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Summary of Content
PARTS & SERVICE MANUAL Impinger Advantage Electric w/ Push Button Controls 1450 Series - Domestic MODELS: Please note that the model numbering system changed March 2007. The chart below shows the old model numbering system and its matching new model number. Old Model Number 1452 1453 → → → New Model Number 1452-00z-U-Kxxxx 1453-00z-U-Kxxxx P/N: L371079 REV: 10.21.09 Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, Indiana 46804 Telephone: 260.459.8200 Fax: 888.790.8193 Technical Support: 800.678.9511 lincolnfp.com MODEL NUMBER KEY EXAMPLE: 1452-B00-E-K1801 14 52 - B 00 - E - K1801 Panel Setup Code Agency Code (i.e. CE & RoHS combined) Custom Configuration Code (i.e. General Market Version) Language Code Indicates change to base assembly (i.e. Natural Gas, 230V, 1 phase, 50 Hz) Oven Platform Size (i.e. Impinger I) CODE LANGUAGE COUNTRY CODE LANGUAGE COUNTRY 0 English Dom. & Int. Default N Finnish Finland B French France/Luxembourg O Restricted --- C German Germany P Norwegian Norway D Italian Italy Q English Japan E Spanish Spain R Swedish Sweden F English UK/India/Africa/Hungary S English Australia G Spanish Mexico/Latin America T Mandarin China H Portuguese Portugal U Restricted --- I Not Used --- V English Pacific Rim/Korea J Danish Denmark W English Middle East K Dutch & French Belgium X Not Used --- L Dutch Netherlands Y Not Used --- M Greek Greece Z Not Used --- AGENCY CODE TABLE CODE AGENCY N No Agency E CE & RoHS compliance combined U US & Canada compliance only A Advantage style oven to be phased-out B Australia AGA 2 Impinger I – 1450 Series Electric Service Manual - Domestic SEQUENCE OF OPERATION IMPINGER ADVANTAGE ELECTRIC SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS) MODEL 1452 MODEL 1453 POWER SUPPLY CONTROL BOX AUTO COOL DOWN MAIN FAN CIRCUIT HEAT CIRCUIT TEMPERATURE CONTROL CONVEYOR DRIVE 120VAC 120VAC 60 HZ. 60 HZ. 3 PHASE 3 PHASE Electrical power is to be supplied to the oven by a four conductor service. Black conductor is hot. Red conductor is hot. Orange conductor is hot. Green conductor is ground. When the temperature in the control box reaches 120°F ± 3°F (48.9°C ± 1.7°C), 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°C ± 1.7°C). Electrical power is permanently supplied through six 50 A fuses to the normally open contacts of the heat relay. Power is also supplied, through the 10 Amp motor and control fuse, through the normally closed control box hi-limit thermostat, to the normally open oven power switch. Power is also supplied to the control box cooling fan thermostat. Closing the oven power switch supplies line voltage to the main fan motor. Closing the oven power switch also supplies line voltage to the heat circuit and to the primary of the oven control transformer. Closing the oven power switch supplies line voltage through the main fan air pressure switch, through the normally closed oven cavity hi-limit thermostat, to the oven control. Closing the oven power switch supplies line voltage to the primary of the control transformer and through the air pressure switch and oven cavity hi-limit, to the oven control. 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 heat contactor at intermittent intervals to maintain desired temperature. The display on the oven control will indicate when the heat contactor is energized. NOTE: The display also indicates oven temperature. Closing the oven power 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 motor is not running, “BELT JAM” is indicated on the display. Impinger I – 1450 Series Electric Service Manual - Domestic 3 SCHEMATIC DIAGRAM MODEL 1452, 1453 SERIAL NUMBER N28654 AND ABOVE 4 Impinger I – 1450 Series Electric Service Manual - Domestic TROUBLESHOOTING GUIDE IMPINGER ADVANTAGE ELECTRIC OVENS SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS) SYMPTOM Oven fan will not run POSSIBLE CAUSE Incoming power supply Fuse, 10 Amp Fuse holder Thermostat, control box hi-limit Switch, oven power Motor, main fan No control box cooling Incoming power supply Fuse, 10 Amp Fuse holder Switch, oven power Cooling fan No automatic control box cooling Incoming power supply Cooling fan thermostat Control box cooling fan continues to run Cooling fan thermostat Oven will not heat Main fan Air pressure switch Oven cavity hi-limit thermostat Control transformer EVALUATION Check circuit breaker, reset if required. Check power plug to be sure it is firmly in receptacle. Measure incoming power, call power co. if required. Check, replace if necessary. Check, replace if necessary. Terminals are normally closed, open at 130°F (55°C). If open, reset and test for proper operation. If thermostat will not hold, and control box temperature is not exceeding 130°F (55°C), replace thermostat. Check for line voltage supplied to switch. If no voltage is present, trace wiring back to fuse holder. Check continuity between switch terminals. Replace switch as needed. Check for line voltage supplied to motor. If no voltage is present, trace wiring back to oven power switch. Check motor for opens, shorts or grounds. WITH POWER OFF: Turn fan blade to check for locked rotor. Check circuit breaker, reset if required. Check power plug to be sure it is firmly in receptacle. Measure incoming power, call power co. if required. Check, replace if necessary. Check, replace if necessary. Check for line voltage supplied to switch. If no voltage is present, trace wiring back to fuse holder. Check continuity between switch terminals. Replace switch as needed. Check for supply voltage to the cooling fan. If no voltage is present, trace wiring back to the fuse holder. If voltage is present and motor does not run, check motor for opens shorts or grounds. WITH POWER OFF: Check for locked rotor. Check circuit breaker, reset if required. Check power plug to be sure it is firmly in receptacle. Measure incoming power, call power co. if required. Check cooling fan thermostat (thermostat closes at 120°F and opens at 100°F). With cooling fan thermostat pre-heated, check for continuity. See “Cooling fan thermostat” (NOTE: Thermostat will remain closed if control box temperature remains above 120°F. If not operating, refer to “Oven fan will not run” Check 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 switch as needed. 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 temperature, and oven is not exceeding control setting, check for proper location of the capillary bulb in its spring holder. If above checks are okay, replace hi-limit thermostat. Check for supply voltage to primary of control Impinger I – 1450 Series Electric Service Manual - Domestic 5 Intermittent heating Conveyor will not run 6 transformer. If no voltage is present, trace wiring back to oven power 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 hi-limit thermostat. If voltage is present, check for a read-out on the display. If there is no read-out on the display, replace oven control. If there is a read-out on the display, set the oven control to maximum temperature (see installation operations manual for temperature adjustment). With the oven control at maximum temperature, check for supply voltage to the heat contactor. If there is voltage at the heat contactor, proceed to “Heat contactor “. If there is no voltage at the heat contactor, 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. 11Ω. 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 display indicates that there is a thermocouple failure, replace 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 heat contactor, replace the oven control. If there is supply voltage output to the heat contactor, proceed. Heat contactor(s) Check for supply voltage to the heat contactor. If voltage is present, listen for contacts to open and close. Also check for opens or shorts in the operating coil. Replace heat contactor as needed. Thermal/overload of main fan The main fan motor is equipped with internal thermal motor protection and will cease to operate if overheating occurs. As the motor overheats 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 problems listed under “Oven will not heat” can cause intermittent failure. Incoming power supply Check circuit breaker, reset if required. Check power plug to be sure it is firmly in receptacle. Measure incoming power, call power co. if required. Fuse, 10 Amp Check, replace if necessary. Impinger I – 1450 Series Electric Service Manual - Domestic Fuse holder Switch, oven power Control transformer Conveyor motor Capacitor, conveyor motor Switch, conveyor reversing Oven control Conveyor motor runs, but there is no speed display Check, replace if necessary. Check for line voltage supplied to switch. If no voltage is present, trace wiring back to fuse holder. Check continuity between switch terminals. Replace switch as needed. Check for supply voltage to primary of control transformer. If no voltage is present, trace wiring back to oven power switch. If voltage is present, check for 24VAC at transformer secondary. If there is primary voltage, but no secondary voltage, replace control transformer. Check for supply voltage to the conveyor motor at terminal J3 #2 to line 2. If no voltage is present, trace wiring back to oven power switch. If voltage is present, but the motor will not run, check the motor windings for opens or shorts. If any of the above checks fail, replace conveyor motor. Check for shorts or grounds. Replace capacitor as needed. WARNING: Capacitor has a stored charge, discharge before testing. Check continuity between switch terminals. Replace switch as needed. If there is voltage supplied to the motor, and the motor capacitor and reversing switch check good, replace the oven control. NOTE: Display will indicate “BELT JAM” Oven control Conveyor motor 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. 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. If the hall effect sensor readings are correct, but there is no speed indicated on the display, replace the oven control. Impinger I – 1450 Series Electric Service Manual - Domestic 7 REMOVAL, INSTALLATION & ADJUSTMENTS IMPINGER ADVANTAGE SERIES ! CAUTION: BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE OVEN, DISCONNECT ELECTRICAL POWER AND GAS SUPPLY. FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY! MOTOR, MAIN FAN - REPLACEMENT 1. 2. 3. 4. 5. 6. 7. 8. 9. Shut off power at main breaker. Remove louvered motor cover from back of oven. Remove wireway by taking out the (5) five hex screws. Disconnect wiring from motor. Remove the twelve (12) hex head bolts from the oven back and slide back straight out of the oven. Remove two (2) bolts 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. Remove the eight (8) hex head bolts from the motor mount and slide the motor assembly out of the oven back. Remove motor by taking off motor clamp and removing the four (4) mounting nuts and washers. Reassemble in reverse order. When motor mount assembly is set on the oven back, align motor shaft in the center of the hole. Set fan assembly on the motor shaft. NOTE: A. Torque specs on bolts (150 in/lb. torque) B. It is recommended that an anti-seize compound be brushed on to the bolts around the back and motor mount bracket before assembly. FAN, MAIN - REPLACEMENT 1. 2. 3. Shut off power at main breaker. Remove back assembly. (See MOTOR, MAIN FAN) Reinstall and locate fan so that the bottom of the fan spider is 1 1/2" from the top of the oven back cone. (See Drawing) FAN SPIDER NOTE: MEASUREMENT MUST BE MADE FROM CONE TO FAN SPIDER FAN HUB 1 1/2 INCH CONE CAPACITOR, MOTOR - REPLACEMENT 1. 2. 3. 4. Shut off power at main breaker. Remove motor cover from back of oven. Discharge capacitor. Remove and replace. COOLING FAN, CONTROL BOX - REPLACEMENT 1. 2. 3. 4. 5. 8 Shut off power at main breaker. Remove control panel top and front cover. Remove four (4) screws from the fan frame. Disconnect cord and plug and remove fan. Reassemble in reverse order. Impinger I – 1450 Series Electric Service Manual - Domestic THERMOSTAT, COOLING FAN - REPLACEMENT 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control panel top and front cover. Remove lead wires and mark for reassembly. Remove two (2) screws and remove thermostat. Reassemble in reverse order. THERMOCOUPLE - REPLACEMENT 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control panel top and front cover. Slide thermocouple out of oven chamber. NOTE: Remove conveyor and bottom fingers to aid in removal and installation of thermocouple. Remove two (2) wires from temperature control. Make note of wire numbers or color and location for reinstallation. Reassemble in reverse order making sure the metal end on the thermocouple is in the wire form in the oven chamber. THERMOCOUPLE MEASURMENT TEMPERATURE (°F) D.C. MILLVOLTS (APPROX.) 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 CONTROL TRANSFORMER - REPLACEMENT 1. 2. 3. 4. 5. 6. Shut power off at main breaker. Remove control panel top and front cover. Remove two (2) wires on primary side, note color and location. Remove two (2) wires on secondary side, note color and location. Remove two (2) screws from transformer base and replace assembly. Reinstall in reverse order and check system operation. CONVEYOR DRIVE MOTOR - REPLACEMENT 1. 2. 3. 4. 5. 6. Shut power off at main breaker. Remove control panel top and front cover. Loosen set screw on conveyor drive sprocket and slide sprocket off shaft. Disconnect motor plug. Remove four (4) screws from motor frame, on control box side, and remove motor assembly. Reassemble in reverse order making sure to align chain sprockets and adjust motor for proper chain tension (1/2" SAG). REVERSING SWITCH REPLACEMENT 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control box cover and front panel. Disconnect wires from reversing switch and mark for reassembly. Remove mounting nut and remove reversing switch. Reassemble in reverse order and check system operation. Impinger I – 1450 Series Electric Service Manual - Domestic 9 MERCURY CONTACTOR 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control panel top and front cover. Disconnect contactor wires and mark for reinstallation. Remove screws from mounting bracket and replace contactor. NOTE: Be sure contactor is not mounted upside down as this will cause a constant on condition. Reassemble in reverse order. HEATING ELEMENT 1. 2. 3. 4. 5. 6. 7. Shut off power at main breaker. Remove rear motor cover. Disconnect heater element wires and mark for reassembly. Remove oven back assembly. Remove fan shroud. Remove two (2) mounting screws and remove heating element. Reassemble in reverse order. NOTE: Be sure all wire connections are tight. CAPACITOR, CONVEYOR MOTOR – REPLACEMENT 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control box cover and front panel. Discharge capacitor before removing wires. Mark wires for reassembly. Remove mounting screw and remove capacitor. Reassemble in reverse order and check system operation. BEARING, CONVEYOR – REPLACEMENT 1. 2. 3. 4. 5. Remove conveyor from oven and place on flat work surface. Remove connecting links from conveyor belt. See Operator Manual for more information. Remove conveyor belt from conveyor. Remove drive sprocket from drive shaft, if required. Move shaft toward end of conveyor to allow shaft with bearings to slip out of holding bracket. Replace bearing and reassemble in reverse order. THERMOSTAT, CONTROL BOX HI-LIMIT – REPLACEMENT 1. 2. 3. 4. 5. Shut off power at main breaker. Remove control box cover and front panel. Remove wiring from thermostat and mark for reassembly. Remove mounting screws and remove thermostat. Reassemble in reverse order and check system operation. NOTE: Be sure to press reset button on new thermostat to set for operation. THERMOSTAT, OVEN CAVITY HI-LIMIT – REPLACEMENT 1. 2. 3. 4. 5. 10 Shut off power at main breaker. Remove control box cover and front panel. Remove conveyor assembly and fingers from oven to aid in removal of thermostat from oven. Disconnect wires from thermostat and mark for reassembly. Remove thermostat from oven. Reassemble in reverse order and check system operation. Impinger I – 1450 Series Electric Service Manual - Domestic AIR PRESSURE SWITCH – REPLACEMENT 1. 2. 3. 4. 5. 6. Shut off power at main breaker. Remove control panel top and front cover. Disconnect wires from air pressure switch and mark for reassembly. Remove air switch tube from air pressure switch. NOTE: There are two types of air pressure switches used. Remove air pressure switch from its mount. Reassemble in reverse order and check system operation. To adjust air pressure switch, remove cover from switch to expose adjusting screw. To increase sensitivity, turn screw counter-clockwise. To decrease sensitivity, turn screw clockwise. CONTROL TRANSFORMER – REPLACEMENT 1. 2. 3. 4. 5. 6. Shut off power at main breaker. Remove control panel top and front cover. Remove two (2) wires on primary side, note color and location. Remove two (2) wires on secondary side, note color and location. Remove two (2) screws from transformer base and replace assembly. Reinstall in reverse order and check system operation. REVERSING CONVEYOR DIRECTION All ovens leaving our plant are wired to operate conveyors from left to right. To reverse conveyor direction, use the following procedure. 1. 2. 3. Shut off power at oven switch. Set conveyor reversing switch in the other position. Turn oven “on” and check for proper operation. ON-OFF SWITCH - REPLACEMENT 1. 2. 3. 4. 5. 6. Shut off power at main breaker. Remove control box cover. Remove access cover. Depress spring clips on side of switch and push out. Remove wires from back of switch, note wire number and location. Reassemble in reverse order and check system operation. NOTE: Make sure switch housing is fully seated in control box housing. OVEN CONTROL – REPLACEMENT 1. 2. 3. 4. 5. 6. 7. 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 extensions (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 1400 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 I or Imp II” Release the buttons, The control will indicate “Temp to store”. Press the “up” or “down” button until “Imp I” appears on the display. Press the “temp” button. The control is now set for single burner operation. Impinger I – 1450 Series Electric Service Manual - Domestic 11 OVEN CONTROL – REPLACEMENT (CONT’D) PROGRAMMING INSTRUCTIONS 1. Before applying power to oven, ensure proper voltage jumper setting for 120V or 240V, and the 50 Hz / 60 Hz jumper setting is correct. Jumpers are located at bottom center of control board. 2. Set digital control for proper oven cavity and conveyor belt during power-up. A. Single Cavity Ovens – Impinger I or Impinger II Press and hold the 2 inside buttons while turning the power switch on. After Imp. I or II is displayed, release the buttons and control will request the conveyor belt setting – “Imp I” or “Low Pro” or “Imp II”. The up or down button will toggle between those choices. When desired conveyor belt is selected, press the temp button to store settings. 3. Set digital control for proper temperature scale - °F or °C A. Press and hold the 2 RH buttons to enter Sub-Level program. A prompt will be displayed “Technicians Only.” After a couple seconds a second prompt will say “Please Release Buttons.” After releasing the buttons, quickly press the TIME button and the UP button to enter the program. After Sub Set Point is displayed, press temp button to indicate scale. The up or down buttons will toggle choices between °F or °C. After desired scale is selected, allow control to go into normal run mode. These special prompts are for Prom chips 007 and above. Prom chips 006 and below, the Sub-Level program can be entered by pressing the two right buttons only. 4. Set bake time and oven temperature – Set Point Menu A. Press and hold the 2 LH buttons to enter Set Point program. Once in set point program, press temp button and adjust temperature using up or down arrows. Press time button while still in set point program and adjust time using up or down buttons. Pressing time or temp button will show what that respective setting is. Once desired settings are programmed, allow control to go into normal running mode. B. For normal calibration, set bake time to 10:00 minutes and temperature to 500°F/260°C. Bake time can be checked using standard QA procedures. Install cavity temperature probes per standard QA procedures. 5. Adjust temperature offset – Sub Set Point Menu A. Follow instructions in step 4 to enter the Sub-level program. After sub set point is displayed, pressing the temp button will access the following temperature features: SCALE (°F or °C), HI TEMP, LOW TEMP, OFFSET (+ or -), MANUFACTURE MODE (Clear or Active). ** Do not change SCALE after it was set in step 4A or setting will reset to default values. B. To adjust the temperature offset, access the OFFSET display in the Sub Set Point Menu. If cavity temperature is above the set temperature, decrease (down button) the offset value. If cavity temperature is below the set temperature, increase (up button) the offset value. The amount of offset needed should be the difference between the cavity temp and the set temp. Allow oven to reach set temp and verify cavity temperature. Readjust offset as necessary. C. HI TEMP and LOW TEMP are not normally changes unless requested by the customer. Accessing these displays and pressing the up or down buttons will change each indicated setting accordingly. D. MANUFACTURE MODE is not normally used, so this feature should be set to “clear.” E. While in Sub Set Point Menu, pressing the time button will access the following time features: HI TIME and LOW TIME. These are not normally changes unless requested by the customer. Accessing these displays and pressing the up or down button will change each indicated setting accordingly. FUSE HOLDER – REPLACEMENT 1. 2. 3. 4. 5. 12 Shut off power at main breaker. Remove control box cover. Remove all wiring from fuse holder and mark for reassembly. Remove mounting nut for fuse holder and remove fuse holder. Reassemble in reverse order and check system operation. Impinger I – 1450 Series Electric Service Manual - Domestic This page intentionally left blank. Impinger I – 1450 Series Electric Service Manual - Domestic 13 GENERAL VIEW ADVANTAGE SERIES LETTER A B C D E PART NUMBER 369003 369828 369209 Handle spacer Latch & strike O P Q R S T U V W X Y Z * AA BB CC DD EE FF GG HH JJ KK 370110 369157 1534 369057 369643 1009 369062 369140 369903 369141 369139 369058 369211 369203 369749 369204 369373 369748 369328 369052 369030 369904 369053 Door assembly (solid) Door assembly (with window) Finger support assembly Support bracket pin Strike assembly Oven top Top, control box Compression spring Washer, flat Conveyor hold down bracket Shoulder screw Baffle, inlet and outlet Thumb screw (not shown) Stud, wing head Chain cover kit (includes AA, CC) Split ring retainer Receptacle, snap –in Bracket, chain cover Leg, stand Adjustable leg Caster, 6” Insulation holder assembly Finger housing Columnating plates – see installation operations manual Finger cover Crumb pan, internal Window frame, bottom Glass, access window Window frame, top See Access Door Section in manual for complete parts breakdown. LL MM NN OO PP QQ 14 DESCRIPTION Door hinge 369055 369218 369926 369925 369927 Impinger I – 1450 Series Electric Service Manual - Domestic Impinger I – 1450 Series Electric Service Manual - Domestic 15 CONTROL BOX – 1452, 1453 S/N N28654 and ABOVE LETTER A B C D E F G H I J K L M N O P Q R S T U V W X 16 PART # 369158 370373 369507 369025 369119 369134 369118 369838 370067 369378 369331 369129 369166 370388 370359 369368 370360 370241 370362 370418 370355 370363 370354 369432 DESCRIPTION Sprocket, Drive Conveyor Motor Control Box Thermostat Air Pressure Switch Fuse Holder Fuse, 50A Terminal Block Thermostat, Control Box Hi-Limit Mercury Contactor Cooling Fan Finger Guard. Cooling Fan Fuse Holder Fuse, 10A Cover, Access Reversing Switch Thermostat, Hi-Limit Capacitor, Conveyor Motor Transformer, 24VAC Thermocouple, Type K Control Box Top Control, Oven Front Cover Facia, Front Switch, On-Off Impinger I – 1450 Series Electric Service Manual - Domestic Impinger I – 1450 Series Electric Service Manual - Domestic 17 OVEN BACK ADVANTAGE SERIES LETTER A B C D E F G H J K M 18 PART NUMBER 370422 369212 369033 369215 369192 369306 369646 369647 369213 369547 369287 369315 369122 DESCRIPTION Cover, Motor (S/N 21468 & Above) Motor, Main Fan (60 Hz.) Motor clamp Motor support assembly Capacitor, 7.5 MFD Oven back assembly, gas oven Stand-off Inlet panel Main fan Bracket, thermostat Heating element, 208V Heating element, 220V Heating element, 240V Impinger I – 1450 Series Electric Service Manual - Domestic Impinger I – 1450 Series Electric Service Manual - Domestic 19 CONVEYOR 1450 SERIES LETTER --A B C D E F G H J K L M 20 PART NUMBER 369830 369163 369816 369362 370092 369825 369813 369314 369812 369160 369005 369814 369811 369161 369806 370050 371043 DESCRIPTION Complete conveyor assembly Conveyor Belt (32” Belt) Conveyor Belt (20” Belt) Conveyor Belt, 1 ft. Section (32” Belt) Conveyor Belt, 1 ft. Section (30” Belt) Retaining Ring Conveyor Bearing Block Roll, Conveyor, Notched Conveyor Idler Shaft Conveyor Pan Stop Connecting Link (32” Belt) Connecting Link (30” Belt) Conveyor Drive Shaft Roller Chain Sprocket Crumb Pan Conveyor Frame Drive Chain Impinger I – 1450 Series Electric Service Manual - Domestic ACCESS DOOR 1450 SERIES LETTER A B C D E F Not Shown PART NUMBER 369110 370724 369928 370726 370725 370727 370723 369929 DESCRIPTION Access Door Assembly Extrusion Dowel, Access Door Bracket Assembly Dowel Thread Bracket Assembly Glass Retainer, Window A B C F D E Impinger I – 1450 Series Electric Service Manual - Domestic 21 STAINLESS STEEL ACCESS DOOR ALL MODELS (SN 0908210000875 AND ABOVE) LETTER PART NUMBER 369110 371140 371142 370722 371143 371141 370725 371144 370723 A B C D E F G H DESCRIPTION Access Door Assembly Bracket Assembly, Left Dowel, Access Door Screw 8-32 x 3/8 Hx Serr Flng Bracket Assembly, Right Dowel Thread Access Door Frame (top or bottom) Glass A B C H D E G F 22 Impinger I – 1450 Series Electric Service Manual - Domestic This page intentionally left blank. Impinger I – 1450 Series Electric Service Manual - Domestic 23 24 Impinger I – 1450 Series Electric Service Manual - Domestic