(US & Canadian units are convertible and are assembled for Natural Gas)
(European units are not convertible and assembled for the appropriate gas)
WARNING: California Residents Only. This product can expose you to chemicals including
chromium which is known to the State of California to cause cancer and birth defects or
other reproductive harm. For more information go to www.P65Warnings.ca.gov.
FOR YOUR SAFETY: Do not store or use gasoline or other ammable vapors and
liquids in the vicinity of this or any other appliance.
WARNING: Improper installation, operation, service or maintenance can cause
property damage, injury or death. Read and understand these instructions
thoroughly before positioning, installing, maintaining or servicing this equipment.
WARNING: Instructions must be posted in a prominent location. All safety
precautions must be taken in the event the user smells gas. Safety information can
be obtained from your local gas supplier.
P/N 8822241 Rev 09/18
APW Wyott Food Service Equipment Company
1307 N. Watters Road, Suite 180 • Allen, TX 75013
972.908.6100 Phone +1.800.527.2100
214.565.0976 Fax www.apwwyott.com
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CAUTION: These models are designed, built, and sold for commercial use. If these
models are positioned so the general public can use the equipment, make sure that
cautions, warnings, and operating instructions are clearly posted near each unit so
that anyone using the equipment will use it correctly and not injure themselves or
harm the equipment.
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.
WARNING: For your safety do not store or use gasoline or other ammable vapors
and liquids in the vicinity of this or any other appliance. Keep the area free and clear
of combustibles. (See ANZI Z83. 14B, 1991).
NOTICE: Instructions to be followed if anyone smells gas should be posted in a
prominent place. These may be obtained from the gas supplier.
GAS PRESSURE
The appliance and its individual shuto valve (to be supplied by user) must be disconnected from the
gas supply piping system during any pressure testing of that system at test pressures in excess of
1/2 psi (3.45 kPa).
The appliance must be isolated from the gas supply piping system by closing its individual manual
shut-o valve during any pressure testing of the gas supply piping system at test pressures equal to or
less than 1/2 psi (3.45 kPa).
WARNING: A factory authorized agent should handle all maintenance and repair.
Before doing any maintenance or repair, contact APW Wyott.
Congratulations on your purchase of APW Wyott
®
commercial cooking or refrigeration equipment.
APW Wyott takes pride in the design and quality of our products. When used as intended and with
proper care and maintenance, you will experience years of reliable operation from this equipment. To
ensure best results, it is important that you read and follow the instructions in this manual carefully.
All containers should be examined for damage before and during unloading. The freight carrier has
assumed responsibility for its safe transit and delivery. If equipment is received damaged, either
apparent or concealed, a claim must be made with the delivering carrier.
A) Apparent damage or loss must be noted on the freight bill at the time of delivery. It must then be
signed by the carrier representative (Driver). If this is not done, the carrier may refuse the claim. The
carrier can supply the necessary forms.
B) Concealed damage or loss if not apparent until after equipment is uncrated, a request for
inspection must be made to the carrier within 15 days. The carrier should arrange an inspection.
Be certain to hold all contents and packaging material.
Installation and start-up should be performed by a qualied installer who thoroughly read, understands
and follows these instructions.
If you have questions concerning the installation, operation, maintenance or service of this product,
write Technical Service Department APW Wyott, 1307 N Watters Rd # 180, Allen, TX 75013
SAFETY PRECAUTIONS
Before installing and operating this equipment be sure everyone involved in its operation is fully trained
and is aware of all precautions. Accidents & problems can result by a failure to follow fundamental
rules and precautions.
The following words and symbols, found in this manual, alert you to hazards to the operator, service
personnel or the equipment. The words are dened as follows:
DANGER: This symbol warns of imminent hazard which will result in serious injury
or death.
WARNING: This symbol refers to a potential hazard or unsafe practice, which could
result in serious injury or death.
CAUTION: This symbol refers to a potential hazard or unsafe practice, which may
result in or moderate injury or product or property damage
NOTICE: This symbol refers to information that needs special attention or must be
fully understood even though not dangerous.
NOTICE: This product is intended for commercial use only.
Not for household use.
CAUTION:
These models are designed, built, and sold for commercial use. If these models
are positioned so the general public can use the equipment make sure that cautions,
warnings, and operating instructions are clearly posted near each unit so that anyone using
the equipment will use it correctly and not injure themselves or harm the equipment.
WARNING: Improper installation, operation, service or maintenance can cause
property damage, injury or death. Read and understand these instructions
thoroughly before positioning, installing, maintaining or servicing this equipment.
WARNING: Keep the appliance free & clear of all combustible substances. If gas
odor is detected at any time, immediately shut unit down at the main shuto valve.
Do not permit any open ames in the area of the appliance. Immediately contact an
authorized Service Agency or your local Gas Supplier for service.
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Page 4
WARNING: Do not obstruct either the air inlet (underneath unit) or the ventilation air
(back of unit). Provisions must be provided to provide an adequate air supply to the
griddle.
NOTICE: Local codes regarding installation vary greatly from one area to another.
The National Fire Protection Association, Inc., states in its NFPA96 latest edition that
local codes are “Authority Having Jurisdiction” when it comes to requirement for
installation of equipment. Therefore, installation should comply with all local codes.
GENERAL INSTALLATION INSTRUCTIONS
Ensure gas supply and gas type, as shown on unit nameplate agree.
Unit installation must conform with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, the National
Gas Installation Code, CSA-B149.1, or the Propane Installation Code, CSA-B149.2 as applicable and
in accordance with local codes.
Screw legs into the permanently fastened nuts on the four corners of the unit and tighten by hand.
Level the unit by turning the adjustment screw at the bottom of each leg. Do not slide unit with legs
mounted, lift if necessary to move unit.
Pipe threading compound must be resistant to the action of liqueed petroleum gases.
Caution: DO NOT use an open ame to check for leaks. Check all gas piping for leaks with a soap
and water solution before operating unit.
THESE UNITS ARE SUITABLE FOR INSTALLATION ON NON-COMBUSTIBLE SURFACES ONLY.
Noncombustible clearances:
0” sides (0 mm) 0” rear (0 mm) 4” oor (102mm)
Do not obstruct the ow of combustion and ventilation air, under the unit by the legs or behind the unit
by the ue.
Adequate clearance for air openings into the combustion chamber is required. Do not place objects
between the bottom of the unit and the counter top.
There must be adequate clearance for removal of the front panel. All major parts except the burners
are removable thru the front if the gas line is disconnected.
Unit must have adequate clearances for servicing. (Sides = 0”, Rear = 0”, Floor = 4”).
European Community Installation Instructions:
“THIS APPLIANCE MUST BE FITTED BY A COMPETENT PERSON. IN THE UK, CORGI REGISTERED
INSTALLERS (INCLUDING THE REGIONS OF BRITISH GAS) UNDERTAKE TO WORK TO SAFE AND
SATISFACTORY STANDARDS. THIS APPLIANCE MUST BE INSTALLED IN ACCORDANCE WITH
THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS AND THE RELEVANT BUILDING
REGULATIONS / IEE. REGULATIONS. DETAILED RECOMMENDATIONS ARE CONTAINED IN THE
FOLLOWING BRITISH STANDARD CODES OF PRACTICE - BS 6172, BS 5440 PART 2, BS 6891”
“THIS APPLIANCE MUST BE INSTALLED IN ACCORDANCE WITH THE RULES IN FORCE”
“MUST BE INSTALLED IN A WELL VENTILATED AREA. Ventilation requirements ie. B.S. 5440.”
SPECIFICATIONS – HEAVY DUTY GAS GRIDDLE: HMG-2424i
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CONVERSION
• Instructions are for conversion from Natural Gas to Propane (L.P.) on all models HMG.
• The conversion should be done before connecting the unit to the gas supply.
• Units are shipped from the factory equipped for use on natural gas. Orices necessary for LP
(propane) are provided in a bag tied to the valve on the front panel.
1. Remove the knobs and front panel.
2. Remove the orice ttings from the valve. Change the orices to the size recommended for
propane (L.P.).
3. Replace the orice ttings into the valve.
• To change the regulator:
• Connect the regulator to the unit, connect gas and check for leaks.
WARNING: Do not use an open ame to check for leaks.
• Check the system pressure. With the front panel removed remove the plug
from the manifold.
• Place a tting in the plug opening and connect a manometer.
• For Natural gas the pressure in the manifold should be 5” water column
or 12.4 millibar. For LP the pressure in the manifold should be 10” water
Column of 24.9 millibar.
• To adjust the pressure, remove the brass cap and turn the white plastic part
inside the stem of the regulator. See picture regulator 8.
• Take a wide straight screw driver and place it in the two notches shown in picture regulator 7. Turn
clockwise to increase pressure and counter-clockwise to reduce pressure. See picture regulator 8.
• Once the pressure has been adjusted replace the brass cap.
• Note the blue cap on the regulator, this is the vent there are openings below the top rim.
NEVER block these openings your regulator will fail to operate correctly. On at least a monthly
basis blow o any dust or grease which may accumulate around this cap. The openings must
remain open for the regulator to function. Clean more often in a very greasy atmosphere.
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LIGHTING INSTRUCTIONS
HMG Griddles are furnished with either a pilot safety valve or a standing pilot (not available in the
European Community). Please follow the instructions for your unit. HMG Griddles are furnished with
either a ame failure pilot or a standing pilot (not available in the European community).
Pilot Operation Flame Failure Gas Valve:
Operation of the gas valve pilot:
1. Turn knob on the main gas valve to the pilot position
2. Depress knob to start gas ow to the pilot valve
3. Light pilot valve
a. Using a match or taper
4. Hold in knob for 15 to 30 seconds to heat up the thermocouple
5. Release knob and turn to the desired gas ow position
a. If pilot goes out repeat steps 1-4, some thermocouples will take longer to heat up
Standing Pilot Lighting Instructions: (Not Available in the European Community)
The pilot lights on the broilers have been set at the factory. A screwdriver may be required for the rst
lighting to adjust the ame for your elevation.
1. Turn o the manual shut o valve and wait 5 minutes to clear the gas.
2. Turn all knobs to the “OFF” position.
5. The valve can be accessed through an opening in the front panel or remove the cooking grates and
light the pilot from above.
4. Turn the manual shut o valve on.
5. Hold an ignition source (match) to both openings on the pilot tube. When the ames are
established, remove the ignition source.
6. Turn the burner knobs to “HI”. If the burner does not ignite, promptly open the pilot valve more. If
the pilot ame appears larger than necessary, turn it down and reset burner ignition. The pilot ame
should be as small as possible but large enough to guarantee reliable ignition of the burners when
the knobs are turned to “HI”.
Relighting Pilot
If the pilot light should go out for any reason:
• Promptly shut o all gas at the manual shut o valve.
• Turn o all knobs and pilot valves; wait 5 minutes to clear gas.
• Relight following steps 4 through 6 under Standing Pilot Lighting Instructions.
HMG Lighting Main Burner:
Since the burner is lit from constantly burning pilot, turn knobs to “HI” to put the unit in operation; then
adjust to any desired position between “LO” and “HI”.
• To light burner, turn knob to “max.” then back o to the desired ame level. The range of
adjustment is virtually innite between high and o. (At the small ame, there is a pre-set low).
• When the broiler is rst heated, it will smoke until oil used in manufacturing, preservation and dust
from storage and shipping are burned o. An hour at “max.” on all burners is usually sucient.
• Turn knobs o and let cool.
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Page 8
• For rst cooking, set the grates at maximum tilt position and preheat before broiling. You will have
to experiment with knob settings and grate position for each particular item.
• Keep the grease/water pan with sucient water to cover the entire bottom.
• Clean regularly. Grates may be removed for washing in the sink. Brush out carbonized particles.
Thoroughly wash the grease/water pan.
European Community:
If adjustment becomes necessary in the eld, it should be done by a factory authorized and
trained technician who should seal the screw after the adjustment to safeguard against un-
authorized tampering by the end user.
All burners are lit from constantly burning pilots. Turning the valve to the desired ame height is all
that is required to put the unit in service.
Do not permit fans to blow directly at the unit. Wherever possible, avoid open windows next to the
units’ sides or back. Avoid wall type fans which create air cross-currents within a room.
It is also necessary that sucient air should be allowed to enter the room to compensate for the
amount of air removed by any ventilating system. Otherwise, a subnormal atmospheric pressure will
occur, aecting operation and causing undesirable working conditions.
A properly designed and installed hood will act as the heart of the ventilating system for the room or
area in which the unit is installed, and will leave the unit independent of changing draft conditions.
All valves must be checked and lubricated periodically. This must be done by an authorized service
representative in your area.
OPERATING INSTRUCTIONS
Season Griddle
Heat to low temperature (300 - 350 F/150-180C) and pour on a small amount of cooking oil, about
one ounce (30cc) per square foot of surface. Spread the oil over the entire griddle surface with a cloth
to create a thin lm. Wipe o any excess oil with a cloth. Repeat this procedure 2 to 3 times until the
griddle has a slick, mirror-like surface.
Operation
Turn the burners on about 15-20 minutes before cooking for preheating. Set the knobs to the
desired ame height (HMG). Each valve will control the gas ow to the burner to bring that area of
the plate up to the set temperature. If dierent temperature settings are to be used, adjoining areas
should be set at progressively higher temperatures using the lowest temperatures on the outside
burners. A uniform and systematic approach to the loading of the griddle will produce the most
consistent product results.
CAUTION: Do not turn on gas valves without lighting the pilots. This could cause a
build up of gas and potential explosion.
NOTICE: Due to heat transfer thru the griddle plate, adjoining zones can be no
more than 25° dierent.
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Page 9
CLEANING / MAINTENANCE
Initial Cleaning:
Prior to operating your new griddle, thoroughly wash the griddle surface and the exterior with a
mild detergent or soap solution. Do not use abrasive cleaners since this might damage the cabinet
nish. If the stainless steel surfaces become discolored, scrub by rubbing only in the direction of the
nished grain.
Cleaning:
1. Always turn unit o and allow it to cool completely before cleaning. Clean thoroughly before rst use.
2. After each use, clean the griddle with wire brush or exible spatula.
3. Once a day, thoroughly clean splash back, sides and front. Remove the grease drawer, empty it
and wash it out.
4. Once a week, clean the griddle surface thoroughly. If necessary, use a griddle stone, wire brush
or steel wool on the surface. Rub with the grain of the metal while the griddle is still warm. A
detergent may be used on the plate surface to help clean it; but, care must be taken to be sure the
detergent is thoroughly removed. After removal of the detergent, the surface of the plate should
then be covered with a thin lm of oil to prevent rusting. Clean stainless surfaces with a damp
cloth and polish with a soft dry cloth. To remove discoloration, use a nonabrasive cleaner. After
each “weekly” cleaning, the griddle must be seasoned again. If the griddle usage is very high, the
“weekly” cleaning procedures may be done more often than once a week.
EXTENDED SHUTDOWN
Turn the manual shuto valve to “OFF”; (eld installed valve not supplied by the manufacturer); turn
all control knobs to the “OFF” position; and shut o the pilot ame by turning the adjustment on the
pilot valve.
*NOTE: Gas shuto valve is supplied by the manufacturer on CE or European Community models.
If the griddle is to be shut down for an extended period, put a heavy coat of grease over the
griddle plate.
SERVICE / REPAIR
NOTE: THIS APPLIANCE MUST ONLY BE SERVICED BY AN AUTHORIZED AGENT.
NOTE: Parts protected by the manufacturer or his agent are not to be adjusted by
the installer unless the installer is an authorized service agent.
If you have any questions or problems contact your nearest APW Wyott Service Representative.
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TROUBLESHOOTING GUIDE
PROBLEMPOSSIBLE CAUSE
Heat does not come on when thermostat is turned on.Thermostat is bad.
Pilot burner not lit.
Gas valve is bad.
Pilot burner will not light.Obstructed pilot orifice.
Pilot gas turned off at automatic pilot.
Automatic pilot valve is bad.
Pilot burner will not stay lit.Thermocouple is bad.
Thermocouple is not hot enough.
Obstructed or wrong size pilot orifice.
Gas supply is not purged of air.
Air is blowing pilot light out.
Automatic pilot valve is bad.
Fat appears to smoke excessively.Heat is set too high.
Moisture in the food may be turning into steam.
Food sticks to griddle.Heat is set too high.
Griddle surface needs cleaning and/or seasoning.
Surface under food may not have been covered with enough
cooking oil.
Food burned around edges or contains dark specks.Heat is set too high.
Griddle surface needs cleaning and/or seasoning.
Surface under food may not have been covered with enough
cooking oil.
Food is undercooked inside.Heat is set too high.
Food may not have been cooked for long enough time.
Food tastes greasy or has objectionable off-flavor.Food itself may have off flavor.
Food may have been stored improperly before cooking.
Too much griddle fat used.
Heat is set too low.
Noticeable build-up of gum on griddle.Heat is set too high
Griddle surface needs cleaning and/or seasoning.
Too much griddle fat used.
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HMG GRIDDLES (DOMESTIC) - EXPLODED VIEW & PARTS LIST
21826434Channel, Stiffiner1
292067600Regulator, 5” W.C. & 10” W.C.11111
3021825012Side, Grease Chute22222
312065847APW Wyott Casted Logo11111
328861000Label, Spec11111
338809920Decal, Improper Installation11111
348837134Label, Orifice Size11111
358825300Decal, Leg11111
368837130Decal, Operating Instructions11111
3743813103Label, Hot Surface11111
3843813149Label, Hot Surface (French)11111
398835410Lnst/Op Manual (N/S)11111
402065884Ignitor23456
412065885Electrode, Spark23456
422069700Valve, Ball 3/4” 90°11111
432092612Elbow, Brass 3/8-27f x 3/8 C23456
442092614Elbow, Brass 3/8c x 3/8-27m Brass23456
452092626Pipe, Inlet11111
4620932101Nut, Compression & Ferrule23456
4721826016Bracket, Thermocouple 23456
4821830817Tube, Pilot Supply CE23456
4921830847Tube, Orifice Supply 23456
508806070Label, Delivery CE Gas Units (N/S)11111
518806075Label, Packaging CE Gas Units (N/s) 11111
528806080Label, CE Ventilation (N/S)11111
14
Page 15
Notes
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this manual for the life of the equipment.
For Warranty Service and/or Parts, this information is required.
Model Number Serial Number Date Purchased
15
Page 16
APW Wyott EQUIPMENT LIMITED WARRANTY
APW Wyott Foodservice Equipment Company warrants its equipment against defects in materials and workmanship, subject to the
following conditions:
This warranty applies to the original owner only and is not assignable.
Should any product fail to function in its intended manner under normal use within the limits dened in this warranty, at the option of APW
Wyott such product will be repaired or replaced by APW Wyott or its Authorized Service Agency. APW Wyott will only be responsible for
charges incurred or service performed by its Authorized Service Agencies. The use of other than APW Wyott Authorized Service Agencies
will void this warranty and APW Wyott will not be responsible for such work or any charges associated with same. The closest APW Wyott
Authorized Service Agent must be used.
This warranty covers products shipped into the 48 contiguous United States, Hawaii, metropolitan areas of Alaska and Canada. There will be
no labor coverage for equipment located on any island not connected by roadway to the mainland.
Warranty coverage on products used outside the 48 contiguous United States, Hawaii, and metropolitan areas of Alaska and Canada may
vary. Contact the international APW Wyott distributor, dealer, or service agency for details.
Time Period
One year for parts and one year for labor, effective from the date of purchase by the original owner. The Authorized Service Agency may, at
their option, require proof of purchase. Parts replaced under this warranty are warranted for the un-expired portion of the original product
warranty only.
Exceptions
* Gas/Electric Cookline: Models GCB, GCRB, GF, GGM, GGT, CHP-H, EF, EG, EHP. Three (3) Year Warranty on all component parts,
except switches and thermostats. (2 additional years on parts only. No labor on second or third year.)
* Broiler Briquettes, Rock Grates, Cooking Grates, Burner Shields, Fireboxes: 90 Day Material Only. No Labor.
* Heat Strips: Models FD, FDL, FDD, FDDL. Two (2) Year Warranty on element only. No labor second year.
* Glass Windows, Doors, Seals, Rubber Seals, Light Bulbs: 90 Day Material Only. No Labor.
In all cases, parts covered by extended warranty will be shipped FOB the factory after the rst year.
Portable Carry In Products
Equipment weighing over 70 pounds or permanently installed will be serviced on-site as per the terms of this warranty. Equipment weighing
70 pounds or under, and which is not permanently installed, i.e. with cord and plug, is considered portable and is subject to the following
warranty handling limitations. If portable equipment fails to operate in its intended manner on the rst day of connection, or use, at APW
Wyott’s option or its Authorized Service Agency, it will be serviced on site or replaced.
From day two through the conclusion of this warranty period, portable units must be taken to or sent prepaid to the APW Wyott Authorized
Service Agency for in-warranty repairs. No mileage or travel charges are allowed on portable units after the rst day of use. If the customer
wants on-site service, they may receive same by paying the travel and mileage charges. Exceptions to this rule: (1) countertop warmers and
cookers, which are covered under the Enhanced Warranty Program, and (2) toasters or rollergrills which have in store service.
Exclusions
The following conditions are not covered by warranty:
* Equipment failure relating to improper installation, improper utility connection or supply and problems due to ventilation.
* Equipment that has not been properly maintained, calibration of controls, adjustments, damage from improper cleaning and water damage
to controls.
* Equipment that has not been used in an appropriate manner, or has been subject to misuse or misapplication, neglect, abuse, accident,
alteration, negligence, damage during transit, delivery or installation, re, ood, riot or act of god.
* Equi
pment that has the model number or serial number removed or altered.
If the equipment has been changed, altered, modied or repaired by other than an Authorized Service Agency during or after the
warranty period, then the manufacturer shall not be liable for any damages to any person or to any property, which may result
from the use of the equipment thereafter.
This warranty does not cover services performed at overtime or premium labor rates. Should service be required at times which
normally involve overtime or premium labor rates, the owner shall be charged for the difference between normal service rates
and such premium rates. APW Wyott does not assume any liability for extended delays in replacing or repairing any items
beyond its control.
In all cases, the use of other than APW Wyott Authorized OEM Replacement Parts will void this warranty.
This equipment is intended for commercial use only. Warranty is void if equipment is installed in other than commercial
application.
Water Quality Requirements
Water supply intended for a unit that has in excess of 3.0 grains of hardness per gallon (GPG) must be treated or softened before
being used. Water containing over 3.0 GPG will decrease the efciency and reduce the operation life of the unit.
Note: Product failure caused by liming or sediment buildup is not covered under warranty.
“THE FOREGOING WARRANTY IS IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR
IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR
PURPOSES AND CONSTITUTES THE ENTIRE LIABILITY OF APW WYOTT. IN NO EVENT DOES THE
LIMITED WARRANTY EXTEND BEYOND THE TERMS STATED HEREIN.”
9/05
16
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