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10 

If the temperature differential is large than 75ºF, there is probably a problem with your system. It may not be the 
thermostat. First make sure you thermostat probe is flat against the griddle plate and is making good contact. 
Dirt  under  the  probe  will  cause  inaccurate  readings.  Next  make  sure  the  thermostat  bulb  is  held  tightly  in  its 
holder. If you can pull the capillary tube and the bulb moves it is not held tight enough against the griddle plate. 
This  will  cause  variations  in  the  temperature  of  the  griddle  surface.  If  both  of  these items  have  been  checked 
and you still have a differential over 75ºF then the thermostat is bad replace it. 

Determine the average temperature 

Note the temperature for each section of the griddle as the burners ignite.  

Note the temperature for each section of the griddle as the flame extinguishes.  

The flame extinguish temperature plus the flame ignition temperature divided by two equals the average 
temperature.  

EXAMPLE:

 

Flame extinguished 367ºF 

 

Flame ignition 341ºF 

 

708º / 2 

 

Average temperature = 354ºF 

If the average temperature is within 15ºF of the dial marking you probably leave the calibration where it is. If the 
average temperature is outside of 15ºF of the dial setting you will want to calibrate the thermostat. To calibrate a 
thermostat first remove the knob by pulling it straight off the shaft. Next take a small flat head screw drive and 
turn  the  screw  inside  the  shaft,  clockwise  to  decrease,  counterclockwise  to  increase.  ¼  turn  clockwise  will 
decrease  the  temperature  approximately  24ºF.  ¼  turn  counterclockwise  will  increase  the  temperature 
approximately  24ºF.  Adjust  and  re-measure  the  average  temperature  until  you  get  the  temperature  to  your 
desired point. 
 
NOTE:  avoid  making  more  than  ½  turn  at  a  time.  Calibration  is  not  linear  and  you  can  get  the  thermostat 
significantly out of calibration to a point where it is difficult to reset.  
 
If  after  adjusting  the  thermostat  three  times  and  getting  no  change  in  calibration  the  thermostat  is  bad.  Then 
replace the thermostat. 
 

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Содержание GGM -24i

Страница 1: ... Parts this information is required Model Number Serial Number Date Purchased FOR YOUR SAFETY Do not store or use gasoline or other flammable 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 maintai...

Страница 2: ...it s individual shutoff 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 psi 3 45 kPa The appliance must be isolated from the gas supply piping system by closing it s individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or l...

Страница 3: ...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 defined as follows DANGER This symbol warns of imminent hazard which will result in serious injury or death WAR...

Страница 4: ...6 915 26 661 17 3 4 451 3 25 000 7 3 75 000 22 6 10 15 25 GGT 48i 48 1220 26 661 17 3 4 451 4 25 000 7 3 100 000 29 3 6 10 15 25 GGM 18i 18 457 26 661 17 3 4 451 1 37 500 11 37 500 11 6 10 15 25 GGM 24i 24 610 26 661 16 3 4 426 2 25 000 7 3 50 000 14 6 6 10 15 25 GGM 36i 36 915 26 661 16 3 4 426 3 25 000 7 3 75 000 22 6 10 15 25 GGM 48i 48 1220 26 661 16 3 4 426 4 25 000 7 3 100 000 29 3 6 10 15 2...

Страница 5: ... 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 LIGHTING INSTRUCTIONS GGT and GGM 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 Pilot Safety Valve Lighting Inst...

Страница 6: ...he 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 sufficient 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 which will effect operation and cause undesirable worki...

Страница 7: ...t 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 film 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...

Страница 8: ...es to the size recommended for propane L P For units with a pilot safety valve you must also change the pilot orifice to the other pilot orifice supplied 4 Replace the orifice fittings into the valve 5 Replace the front panel and knobs 6 Before installing the regulator unscrew the octagonal cap With the brass portion of the cap up you can read NAT on the plastic insert Snap the insert out of the c...

Страница 9: ... 10 to the right and for the 48 GGT repeat this twice more 10 to the right always remaining 10 5 8 from the splash guard After all locations are marked center the temperature probe on each marked location and then trace a circle around the probe This procedure will place the temperature probe over the center of each thermostat bulb and this is the only place temperature readings should be taken Se...

Страница 10: ...crease the temperature approximately 24ºF turn counterclockwise will increase the temperature approximately 24ºF Adjust and re measure the average temperature until you get the temperature to your desired point NOTE avoid making more than turn at a time Calibration is not linear and you can get the thermostat significantly out of calibration to a point where it is difficult to reset If after adjus...

Страница 11: ...ning 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 s...

Страница 12: ...12 PARTS LISTS EXPLODED VIEWS GGM GRIDDLES EXPLODED VIEW ...

Страница 13: ...210 17 Support Burner 48 2 39 8837129 Label Instr location 1 11 2066844 Orfice 44 Varies 40 8832600 Label Service Hotline 1 12 8417100 Nut Hex KEPS 10 32 Varies 41 8837130 Decal Oper Instr 1 13 2065643 Valve Pilot 90 1 8NPT X 3 16CC GGM 18 Varies 42 2067300 Regulator Convertible 3 4 PSIG 1 2068001 Pilot Valve GGM 24 36 48 Varies 43 8809920 Decal Improper Install 1 14 21813075 Burner S 1 44 8825300...

Страница 14: ...14 GGT GRIDDLES EXPLODED VIEW ...

Страница 15: ...00 T S 10 X TPB Tr Hd 4 15 21821915 Manifold GGT 18H 1 53 43813149 Label Warning Hot Surface French 1 21822029 Manifold GGT 24H Varies 54 21821920 Bracket Pilot Top T Pile GGT 18 1 21822130 Manifold GGT 36H 1 21814036 Bracket Pilot GGT 24 36 48 1 21822029 Manifold GGT 48H 1 55 8861000 Label Spec 1 15 21821930 Manifold GGT 18H Pilot Safety 1 56 43813103 Label Warning Hot Surface 1 21822030 Manifold...

Страница 16: ... 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 first day of use If the customer wants on site service they may rec...

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