Service Manual
Contents
1. 4 Gas Valve anna ine al IR 4 A note on excessive air velocities within hood systems 2 2 21 4 Chapter 3 TROUBLESHOOTING GUIDE 5 Birk His 5 A ls Da 6 Chapter 4 COMPONENT CHANGEOUT 2 22222 0 200 0000000000000000000004 7 PODES Eur Gala a aa 7 Hr LIMIS festive davis ee tera cae ee 7 tii 7 Components mounted in the front panel 2 2 8 Filter Relays 8 Control Relay 8 Pilt r Pumps nn ER N AATE 8 Eireuit Breaker 8 Gas Valves ana irc ada 9 Burners and Spark Ignitors 9 Proximity Switches als 9 NS O E 10 Pressure IS Witches sn ige an eek 10 Bry Tank 11 Chapter e NS 13 Operational Components concern nana cria conan 13 A TN 13 cia alada 13 Wiring Harnesses 14 Chaptero Parts Identification nacida tod 15 Chapter 7 Schematics ees 16 17 11 Chapter 1 HOW DOES IT WORK The McDonald s Gas fryer will have certain reac tions to what is happening knowing what these reac tions are and knowing what the machine is trying to do will enable us to diagnose most of the problems like2. Service Manual ADVANCED GAS FRYER with FILTER PITCO MODEL AG14S C MANUFACTURED Prico Frialator P O BOX 501 CONCORD NH 03302 0501 PHONE 1 603 225 6684 for the CE Market Only Pitco Frialator Literature L20 172 Rev 1 Rev Date 28 February 2001 Made in the United States of America FOR YOUR SAFETY Do not store gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance TO THE PURCHASER POST IN A PROMINENT LOCATION IN STRUCTIONS TO BE FOLLOWED IN THE EVENT THAT AN OPERATOR SMELLS GAS OBTAIN THIS INFORMATION FROM YOUR LOCAL GAS SUPPLIER WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH READ THE INSTALLATION OP ERATING AND MAINTENANCE MANUALS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS EQUIPMENT WARNING This appliance is equipped with a grounding plug This is for your protection against shock hazard in the event of equipment malfunction Always plug the unit into a properly grounded receptacle DO NOT cut or remove the grounding prong WARNING DO NOT use an open flame to check for gas leaks Keep all open flames away from the machine at all times WARNING Machines equipped with casters and a flexible power cord must be connected to a gas supply with a Quick Disconnect device This quick dis connect must comply with all local and national c
3. 10 24 HEX NUT 080601 10 FLAT WASHER PPI erensia I 12 3600 COMPUTER SINGLE TANK PP11372 1 12 3600 DUAL COMPUTER SPLIT TANK 11306 3300 DIGITAL CONTROLLER FULL TANK 11307 3300 DIGITAL CONTROL LER SPLIT TANK 362601 CONTROLLER MOUNTING BEZLE 11068 HEAT DEMAND RELAY 5046688 4 4 242 4 0 4449 44 MAIN GAS VALVE RELAY 5059102 TERMINAL STRIP COVER 5045282 0 0 0 WIRE TERMINAL STRIP 11058 FILTER PUMP RELAY 10429 4 4 4442020 4 4 4 TRANSFORMER 10210 44 449 TRANSFORMER DOMESTIC 11225 SPARK IGNITION MODULE DOMESTIC 1145 0 2 024 SPARK IGNITION MODUL 14 AG14 FRYER FRONT Y CA II NE Y A 7 14 CABINET PARTS LISTS LD PART PART DESCRIPTION 4101601 SINGLE BACK SPLASH B4101001 C DUAL FRYER BACK SPLASH 4101101 0 2424 4 2 TRIPLE FRYER BACK SPLASH B4101201 C QUAD FRYER BACK SPLASH BA101701 C QUINT FRYER BACK SPLASH USARA 10 32 X 1 2 SCREW EA AAA REAR CABINET ACC
4. SPLIT TANK EAS 3316501 FULL TANK 24 AG MG GAS amp BURNER SYSTEM Ex 7 J RSV 27 TA ANNY RI LN 14 FRYER ACCESSORIES PARTS LISTS PART PART DESCRIPTION 113312 FRYER COVER HANDLE 0082400 WASHER len 10693 SCREW 1103202 BASKET HANGER 1907504 CHANNEL STRIP INTERIOR OF A SPLIT A 1906804 CHANNEL STRIP SPLIT TO SPLIT TANK 1906804 CHANNEL STRIP SPLIT TO FULL FULL TO FULL TANK 6073148 TUBE RACK FULL TANK 4510401 TUBE RACK SPLIT TANK 2100904 COVER ASSEMBLY FULL TANK 2100903 COVER ASSEMBLY SPLIT TANK 26 AG14 CE FULL TANK SCHEMATIC 700281 REV F PARTS LIST REFERENCE DESIGNATOR PART NO DESCRIPTION PP11370 COMPUTER 3600 14 SINGLE CE PP11306 CONTROL TSTAT DIGITAL 3315 A2 A3 PP11145 IGNITION CONTROL MODULE 24 VAC 1 PP10470 SWITCH CIRCUIT BR
5. 1 4 NYLON BUSHING 0080650 1 4 FLAT WASHER 0093300 4 4 4 22 4 1 4 20 10177 4 420 04 VINYL PROTECTIVE COVER 0093300 1 4 20 0080650 4 22 1 4 FLAT WASHER 0020900 1 4 20 HEAD SCREW AAA 6640701 FILTER DRAWER HANDLE 6640601 FILTER DRAWER WELDMENT RTS RODAR 11152 ROLLER WHEEL KIT B6656801 C FILTER DRAWER EXTENSION RAIL RH 6656802 FILTER DRAWER EXTENSION RAIL LH 1 E 7008302 PAPER SUPPORT RACK 6661501 FILTER PAN 1 E E 007300 8 32 1 47 5 PP10900 FLAT WASHER 6641001 FRONT FILTER COVER W HANDLE 7001102 FRONT FILTER PAN COVER NO HANDLE AAA 607 1516 FILTER PAN COVER HANDLE 7013502 REAR FILTER PAN COVER CRUMB CATCH BASKET 20 FRYER FILTER DRAWER AGGAS004 REV 1 2 01 AG14 FRYER DRAIN VALVE HANDLE PARTS ASS
6. 1487 NI LON 4 dOOT VAMOS 7491419945 ASIMAAHLO SSAINN VORI IAIM TIV AINO 1437 ANZ NI NOLLAO YALTA 71 CE SPLIT TANK SCHEMATIC 700282 REV F PARTS LIST REFERENCE DESIGNATOR PART DESCRIPTION a PP11372 COMPUTER 3600 14 DUAL CE PP11307 CONTROL TSTAT DIGITAL 3315 A2 A3 PP11145 MODULE CB1 PP10470 SWITCH CIRCUIT BREAKER D1 D2 PP11050 DIODE 400V 1A SILICONE DS1 PP10736 LAMP 250 VAC GREEN E1 E2 PP11368 FLAME ROD E3 E4 PP11131 IGNITER 1 P5045717 FUSE 2A SLOW BLOW HRA PP10080 HEAT 240 VAC 165 W PP10588 HEAT TAPE 240 VAC 96 W 41 42 PP10209 CONNECTOR JACK 12 SKT MOLEX J3 J4 PP11158 CONNECTOR JACK 8 SKT INLINE J18 J20 J21 PP10203 CONNECTOR JACK 4 SKT MOLEX J9 J19 PP10089 CONNECTOR JACK 3 SKT MOLEX J5 J6 J7 J8 J10 J11 J12 J13 J14 P5045839 CONNECTOR JACK 2 SKT MOLEX 15 16 17 26 K1 K2 PP11068 RELAY HEAT DEMAND 24 VDC DPST K5 K7 P5046686 RELAY 24 VAC DPOT K3 K6 PP11058 RELAY 24 VAC SPST 30A M1 PP11129 BLOWER 230V 50 HZ M2 PP10101 PUMP 230V M3 PP10171 PUMP 240V P1 P2 PP10518 CONNECTOR PLUG 15 PIN MOLEX P23 P24 PP10208 CONNECTOR PLUG 12 PIN MOLEX P18 P20 P21 PP10202 CONNECTOR PLUG 4 PIN MOLEX P9 P19 PP10090 CONNECTOR PLUG 3 PIN MOLEX P5 P6 P7 P8 P10 P11 P12 P13 P14 P15 P16 P17 P50458
7. HI LIMIT SWITCH ali 8027301 GNITOR MOUNTING BRACKET li 8022301 BURNER DOMESTIC 8027001 BURNER LP 11131 csssssssssssssssssssssssssssssesssseseees IGNITOR DOMESTIC 1119 IGNITOR CE 1119 3 FLAME SENSOR CALL SERVICE AGENT FOR BURNER ORIFICE ad 8022001 GAS VALVE ASSY FULL TANK NAT 8022101 GAS VALVE ASSY LH SPLIT TANK 8022103 GAS VALVE ASSY RH SPLIT TANK 8022002 GAS VALVE ASSY FULL TANK PROP 8022102 GAS VALVE ASSY LH SPLIT TANK PROP 8022104 GAS VALVE ASSY SPLIT TANK PROP RO 3316801 TEMPERATURE PROBE ASSY nc 3314801 SPLIT TANK BURNER BOX ASSY LH 3314802 SPLIT TANK BOX ASSY RH 3321201 SPLIT TANK BURNER BOX INSUL KIT PO RE 8021602 COMBUSTION TUBE FULL SPLIT TANK ei 3316601
8. 1 10101 2 22 42 77 0 04 8 808 PUMP 4 MOTOR ASSEMBLY 115 230 10416 4 420 4 008 MOTOR ONLY 115 230VAC Pump motor only PPLOUT PUMP AND MOTOR ASSEMBLY 10417 jd a i PZ PTA FLEX TUBING WITH FITTINGS 20 EEA 0020600 1 4 20 X 5 8 BOLT l E E 0080650 1 4 FLAT WASHER 45 6652601 FILTER RETURN RECEPTICLE ASSY 10039 HEAT 165 WATT 110 79 10080 HEAT 165 WATT 240VAC 79 PP10194 HEAT TAPE 96 WATT 110VAC 48 PP10598 HEAT 96 WATT 240VAC 48 18 AG14 FRYER FILTER lt 2 7 554 AGGAS003 REV 1 2 01 AG14 FRYER FILTER DRAWER PARTS LISTS LD PART PART DESCRIPTION Lienen liess 6640901 PAPER RETAINING RACK 6647701 OIL DRAIN CATCH TOWER 10409 FILTER COUPLING RING A FILTER PICK UP ASSEMBLY EEIE NOAA 0020900 1 4 20 HEAD SCREW 6071020 0
9. 41839303 2 2 ee TRIPLE CABINET BOTTOM Filter sensenensensecees 1839401 ovcoioioncacinoninacocoroncaconianss TRIPLE CABINET BOTTOM RIGHT H ATSISISOL 16 FRYER CABINET AG14 FILTER PARTS LISTS LD PART PART DESCRIPTION 4003203 5 OIL RETURN HANDLE FULL amp RH SPLIT 4003204 oncococicononnononononnononononoss OIL RETURN HANDLE LH SPLIT 0079500 4 22 10 24 1 2 SCREW 47004401 DRAIN LINE CLEAN OUT COVER NOTO 11182 CLEAN OUT COVER 5 RE 10568 44 204 0 10 24 WING 6643101 FILTER DRAIN LINE END ET PP11181 DRAIN LINE END GASKET TOTO 10696 10 24 1 2 SCREW 11241 FLEX TUBING WITH FITTINGS 18 6638601 PUMP amp MOTOR ASSEMBLY 115 Including tubing amp heat tape 6638602 PUMP amp MOTOR ASSEMBLY 240VAC Including tubing amp heat tape 6638603 PUMP amp MOTOR ASSEMBLY 220VAC Pump amp motor
10. To prevent tipping of the machine and splashing of HOT oil your Pitco Frialator fryer is equipped with a Gas Hose Quick Disconnect and restraining de vice This attaches the rear of the machine to the wall When the fryer is in its operating location lock the casters and reattach the restraining device to the rear of the machine WARNING Shortening when it is at cooking temperatures is very HOT and DANGEROUS Use extreme cau tion when handling Use the proper protective gear such as insulated gloves aprons face shield and sleeves when handling hot shortening DO NOT attempt to move any machine that has hot oil in it Allow the oil to cool to room temperature or drain the oil into a suitable container before moving the fryer Table of Contents Table of Contents 1 Chapter 1 HOW DOES WORK sitiada eich 1 Heating System Full Tank 1 Heating System Split Tank 1 INS 2 Ellter iia pida 2 Chapter 2 COMPONENT TROUBLESHOOTING 3 Probe Seat LE ater Sal Pk ac al ts 3 Rel Sica nennen arena 3 O ah lie 3 Drain Valve amp Return Valve Switches 3 3 Blower 4 Pressure S Witch u lan ats air
11. picture using two self drilling screws Chapter 3 TROUBLESHOOTING GUIDE Fryers It is assumed that before starting any troubleshooting the power is turned on and the gas lines are connected correctly PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Locate the correct circuit breaker and turn OFF and back ON again Check and Replace as needed Check Transformer Main circuit breaker is turned off Fryer fuse is blown Transformer Computer does not come on nothing shows in either display Allow the oil to cool the Hi Limit will reset when the temperature falls Turn the computer OFF and back ON again Computer heat light comes on but burners do not heat Tf the oil is hot the Hi Limit may be tripped Heat Light ON burners not lit No Spark heard blower IS running Spark sound can be heard Blower NOT running Spark sound can be heard Blower IS running but main burners do not run Burner comes ON for short time does not come back on A B G H os gt munw gt nw gt aw gt Heat Demand Relay F2 Fuse may be blown Blower Pressure Switch Gas Valve Ignition Module One or both Gas Valve Relay Full Tank Only Tripped or defective Hi Limit Heat Demand Relay Ignition Control Module Spark Ignitor F2 fuse blown Blower Heat Demand Relay Ignition Control Module Gas Valve Relay Full Tank Only Bad Pressure Switch Tripped or defective Hi limit Gas Valve Flame S
12. 29 CONNECTOR PLUG 2 PIN MOLEX P25 P26 RT1 RT2 PP11065 PROBE THERMISTOR 51 11137 SWITCH PRESSURE 52 53 11064 SWITCH HI LIMIT 4 PP10739 THERMOSTAT HEAT TAPE 55 56 57 58 10262 SWITCH PROXIMITY SENSOR 511 512 5047151 SWITCH SPST 1 0 59 510 11284 SWITCH DPST 3 4 SYM 1 10429 TRANSFORMER 80VA 240V 24V TB1 PP11176 TERMINAL BLOCK 6 POSITION SEMS v1v2 PP11142 VALVE GAS 24VAC NAT 10958 VALVE GAS 24VAC LP VR1 VR2 VR3 VR4 PP11353 VARISTOR SNUBBER MOV 56V 2000A 30 31 Should you have any questions about or problems with your equipment please contact the Dealer or Parts and Service representative covering you area Pitco Frialator may be contacted directly at Country Code 603 225 6684 Country Code 603 225 8497 Fax
13. 6V 2000A 28 11182006 HHO Hd OVA 2 SALON 339 IVAH NYALTA 20 2 ADOTWALNI OVA TOULNOD SIEE AD INVIA 548 HL gt HATVA SVD Ave LITT dow HAVIA 38 IVAH FEA HOLIMS ALIWIXOUd aM NOILdO HSOTA 4007 HOLIMS ALINIXOAd OLNI 9074 LATT NUNLAY IVA FT IVAH pz NANLIY YIMOd ANTIA LAND OVA AALNIWOI 009 SALON 385 XINO WALNAWOD 6s TANVd ASNA HOLIMS HOLMS ALIAIXO Ud 1 338 a NOILdO WALA ILON 938 UJANA WOUd 4001 t TALON 395 ATAA IXAN OL 4007 saronaas TVLIDIO TANVd ISMA HILIMS IVLSOWYIHL AAVL IVIH WOOT K 9 VOIA va ATINAON STINAOW A4VL IVAH TVNOLLIGAV OL VObI YA dao XINO tf OL LIINNOI IM 80118 188 JO NOLIVINATHO SLON 9 NMOHS AV Id HOLIMS SIVNYALTV ANY TOYLNOS TVLIOIA OLIVIAHHOS NI NMOHS TINVd ISNA INV TOALNOI VALNIWOD NI CHAN TONI LON LXAN OL dOOT WAMOd AY
14. EAKER DPST 4A D1 PP11050 DIODE 400V 1A SILICONE 0 1 PP10736 LAMP 250VAC GREEN E1 E2 PP11368 FLAME ROD E3 E4 PP11131 IGNITER 1 P5045717 FUSE 2A SLOW BLOW PP10588 96 WATT 240V 1 2 X 48 HR1 PP10080 HEATER TAPE 165 WATT 240V 1 2 X 79 J1 PP10209 CONNECTOR JACK 12 SKT MOLEX J2 J6 PP11158 CONNECTOR JACK 8 SKT INLINE J4 J18 J19 PP10203 CONNECTOR JACK 4 SKT MOLEX J5 J10 PP10089 CONNECTOR JACK 3 SKT MOLEX J3 J7 J8 J9 1 P5045839 JACK 2 SKT MOLEX K1 PP11036 RELAY 24VDC DPST 30A KA P5046688 RELAY 24VAC SPDT K3 PP11058 RELAY 24VAC SPST 30 5 P5046686 RELAY 24VAC DPDT M1 PP11129 BLOWER 230V 50HZ M2 PP10101 PUMP 230V M3 PP10171 PUMP 240V P1 PP10208 CONNECTOR PLUG 12 PIN MOLEX P4 P18 P19 PP10202 CONNECTOR PLUG 4 PIN MOLEX P5 P10 PP10090 CONNECTOR PLUG 3 PIN MOLEX P3 P6 P7 P8 P9 55945829 CONNECTOR PLUG 2 PIN MOLEX P12 P13 P14 2 10090 CONNECTOR PLUG 15 PIN MOLEX RT1 PP11065 PROBE THERMISTOR 1 PP11137 SWITCH PRESSURE 2 PP11064 SWITCH HI LIMIT 5 56 510 PP10262 SWITCH PROXIMITY SENSOR 511 P5047151 SWITCH SPST 1 0 4 PP10739 THERMOSTAT HEAT TAPE 59 PP11284 SWITCH BRKR 0 3 4 SYMBOL T1 PP10429 TRANSFORMER 80VA 240V TO 24V TB1 PP11176 TERMINAL BLOCK 6 POSITION SEMS PP11142 VALVE GAS 24VAC 10958 VALVE GAS 24VAC LP VRI VR2 PP11353 VARISTOR SNUBBER MOV 5
15. EMBLY LD PART PART DESCRIPTION 1 diia 11302 VINYL DRAIN VALVE HANDLE COVER 103263 DRAIN PROXIMITY SWITCH ACTUATOR iniciarte 4002902 DRAIN VALVE HANDLE FULL RH SPLIT 4002901 DRAIN VALVE HANDLE LH SPLIT OTTO PP10266 4 40 X 1 4 SCREW 10647 1 2 13 11059 04 4924 44015801 DRAIN HANDLE RELEASE LEVER 11303 RELEASE LEVER VINYL COVER 4003001 FULL TANK HANDLE ASSEMBLY Complete drain valve handle assy 4003003 LH SPLIT TANK HANDLE ASSEMBLY 4003005 SPLIT TANK HANDLE ASSEMBLY 22 AG14 FRYER DRAIN VALVE HANDLE PARTS DRAWING ey AGGAS003 1 REV 1 2 01 AG14 GAS amp BURNER SYSTEM PARTS LISTS PART PART DESCRIPTION iaa 3317701 FULL TANK BURNER BOX ASSY 3321101 40 FULL TANK BURNER BOX INSUL KIT 11064
16. ESS PLATE STEEL 1623902 cccccccestonsaisecccecconscedssacssss REAR CABINET ACCESS P LATE SS 1623501 1623502 SINGLE FRYER CABINET BACK 15 galvinized 219 stainless A1623601 A1623502 DUAL FRYER CABINET BACK 1623701 1623702 TRIPLE CABINET BACK A1623801 A 1623802 TRIPLE FRYER CABINET BACK TOP USE DUAL QUAD FRYER CABINET BACK USE DUAL amp TRIPLE QUINT FRYER CABINET BACK 0020600 1 4 X 5 8 BOLT A 10815 9 LOCKING CASTER PP10814 9 NON LOCKING CASTER A A 0093300 vnccacococioniinornconniorionasiaios 1 4 X 20 NUT B 3622401 SINGLE FRONT PANEL DECK 3627001 gt 20 00 DUAL FRONT PANEL DECK B3627201 C cacisdscisssessccnsenseissioesese TRIPLE FRONT PANEL TOP DECK 627401 QUAD FRONT PANEL DECK 3628201 0 QUINT FRONT PANEL DECK TA 0080650 2 2 1 4 FLAT WASHER P0093300 1 4 20 NUT 1838 101 SINGLE CABINET BOTTOM PLATE ATSIADOL CABINET BOTTOM PLATE LEFT HAND Non filter ee 21839301 DUAL CABINET BOTTOM PLATE Non filter
17. ack of this Feedback sig nal that causes the Computer to display Ignition Failure Each Ignition Control Module will spark for 10 seconds and then check for a flame sense signal from the Flame Rod If the Ignition Control Mod ule does not see a flame sense signal it will Lock Out Heating System Split Tank Power to the machine is turned ON The computer is supplied with 24 VAC and if the Drain Valve Handle is closed the Proximity Switch will supply 24 VAC to the DVI Drain Valve Interlock Input at the computer The Igni tion Control Modules are also supplied with 24 VAC at the 24 V terminal Computer calls for heat and supplies 24 VDC to the Heat Demand Relay which will energize sup plying the Blower Relay and the Pressure Switch with power When the Blower Relay energizes the Blower will be supplied with power and will increase in speed until the pressure switch closes Before the pressure Switch closes it will supply power to the Check Blower Relay which will remain energized When the Pressure Switch comes up to speed it will supply power to the second set of switch points on the Check Blower Relay Because the Check Blower Relay is energized the Blower OK Relay coil will be supplied with power causing it to energize When the Blower OK Relay ener gizes one set of its Switch points supplies volt age to the Left Hand Ignition Control Module at the TH terminal and the other set of switch points supplies the r
18. ak the seal at the motor flange 4 The motor can now be lowered out of the ma chine NOTE The new blower will be shipped with the blower housing attached Remove the motor from the blower housing in the above manner Clean the seal ant from the new motor and the old housing still at tached to the machine Apply a small amount of high temperature silicone sealant to the motor mounting flange Install the motor in the reverse order of removal Pressure Switches 1 Unscrew the plastic fitting from the air connec tion on the pressure switch 2 Unplug the 2 wires from the switch 10 Fry Tanks Full Tanks 1 Remove ALL of the computer controllers from the machine Remove the burners and ignitors from the tank to be removed Disconnect the drain valve switch wires Disconnect the return valve switch wires Disconnect the blower wires Remove the drain line from the left and right ends of the drain valve tee 10 Remove all of the screws holding the front of the tank gt 7 Remove the 3 screws from the front of each unit _ 11 Remove the brackets located inside the splash back 8 Remove all of the nuts and washers holding the splash deck in place 9 Remove the front deck from the machine 12 Remove the upper rear cover 11 13 14 15 16 17 Remove the complete splash back assembly Remove the lower rear back cover Unscre
19. ch is bad replace it Drain valve is closed and the Green Drain Valve is NOT fully Apply a little more pressure to the computer has been reset but Closed Green Handle to check that it is still shows DRAINING or Sensor switch may be loose or bad fully closed TURN OFF Check that the switch is tight in its mounting If switch is bad replace it Drain Valve is OPEN the oil Green Drain Valve is NOT fully open Apply a little more pressure to the 1s draining slowly or not at all Drain is plugged with debris Green Handle to check that it is fully closed Use the Clean Out Rod from inside the Fry Tank to clear the Drain Valve If this NOT clear the blockage CLOSE the Green Drain Valve and follow these instructions for clearing the main drain line CAUTION Some HOT oil may still come out when the cap is removed Remove the two screw from the end cap Do NOT lose these Use the Clean Out Rod to clear the main drain tube Install the end cap along with its gasket and two screws Do not overtighten these screws Chapter 4 COMPONENT CHANGEOUT Computers It is assumed that for all except ehere noted of these component changeout instructions the fryer has been CAUTION shut down and disconnected from the power and gas care not to drop any of the components from supplies cooled and drained of oil the front panel as this will damage them Probes 1 Remove the two screws from the upper mount of
20. ensor Ignition Control Module Gas Valve AMP Press the reset switch Check Heat Demand Relay Check and replace as needed Check and replace as needed Check and replace as needed Check and replace as needed Check and replace as needed Check and replace as needed Allow the oil to cool the Hi Limit will reset when the temperature falls Turn the computer OFF and back ON again to reset the computer Press the reset switch Check and replace is needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Check and replace where needed Filters PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Red Return Valve is open but no Red Return Valve NOT fully open Pull slightly on the Red handle to check pump sound can be heard Filter Circuit Breaker may be tripped that it is fully open Filter Motor Thermal Overload may Locate the circuit breaker and reset be tripped Push Red reset button located on end Sensor switch may be loose or bad of filter motor Check that the switch is tight in its mounting If swit
21. er temperature Relays The Heat Demand relays are 24VDC relays and will energize when the correct voltage is supplied to the coil When energizing the relay Switching Contacts will close thus connecting the Common and Nor mally Open terminals The Hi Limit relay is a 24VAC relay and may be checked in the same man ner as the above relay Hi Limits A Hi Limit switch is a normally closed switch until the temperature at the probe reaches 435 F 15 225 C 15 In order to test this switch it will be necessary to bypass the Heat Demand Relay Follow the Hi Limit testing procedure outlined in the Oper ating Manual WARNING Do NOT leave the machine during this test This test will cause the oil to heat past the normal oper ating temperature and can cause damage to the ma chine and its operator If the switch does not trip between the prescribed limits it is defective and should be replaced Once tripped the switch will not reset until the oil has cooled to approximately 400 F 204 C If the switch does not reset it is defective Drain Valve amp Return Valve Switches This switch is a magnetically operated Reed switch When the Drain Valve handle is moved to the open position the Actuator will move away from the switch causing the Reed switch to open When the Drain Valve is closed the Reed switch will close This switch can also be checked with an Ohm meter The normal gap between the Actuator and t
22. he Sensor switch on the Drain Valve handle is 3 6 mm Transformer Transformers are multiple input voltage 24 volt out put voltage and can be checked by reading the input and output voltages Blower Check the voltage between the wires going to the Blower If voltage is found and the Blower is NOT turning it is defective Pressure Switch As the blower speed rises the amount of vacuum on the suction side of the pressure switch rises past ap proximately 1 3 WC 0 325 kPa the Presssure Switch will close When the vacuum falls below ap proximately 0 8 WC 0 2 kPa the Pressure Switch will open With the Blower running check the IN and OUT voltage of the Switch If 24VAC can be found on one side but NOT the other the Pressure Switch is defective Gas Valve The Knob should be in the ON position Check for 24VAC between the terminals marked MV and MV PV and between PV and MV PV If voltage IS found between both of these connections and the Gas Valve does not open the Gas Valve is defective If voltage is NOT present at both of the coils on the Gas Valve troubleshoot and repair the machine until voltage IS present at both coils retest the Gas Valve as previ ously described A note on Excessive Air Velocities within Hood systems Extended recovery times and flame outage problems may occur if Hood Air Velocities are excessively high The baffle should be installed in the position shown in the
23. ight hand Ignition Control Module with power at the TH terminal The same power that is supplied to the TH terminals of the Igni tion Control Modules is also supplied to the Hi Limit switches which if closed will supply power to the Pilot Solenoid of the Gas Valve When an Ignition Control Module is supplied with power at the TH terminal it will supply power to the Ignitor the Main Solenoid of the Gas Valve and the Heat Feedback Input of the Computer It is the lack of this Feedback signal that causes the Computer to display Ignition Failure The Ignition Control Module will continue to spark for 10 seconds and then look for a flame sense signal from the Flame Rod If the Ignition Control Module does not see sense sig nal it will Lock Out Hi Limit System When the Hi Limit trips it causes the power to the Pilot Solenoid to stop and gas will cease to flow through the gas valve This will cause a Lock Out condition The Hi Limit is an automatic reset type switch In order to make the computer recognize that the Hi Limit has reset it must be turned OFF The reset switch must be pressed and released in order to reset the Ignition Control Modules and the com puter turned back ON again for further use of the fryer Filter System Opening the RED Return Valve Handle will cause the Pump On Relay to be energized and the pump will begin to pump Closing the Return Valve Handle will de energize the Relay and the Pum
24. ly to be encountered Heating System Full Tank Power to the machine is turned ON The computer is supplied with 24 VAC and 1f the Drain Valve Handle is closed the Proximity Switch will supply 24 VAC to the DVI Drain Valve Interlock Input at the computer The Igni tion Control Modules are also supplied with 24 VAC at the 24V terminal The computer is turned ON Computer calls for heat and supplies 24 VDC to the Heat Demand Relay which will energize sup plying the Blower the Pilot Solenoid on the Gas Valve and the Pressure Switch with Power The Pressure Switch will energize the Check Blower Relay which will stay energized When the Blower reaches its normal speed it will cause the pressure switch to close supplying 24 VAC to the second set of switch points on the Check Blower Relay Because the Check Blower Relay is still energized the power will be sup plied to the TH terminal of each Ignition Control Module Both Ignition Control Modules supply power to the Spark Ignitors At the same time one of the Ignition Control Modules supplies power to the Main Valve Relay coil The other Ignition Con trol Module supplies power to the switch points of the Main Valve Relay The Main Valve Relay energizes allowing the sec ond Ignition Control Module to supply power to the Main Solenoid of the Gas Valve At this point the main burners will ignite This will also supply the computer with a heat feed back signal It 1 the l
25. odes To limit the movement of the unit without depending on the connector or quick disconnect a restraining device must also be installed WARNING DO NOT supply the fryer with a gas that is not iden tified on the data plate located on the inside of one of the doors of the machine If you need to convert the machine to another type of fuel contact your dealer or Authorized Service Agency WARNING There is an open flame inside the machine The unit may get hot enough to set nearby materials on fire Keep the area around the unit free from com bustibles WARNING Ensure that the machine can get enough to keep the flame burning correctly If the flame is starved of air it can give off a dangerous carbon monoxide gas Carbon Monoxide is a clear odorless gas that can cause suffocation WARNING Carbon Monoxide gas can build up if you obstruct the flue Blocking the flue will also cause the unit to overheat DO NOT obstruct the flow of com bustion ventilation or air opening around the ma chine Ensure that you meet the minimum clear ances specified in the installation instructions Adequate clearance around the unit is necessary for servicing and proper burner operation WARNING If the machine should shut down unexpectedly wait 5 minutes before attempting to restart it This will allow for any excess gas in the unit to dissipate WARNING The power supply must be disconnected before servicing or cleaning the unit WARNING
26. oved from the machine Install in the reverse order Circuit Breaker Remove the 2 mounting screws on either side of the door magnet catch Re move the door magnet catch Remove the 2 mounting screws from the top and bottom of the cover Depress the 4 catches that hold the circuit breaker in the cover 1 Unscrew the fitting for the gas supply tubing on the bottom of the burner 2 Unplug the wire to the spark ignitor 3 Remove the 2 screws that hold the spark ignitor Install of the reverse order and burner in place Gas Valves 1 Unscrew the fittings to the gas outlet tubes at the top of the gas valve The burner and spark ignitor may be removed to gether Install in the reverse order 2 Unscrew the pipe union located behind the gas valve Proximity Switches 3 Unplug the 3 wires that plug into the gas valve 1 The actuator can be removed by removing the 2 1 rse order Install in the reverse orde mounting screws Burners and Spark Ignitors 2 The sensor may be removed by disconnecting the NOTE If the ignitor is to be removed without the wiring harness and by removing the 2 mounting burner start the proceedure at step 2 SEN Install in the reverse order Blowers 1 Unplug the wiring connector 2 Remove the 3 screws from the mounting flange 3 Remove the 2 screws from the mounting bracket Install in the reverse order 3 Using a flat screwdriver bre
27. p will stop pumping Chapter 2 COMPONENT TROUBLESHOOTING Probe The resistance of the probe will change as the tem perature changes The resistance will decrease as the temperature rises The lower the temperature the greater the resistance change will be per degree of temperature change as the temperature approaches the working range of the probe the resistance change will become more linear If the probe is suspect check its resistance and the oil air temperature at which it was taken Compare these values on the chart below TEMP RESISTANCE TEMP RESISTANCE F Ohms F Ohms 60 139055 330 11920 80 84644 335 11230 100 53146 340 10580 120 34328 345 9980 140 22755 350 9420 160 15446 355 8900 180 10716 Q 360 8410 200 75860 365 7950 210 64270 370 7520 220 54700 375 7120 240 40130 380 6750 260 29910 385 6400 280 22620 390 6070 300 17340 395 5760 320 13470 400 5470 325 12670 If the probe returns an open circuit 0 Ohms read ing it should be replaced If the resistance varies more than 20 Ohms from the above chart when being checked between 325 375 F 162 C 190 C the probe will give a false temperature reading on the computer and should be replaced However it will continue to operate at a slightly higher or lower tem perature Allow the oil to cool and check the probe resistance at a lower temperature As can be seen from the chart a greater degree of offset can be al lowed at a low
28. the front panel 1 Unplug the wiring connector 2 Unscrew the small nut on the probe seal 2 Unplug the wiring connector at the rear of the 3 Slide the probe from the seal computer NOTE On split tank machinesyou will find 2 wir ing connectors to unplug Install in the reverse order using the new ferrule sup plied with the new probe Hi Limits 1 Unplug the wiring connector 2 Unscrew the Hi Limit from the front of the fry Install in the reveres order Install in the reveres order Components mounted in the front panel To access all of the components mounted in the front panel follow the instructions below 1 Remove the computer as described in the above instructions The components within the front panel area can now be accessed Filter Relays These relays are always wired in the following man ner 0 INPUT 2 1 4 tabs 8 6 Control Relays Control relays are always wired in the following man ner Coil Terminals Common NO Normally Open NC Normally Closed Filter Pumps 1 2 From the front of the machine loosen and remove the fittings at the end of each of the flex lines Remove the 2 bolts and the front of the Pump Motor assembly will drop The assembly can be removed from the machine by lifting the rear slightly and pushing back The front of the mount can be lowered until the assembly can be rem
29. w the compression fitting at the rear of the tank Remove the air tube from the air box the blower is mounted to this box Grasp the tank by the middle tube and remove it from the rear of the cabinet 12 Split tanks Split tanks should be removed and installed as pairs in the same manner as Full Tanks There are 3 sets of clamps that hold the two Split Tanks together 1 On the rear of the tank On the bottom of the tank accessed by first remov ing the blower 3 On the bottom of the tank at the front NOTE To disconnect the filter return piping as in step 15 unscrew the union connecting the return piping to the tanks Install in the reverse order PARTS SECTION ENGLISH 14 FRYER FRONT PARTS LISTS PART PART DESCRIPTION 10752 10 32 1 2 SCREW 41830901 4 4 4 24 4 4 MAGNET STRIKER PLATE 1835001 MAGNET STRIKER PLATE COVER 1837501 SWITCH MOUNTING PLATE 3802901 TOP RIGHT amp LEFT DOOR HINGE 3801301 4 444242 410 DOOR HINGE PIN 3802903 BOTTOM RIGHT amp LEFT DOOR HINGE 2302301 LEFT DOOR ASSEMBLY 2302302 RIGHT DOOR ASSEMBLY 3626801 FRONT PANEL BEZLE ASSEMBLY 0092300
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