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1. 806 7162 Full vat EPRI Pulse to setpoint 806 7163 Dual vat EPRI Pulse to setpoint 806 4548 Tube fryer dual 8 on 24 off 806 5098 Tube fryer full 8 on 24 off 3 7 Strapping the Computer Magic III not required on CM III 5 Unlike the computers on McDonald s fryers the Computer Magic III is not readily switched between full and dual vat electric or gas Each computer is set at the factory for full or split vat gas or electric and controlling and non controlling applications In order to change the factory settings the three dip switch type points on the back of the computer must be adjusted in a procedure called strapping Solder is either added or removed to open or close the switch Extreme care must be used when adding or removing solder to avoid damaging the printed circuit board a ke i a abl i JF A E m LEELA at TTT es LLELLE SeRRERCEE ae f 4 LULL PITTI Tite ve ae chyehee M reteeer a SRROHRARRRER EERE e E i T a 1 R Fetgheregpeteteqagt St PF f Ha asar Pi T U T e E a2 piper FF ri Ja f a E E h Ja w LLL LLO E m FeEREErE _ rete 2 a ga PARAR E Feet F TTT k Fiaoe TERLER C S1 This switch determines 1f the computer will control a fryer or simply monitor cooking times temperatures and operate basket lifts S2 This switch determines the melt cycle OFF time which is decidedly different S between electric and gas fr
2. included multimedia material introduces button and keypad sequences to program various menu features of the computer Click on the red bar to launch the computer presentation Programming the CMIII e Constant Temperature Display V165L Other programming codes e Computer Version Display 165R e Boil Out 1653 e Celsius to Fahrenheit 11658 Common Errors Most customer difficulties are the result of improper programming Here s a look a common complaints their cause and how to fix the problem Complain Fryer displays HI Setpoint incorrect or missing Correct setpoint Temperature in Celsius Computer is programmed for Celsius Change programming Temperature constantly Computer programmed for constant Change programming displayed display Computer times down too slow Computer is compensating for oil Check programmed temperature with sensitivity feature sensitivity setting Computer times down too fast Computer is compensating for oil Check programmed temperature with sensitivity feature sensitivity setting Computer Magic II 5 In late February 2000 Frymaster released into production a new generation of CM III computers the CM II 5 computer From the operator s perspective there is no difference the CM HI 5 computer looks the same and is programmed and operated in exactly the same way as the earlier CM III computers The CM III 5 computer is fully interchangeable with the CM III computer However the
3. or 1 will be displayed in the right window O indicates that the melt cycle cannot be bypassed by the operator by pressing R button 1 indicates that the melt cycle can be bypassed by the operator by pressing the R button Press O or 1 to toggle back and forth between disabling and enabling the bypass melt cycle option Press Y C on will be displayed in the left window and a number will be displayed in the right window The number indicates the number of seconds the melt cycle remains on Use the number keys to enter a new duration Press Y CoF F will be displayed in the left window and a number will be displayed in the right window The number indicates the number of seconds the melt cycle remains off Use the number keys to enter a new duration Press The changes to the configuration will be stored and the computer will be returned to the normal operating mode Computers for McDonald s In January of 1989 Frymaster introduced the first built in computer for McDonald s fryers the MACC100 The computer provided the restaurant chain with a programmable system designed for their menu The new computer eliminated the need for remote timers drop in probes and additional harnesses Ho oo oO a ae Frymaster 5 eH l iisi ad a s 1 Pdi E The 100B is the successor to the computer introduced to McDonald s in 1989 The MACC100 which is n
4. Controls Controllers amp Computers General Information Analog Controllers Digital Controllers Computer Magic III and III 5 Strapping CMIII Programming CMIII Presentation M 100A for McDonald s M 100B for McDonald s Programming 100B 100B Button Functions Multimedia Clearing Rec Lock Multimedia Return to Cover Controllers and Computers In 1978 Frymaster changed the fryer industry l i i The original with the first computerized commercial Frymaster frying system Computer Magic Since then Computer Frymaster has supplied electronic or Magic computerized controls for most major quick computer system service restaurants The electronic controls manufactured by Frymaster provide years of consistent high quality service Electronic Controllers The production of analog controllers began in 1983 with the introduction of the High Efficiency Gas fryer series Thermostat controls were replaced with solid state electronics and a solid state temperature probe which meant fewer moving parts This eliminated the need to A solid state dual vat controller Split it in half and calibrate fryer thermostats the result is identical to a single vat controller Other features include built in automatic melt cycle timer signal lights and quick disconnect for ease of removal The MJH50 and H Series electric fryers include the analog controller as a standard feature The difference between gas and electric controlle
5. ch With this change the customer cannot by pass the melt cycle Signal Lights The signal lights on an analog controller do more than tell the customer when the unit is on and heating A quick review of the lights can guide a technician straight to the cause of a fryer s difficulty Use the following information to simplify system diagnostics Power amp Heat Trouble C Melt Power Heat r Trouble C Melt C Power Heat C Trouble Melt Power amp Heat Trouble amp Melt C Power Heat C Trouble C Melt C Power light on heat light cycling trouble light off and melt light on lf the oil temperature is below 180 F the lights indicate the unit is operating normally If the oil temperature is above 180 F and the heat light continues to cycle as if in melt mode this may indicate a defective probe circuit or low incoming 12 VAC to the controller Power light on heat light on trouble light off and melt light off lf the fryer oil temperature is above 180 F and below setpoint the lights indicate the unit is operating normally If the oil temperature is above the setpoint and the heat light remains illuminated this may indicate a defective probe circuit Power light on heat light off trouble light on and melt light off If oil temperature is below 410 F the lights indicate one of the following Probe circuit defective connection problem on pin 2 or pin 10 on the 15
6. d 3706 in the right window see photo below The version number and part number do not change if the computer is reconfigured in the field Reconfiguration Procedures To enter the reconfiguration mode ground pin 8 If using an MTB310A test box flip the TEST switch to the ON position to ground pin 8 press Y and enter code 1 6 5 6 in that sequence NOTE This is a sequential process to leave a value unchanged press Y to skip to the next step GAS will be displayed in the left window and either a 0 or 1 will be displayed in the right window 0 indicates the computer is configured for an electric fryer 1 indicates it is configured for a gas fryer Press 0 or 1 to toggle back and forth between electric and gas Press IYI SP Lt will be displayed in the left window and either a 0 or 1 will be displayed in the right window O indicates the computer is configured for a full vat fryer 1 indicates it is configured for a split vat dual vat fryer Press O or 1 to toggle back and forth between full and split vat Press Cntr will be displayed in the left window and either a 0 or 1 will be displayed in the right window O indicates the computer is configured as non controlling 1 indicates it is configured as controlling Press O or 1 to toggle back and forth between non controlling and controlling Press Y ACYC will be displayed in the left window and either a 0
7. feature disables the fryer if it fails the recovery test that measures the rate the oil temperature rises between 270 F and 320 F Burn Off This feature allowed the heating elements on an electric unit to heat for 105 seconds before de energizing burning off debris This procedure has been eliminated Chicken A low pitched audible alarm sounds if a chicken menu item is selected before the oil reaches the required setpoint On international versions of the M100A Enhanced the cook time for chicken menu items is factory set to zero The operator must set the cook times for each chicken product before the menu items can be selected M100B In late September 1996 Frymaster changed the McDonald s computer from the M100A A H T 3 oe H to MIOOB 2 oo 4 2 McDonald s M100B Computer The revisions included changes to Low Temperature Display Beep rates Filter mode Low Temperature changes The display flashes Low Temp and an audible alert sounds when the oil temperature 1s more than 45 F below the setpoint during the cook cycle From 45 F to 15 F below setpoint the audible alert stops but the display continues to flash and the computer switches remain locked Display changes Remove is replaced by Pull and Qual is replaced with QA Beep rates Beep rates can no longer be selected Rates are set at the factory as follows Beep rate 1 Shake QA Filter and any duty Beep rate 5 Pull Beep rate 8 Ig
8. nd for control ie Power 12VAC to controls Output 12VDC Ground to RH heat relay coil when controls call for heat er VR relay power 12 VDC to heat relay latch relay electric units only and hood interlock McDonald s 6 Output 12VDC Ground to LH heat relay 8 input Analog ground for contos 2 ouput 12V0C tea ortet baskeitrey O o Input Receives output from right alarm terminal of module gas o right latch relay electric Output Power 5VDC Pulse to sound device Input Receives output from left alarm terminal of module gas or left latch relay electric Input Probe circuit right Probe circuit common for left and right Input Probe circuit left oO Digital Controllers Digital controls are also available as an option on HE gas and electric series fryers i The digital controller performs identically to ea the analog design Full vat digital controller Digital Controllers PartNo Description Melt Cycle The digital controller is standard on triac and solid state relay equipped electric fryers The triac solid state relay essentially runs a melt cycle like pulse of 20 seconds On and 80 seconds Off until the unit reaches setpoint Cycling reduces the peak electrical load required to run the fryer and reduces utility costs for the restaurant Specialty Fryer Controls Several variations of the solid state analog ggoog TE m SPAGHETTI and digital contr
9. nition failure Low temp Probe Hi Limit Manual cancels Manual cancels only apply to Pull QA and filter Filter Mode The Filter Mode is essentially a five minute timer that alerts the operator to turn the filter pump off McDonald s Computer Displays Time Time displays on McDonald s 100B computer are shown in minutes and seconds For example 145 indicates one minute and 45 seconds remaining in the cycle When the time remaining drops below one minute a colon will appear and 59 will be displayed The computer will continue to count down The displayed time will not exceed three characters McDonald s computers prior to the 100B measured time in seconds only For example a three minute cook time would be displayed as 180 Seconds only display was used for all features of the computer including recovery and product timing Terms The words displayed on the computer changed with the 100B Qual which refers to the length of time a product can be held after cooking was changed to QA REMOVE was changed to PULL Other features The sensitivity setting on McDonald s computers is linked to the menu item and preset at the factory Sensitivity is not adjustable on McDonald s computers 3 17 Programming and Operating the McDonald s 100B Programming the McDonald s 100B is a straightforward operation The included multimedia presentation introduces the button and keypad sequences to program various menu features of
10. o longer available has been followed by the 100A 100A Enhanced and the 100B which is the current model The 100A is distinguishable from the earlier model by an encircled A in the center of the computer face In the set up mode on McDonald s computers the operator is able to set the unit to operate an electric or gas fryer with full or dual vats A nine pin receptacle or jack on the back of the added for use on a gas unit The computers default to a full vat configuration unless a probe is detected on the left side If the probe circuit is defective on the left side of the dual vat the computer will default to a full vat If 7 the probe circuit fails while in operation the left MACC100 and 100A computer remains empty for use on an electric fryer A jumper plug must be side will display probe failure OOG Q QI Nine pin plug on back of early McDonald s computer MACC100 M100A Enhanced In late April 1995 Frymaster changed the version of the M 100A The first version of the enhanced M 100A was 1 01 01 U S and 2 01 01A International McDonald s M100A Computer The revisions included Set up mode REC LOC or recovery lock EPRA or Early Product Removal Alarm Burn off Revised chicken product features Set up Mode Customer preferences are programmed energy type gas or electricity temperature display constant or alternating language the display shows Rec Loc This
11. oller are used in some of r ef7fafofo MAIC 1 Frymaster s specialty fryers and other TOERE Fr equipment including gas and electric pasta cookers Spaghetti Magic systems flat m bottom fryers FB18 and FB24 and Spaghetti Magic II Controller rethermalizers FBR18 and FBR24 Special Controllers PartNo Description Melt Cycle GSMS gas pasta w auto fill amp skim GSMS gas pasta auto fill onl GBC GC gas pasta auto fill amp skim 3 6 Computer Magic III Computer Magic II replaced Computer f Magic II in January of 1985 Major changes included a redesigned membrane switch enhanced interference reduction with automatic reset and a standardized computer module for universal application Computer Magic III a Computer Magic III provides features not available with analog controls The features include 12 programmable buttons that control Cook Time Shake Time Hold Time Sensitivity or Stretch and Shrink Time Automatic Recovery Time Test Boil Mode Other special features Constant Alternating Temperature Display Special Computers Computer Magic Ill Part No Description Melt Cycle 806 3707 Dual vat HE gas 6 on 24 off 806 4967 KFC DV HE gas 6 on 24 off 806 7158 Full vat electric 3 on 12 off ee 806 7159 Dual vat electric 3 on 12 off 806 3710 Full vat export HE 8 on 24 off 806 3711 Dual vat export HE 8 on 24 off 806 3705 MJ45 amp CF 3 on 24 off
12. pin harness If oil temperature is above 410 the lights indicate a runaway heating circuit On an electric unit check for mis wired or defective contactors or elements Power light on heat light on trouble light on and melt light off On HE gas fryers this indicates an ignition failure If the unit is heating normally this indicates a defective ignition module On electric fryers this indicates an open high limit circuit or defective latch relay Power light on heat and trouble lights shift on and off rapidly melt light off On HE gas fryers this indicates an overheated control box This is usually limited to McDonald s systems and is related to the enclosed hood design Check hood components and air systems to determine the cause of heat build up Fryer Control All controllers computer or analog connect to the fryer through a 15 pin plug The controllers differ only slightly due to the shorter melt cycles on electric units On the harness pin one is identifiable by a raised corner on the plug The pin numbers are also embossed next to each opening on the plug The electrical and gas controllers are not interchangeable due to the differences in melt cycle times the placement of the pins and their function are identical on a gas or electric unit Here s a look at the relationship of each pin on the fryer s plug and the function it controls Pin Type Function Power 12VAC to controls Chassis grou
13. re are several differences that will affect how service technicians work with the CM III 5 computer The CM III 5 computers carry the same part numbers and have the same price as the original CM III computers The CM III 5 is distinguished from the CM III by the relocation of the 15 pin connector to the bottom center of the rear cover and the addition of a 4 pin connector next to it The 4 pin connector is for factory use only Like the CM III computer the CM III 5 computer can be reconfigured in the field for gas or electric full or dual vat and timer or controller operation Unlike the CM III computer strapping is not required to change the above options Procedures for choosing options on the CM III 5 and changes between the CM III and CM III S are discussed below oo Frymaster ea i i EDATE Moc ce ce mc rl ed T New Features 1 If the display reads CALL TECH the memory chip or its support circuit has failed The computer cannot be repaired in the field and must be returned to the factory 2 A new code has been added To determine the configuration of the computer when it left the factory press Y and enter code 1 6 5 R in that sequence The software version number will be displayed in the left window and the last four numbers of the computer part number will be displayed in the right window For example a CM II 5 computer for an H50 full vat fryer 806 3706 will display 00 83 in the left window an
14. rs is the melt cycle time The melt cycle is not adjustable on solid state controls Standard Controllers Description Melt Cycle 806 3006 Full vat HE gas 6 on 24 off 806 3008 Dual vat HE gas 6 on 24 off 806 7422 Full vat electric 3 on 12 off 806 7423 Dual vat electric 3 on 12 off 806 3559 MJ45 CF amp MJ47 FV 3 on 24 off 806 3563 Full vat Export HE 8 on 24 off 806 3564 Dual vat Export HE and MJ47 DV 8 on 24 off 3 2 Specialized Controllers McDonald s The electronic controllers for McDonald s differ from standard controls in two ways e The melt cycle does not include an ON OFF switch e A high limit test switch allows the operator to by pass the temperature probe for testing the high limit safety device McDonald s full vat controller McDonald s Controllers Full vat HE gas 6 on 24 off Dual vat HE gas 6 on 24 off Full vat electric 3 on 12 off 806 7437 Dual vat electric 3 on 12 off 806 3571 Full vat export HE 8 on 24 off 806 3572 Dual vat export HE 8 on 24 off McDonald s dual vat controller Other Controllers Specific customer requirements have also produced some unique controllers The U S Navy Controller No melt cycle and includes a first and second high limit test switch The unit is a McDonald s controller without a melt cycle Foodmaker Jack in the Box In 1996 a new controller was created for this chain customer that eliminated the melt cycle swit
15. tes with stretch ae at all The degree to which the fryer reacts to the changing temperature of the oil is programmable there is a sensitivity setting available for each product button on the CMIII equipped H50s The sensitivity for each button can be set between O and 9 with O essentially disabling the feature A 9 provides the highest sensitivity or most pronounced change The correct sensitivity for a product is based on its density the setpoint and customer requirements What is Rate of Rise or Recovery The rate of rise or recovery check is a diagnostic tool that measures the elapsed time required for the fryer to raise the temperature of the oil from 275 F to 325 F The fryer takes this measure of its health any time the oil drops below the low end benchmark McDonald s HE fryers use 270 F and 320 F 3 Ais Se ee HN 5 fryers nea y recoraing tne as the window in which the fryer s health is time required for the oil to rise measured A standard HE gas fryer should between these points achieve the 50 degree rise in 2 25 Programming in the McDonald s unit allows it 2 35 to reach the goal The McDonald s unit however will lock out if it fails the test The display will show REC LOC The result of the most recent recovery check is displayed when you enter the code 1652 on the CMIII 3 9 Programming and Operating the CMIII Programming the CMIII is a straightforward operation The
16. the computer Click on the red bar to launch the computer presentation ai o p Programming the McDonald s 100B Rec Lock Rec Lock is often caused by adding cool oil while the fryer is between 270 and 320 F in its initial warm up The computer monitors the rise in oil temperature after reaching 270 F Ifa 50 F rise in oil temperature does not occur within 2 minutes 35 seconds 2 35 the computer will shut down the system Below is the procedure for clearing Rec Lock Clearing REC LOCK STEP 1 HG oo Oma He oo OF 0 0 70 2 fi OFO 2 The first step in cleaving REC LOCK is Computer in REC LOCK to turn the computer OFF by pressing the Oj switch HS oo 8H i Ce ee ee 1 Enter the programming mode by pressing Press thel switch REC LOCK is cleared and releasing Q and switches simultaneously The computer will display its model number and then FR FRIES YES Clearing Rec Lock Multimedia 3 19 Return to Cover
17. yers A computer must be adjusted 1f it is to work with a fuel source other than the one it was set to Here S1 and S2 are closed which means function with at the factory this is a gas fryer with controlling features S3 is open which means it is a full vat Here s a look at how the switches are set to S3 This switch sets the computer for full or control a fryer dual frypots S1 Open for non controlling closed for Computer Magic II 5 discussed later in C TO Ing this chapter does not require strapping to 52 Open for electric fryer closed for gas change the above options fryer S3 Open for full vat closed for split vat 3 8 What is Sensitivity Sensitivity or stretch time is a programmable feature patented by Frymaster that increases or decreases the cook time based on the temperature drop in the cooking oil when the cold product is placed in the vat For instance a single 2 30 Minutes no stretch order of french fries will not lower the temperature of the oil as much as four The sensitivity feature adjusts cooking time for the cooling orders cooked simultaneously However effect the introduction of the cold product causes the fryer will produce the same results from both batches This is achieved by stretching the cook time to negate the cooling effect the large batch of fries has Extra 15 on the oil The cook time for a single 315 peru order may be stretched only slightly or not 2 30 Minu

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