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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. 
 

 

Summary of Contents for 948RE

Page 1: ...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 AGE24 MODE...

Page 2: ...ORTANT 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 FLA...

Page 3: ...s 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...

Page 4: ...est 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...

Page 5: ...ddle and its individual shutoff valve must be disconnected from the gas supply piping system When the gas supply pressure is psig 3 45 kPa or less the griddle should be isolated from the gas supply sy...

Page 6: ...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...

Page 7: ...le OFF then measure the temperature for that zone The temperature should be 350 F 15 F If not continue to Step 4 Step 4a Set knob check Temperature Remove knob Step 4b Adjust temperature dial verify t...

Page 8: ...dure until the griddle has a slick mirror like finish CONTROLS THERMOSTAT Each thermostat controls the gas flow to the burner to bring that area of the griddle plate up to the set temperature Indicato...

Page 9: ...ostats 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...

Page 10: ...ry 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 s...

Page 11: ...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 option...

Page 12: ...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 C...

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