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7

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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. 

 

 

Step 4a. 

Set knob & 

check Temperature. 

Remove knob 

 

Step 4b.

 – Adjust 

temperature dial & 

verify temperature 

setting 

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. 

 

 

Step 5

 –Replace 

knob & tighten 

screws

 

 
 

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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