SERVICE MANUAL
Contents
1. to NO on ignition control Check for air pressure switch adjustment air tube blockage or misalignment If these adjustments fail replace air pressure switch Spark generator A pre purge time of 30 to 60 seconds occurs after burner blower motor starts Check for supply voltage at spark generator If voltage is not present check reset button for ignition control If voltage is still not present replace ignition control If there is input voltage to the spark generator but there is no high voltage output replace the spark generator Igniter sensor assembly Check this assembly for visible damage Replace as needed If there is no visible damage check for voltage supply to igniter sensor assembly If there is voltage supplied to the igniter sensor but there is no spark replace igniter sensor assembly Gas valve Gas valve should open when proper supply voltage is present If there is no voltage present check reset button on ignition control and all connections for tightness If there is still no voltage to gas valve replace the ignition control If there is voltage to the gas valve check for gas pressure at the gas pressure tap located in the gas piping just prior to the burner If there is no gas pressure replace the gas valve Flame will not stay on Flame sensor To check for flame sensor operation connect a digital multimeter capable of measuring DC microamps between the flame senso2. Remove mounting screws from control and remove burner control Reassemble in reverse order and check system operation moom 17 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 GAS VALVE REPLACEMENT RAETITIONMOUOOW gt Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove the manual gas shut off valve Remove screws from the bulkhead plate on inlet gas pipe and remove inlet gas pipe Remove pilot tube and wiring from gas valve Mark all wiring for reassembly Disconnect pipe union in gas line and remove gas valve and piping assembly Remove piping from gas valve Reassemble in reverse order and check system operation Check all gas line fitting for leaks Adjust the gas manifold pressure on the gas valve Refer to the specification plate on the oven for proper rating TOP VIEW SIDE VIEW OUTPUT PRESSURE see CONTROLLER USTMENT ADJUSTMENT A ELECTRICAL CONNECTOR FILTER FILTER COVER gt 4 COVER PLATE PLATE TEMPERATURE REGULATION VALVE REPLACEMENT ommoom Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove bypass tube from burner manifold Remove wiring from valve and mark for reassembly Remove four mounting nuts from burner manifold and disconnect pipe union Remove tempe
3. HZ REFER TO PROPER SCHEMATIC FOR IDENTIFIED COMPONENTS SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Motor main fan Check for opens shorts or grounds With power off turn fan blade to check for locked rotor Capacitor Check for shorts or grounds WARNING Capacitor has a stored charge discharge before testing No control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly receptacle Measure incoming power call power co if needed Switch main fan With power off check continuity between switch terminals Replace as needed Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked
4. box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Conveyor motor Check for supply voltage to the conveyor motor at 07 2001 13 INTERNATIONAL IMPINGER ADVANTAGE terminal 6 to neutral If no voltage is present trace wiring back to the oven fan switch If voltage is present but the motor will not run check the motor windings for opens or shorts If any of the above fail replace the conveyor motor Capacitor conveyor motor Check for shorts or grounds Replace capacitor as needed WARNING Capacitor has a stored charge discharge before testing Switch conveyor reversing Check continuity between switch terminals Replace switch as needed Oven control If there is voltage supplied to the motor and the motor capacitor and reversing switch check good replace the oven control Conveyor motor runs but there is no speed display NOTE Display will indicate BELT JAM Oven control Check for output voltage from oven control to hall effect sensor
5. motor NOTE The conveyor system uses a hall effect sensor and magnet to prove operation of the conveyor motor If the conveyor motor is not running BELT JAM is indicated on the display 2 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 SEQUENCE OF OPERATIONS IMPINGER ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS MODEL 1164 000 EA 400 230VAC 50HZ 3 PHASE POWER SUPPLY Electrical power to be supplied to the oven by a four conductor service Brown conductor is hot Black conductor is hot Black conductor is hot Green conductor is ground MAIN FAN CIRCUIT Power is permanently supplied through the 10 amp oven fuse through the normally closed control box hi limit thermostat opens at 140 F 60 C to the normally open oven fan switch Power is also supplied to the normally open cooling fan thermostat Closing the oven fan switch supplies line voltage to the main fan motor the cooling fan the primary of the control transformer and to the oven control HEAT CIRCUIT Closing the oven fan switch supplies line voltage through the normally open air pressure switch closed by air pressure from the main fan to the oven control Line voltage is also supplied to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control The oven control is set to desired temperature The thermocouple will provide varying millivolts to the oven contr
6. pressure switch Reassemble in reverse order and check system operation Be sure to calibrate new air pressure switch For proper calibration see below Turn adjusting screw on air pressure switch fully counter clockwise Turn oven on Turn adjusting screw on air pressure switch clockwise until heat shuts off Turn adjusting screw on air pressure switch counter clockwise turn Reassemble control panel top and front cover ALTIO BEARING CONVEYOR REPLACEMENT Remove conveyor from oven and place on a flat work surface Remove connecting links from conveyor belt See Installation Operations manual for proper procedure Remove conveyor belt from conveyor Move drive shaft or idler shaft toward end of conveyor and shaft with bearing will now slip out of conveyor frame Remove bearing from conveyor shaft Reassemble in reverse order and check system operation mo MERCURY CONTACTOR REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Disconnect all wires and mark for reassembly Remove screws from mounting bracket and remove contactor Reassemble in reverse order and check system operation moom HEATING ELEMENT REPLACEMENT Shut off power at main breaker Remove back cover Disconnect heating element wires and mark for reassembly Disconnect motor wiring and mark for reassembly Remove oven back from oven Remove fan shroud Heating element ma
7. rotor No automatic control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Cooling fan thermostat Check the cooling fan thermostat thermostat closes at 120 F and opens 100 F With the cooling fan thermostat pre heated check for continuity If thermostat is open replace cooling fan thermostat Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor Oven will not heat Gas supply Check for adequate gas supply and be sure that the manual gas shut off valve is open Also check flexible gas line connection Main fan If not operating refer to Oven fan will not run Gas pressure switch This switch is located inside the gas valve and should close when gas pressure is present WITH POWER OFF Remove 3 prong plug on gas valve and measure continuity between terminals 2 and 3 If no continuity check the following Proper gas pressure supply to gas valve as marked on the oven specification plate Check for proper adjustment of the gas pressure switch 10 for Nat gas 27 for LP gas or 07 2001 INTERNATIONAL IMPINGER ADVANTAGE 4 5 for town gas Check the filter in gas valve for blockage or damage If above checks are okay but pres
8. sensor is located in the conveyor motor Measure voltage at the motor connector red wire and yellow wire Voltage should be approx 10VDC If no voltage is present trace wiring back to oven control If there is no voltage output at the oven control replace oven control Conveyor motor If there is voltage supplied to the hall effect sensor check for a frequency output from the hall effect sensor Measure frequency across the yellow and white wires in the motor connector Frequency reading should be approx 25 100 Hz If these readings are not achieved replace conveyor motor If the readings are achieved proceed Oven control If the hall effect sensor readings are correct but there is no speed indicated on the display replace the oven control 07 2001 14 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 REMOVAL INSTALLATION AND ADJUSTMENTS IMPINGER II ADVANTAGE SERIES CAUTION BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY MAIN FAN REPLACEMENT Shut off power at main breaker Remove motor cover from back of oven Disconnect wiring and mark for reassembly Remove bolts and slide back straight out of the oven Loosen the bolt from fan hub and remove fan from motor shaft NOTE Measure distance from fan blade to rear wall assembly before removal to aid in reassembly Reassemble in reverse order and check system opera
9. 5 Blower air switch M 369689 Plug pressure test N 369901 Manifold burner O 369566 Main orifice Nat 369524 Main orifice LP P 369654 Venturi Nat gas 369939 Venturi LP gas Q 369590 Ignitor sensor assembly R 370186 Solenoid valve S 370031 Bypass orifice Nat 369557 Bypass orifice LP T 369589 Burner blower motor U 369401 Air shutter assembly V 369580 Gas valve Nat LP W 357067 Thermostat hi limit oven cavity X 369192 Capacitor Y 369771 Reset switch ignition control Z 370359 Reversing switch conveyor AA 353082 Ground lug BB 370178 Junction box 370176 Filter DD 369376 Terminal block 3 pole EE 369698 Cover FF 370383 Capacitor conveyor motor GG 369507 Thermostat cooling fan HH 369431 Thermostat control box hi limit II 369014 Fuse 10A JJ 357107 Fuse holder KK 370241 Transformer control LL 369573 Ignition control MM 369331 Finger guard 07 2001 24 INTERNATIONAL IMPINGER ADVANTAGE NVL30 INTERNATIONAL IMPINGER ADVANTAGE 25 07 2001 IMPINGER ADVANTAGE CONTROL BOX 1164 000 EA A 370108 Control box top B 370355 Control oven 369432 On off switch D 370354 Facia Label E 370107 Side panel F 369025 Blower air switch G 370241 Transformer control H 369431 Thermostat control box hi limit 369507 Thermostat cooling fan J 370383 Capacitor conveyor motor K 369192 Capacitor L 369368 Thermostat hi limit ove
10. FIED COMPONENTS SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb ion its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Motor main fan Check for opens shorts or grounds With power off turn fan blade to check for locked rotor Capacitor Check for shorts or grounds WARNING Capacitor has a stored charge discharge before testing No control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in re
11. NT moom Shut off power at main breaker Remove control panel top and front cover Remove wires from reversing switch and mark for reassembly Remove mounting nut and remove switch Reassemble in reverse order and check system operation CONVEYOR DRIVE MOTOR REPLACEMENT O TMOOW gt Shut off power at main breaker Remove control panel top and front cover Disconnect all wiring from motor and mark for reassembly Remove coupling from motor drive shaft Remove four screws and remove conveyor motor and mounting bracket Remove mounting bracket from conveyor motor Reassemble in reverse order and check system operation REVERSING CONVEYOR DIRECTION A B Shut off power at oven switch Set conveyor reversing switch in the other position C Turn oven on and check for proper operation CAPACITOR CONVEYOR DRIVE MOTOR REPLACEMENT moom Shut off power at main breaker Remove control panel top and front cover Discharge capacitor before removing wires Mark wires for reassembly Remove mounting screw and remove capacitor Reassemble in reverse order and check system operation AIR PRESSURE SWITCH REPLACEMENT oom Shut off power at main breaker Remove control panel top and front cover Disconnect wiring from air pressure switch and mark for reassembly Disconnect air tube from air pressure switch 19 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 Remove two mounting screws and remove air
12. OHHSHL ZL ANO SN3AO 39 134 H3llld 173 a e papory i LIMIT HOTH X08 1041 09 LWISOWU3HL Li VOL NAO d HTA 301YH3N39 WWVdS 95 NJAO 709102 NOD LELE TS ONISUZAZY YOAZANOO HOLIMS 8043AN02 WOLIOVEVI 22 SNOTLVENSTSNOI ONTSHON 131905 3unss3dd VIV YINSNB HOLIMS OJH S 2 YOLIIYdYI 19 95 ss j 13534 Y3NYNB HOLIMS yS H3NING 28 Dal 0 gt 34NSSJYd N3A0 HOLIMS ES HUY TW Y 000 EA SERIAL NUMBER 2038616 AND ABOVE WNOTLTSOd DEN 95 HOLIMS 30 NOT193810 3583A3H Ol 310N SCHEMATIC DIAGRAM 5 07 YadWNt 39VL 10A YOLON 135 310N MODEL 1154 000 EA 1155 INTERNATTONAL IMPINGER II ADVANTAGE 07 2001 9N17009 YOLON ZU eag opui de ONE vous ind 4 3NAVM 1903 EL VOL TOMANDO d 14 13 allg 1143 NJAO 7041N09 NOJ YOLOM uolloVdYO ZI YOLIOVAVD 19 HOLIMS 5344 Y V SdV SCHEMATIC DIAGRAM MODEL 1164 000 SERIAL NUMBER 2038616 AND ABOVE INTERNATIONAL IMPINGER ADVANTAGE 07 2001 MODEL 1154 000 EA MODEL 1155 000 EA TROUBLESHOOTING GUIDE IMPINGER ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE LP GAS NAT GAS 230VAC 230VAC OVENS WITH PUSH BUTTON CONTROLS 1 PHASE 1 PHASE 50 HZ 50
13. SERVICE MANUAL MODEL 1154 000 EA 1155 000 EA 1164 000 EA WITH PUSH BUTTON CONTROLS 07 2001 1 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 SEQUENCE OF OPERATIONS IMPINGER ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS MODEL 1154 000 EA MODEL 1155 000 EA NAT GAS 230VAC 50 HZ 1 PHASE LP GAS 230VAC 50 HZ 1 PHASE POWER SUPPLY Electrical power to be supplied to the oven by a three conductor service CONTROL BOX AUTO When the temperature the control box reaches 120 F 3 F 48 9 C 1 7 C COOL DOWN the cooling fan thermostat will switch power to the control box cooling fan The thermostat will interrupt power to the cooling fan when the control box temperature falls to 100 F 3 F 37 8 C 1 7 MAIN FAN CIRCUIT Power is permanently supplied through a 10 amp oven fuse through a normally closed control box hi limit thermostat opens at 140 F 60 C to the normally open double pole oven fan switch and to the cooling fan Closing the oven fan switch supplies line voltage to the main fan motor Closing the main fan switch also supplies voltage to the cooling fan the primary of the control transformer the conveyor motor and the burner system BURNER CIRCUIT Closing the oven fan switch supplies line voltage through the normally open gas pressure switch located in the gas valve and closed when gas pressure is present through the normally open air pressure
14. air switch terminals for supply voltage to terminals NO and COM If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust air pressure switch or replace if necessary Oven control Check for 24VAC supply to oven control If no voltage is present trace wiring back to control transformer Check for supply voltage to oven control If no voltage is present trace wiring back to oven fan switch If voltage is present check for a read out on the display If there is no read out on the oven display replace oven display If there is a read out on the oven control set the control to maximum temperature see Installation operation manual for temperature adjustment With the control at maximum temperature check for supply voltage to the mercury contactor If there is voltage at the mercury contactor proceed to Mercury contactor for next check If there is no voltage at the mercury contactor trace wiring back to the oven control If there is no voltage output at the oven control check the read out the oven control If the oven control reads PROBE FAIL this indicates that the thermocouple has failed or become disconnected from the oven control Thermocouple Check to see that the thermocouple is securely connected to the oven control If the thermocouple is connected to the oven control and the display indicates PROBE FAIL disconnect the thermocouple fro
15. as needed Oven control If there is voltage supplied to the motor and the motor capacitor and reversing switch check good replace the oven control Conveyor motor runs but there is no speed display NOTE Display will indicate BELT JAM Oven control Check for output voltage from oven control to hall effect sensor sensor is located in the conveyor motor Measure voltage at the motor connector red wire and yellow wire Voltage should be approx 10VDC If no voltage is present trace wiring back to oven control If there is no voltage output at the oven control replace oven control Conveyor motor If there is voltage supplied to the hall effect sensor check for a frequency output from the hall effect 07 2001 INTERNATIONAL IMPINGER ADVANTAGE sensor Measure frequency across the yellow and white wires in the motor connector Frequency reading should be approx 25 100 Hz lf these readings are not achieved replace conveyor motor If the readings are achieved proceed Oven control If the hall effect sensor readings are correct but there is no speed indicated on the display replace the oven control 07 2001 10 INTERNATIONAL IMPINGER ADVANTAGE MODEL 1164 000 EA TROUBLESHOOTING GUIDE IMPINGER ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE 400 230VAC OVENS WITH PUSH BUTTON CONTROLS 50HZ 3 PHASE REFER TO PROPER SCHEMATIC FOR IDENTI
16. ceptacle Measure incoming power call power co if needed Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb in its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor No automatic control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Oven cavity hi limit Terminals are normally closed opens at 660 F 350 C 07 2001 11 INTERNATIONAL IMPINGER ADVANTAGE thermostat If open re
17. f required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Conveyor motor Check for supply voltage to the conveyor motor at terminal 6 to neutral If no voltage is present trace wiring back to the oven fan switch If voltage is present but the motor will not run check the motor windings for opens or shorts any of the above fail replace the conveyor motor Capacitor conveyor motor Check for shorts or grounds Replace capacitor as needed WARNING Capacitor has a stored charge discharge before testing Switch conveyor reversing Check continuity between switch terminals Replace switch
18. l not heat proceed Thermocouple WITH POWER ON AND THERMOCOUPLE ATTACHED TO THE OVEN CONTROL Measure the DC millivolt output of the thermocouple Refer to the thermocouple chart located in the Removal section of the manual for proper millivolt readings If these readings are not achieved replace thermocouple Oven control If the thermocouple checks good but there is no supply voltage output to the temperature regulation valve replace the oven control If there is supply voltage 07 2001 INTERNATIONAL IMPINGER ADVANTAGE output to the temperature regulation valve proceed Temperature regulation valve Check for supply voltage to the temperature regulation valve If voltage is present listen for valve to open and close Also check for opens or shorts in the operating coil Replace temperature regulation valve as needed Intermittent heating Thermal overload of main fan and burner blower motor The main fan motor and burner blower motor are equipped with internal thermal protection and will cease to operate if overheating occurs As the motors overheat and cool this will cause the heating system to cycle on and off intermittently Improper ventilation or lack of preventive maintenance may cause this problem Also most of the problem listed under Oven will not heat can cause intermittent failure Conveyor will not run Incoming power supply Check breaker reset i
19. m the oven control and measure the resistance of the thermocouple The thermocouple should read approx 11Q If these readings are not achieved replace the thermocouple If these readings are correct proceed Oven control If the thermocouple checks good but the oven control indicates that there is a thermocouple failure replace 07 2001 12 INTERNATIONAL IMPINGER ADVANTAGE the oven control If the oven control indicates a temperature reading but the oven will not heat proceed Thermocouple WITH POWER ON AND THERMOCOUPLE ATTACHED TO THE OVEN CONTROL Measure the DC millivolt output of the thermocouple Refer to the thermocouple chart located in the Removal section of the manual for proper millivolt readings If these readings are not achieved replace thermocouple Oven control If the thermocouple checks good but there is no supply voltage output to the mercury contactor replace the oven control If there is supply voltage output to the mercury contactor proceed Mercury contactor Check for supply voltage to the contactor coil If voltage is present and the contactor will not activate replace the mercury contactor Also check each contactor for high voltage input and output Heating element s Check the Amp draw on each power leg for proper load Check the specification plate for rating information If the Amp draw is high or low check the individual elements for o
20. n cavity M 370359 Reversing switch conveyor N 353082 Ground lug O 369698 Junction box P 370117 Terminal block Q 370178 Cover junction box R 357107 Fuse holder S 369014 Fuse 10A T 369331 Finger guard U 370384 Conveyor motor V 369378 Cooling fan W 370362 Thermocouple Type K x 369479 Mercury contactor 3 phase 07 2001 26 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 27 INTERNATIONAL IMPINGER ADVANTAGE OVEN BACK ASSEMBLY LETTER PART NUMBER DESCRIPTION A 369182 Fan B 369899 Fan shroud 369655 Stand off D Heating element 369183 208 Volt 369184 240 Volt E Rear wall 369976 Gas ovens 369549 Electric ovens F 369581 Motor mount G Motor 369539 Gas ovens 120VAC 369181 Electric ovens 208 240VAC 369695 Bracket motor 369033 Clamp motor J 369681 Cover back K 369979 Bracket hi limit L 369227 Spring M 369541 Bracket thermocouple 07 2001 28 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 29 INTERNATIONAL IMPINGER ADVANTAGE CONVEYOR DOOR LETTER PART NUMBER DESCRIPTION A 369611 Coupler B 369664 Coupling center 369269 Ball plunger D 370116 Set screw E 369223 Crumb pan right F 369224 Crumb pan left G 369666 Conveyor frame assembly H 369226 Pan stop J 369516 Conveyor bearing K 369514 Idler shaft L 369515 Sprocket i
21. ncludes set screw 369978 Set screw M 369238 Drive shaft N 369513 Hinge O 369510 Door assembly includes N P and Q P 370016 Impinger nameplate Q 369501 Door latch amp catch R 1123D Door with window includes N P and Q 5 369927 Window frame top T 369925 Glass access window U 369926 Window frame bottom 369929 Retainer window x 369165 Splice clip conveyor belt Y 369194 Conveyor belt complete 369394 Conveyor belt 1 foot section 07 2001 30 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 31 INTERNATIONAL IMPINGER ADVANTAGE
22. ol The oven control supplies line voltage to the coil of the contactor at intermittent intervals to maintain the desired temperature The display on the oven control will indicate when the contactor is energized NOTE The display also indicates oven temperature CONVEYOR CONTROL Closing the oven fan switch supplies line voltage to the conveyor motor and to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control Setting the oven control to the desired time outputs voltage through a reversing switch to the conveyor motor NOTE The conveyor system uses a hall effect sensor and magnet to prove operation of the conveyor motor If the conveyor motor is not running BELT is indicated on the display 3 INTERNATIONAL IMPINGER ADVANTAGE AE A A EI SUJBHNN_3Y1M 5 LIN SV9 HOLIMS ZS f SU 9 OVINO Y3WYOISNVHL luX N3AO HOLIAS 15 NOLLYTNOTY 3unlvu3dH3l ZA YOAZANO BOLOH 10114 3 JAWA 1A YOJOH EN 3 3dAL 3140020HM3Hl 21 W3MO1H U3NMNA uOlOM ZW NOLLNAIYLSIG 730018 IVNIHUZL EBL 9NI3009 43 000 55 511 00 OYINOO u3Nung 230078 TVNIHY3L 281 l3NOVM MiddNS 32018 181 YOSNIS TIYH SH SNAYM 1903 LIWI NJAO LVISOWYSHL El YOSN S WYTH 54 9NI100 TOYLNO 1YIS
23. pens shorts and proper resistance WITH POWER OFF To check resistance of the elements remove all leads from the elements and use a digital multimeter The element resistance should be as follows 230V 33 ohm Replace heating elements as needed Oven heats with switch off Mercury contactor The mercury contactor has probably failed in the closed position If there is no voltage at the operating coil but there is high voltage output from the contactor replace the mercury contactor Intermittent heating Thermal overload of main fan motor The main fan motor is equipped with internal thermal protection and will cease to operate if overheating occurs As the motor overheats and cools this will cause the heating system to cycle on and off intermittently Improper ventilation or lack of preventive maintenance may cause this problem Also most of the problem listed under Oven will not heat can cause intermittent failure Conveyor will not run Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control
24. r wire and terminal 1 on the ignition control Sensor current is to be 3 microamps minimum If these readings are not achieved replace igniter sensor assembly Also check for any type of damage to flame sensor wire and connections NOTE The DC microamp test must be conducted with 07 2001 INTERNATIONAL IMPINGER ADVANTAGE the oven in low flame bypass operation Power supply Set the temperature to the lowest temperature setting If there is sufficient microamp current but the flame will not stay lit check for proper polarity of the power supply Ignition control If there is sufficient microamp current and there is proper polarity of the power supply but the burner will not stay lit check the reset button on the ignition control If the above test is okay replace the ignition control NOTE Flame should be lit at this time Low flame is on but no main flame Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Oven control Check for 24VAC supply to oven control If no voltage is present trace wiring back to control transformer Check for supply voltage to oven control If no voltage is present trace wiring back to oven fan switch If vol
25. rature regulation valve and piping from oven HOT SURFACE IGNITER REPLACEMENT rommoom Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove temperature regulation valve See TEMPERATURE REGULATION VALVE Disconnect wires from burner control Remove three mounting screws and remove burner venturi Remove mounting nut and remove hot surface igniter assembly Reassemble in reverse order and check system operation Check all gas line fittings for leaks 18 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 BYPASS ORIFICE REPLACEMENT Q MMO OW gt Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Disconnect bypass tube from gas valve Remove bypass orifice from gas valve Reassemble in reverse order and check system operation Check all gas line fittings for leaks MAIN BURNER ORIFICE REPLACEMENT MMO OW gt Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove burner manifold See TEMPERATURE REGULATION VALVE Remove main burner orifice from burner manifold Reassemble in reverse order and check system operation Check all gas line fittings for leaks REVERSING SWITCH REPLACEME
26. s included with the oven control by pushing the extensions onto the four set buttons on control Reassemble in reverse order and check system operation Set the oven control for the proper operating mode The 1100 series ovens use a single temperature control system The oven control must be set to the proper operating mode Set the control as follows With the oven power switch off depress the time and up buttons and turn the oven on Control will indicate Imp or Imp Il Release the buttons The control will indicate Temp to store Press the up or down until Imp Il appears on the display Press the temp button The control is now set for single burner operation THERMOCOUPLE REPLACEMENT Shut off power at main breaker Remove conveyor and bottom finger assembly Remove control panel top and front cover Remove thermocouple from bracket in oven chamber and pull thermocouple through tube into control box Remove two thermocouple wires from temperature control Note wire color and location for reassembly F Reassemble in reverse order and check system operation vom m THERMOCOUPLE MEASUREMENT TEMPERATURE F D C MILLIVOLTS 200 2 8 250 4 0 300 5 1 350 6 0 400 7 1 450 8 2 500 9 3 550 10 4 600 11 5 BURNER CONTROL REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Remove wires from control and mark for reassembly
27. sembly Remove mounting screws or mounting nut on fuse holder and remove fuse holder Reassemble in reverse order and check system operation THERMOSTAT CONTROL BOX HI LIMIT REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Remove wires from thermostat and mark for reassembly Remove mounting screws and remove thermostat Reassemble in reverse order and check system operation NOTE Push reset button on new thermostat COOLING FAN CONTROL BOX REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Remove four mounting screws from fan frame Disconnect power cord and remove fan Reassemble in reverse order and check system operation moon THERMOSTAT COOLING FAN REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Remove wires and mark for reassembly Remove two mounting screws and remove thermostat Reassemble in reverse order and check system operation NOTE Push reset button on new thermostat moon BURNER BLOWER MOTOR REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Unplug motor connector Remove three mounting screws from blower tube at burner housing Remove air shutter assembly from old motor for assembly on new motor Reassemble in reverse order and check system operation NOTE Check air shutter at approximately Y open and adj
28. set and test oven for proper operation thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb ion its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Cooling fan thermostat Check the cooling fan thermostat thermostat closes at 120 F and opens 100 F With the cooling fan thermostat pre heated check for continuity If thermostat is open replace cooling fan thermostat Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor Oven will not heat Main fan If not operating refer to Oven fan will not run Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Air pressure switch Check
29. sure switch is still not closed replace gas valve Air pressure switch Check air switch terminals for supply voltage to terminals NO2 and COM If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust air pressure switch or replace if necessary Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb in its spring holder If above checks are okay replace hi limit thermostat Ignition control Check for proper supply voltage to ignition control Check for proper voltage to the burner blower motor This can be checked at motor connecting plug terminals 2 and 5 If voltage is present proceed with next step if not wait 30 seconds push reset button and try to restart If this fails check wires from thermostat and burner blower motor to the ignition control If the above checks okay replace ignition control Burner blower motor Check for supply voltage to motor WITH POWER OFF Turn blower wheel to check for locked rotor If supply voltage is present at motor connecting plug terminals 2 and 5 and motor does not run replace burner blower motor Air pressure switch burner blower Check for proper supply voltage switching from NC
30. switch closed by the air pressure from the main fan through the normally closed oven cavity hi limit thermostat opens at 662 F 350 C and to the ignition control IGNITION CONTROL The ignition control switches line voltage to the combustion blower motor The combustion air pressure switch switches from normally closed to normally open upon sensing air pressure in the burner housing After a pre purge period of between 30 and 60 seconds the spark generator is energized the main gas valve and the burner pilot light are energized and ignition should now occur TEMPERATURE CONTROL Closing the oven fan switch supplies line voltage to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control The oven control is set to desired temperature The thermocouple will provide varying millivolts to the oven control The oven control supplies line voltage to the temperature regulation valve at intermittent intervals to maintain the desired temperature The display on the oven control will indicate when the temperature regulation valve is energized NOTE The display also indicates oven temperature CONVEYOR DRIVE Closing the oven fan switch supplies line voltage to the conveyor motor and to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control Setting the oven control to the desired time outputs voltage through a reversing switch to the conveyor
31. tage is present check for a read out on the display If there is no read out on the oven display replace oven display If there is a read out on the oven control set the control to maximum temperature see Installation operation manual for temperature adjustment With the control at maximum temperature check for supply voltage to the temperature regulation valve If there is voltage at the temperature regulation valve proceed to Temperature regulation valve for next check If there is no voltage at the temperature regulation valve trace wiring back to the oven control If there is no voltage output at the oven control check the read out on the oven control If the oven control reads PROBE FAIL this indicates that the thermocouple has failed or become disconnected from the oven control Thermocouple Check to see that the thermocouple is securely connected to the oven control If the thermocouple is connected to the oven control and the display indicates PROBE FAIL disconnect the thermocouple from the oven control and measure the resistance of the thermocouple The thermocouple should read approx 11Q If these readings are not achieved replace the thermocouple If these readings are correct proceed Oven control If the thermocouple checks good but the oven control indicates that there is a thermocouple failure replace the oven control If the oven control indicates a temperature reading but the oven wil
32. tion moom FAN SPIDER NOTE MEASUREMENT MUST BE inc MADE FROM CONE TO FAN SPIDER FAN HUB 1 1 2 INCH CONE MOTOR MAIN FAN REPLACEMENT Shut off power at main breaker Remove motor cover from back of oven Disconnect wiring and mark for reassembly Remove bolts and slide back straight out of the oven Loosen the bolt from fan hub and remove fan from motor shaft OTE Measure distance from the fan blade to rear wall assembly before removal to aid in reassembly Remove four screws from motor support assembly Remove motor mount clamp and remove motor from oven back Remove motor mount from motor Reassemble in reverse order and check system operation romzmoou CAPACITOR REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Discharge capacitor Remove capacitor Reassemble in reverse order and check system operation moomp ON OFF SWITCH REPLACEMENT A Shut off power at main breaker B Remove control box cover and front panel C Depress spring clips on sides of switch and push out D Remove wires from switch and mark for reassembly E Reassemble in reverse order and check system operation NOTE Make sure switch housing is fully seated in control box housing 15 INTERNATIONAL IMPINGER II ADVANTAGE FUSE HOLDER REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Remove wires from fuse holder and mark for reas
33. ust to get a blue flame with an occasional tip of yellow under high flame A view port in the burner assembly should be used to observe flame HI LIMIT THERMOSTAT OVEN CAVITY REPLACEMENT Shut off power at main breaker Remove conveyor and bottom finger assembly Remove capillary bulb from bracket in oven chamber and pull capillary tube through tube into control box Remove all wires and mark for reassembly Remove mounting nut and remove thermostat Reassemble in reverse order and check system operation Be sure capillary tube is securely in the mount NOTE Push reset button on new thermostat OWP 07 2001 16 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 TRANSFORMER CONTROL REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Remove all wires from transformer and mark for reassembly Remove two mounting screws from transformer base and remove transformer Reassemble in reverse order and check system operation moom OVEN CONTROL REPLACEMENT moon om Shut off power at main breaker Remove control box cover and front panel Remove all wiring connections and mark for reassembly Remove oven control by pulling control from the mounting pins Remove control from oven Before installing new oven control set voltage jumper located at the bottom center of the oven control to the proper voltage 120V 240V position Install the four pushbutton extension
34. y now be unbolted and removed Check new heating element for proper voltage Reassemble in reverse order and check for proper operation Lommooue 20 INTERNATIONAL IMPINGER II ADVANTAGE 07 2001 21 INTERNATIONAL IMPINGER ADVANTAGE IMPINGER ADVANTAGE GENERAL VIEW LETTER PART NUMBER DESCRIPTION A 369390 Caster 4 w mounting plate B 369502 Bottom finger cover Columnating plate see Installation amp Operations manual D 370010 Bottom finger housing E 369504 Top finger housing F Columnating plate see Installation amp Operations manual G 3695032 Top finger cover H 369511 Oven top 369659 Conveyor hole cover J 369225 Baffle K 369211 Thumb screw L 370118 Cross support M 369231 Caster 4 w threaded stem N 369232 Adjustable leg O 369019 Stand side P 370066 Plug 07 2001 22 INTERNATIONAL IMPINGER ADVANTAGE 07 2001 23 INTERNATIONAL IMPINGER ADVANTAGE IMPINGER Il ADVANTAGE CONTROL BOX 1154 000 EA 1155 000 EA A 370108 Control box top B 370355 Control oven 370107 Side panel D 370354 Facia Label E 369432 On off switch F 369378 Cooling fan G 369579 Solid state alarm H 369574 Spark generator 370362 Thermocouple J 370384 Conveyor motor K 369575 Air pressure switch L 36902
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