. (Call for service)
3. Loose wiring connection. (Call for service)
4. Pilot burner not lit. (Call for service)
5. Problem with gas valve (Call for service)
6. Problem with flame switch/thermocouple. (Call for service)
Pilot burner will not light
1. No power to unit – verify unit plugged. Check circuit
breaker or GFI (Ground Fault Indicator).
2. Manual gas valve not turned on.
3. Problem with on/off switch (Call for service)
4. Obstructed pilot orifice. (Call for service)
5. Pilot gas turned off at automatic pilot. (Call for service)
6. Problem with automatic pilot valve. (Call for service)
7. Problem with spark igniter module. (Call for service)
Pilot burner will not stay
lit
1. Low gas pressure - problem with regulator or system gas
pressure. (Verify or Call for Service)
2. Obstructed or wrong size pilot orifice. (Call for service)
3. Gas supply not purged of air. (Call for service)
4. Air blowing pilot out. (Call for service)
5. Problem with automatic pilot valve (Call for service)
Fat appears to smoke
excessively
1. Temperature set too high.
2. Moisture in food may be turning into steam
Food sticks to griddle or
burned around edges or
contains dark specs
1. Temperature set too high.
2. Griddle surface requires cleaning and/or seasoning.
3. Surface under food not covered with enough cooking oil.
Food under-cooked inside
1. Temperature set too high.
2. Food not cooked for long enough time.
Food tastes greasy or has
objectionable off-flavor
1.
2.
3.
4.
Noticeable build-up of
gum on griddle
1. Temperature set too high.
2. Griddle surface requires cleaning and/or seasoning.
3. Too much griddle fat used.
Food itself may have off-flavor.
Food stored improperly before cooking.
Too much griddle fat used.
Temperature set too low.
- 12 -
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