Clamshell Grills
Contents
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6. LII U 1j xo Description Model 28 Qty Relay DPDT 120V Not Shown 50 HZ See page 40 Models 22 28 25 Parts Compressor Assembly Model 22 4 wm Description Partnumber 1 020959 i Valve Check 1 4 1 4 1 4 1 4 Connector Mate Lok 6 Cir Pin Valve Solenoid 3 Way 110V 60 Hz Compressor 115V 60 Hz Bracket Compressor s 1 50 HZ See page 40 Parts 26 Models 22 28 Accumulator Assembly Model 22 Parts VALVE AND CROSS ASSEMBLY 27 Models 22 28 Accumulator Assembly Parts List Description Part Number Regulator 0 50 PSI 029830 1 RewwerosoPS O me i TE ST cae Prem m o DES BERN ST DC m _ s ere Teer _ p Wepre tong Bass _ s 2
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8. Models 22 28 23 Parts Front Side Vievv Parts List Description Part Number Model Model 22 Qty 28 Qty Caster 5 7 58 Stem Rear Panel Rear Lower Not Shown 078459 078479 Cover Assembly Rear Shroud 78465 0 78476 1 1 oT BIC Door oT Hinge Assy tattDoorPanel 1 1 __ 13 Door Assembly Left Processor 76876 78125 2 Caster 5 7 5 8 Stem Locking Front Buena ww 2 23 Guard Door 28 Not Shovvn 20 21 22 23 78476 Panel A Rear Service Small Not Shown 1 78480 0 26 27 28 Thermocouple Not Shown 75695 pm Heater Lower 208 V Not Shown 075486 Note Parts mounted under lower platen 077910 22 28 Control Limit w screws Not Shown 075692 10 50 HZ See page 40 See parts list for older model grills 0 1 Fu NEL 3 0 1 o 1 ss EES EE Es Parts 24 Models 22 28 Main Control Assembly 9 5 2 tol 5 25 10 9 toy 15 8 07 9
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13. 50 HZ See page 40 Parts 28 Models 22 28 Compressor Accumulator Assembly L EX L vw 4 IT D N 29 Models 22 28 Compressor Accumulator Assembly Parts List Description Part Qty Number LINE LINE 3 3 Seewsaexaeronoseerze 007844 wer ww o s 7 s RI ES SES s EI RES Ea 0 Connector Mate Lok 6 Cir Pin Reguatoro sors 50 HZ See page 40 HE 1 2 3 5 7 10 11 12 13 14 8 9 0 1 2 3 4 5 Parts 30 Models 22 28 Mercury Relay Assembly Model 22 bx 52 5 31 Models 22 28 Mercury Relay Assembly Parts List Description Part Number Model Model 22 Qty 28 Qty ET EEES Ww WeeysP wwe 2 Wee soa Screw 8X 12 Slotted Hex DS 2 50101 t ro 1 cwm 2 2 2 2
14. We ONF LHOISMHSLNNOI SMAHOS M LIINTT TOH LNOO uossdboOoHd V IOHLNOO UOSS4190Hd V IOHLNOO VIG WW Z L SINH OVASLL HOLSIHVA 714909 0LL AYME GION3TOS 3ATVA ISd 0 431134 3un SSdHd 3ATVA dINY L MO3HO 3AT1VA osc X di 02L 38n L X 14497 X LdWv L 33 L Jlddv L X X Lddv L 33 L HOLV INNNDOV MNV L dunsSaud HOLIMS 184 0 0 HOJV 10034 NOILdIHIS3A See Taylor Warranty Card Available Separately Models 22 28 42 Parts List 31vadn S 1HVd xov 18 1N3IALSnrav 13AWOHS X0v18 31 NVvH L3AIWNOHO 8 YOVIE LNINLSNFAV LINNOHD Xov 18 310NVH 13AWOHO NOLVINSNI LIX CIS 401 21 11 We 1 z 401 21 11 Wx LJ31 400H 1437 400Q 13NVd Y 3ONIH 8489 1H9IH HOOQ T3NVd V 6v89 X 1H9IH HOOQG d W V 19897 1441 9000 d W 8v 8 X 1H9IH HOOQG d W V 6v 8 X 1441 9008 d W V 221 EE 016 0 MSEOL A802 H3MO1 H3 1V3H CN 2 9 diS uad sepnjou DSTOHLNO95 LH38 99 X HO HAS LES9 X sepniou OL HOIHd StZYZ08f SLINN NO ISN 2 21 1898 31vadn 1OHLNOO HOTAVL V LIY E SE Yoldd 9r 9 989520 MOOES A803 H3MO 1 H3 1V3H 1629 0 aGL GL EE Ws 1411 310 291420 aGL GL EE Wx XFANI FTANVH 828
15. Models 22 28 Controls and Systems To Set Optional Displays 1 Press the MENU keypad until the message 1 appears on the LED 2 Immediately press and hold both ARROW keypads simultaneously until the message OPTION SET is displayed on the LED 3 When the display returns to the OPT 1 setting press the UP or DOWN keypads to scroll through the alphabet until the desired letter is displayed 4 Press the MENU keypad to enter the desired letter or numerical selection and to move to the next character 5 Once all six characters are entered press the menu key and the message LOWER will appear on the LED Immediately press the UP or DOWN keypads to set the lower grill plate temperature for cooking the optional product 6 Press the TEMP keypad when the desired temperature is displayed on the LED 7 the desired lower cook temperature has been entered the message UPPER will appear on the LED Immediately press the UP or DOWN keypads to set the upper grill plate temperature for cooking the optional product 8 Press the TEMP keypad when the desired temperature is displayed on the LED 9 Once the desired upper cook temperature has been entered the message TIME will appear on the LED Immediately press the UP or DOWN keypads to set the cook time for the optional product 10 Press the TIME keypad to enter the desired cook time for optional product
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17. 2 Connector Bx 3 8 450 010687 le sae o 2 Block Main Power Distribution Not Shown 076952 tous 50 HZ See page 40 Parts 32 Models 22 28 Model 28 e a cse s 1 f 2 50 HZ See page 40 Models 22 28 33 Counterweight Rear Components EXISTING FRAME Parts 34 Models 22 28 Counterweight Rear Components Parts List Description Part Number Model Model 22 Qty 28 Qty Come _ 2 m _ f 1 1 1 ame om 5 O wem Fring 14x 7080 wwe ________ __ 1 ____ __ 1 2 1 2 Tube 170 ID X 250 OD Not Shovvn for Service mei cem 8 N N PTMI N N N N NIN e MET SE EEES
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21. Once the menu selection is entered the product name and the message COOL will be displayed intermittently until the cook surface has reached proper operating temperatures Each time operating temperatures for a specific heat zone have been met the corresponding indicator light will extinguish Once all indicator lights are extinguished the word STANDBY will appear on the LED 8 Press the RAISE button to release the upper platen to the OPEN position Once the platen is open the product selection and cook time are displayed on the LED The grill is now heated to operating temperatures NOTE Whenever one side of the clamshell grill is idle and is not being used to cook product the upper platen must be placed in the STANDBY position To Turn the Grill Off 1 Press and hold both arrow keypads simultaneously 2 Release the keypads when the message OFF is displayed on the LED Controls and Systems Models 22 28 To Make Product Selections 1 Press and release the menu keypad Scroll through the product selections until the word EGGS is displayed on the LED Press and release the menu keypad to scroll through the product selections When a product is displayed on the LED for more than five seconds the control will automatically enter the selection When the product and cook time are displayed on the LED the grill is at operating temperatures To Change Product Selections 1 T
22. a Defective air cylinder or clogged a Clean repair or replace faulty air lines componeni s b Dirty arm bearings b Clean and lubricate bearings c Bearing block misaligned c Align bearing block 4 Platen will not latch a Defective latch microswitch a Replace switch b Defective relay b Replace relay c Unit not electrically grounded c Tighten or replace ground wires d Defective control board d Replace board e Defective ribbon cable e Replace ribbon cable f Defective power board f Replace power board g Defective STANDBY g Replace faulty button or contact button contact block block 5 One side of the grill fully inoperative Power switch placed in the OFF a Place power switch in the ON position position b Defective power switch b Replace switch c Defective power board c Replace power board d Loose or defective ribbon cable d Tighten or replace ribbon cable e Defective processor control board e Replace processor control board 6 One side of the grill not heating a Unitis unplugged a Install power cord into receptacle b Circuit breaker is tripped b Reset the breaker One heat zone not heating but the Defective mercury contactor a Replace the contactor indicator light is illuminated b Defective hi limit switch b Replace switch c Defective heater c Replace heater d Loose or defective ribbon cable d Tighten or replace ribbon cable e Defect
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26. SL c LN LHOIH XOS8 HOLIMS INIH L SL CE LEN LH31 XO8 HOLIMS WIH L H3NHOO LHOIH WIH L H3NHOO H3NHOO 133 1 INIH L H3NHOO 133 1 INIH L H3MO 1 HOOQ NIH L H3MO 1 HOOQ NIH L We FIL SS F FIANOIONHSHL SL EL CL EE We V FIANODONHSHL ISdS 11990L HOLIMS 1840 4199 9 01 1 5 TIVNIINH3 L MAHOS HOLIMS dINVOL 1540 8 xININS L O S LONGOYd dOLS xININZ OLOcv LONGOYd dOLS NOILdIHIS3A See Taylor Warranty Card Available Separately Models 22 28 46 Parts List HOSSIH4WOO 8 AVI3H HO1V 15 9678 LO LIY L S IOULNOSJ 2 52689 HO HAS LES9ZX 39V 1d3H OL HOlHd SvZvZ0Sr SLINN NO ISN LSNW 12 1898 12 016220 9 982 0 00 9 0 21820 0 89 0 621260 9 69 0 LO HOTAVL V 33S 9 09 24 OVA083 HOLSIHVA xNINT 9 0S2 LONGOYd dOLS 1 99 NH8 LHM 81 3HIM V TIVNIINH3 L IHAVNHG 81 3HIM V TVNIIWNH3 L OvL NO8G8IH 3 18 VO TIIH9 39V3H3INI V 99 TIIHO 1 TOHLNOD A1VQdN TOHLNOD HOTAVL V LIM H3MO T H31V3H H3MO T H31V3H dINVeE 3SN4 x86 Wx ONIHIM INVHOVIG Wx ONIHIM INVHOVIG 2 08 026 HOSSAHdINOO IVIUALVIN 3svariag drio TIlH9 H3MOd QHVvOg IVULANN 31046 IVNINYAL M5
27. p Dimensions Width 38 96 5 Depth 37 3 8 95 cm Height 37 94 cm Approximate Weights Net 1 015 Ibs 460 kgs Crated 1 185 165 537 5 kgs 41 cu ft 1 15 m This unit is designed and constructed to meet stringent safety and sanitation requirements for NSF and UL Models 22 28 Introduction Model 28 Specifications Air Compressor One 115 volt Thomas VVOBL piston compressor Electrical Standard is 208 60 3 for thermal system Control section is 115 60 1 Fuse size is 6 amps Other electrical characteristics are available All internal connections are completed at the factory Three phase rated at 26 amps at 208 volts 9 3 RVV Available in electric only 13 374 34 9 18 1716 45 9 30 3 4 18 1 Dimensions Width Depth Height 20 51 0 cm 38 96 5 cm 37 94 0 cm Approximate Weights Net 631 Ibs 286 2 kgs Crated 711 Ibs 322 5 kgs 33 1 cu ft 0 9 cu m 37 94 0 26 1 4 66 7 34 344 88 3 Introduction Models 22 28 y in Section 2 Controls and Systems Microprocessor Operation Microprocessor Control Pneumatic System Gap Settings Mechanical Electrical Checkout Platen Flatness Verification Models 22 28 5 Controls and Systems Microprocessor Operation For detailed operating instructions refer t
28. spaced thermocouple probes The probes are located in the center of each heating zone There is also a thermocouple probe located in the center of each upper platen Perform the following procedure for grill temperature calibration 1 Place the FAN INTERLOCK switch in the ON position The word OFF will appear on the display Press and release the TEMP keypad The message CAL TEMP will appear on the display Press and hold the TEMP keypad until the message on the display changes A TOO COOL DISPLAY will appear on the LED Allow the grill to reach calibration temperature The display will indicate the calibration temperature for each heat zone i e FRONT 325 F for Fahrenheit FRONT 163 C for Centigrade With a properly calibrated pyrometer place the grill surface probe on the center of the lower front heat zone Allow the temperature to stabilize for approximately ten seconds and note the temperature reading from the pyrometer Immediately press the ARROW keys to change the temperature recorded on the LED to match that of the pyrometer It is not necessary to wait for the red indicator light to illuminate Press and release the TEMP keypad to enter changes and to display the next heating zone message Repeat steps 5 through 7 for the center back and upper heat zones Once all zones have been calibrated the message DATA SAVED will be displayed briefly on the LED The word OFF then will appear
29. the gap is too large 5 Repeat this procedure for all four selector knobs CAUTION GO NO GO gauge may become HOT during a gap check Bacon Only 1 Place the four gauge blocks between the upper platen and the grill surface 2 Insert a 001 feeler gauge between the upper platen and each gauge block The gauge must fit between the platen and the block If not the gap is too small 3 Inserta 010 feeler gauge between the upper platen and each gauge block The gauge should fit tightly between the platen and the block If not the gap is too large Incorrect Gaps When adjusting gap settings the grill must be working at operating temperatures the upper platens should be placed in the standby position and no release material should be installed The gap is controlled by the gap adjustment screw contacting the product stop The only adjustment necessary is the position of the gap adjustment screw To adjust gap settings perform the following steps 1 Remove the selector knobs 2 Remove the platen cover There are six screws securing the platen cover 3 Using a screwdriver hold the gap adjustment screw stationary 4 Loosen the jam nut 5 Adjust the gap by raising or lowering the screw Raising the screw will narrow the gap lowering the screw will widen the gap 6 Re verify the gap 7 gap adjustment is correct check the remaining three selector positions In some cases correctin
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32. ER NN ue 5 e 2 pes es UC mE NI MEC INI Models 22 28 35 Upper Platen Components Parts 36 Models 22 28 Upper Platen Components Parts List Description Part Number Model Model 22 Qty 28 Qty 1 p IE SS gt 3 z 5 3196 4 7 2 ro I N E 1 Nut 10 32 MF Lock 020983 Screw 10 X 3 8 Type 015582 Stud Replacement 076179 1 Nut 10 32 Hex Service Only 005598 N A 50 HZ See page page 40 See parts list for grills with serial number J5061783 and prior 2 5 5 2 2 2 2 2 2 6 0 N N 3 ft ft 4 7 8 9 0 2 3 4 5 6 7 8 9 A 0 A 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 Models 22 28 37 Parts Arm Assembly Models 22 28 38 Parts Arm Assembly Parts List Description Part Number Model Model 22 Qty 28 Qty 9881 5111 s 8 E 3 e l MIT NI Sem sheiexseHexcap 4 REC Dsum I
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34. Once the desired cook time has been entered the message DATA SAVED will be displayed briefly on the LED The unit will then advance to the standard run mode To Re Load Factory Default Settings 1 Place the power switch ON OFF in the OFF position 2 Press and hold the MENU TIME and TEMP keypads simultaneously 3 While holding the keypads place the power switch in the ON position 4 Once the message LOADING appears on the LED release the keypads Note For International defaults press the TIME UP and DOWN keypads To Check Average Temperature To determine average heat zone temperatures for the most recent cook cycle perform the following procedure 1 When the unit is in the standard run mode press and hold the TIME keypad until the message TIME XXX displays 2 Press and release the TEMP keypad and the message AVE 1 XXX will appear on the LED This indicates the front lower zone s average temperature during the last heat cycle 3 Press and release the TEMP keypad to view the average temperature of the middle lower heat zone 4 Press and release the TEMP keypad to view the average temperature of the back lower heat zone 5 Press and release the TEMP keypad to view the average temperature of the upper platen heat zone Once the the average temperatures for all four heat zones have been displayed press the TEMP keypad and the message DATA SAVED will be displayed brie
35. to 60 psi 414 Valve check valve is a valve which allows the compressor to start under no load condition When the compressor stops operating the valve also allovvs pressure to exhaust between the compressor and the valve itself D Pressure Svvitch When air pressure has left the accumulator the pressure switch recognizes this and activates the compressor again Generally the platen can be raised eight times between compressor cycles on a Model 22 Three times on a Model 28 On a Model 28 grill the pressure switch opens at 60 psi 414 kPa closes at 45 psi 310 kPa On a Model 22 grill the pressure switch opens at 60 psi 414 kPa and closes at 35 psi 241 kPa LATCH SOLENOID VALVE 075503 PRESSURE SWITCH 077879 ol C 115V 032129 27 208 238V AIR LINES VALVE E Relief Valve The relief valve ensures that accumulator pressure does not exceed 70 Ibs F Drain Solenoid When the fan interlock switch is placed in the OFF position the drain solenoid allows excess moisture to drain out ofthe accumulator atthe end of each day G Regulator Regulates the pressure necessary to hold the upper platen in the closed position at 30 psi 207 kPa H Latch Solenoid When activated the latch solenoid opens the flow of air pressure which holds the air cylinder plunger in the raised position This plunger ke
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37. 2 V 10 667520 1 212820 MOV1E LNAWLSNPAV LANWOYS 106920 9 3SN4 AAWA z 088520 YLS 8HVSOLL X LdWP L ONILLIA 55770 ALO ALD HHVM 8z NOILdIHOS3G pepe aia 2 ES ERN a 2222 L L L L L v 4 4 See Taylor VVarranty Card Available Separately Parts List 43 Models 22 28 2899 0 58 50 29 0031 ABANLS U3ONNI4 0 v 6828 0 ONIHV38 31V 1d 2882X 31V1d 90220 LHOISMYALNNOO NId uomdevs svos 1HOIH 3dIS 13Nvd uomdevs sos oso 1331 3dIS 13Nvd 31vadn 55770 ALO ALD HHVM 82 44 NOILdIHIS3A 96 26 26 26 26 26 26 26 See Taylor VVarranty Card Available Separately Models 22 28 44 Parts List 31vadn HOIHd 9 666evosr dn oooovosr L 826920 92 169920 169920 81 169920 7 169920 806920 669420 4966 0 628220 888920 2188920 L 09920 80004 1uVd NI H3dHO 00024 1uVd NI H3dHO 000Z7H 1uVd NI H3dHO 000ZH ON LHVd NI H3dHO 55770 ALO HHVM 82 xININ6 8 0S LONGOYd dOLS xIN
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39. 314804 ca 8 MIA QR wa 2 M 188 314814 Ihm 314804 m 8 2 ABONYLS AGONVLS 01083105 837108 y x 41083108 El 337108 NIS x 1 89 HOLVI ITE gt HOLY 8 2 3188nd e Nana ama gt LHM NMOUS 3118 mat of rimu eina 318 5 Pr Ex T MAINS MIA NY9 g is 3018 El 3018 3018 3018 3118 lt 3018 3078 3118 JE gt Es 2 le JE 2 8 8 8 u u u ooo wo 5 co ano quo mn cl cl ni m Que t cl cl ni cl Els 5 2 S M 5 Mi 5 M El gt gt gt gt gt 5 S 2 5 5 S 8 2 NaLYId 401 pi 3078 3118 3018 3118 038 o 038 038 o yov S e yovia 3 5 438 u 038 2 ing o LA Part 076870 35 Model 22 ZH QS 17 072
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42. IN9 9 092 4015 xININ 2 060 LONGOYd dOLS SL cE EE IN LNAMNLSNTQV V 4018 81 21 1 IN LNANLSNCQV V 4018 00 Wx NALW1d V ANOUHS 00 Wx 3SV3HO G II3HS 61 8 8 21 3SV3134 QANVAS LAAHS GL EE LAVHS X31 3HO9 2 1 1935 X31 3HO9 2 1 LNIOP LNVIVAS X31 3HO9 2 1 LNIOF LNVIV3S X31 3HO9 2 1 1935 LAMOOS X HAQINOHS MAHOS UFAINOHS MIUIS ININLSNFAV MIUIS 1339068 2 1 1X81 9L 6 MAHOS IN3W3OV Id3H dlHlS H3dIM NO I331 H3dVHOS SL c LHOISMUALNNOS AlLL QOHU aG LG LT EE Ws 1VIN ASVA THdH GQOH 02L VSc d AH OH3W AV 13H 001 82 42 4 1 4 001 82 4 4 14 LOIdQ AV 134 Hualno agovd NOILdIHOS3G See Taylor Warranty Card Available Separately Parts List 45 Models 22 28 cLL009H HLON31 ALS 96 S88S20 c0 0tH NI pm EUN NE pg pum p 8 66662067 73 __ r 18 8 66662067 mE Be p p E 1 2 a Es MOOTHALNI NVA 31vadn 55770 ALO ALD S 1HVd HHVM 8z 1991 IH H3dflS cH 3HIM NOTAN 3UV Id 8 H3HS VM TAHSINV IO W l3 NIVH L O3GIA VIG WW Z L SINH OVASLL HOLSIHVA 3914140 69 M MO3HO 3ATVA 0826 X dI 02E 38n L
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46. and serviceable equipment The many built in safety features that are part of all Taylor equipment are aimed at protecting operators and trained service technicians alike IN This manual is intended exclusively for Taylor Company authorized service personnel This machine is designed for indoor use only Always follow safety precautions when servicing or operating the clamshell grill A DO NOT operate the grill before reading the Operator s Manual Failure to follow this instruction may result in equipment damage poor grill performance health hazards or personal injury NOT operate the grill unless it is properly grounded e NOT attempt any repairs unless the power supply to the grill has been disconnected Failure to follow this instruction may result in severe personal injury from electrical shock DO NOT use a water jet to clean or rinse the grill Failure to follow this instruction may result in serious electrical shock DO NOT operate the grill unless all service panels and access doors are restrained with screws Failure to follow this instruction may result in severe personal injury from hazardous moving parts DO NOT store flammable vapors flammable liquids or combustible material in the vicinity of the grill Failure to comply can result in a fire hazard e The grill must be placed on a level surface e The grill must be pulled away from the wall for thorough cleaning When r
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48. embly 25 Compressor Assembly 26 Accumulalor Assembly 2 2552 2er act ai 27 Compressor Accumulator Assembly 29 Mercury Relay Assembly 31 Counterweight Rear Components 34 Upper Platen Components 36 Arm ASSEMDIY rrr 38 Pants Eista u nae Caf ak 40 Model 22 Wiring Diagrams 48 Model 28 Wiring Diagrams 59 CAUTION Information in this manual is intended to be used by Taylor Authorized Service Technicians only Note Continuing research results in steady improvements therefore information in this manual is subject to change vvithout notice July 1996 Taylor All rights reserved 048455 S TAYLOR word Taylor and the Crown design are registered trademarts in the United States of America and certain other countries Taylor Company 750 Blackhawk Blvd Rockton IL 61072 Models 22 28 Table of Contents Section 1 Introduction Safety Model 22 Specifications Model 28 Specifications y in Models 22 28 Introduction Safety at the Taylor Company are committed to manufacturing safe operating
49. eps the upper platen in its closed position during the cook time Air Cylinder When times elapse the air cylinder dampens the opening of the upper platen AIR CYLINDER 076450 LATCH SOLENOID 075503 RELIEF VALVE 075723 REGULATOR CHECR VALVE COMPRESSOR 029830 020959 075506 12 115V DRAIN SOLENOID 075503 Controls and Systems Models 22 28 Settings All domestic gaps have been factory set to the following specifications Bacon 090 Regular 260 Sausage 350 Quarter 420 Rib 530 To verify gap settings the grill must be working at operating temperatures the upper platens should be lowered to the STANDBY position and no release material should be installed 1 Raise the left lift handle and turn both left side selector knobs to the REGULAR position Release the handle 2 Repeat step 1 for the three remaining handles One remaining handle on a Model 28 3 Insert the GO end of the GO NO GO gauge directly under any product selector knob The GO end of the gauge must be able to rotate with little or no resistance between the upper platen and the grill surface NOTE Bacon gaps should be verified by following the steps indicated under the heading BACON ONLY 4 Insert the NO GO end of the gauge under the same selector knob This end must not be able to rotate If the end of the gauge can rotate
50. eturning the grill to its original position use extreme caution to smoothly and slowly roll the grill backward into place Failure to do so may cause the grill to tip and can cause personal injury or severe equipment damage A DO NOT obstruct the ventilation openings at the rear of this appliance or the flow of air in and around the grill Failure to follow this instruction may cause poor grill performance and damage to the machine CAUTIONI To avoid personal contact with hot grill surfaces or grease always use extreme caution when servicing installing operating and cleaning the grill All warning labels that have been attached or adhered to the grill further stress safety precautions Please follow the instructions indicated on such labels NOISE LEVEL Airborne noise emission does not exceed 70 dB A when measured at a distance of 1 0 meter from the surface of the machine and at a height of 1 6 meters from the floor Introduction Models 22 28 Model 22 Specifications Air Compressor One 115 volt Thomas VVOBL piston compressor Electrical Standard is 208 60 3 however other electrical characteristics are available Control section is 115 60 1 Other electrical characteristics are available All internal connections are completed at the factory Three phase power rated at 27 8 amps per side at 208 volts 10 KW per side Specifications are subject to change without notice 80399 80889
51. fly on the LED The unit will then advance to the standard run mode Jumpers There are two sets of jumper pins on the Taylor Microprocessor Control Board see illustration on page 9 The jumper marked TEMP is used to determine the temperature scale If a jumperis installed across the two pins the grill temperature will be read in Celsius Centrigrade degrees If the jumper is not installed across the two pins temperature will be read in Fahrenheit degrees The jumper marked TYPE determines whether the grill is gas or electric Models 22 and 28 are electric grills and should not have a jumper installed on the pins When this jumper is installed across the two pins the center heating element on the lower plate of the grill will not heat Controls and Systems Models 22 28 Microprocessor Control 78496 5 5 00000 RED LINE L C 2 vaNoz Well toll Voll Voll 5 2 _ X48606 RIBBON CABLE 040040 015 CORCOM 2 FILTER Models 22 28 9 Controls and Systems Pneumatic System A Compressor and Accumulator The compressor pumps air into the accumulator building the pressure in the accumulator
52. g one position will adjust the entire platen surface In most cases however all four selector positions will need adjustment Models 22 28 11 Controls and Systems Mechanical Electrical Checkout Check all screws and terminals on electrical 9 components for tightness contactors breakers etc Record voltage of all supply circuits at the circuit breakers and terminal strip at the rear of the machine with the unit off With the unit properly connected to the supply circuit turn on the fan interlock switch Record the length of time it takes for the compressor to pump up the pneumatic system and shut off Turn on right and left power switches Select REG on control and allow all zones to begin heating Adjust bumpers so there is adequate hand clearance between the exhaust hood and upper platen handle when the platen is in the raised position When operating temperatures have been reached lower each upper platen into the cook position to verify correct solenoid and cylinder response Allow the unit to run through the complete cook cycle The controller will display the product and the count down Once each upper platen has run through the cook cycle verify the standby circuitry by placing the upper platen in the cook position and pressing the black push button on the control panel The LED will display the message STANDBY To remove the upper platen from the Standby mode press the red push button switch on t
53. ge 7 Program cook times according to instructions on page 7 Remove product according to instructions in the Operator s Manual Choose proper setting Set gaps according to instructions on page 11 Program temperatures according to instructions on page 7 Rotate release material daily and change material when worn Choose proper setting Set gaps according to instructions on page 11 Models 22 28 19 Troubleshooting Notes Troubleshooting 20 Models 22 28 y in FE AED NEED Hamm 1 Section 4 Parts Warranty Explanation Exploded Views Complete Parts List Models 22 28 21 Parts Warranty Explanation Standard Warranty The Taylor company warrants each Clamshell Grill to be free of manufacturing defect for one year on labor see warranty card Parts Class B Parts Warranty is extended 1 year from the original date of grill installation Class C Parts Wear Items no warranty Special Parts Two year warranties for upper platens air compressors and all printed circuit boards Labor The Taylor warranty is valid only if required service work is performed by an authorized Taylor technician For more details see the warranty check out card Parts 22 Models 22 28 Front Side
54. he control panel The upper platen will open to the load position and the LED will display the product selected Pneumatic System Check a Verify that the pressure through the regulator is set at the correct pressure b Check system for leaks c Record the time it takes the compressor to fill 13 the accumulator tank during its duty cycle 10 11 12 Verify that the latch switch is energized when the upper platen handle is 1 4 64 cm to 3 8 95 cm from the bullnose lower grill surface Check all mechanical fasteners in the counterweight system Make sure that there are no loose nuts or bolts Upon completion of this check secure back panels and side panels Temperature Calibration a Press and hold both UP and DOWN arrow keypads until the display reads OFF Press and release the TEMP keypad Press and hold the TEMP keypad again until the display reads COOL Allow all zones to reach calibration temperatures The display should now read FRONT XXX F or b With a properly calibrated pyrometer and surface probe measure the temperature in the center of the front heat zone on the bottom cook surface Press the UP or DOWN keypads until the temperature displayed on the control equals the temperature measured Press the TEMP keypad and repeat for all other zones Change to normal operating mode for REG s Verification of Product Gaps a Each upper platen is
55. ive power board e Replace board 8 One heat zone will not heat and the Defective thermocouple a Replace thermocouple indicator light is not lit b Improper control setting b Reset control temperature setting c Defective control board c Replace board Troubleshooting 16 Models 22 28 PROBLEM CAUSE REMEDY 9 Drain solenoid drains continuously Defective solenoid a Replace solenoid b Connector loose or faulty b Tighten or replace connector 10 Product over cooked under a VVorn release material a Replace release material cooked or unevenly cooked b Carbon build up on the upper b Remove carbon build up following platen surface instructions in the Operator s Manual c Air regulator set too low Adjust regulator setting 4 Time or temperature set Set control correctly incorrectiy Selector knobs set to incorrect Set knobs for desired product position f Zone not heating Refer to problems 6 7 and 8 9 Incorrect gap calibration Setgaps 11 Air compressor does not activate a 6 amp fuse blown Replace the fuse when the FAN INTERLOCK switch is in the ON position b Power connection faulty Tighten or replace connection FAN INTERLOCK switch is faulty Replace faulty switch 12 Upper platen will not remain in the Faulty processor control Replace control COOK or STANDBY position b Loose or defective ribbon cable Tighten or rep
56. lace ribbon cable c Faulty power board Replace board d Faulty latch switch Replace switch e Faulty solenoid Replace solenoid f Faulty pneumatic system Clean repair or replace faulty pneumatic system component 13 Upper platen will not remain in the Processor control set improperly a Reset control time setting COOK position but will operate in the STANDBY position 14 Upper platen will not remain in the Faulty STANDBY switch a Replace switch STANDBY position but will operate in the COOK position b Faulty wire connections b Tighten or replace wires 15 Upper platen opening too rapidly a Orifice plug missing or installed a Install plug or prematurely incorrectly b Processor control set incorrectly b Reset control Models 22 28 17 Troubleshooting Warning Messages Dixon Microprocessor Controls T C 1 Defective lower front thermocouple T C 2 Defective lower center thermocouple T C 3 Defective lovver rear thermocouple T C 4 Defective upper platen thermocouple Note If any thermocouple measures temperatures below 201 F 93 C a COOL message will appear on the LCD XHOT 1 Lovver front zone too hot XHOT 2 Lower center zone too hot XHOT 3 Lower rear zone too hot 4 Upper platen zone too hot STUCKLID Upper platen will not open Note If the thermocouple measures temperatures above 455 F 235 C an message will appea
57. o change the product selection press and release the MENU keypad once then press and hold the MENU keypad for 5 seconds After 5 seconds has elapsed press the MENU keypad until the desired product is displayed on the LED Wait for the cook time to appear To Change Product Cook Temperature 1 Press and release the TEMP keypad The word LOWER will appear on the LED Note Press and hold the TEMP keypad for 5 seconds until or appears at the end of the temperature value To increase or decrease the cook temperature for the lower grill plate use the up or down arrow keypads Press the TEMP keypad to display the word UPPER To increase or decrease the cook temperature of the upper platen use the up or down arrow keypads Press the TEMP keypad to enter the changes and return to the cook cycle Note During this procedure the control will allow a maximum of 20 F 6 C change in temperature lower or higher If a greater change is necessary the operator must exit and re enter the menu to allow an additional temperature variation To Change Product Cook Times 1 Press the TIME keypad and hold for 5 seconds or until the display reads TIME XXX To increase or decrease the time setting use the up or down arrow keypads Press the TIME keypad to enter the changes and return to the cook cycle To Calibrate Temperatures Foreach half ofthe lower grill surface there are three equally
58. o the Taylor Operation s Manual for McDonald s Microprocessor Grills 1 G 4 4 The keypads the above illustration are identified in these instructions as follows from left to right MENU TEMP TIME UP ARROW and DOWN ARROW Grill Start Up Procedure 1 Lower the door panel assembly to gain access to the main control 2 Place the FAN INTERLOCK switch in the ON position NOTE The FAN INTERLOCK switch supplies power to the exhaust hood and to the grill 3 Place the power ON OFF switches in the ON position 4 The control version number will be displayed briefly The word OFF will then appear on the ten segment light emitting diode LED 5 To select the standard alarm press the arrow keypad To select the optional alarm press the DOWN ARROW keypad If no alarm is desired do nothing at this time 6 Press and release the MENU keypad once then press the MENU keypad to scroll through the product selections When a product is displayed on the LED for more than five seconds the control will automatically enter the selection NOTE When a menu selection is entered factory default cook times for each product selection will be indicated on the LED A cook time of 000 will be indicated for the EGGS product selection as preparation of this product does not utilize the upper platen 7 Lower the upper platen to the STANDBY position This will speed the heating process
59. ov18 1991 yov18 1991 3118 2 038 3118 mtl 91 2409 802 11 831414 401 yov18 yov18 Model 28 Wiring Diagrams Part 078124 235 Model 28 3LIHM Y2V 18 H21V1 MO1134 99V18 311HM JLIHM 01083108 ave 2 311 HN 314804 AN 21901 S NM REN 5 F e 8 E Or S a 22 TER 299 v MOT13A 99V18 UESTRE 7 8 8 mS m E at 2 18 6 L 2 5 9 LIAN OVI El S 19 N lt 1347418 7 3182 SE 5 1918 au 417708 5 MS 2 314404 us 314814 d bl an 114415 1 41104 N as M ABONYLS SINO
60. r the LCD Taylor Controls 2COOL T or TC 2 R or TC BD R 2COOL C or TC BDC 2COOL F or TC BD F Defective top thermocouple Defective rear thermocouple Defective center thermocouple Defective front thermocouple Note Ifthe thermocouple measures temperatures 75 below the setpoint a TOO COOL message will appear on the LCD XHOT T Upper platen too hot XHOT R Rear zone too hot XHOT C Center zone too hot XHOT F Front zone too hot STUCK LID Upper platen will not open Note Ifthe thermocouple measures temperatures 50 above the setpoint an XHOT will appear on the LCD Troubleshooting 18 Models 22 28 Meat Quality Troubleshooting PROBLEM CAUSE REMEDY m 1 Under cooked product 2 Overcooked product 3 Improper sear Freezer burn Worn release material Improper cook times Incorrect adjustment knob setting Incorrect gap setting Improper cook temperature Incorrect cook times Improper product removal Incorrect adjustment knob setting Incorrect gap setting Improper cook temperature Worn release material Incorrect adjustment knob setting Incorrect gap setting Use fresh product Rotate release material daily and change material when worn Set timer according to instructions on page 7 Choose proper setting Set gaps according to instructions on page 11 Program temperatures according to instructions on pa
61. set up for five specific products Make sure all four selector knobs are aligned to the same product selection b Use the special GO NO GO gauges to make sure that all product selections are set within specifications If adjusting is required refer to gap setting procedures outlined on page 11 Secure all panels and note the condition of machine exterior Controls and Systems 12 Models 22 28 Platen Flatness Verification To verify the flatness of the upper platen perform the follovving procedure Materials Kit A Platen Gauge P N X78091 Preparation 1 Remove release sheets and set them aside THE GRILL PLATENS AND PLATE MUST BE CLEAN AND FREE OF CARBON 2 Heat and stabilize the grill at standard operating temperatures Domestic Lower 325 F 163 C Upper 400 F 204 C International Lower 350 F 177 C Upper 425 218 Procedure 1 Following the steps on 7 of this manual changing product select the QTR product for each section of the grill 2 Place the three gauge discs on the lower plate positioned as shown in the illustration below The discs should rest approximately two inches from the outer perimeter of the upper platen TOP VIEW DISK 3 Lower the upper platen 4 Place the grill in the Standby mode of operation 5 Insert the inspection tool between the upper platen and the lower plate Wi
62. th a sweeping motion confirm that there is no interference between the upper platen and the lower plate P 6 Invert the position of the gauge discs and repeat steps 4 and 5 TOP VIEW DISK e If there is no interference the flatness of the platen is within tolerance If the inspection tool cannot move freely between the two surfaces the platen is defective and must be corrected or replaced DO NOT ALLOW THE PLATEN TO BE USED FOR ANY TWO SIDED COOKING Models 22 28 13 Controls and Systems Notes Controls and Systems 14 Models 22 28 Section 3 Troubleshooting General Troubleshooting Warning Messages Meat Quality Troubleshooting y in Models 22 28 15 Troubleshooting General Troubleshooting Guide PROBLEM CAUSE REMEDY 1 1 Display reads BD ZONE reads TC BD ZONE Defective thermocouple thermocouple a Replace thermocouple thermocouple b Defective control board b Replace control board 2 Display reads ZONE a Control set to incorrect product a Allovv platen to cool Temperature too high for desired product b Thermocouple shorted b Replace thermocouple c Defective control board c Replace control d Defective power board d Replace board e Mercury relay inoperative e Replace mercury relay 3 Display reads STUCK LID
63. y Bun Models 22 28 Clamshell Grills Service Manual 048455 5 TAYLOR 7 96 AED NEED SEN j Table of Contents Section 1 Introduction EE irre 1 OS ESE 0 SD USEE EE ge el 2 Model 22 Specifications seg ac 3 28 Specifications s 5 te Den en Section 2 Controls and Systems 5 Microprocessor Operation 6 Microprocessor Control 9 Pneumatic System sera ont Aurea emet esis dent E 10 Gap Settings Be to 11 Mechanical Electrical Checkout 12 Platen Flatness Verification 13 Section 3 Troubleshooting 15 General Troubleshooting Guide 16 Warning Messages are ae dn ane a Rape ane a 18 Meat Quality Troubleshooting 19 Table of Contents Models 22 28 Table of Contents Page 2 Section 4 Parte romeo ee aO Sep a eo qo EC qd 21 Warranty Explanation 2 Kanes a are te aed E arena Un rue 22 Front Side Ei 23 Main Control Ass
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