Henny Penny OFG-392 Technical Manual
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Henny Penny OFG-392 Technical Manual

Henny Penny OFG-392 Technical Manual

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Henny Penny
Open Fryer
Model OFG-390
Model OFG-392
TECHNICAL MANUAL

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Summary of Contents for Henny Penny OFG-392

  • Page 1 Henny Penny Open Fryer Model OFG-390 Model OFG-392 TECHNICAL MANUAL...
  • Page 3 The Model OFG-390 open fryer is equipped with a continuous pilot. But fryer can not be operated with out electric power. Fryer will automatically return to normal operation when power is restored.
  • Page 4 A data plate, located on the back shroud behind the lid, gives the information of the type of fryer, serial number, warranty date, and other information pertaining to fryer. Also, the serial number is stamped on the outside of the frypot. See figure below.

  • Page 5: Table Of Contents

    Preventive Maintenance ... 2-1 High Limit Temperature Control ... 2-2 Power/Pump Switch ... 2-4 Temperature Probe Replacement ... 2-5 Complete Control Panel - Henny Penny ... 2-6 Lid Couterweight Cables ... 2-7 Gas Control Valve ... 2-9 2-10 Blower Assembly ... 2-11 2-11 Transformer ...

  • Page 7: Section 1. Troubleshooting

    SECTION 1. TROUBLESHOOTING This section provides troubleshooting information in the form of an easy to read table. If a problem occurs during the first operation of a new fryer, recheck the installation per the Installation Section of this manual. Before troubleshooting, always recheck the operation pro- cedures per Section 3 of the Operator’s Manual.

  • Page 8: Troubleshooting

    1-3. TROUBLESHOOTING To isolate a malfunction, proceed as follows: Clearly define the problem (or symptom) and when it occurs. Locate the problem in the Troubleshooting table. Review all possible causes. Then, one-at-a-time work through the list of corrections until the problem is solved. Refer to the maintenance procedures in the Maintenance Section to safely and properly make the checkout and re- pair needed.
  • Page 9 • Shortening too old • Shortening too dark • Breading product too far in advance • Temperature too low • Fryer incorrect preheat • Slow fryer heat-up/recovery • Wrong cook button pushed • Shortening old • Temperature too low •...
  • Page 10 Problem D. Spotted product E. Dryness of product Product flavor (taste): A. Salty taste B. Burned taste C. Bland taste Cause COOKING SECTION (Continued) • Improper separation of the product • Breading not uniform on the product • Burned breading particles on product •...
  • Page 11 Problem D. Rancid taste General: A. Meat separation from bone B. Bone color not proper C. Breading falls D. Product sticking together 1003 Cause COOKING SECTION (Continued) • Shortening too old • Infrequent filtering • Non-compatible products cooked within the same shortening •...
  • Page 12 Problem With switch in POWER position, the fryer is completely inoperative (no power) Cause POWER SECTION • Open circuit Model OFG- 390 Correction • Check to see that unit is plugged in • Check the breaker or fuse at supply box •...
  • Page 13 Check high limit control switch per High Temperature Limit Section • Close drain valve • With power removed from fryer, check across electrical leads of gas valve with multimeter, and gas valve on ON position • Replace temperature probe •...
  • Page 14 Problem HEATING OF SHORTENING SECTION (Continued) Heating of shortening too slow Shortening overheating Cause • Supply line too small - low gas volume • Improper ventilation system • Improper air flow to burners • Programming wrong in the Program Mode •...
  • Page 15 Improper or bad shortening • Improper filtering • Cold zone full of cracklings • Improper rinsing after cleaning the fryer • Drain valve clogged with crumbs • Drain valve will not open by pulling the handle • Obstruction in drain •...

  • Page 16: Error Codes

    1-4. ERROR CODES DISPLAY CAUSE “E04” Control board overheating “E05” Shortening overheating “E06” Temperature probe failure “E41” Programming failure “E71” Pump motor relay failure or wiring problem Air pressure switch open; clogged “E32, CHECK dilution box or faulty blower; open HIGH LIMIT, drain switch;...
  • Page 17 “E-20 A” persists, call Henny Penny’s Service Department Press the timer button to try the ignition process again, and if “E-20 B” persists, call Henny Penny’s Service Depart- ment; number of failures can be seen in Review Usage Section of Operator’s Manual, then press “Exit Cool”...

  • Page 18: Section 2. Maintenance

    MAINTENANCE SECTION 2. MAINTENANCE This section provides checkout and replacement procedures, for various parts of the fryer. Before replacing any parts, refer to the Troubleshooting section to aid you in finding the cause of the malfunction. 1. A multimeter will help you to check the electric components.

  • Page 19: High Limit Temperature Control

    The red reset button is located under the control panel, in the front of the fryer. Once reset, the frypot starts heating. Before replacing a high temperature limit control, check to see that its circuit is closed.
  • Page 20 2-4. HIGH TEMPERATURE LIMIT CONTROL (Continued) Replacement To avoid electrical shock or property damage, move the POWER switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle. 1. If the tube is broken or cracked, the control will open, shutting off electrical power.
  • Page 21 14. Refill with shortening. The POWER switch is a three way rocker switch with a center OFF position. With the switch in the ON position the fryer operates. With the switch in the PUMP position the filter pump operates, but the unit will not heat.

  • Page 22: Temperature Probe Replacement

    10°F, or 10°C, the temperature probe should be replaced. An Ohm check can also be performed. See chart at end of this section. 1. Remove electrical power supplied to the fryer. To avoid electrical shock or property damage, move the POWER switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

  • Page 23: Complete Control Panel-Henny Penny

    8. Connect new temperature probe to PC board and replace control panel. 9. Replace shortening. 10. Turn power on and check out fryer. Should the control panel become inoperative, follow these instructions for replacing the board. 1. Remove electrical power supplied to the fryer.

  • Page 24: Lid Couterweight Cables

    100 lbs. (45.4 Kg). 1. Using a Phillips head screwdriver, remove the screws securing the back and top shrouds of the fryer and remove the shrouds. 2. Raise the lid. 3. Remove the screws securing the shroud to the frame and remove the shroud.
  • Page 25 2-8. LID COUNTERWEIGHT CABLES (Continued) 1003 8. Remove the bolts and spacers securing the pulley bracket, and pull bracket back, to allow access to cable bracket. 9. Pull cable and bracket from unit and remove cable from bracket. 10. Remove cable from weight frame. 11.

  • Page 26: Gas Control Valve

    THE WALL, OR UNPLUG THE POWER CORD. • TURN OFF THE MAIN GAS SUPPLY TO THE FRYER AND DISCONNECT AND CAP THE SUPPLY LINE TO FRYER, OR POSSIBLE. A voltage check at the gas control valve must be taken four (4) seconds after the POWER switch is turned to the ON position.
  • Page 27 2-9. GAS CONTROL VALVE (Continued) 1003 4. Remove left side panel. 5. Remove control panel. 6. Unscrew nut from inlet line from the control valve. 7. Remove the bracket from behind the gas control valve. 8. Remove pilot light tube from gas control valve. 9.

  • Page 28: Blower Assembly

    2-11 The blower motor circulates air into the burner area to create the correct heat for the fryer. If the blower fails, a sensor will shut the gas control valve down. 1. Remove the electrical power supplied to the unit.

  • Page 29: Transformer

    2-10. BLOWER ASSEMBLY (Continued) 2-11. TRANSFORMER 1003 5. Remove the flue. 6. Disconnect wires at junction box. 7. Remove the blower from the plate. 8. Replace new blower in reverse order of procedures. The transformer reduces the voltage down to accommodate those components with low voltage.

  • Page 30: Airflow Switch

    2. Remove control panel. 3. Remove screws securing air switch to the frame, and remove switch. 3. Pull hose from switch from under fryer. 4. Disconnect wires from switch. Mark wires before removal to insure new airflow switch is wired correctly.

  • Page 31: Drain Microswitch

    2-13. DRAIN MICROSWITCH 1003 Upon pulling out on the drain handle, the microswitch should be activated and the unit will not heat, but when the handle is pushed back, the unit should operate properly. The bracket on the microswitch is slotted so it can be adjusted backward or forward. 1.

  • Page 32: Drain Valve And Extension

    2-14. DRAIN VALVE AND EXTENSION Replacement 2-15 The drain valve opens when the drain valve handle is pulled out and drains the shortening out of the pot. 1. Using a 3/8” socket, remove the nuts securing the drain switch bracket, and pull the bracket from the studs. 2.

  • Page 33: Air Valve

    2-15. AIR VALVE 1003 The air valve allows circulation of the shortening in the frypot to keep the shortening at a uniform temperature. 1. Remove electrical power supplied to the unit. To avoid electrical shock or property damage, move the POWER switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

  • Page 34: Cleaning The Dilution Box

    2. Unscrew the wingnut on the lower left back access panel of the fryer and remove the access panel. Clean the dilution box with a cloth or brush. Make sure the holes in the box are free of debris.

  • Page 35: Ignition Modules

    2-18. IGNITION MODULES LED Indication White Rogers Robertshaw Replacement 1003 The ignition modules send 24 volts to the ignitors and gas valve. Two different modules are in the field. The White Rogers modules have a red LED, and the Robershaw modules have a green LED. These LEDs help to identify a failure.

  • Page 36: Ignitor Assembly

    • DISCONNECT THE MAIN CIRCUIT BREAKER AT THE WALL, OR UNPLUG THE POWER CORD. • TURN OFF THE MAIN GAS SUPPLY TO THE FRYER AND DISCONNECT AND CAP THE SUPPLY LINE TO FRYER, OR POSSIBLE. 2. Remove the control panel as discussed in Complete Control Panel Section.

  • Page 37: Flame Sensor Assembly

    2-20. FLAME SENSOR ASSEMBLY Replacement 2-21. IGNITOR AND FLAME SENSOR ADJUSTMENT Ground Rod Flame Sensor Spark Electrode 1003 The flame sensor should glow a bright red when the pilot is lit and allows the gas valve to open. If it does not sense a flame, it shuts down the gas valve.

  • Page 38: Nylatron Strips Replacement

    2-22. NYLATRON STRIPS REPLACEMENT 2-21 1. Remove back and top shrouds 2. Remove the screw and keps nut securing the nylatron to the extension. 3. Remove the screws securing the guides, and slide the guides up and out from the top of the shroud. 4.

  • Page 39: Lubricating Lid Rollers

    Make sure to lube both left and right rollers. The relays receive messages from the control board and operate the components in the fryer. See wiring diagrams to help locate the desired relay. 1. Remove electrical power supplied to the unit.
  • Page 40 Model OFG- 390 2-23...
  • Page 41 Model OFG- 390 2-24...
  • Page 42 Model OFG- 390 2-25...
  • Page 43 Model OFG- 390 FAST READY 120V 2-26...
  • Page 44 Model OFG- 390 FAST READY 220-240V 2-27...
  • Page 45 Model OFG- 390 FAST READY 230V-50 Hz 2-28...

  • Page 46: Parts Information

    This section lists the replaceable parts of the Henny Penny Model OFG-390. Use only genuine Henny Penny parts in your fryer. Using a part of lesser quality or substitute design may result in damage to the unit or personal injury.
  • Page 47 Model OFG- 390 Figure 3-1. Frame and Cover Assembly...
  • Page 48 Figure & Item No. Part No. 39796 53669 √ √ √ √ √ 3 29898 55608 58261 58258 58256 62056 NS03-033 NS03-002 SC03-005 66940 36337 66941 PL01-035 36337 51741 54225 53673 37246 SC03-005 SC01-215 51801 √ √ √ √ √ recommended parts * not shown Description FRAME &...
  • Page 49 Figure & Item No. Part No. √ √ √ √ √ 55765RB √ √ √ √ √ 72164RB √ √ √ √ √ 55772RB √ √ √ √ √ 72162RB √ √ √ √ √ 55782RB 50624 55574 61748 24259 NS02-005 √...
  • Page 50 Figure & Item No. Part No. √ √ √ √ √ 60207 √ √ √ √ √ 60536 SC03-005 √ √ √ √ √ 140012 √ √ √ √ √ 81914 √ √ √ √ √ 56394 √ √ √ √ √ 60818 62053 NS02-005...
  • Page 51 Figure & Item No. Part No. 52799 52041 52798 52800 52038 52040 51897 52039 52120 52801 52795 52792 52794 52797 52793 52796 NS02-005 NS02-006 SC02-014 Description FRYPOT COVERS AND INSULATION ASSY-INSUL/LFT. C/CHAMBER ... INSULATION-C/CHAMBER MOUNTIN ... ASSY-INSUL/RT. C/CHAMBER ... ASSY-INSUL/REAR C/CHAMBER ... INSULATION-LOWER CHAMBER DUC ...
  • Page 52 Figure & Item No. Part No. WA02-001 51763 51892 51765 51759 51893 SC02-014 51739 51894 62060 SC03-005 51753 53661 53662 53660 51755 51821 53659 51806 53658 Description INSULATION COVERS WASHER – INSULATION 1-1/2” DIA..INSULATION COVER – LEFT ... INSULATION –...
  • Page 53 Model OFG- 390 Figure 3-6. Drain Pan and Filter Assembly...
  • Page 54 Figure & Item No. Part No. 52194 03204 21010 24429 52496 52487 SC01-009 NS02-002 17505 17503(use 14671) 17503(use 14674) 65447 17502(use 14671) 17502(use 14674) 36305 55876 62081 24212 14658 √ √ √ √ √ USE 69289 √ √ √ √ √ USE 69289 24211 23740...
  • Page 55 Figure & Item No. Part No. 65191 RR01-004 WA01-020 51531 SC01-041 55754 55756 59169 52498 51707 SC01-248 65190 Description Lid Assembly Complete Ring - Retaining - 1/2 in. Washer - .513 ID-.750 OD-.05 THK Stop - Lid, Cast Screw - 5/16”-18 x 1 HEX HD C Handle Weld Assembly Assy.
  • Page 56 Model OFG- 390 Figure 3-8. Filter Pump Assembly (SN: LH015JC & Below) 3-11...
  • Page 57 Figure & Item No. Part No. 18107 54484 √ √ √ √ √ 17476 18105 18644 51831 55757 16808 16809 17407 62009 55435 24225 16808 16809 55434 62002 66676 √ √ √ √ √ 17430(use 69289) √ √ √ √ √ 67583 62050 √...
  • Page 58 Model OFG- 390 Figure 3-9. Filter Pump Assembly (SN: LH016JC & Above) 3-13...
  • Page 59 Figure & Item No. Part No. 18107 54484 √ √ √ √ √ 17476 18105 18644 51831 65080 FP01-169 FP01-089 17407 66574 65079 √ √ √ √ √ 17430(use69289) 67583 LW02-014 64218 62050 √ √ √ √ √ 52125 √ √ √ √ √ 54908 FP02-037 FP01-168...

  • Page 60: Filter Pump Assembly

    Figure & Item No. Part No. 64218 √ √ √ √ √ 1 23468 √ √ √ √ √ 2 23647 √ √ √ √ √ 3 17456 √ √ √ √ √ 4 23470 √ √ √ √ √ 5 FP01-020 √...
  • Page 61 Model OFG- 390 Figure 3-10. Gas Burner Assembly 3-16...
  • Page 62 Figure & Item No. Part No. 3-10 56990-01 56990-02 56990-03 56990-04 56990-05 56990-07 56990-06 SC01-084 NS02-001 √ √ √ √ √ 52074 √ √ √ √ √ 52075 √ √ √ √ √ 21333 54877 60614 51735 56708 FP05-010 FP01-117 14852 51725 51730...
  • Page 63 Model OFG- 390 Figure 3-11. Gas Piping and Controls 1209 3-18...
  • Page 64 Figure & Item No. Part No. 3-11 FP01-117 FP05-010 65173 65173 FP01-115 FP01-112 54875 52785 68536 51731 69441 69442 FP05-011 69442 21452 21453 √ √ √ √ √ 38468 √ √ √ √ √ 34802 FP01-028 √ √ √ √ √ 80761 √...
  • Page 65 Figure & Item No. Part No. 3-12 54480 62051 53670 √ √ √ √ √ 16738 √ √ √ √ √ 60241 SC01-211 17216 16268 √ √ √ √ √ recommended parts *not shown Description BURNER TUBES BRACKET ASSY – HIGH LIMIT SENSING BULB ... CLIP –...
  • Page 66 44782 62181* 35308 21519* 3-21 Description CARRIER AND RACKS CARRIER ASSY ... RACK HALF SIZE – 8 HEAD FRYER ... 390 BASKET (OPTIONAL) ... WELDMENT - RACK HANDLE ... COVER - WIRE RACK (OPTIONAL) ... Model OFG- 390 Qty. 1209...
  • Page 67 Figure & Item No. Part No. 3-14 60202 √ √ √ √ √ 14240 √ √ √ √ √ 55607 SC03-005 √ √ √ √ √ recommended parts Description VACUUM SWITCH TUBE-VACUUM SWITCH ... KIT - VACUUM SWITCH - VERITCAL ... VACUUM SWITCH –...
  • Page 68 Model OFG- 390 Figure 3-15. Flue Assembly and Blower SN: BT0802002 & BELOW 3-23 1209...
  • Page 69 Figure & Item No. Part No. 3-15 55681 55783 SC03-005 √ √ √ √ √ 14420 √ √ √ √ √ 14421 √ √ √ √ √ 14422 21329 55673 NS02-002 SC02-041 55675 52103 MS01-429 32743 14384 54905 55880 55881 √...
  • Page 70 Model OFG- 390 Figure 3-16. Flue Assembly and Blower SN: BT0802003 & ABOVE 3-25 1209...
  • Page 71 Figure & Item No. Part No. 3-16 70582 SC02-041 NS02-002 √ √ √ √ √ 4 14986 √ √ √ √ √ 4 14988 √ √ √ √ √ 4 14987 21329 √ √ √ √ √ recommended parts 1209 Description FLUE ASSEMBLY AND BLOWER (SN: BT0802003 &...
  • Page 72 Model OFG- 390 Figure 3-16. Frypot and Drain Piping 3-27 1008...
  • Page 73 Figure & Item No. Part No. 3-16 √ √ √ √ √ 14330 √ √ √ √ √ 14266 16226 16239 51792 51790 SC01-022 51874 NS02-002 WA01-018 SC01-042 LW01-010 NS02-005 EF02-017 51891 67618 NS01-016 52519 SC01-058 WA01-006 √ √ √ √ √ 54228 21355 66446...
  • Page 74 Model OFG- 390 Figure 3-17. Lift Beam and Shrouds SN: BT0802002 & BELOW 3-29 1209...
  • Page 75 Figure & Item No. Part No. 3-17 55678 51548 55677 NS02-008 SC01-212 52474 51595 56825 51594 NS02-007 56824 SC01-034 52177 SC01-052 LW01-002 52784 21345 52482 SC01-023 SC03-005 16804 52521 62087 21346 SC01-023 62091 NS02-005 14218* *not shown 1209 Description LIFT BEAM AND SHROUDS (SN: BT0802002 &...
  • Page 76 Model OFG- 390 Figure 3-18. Counterweight and Pulley System SN: BT0802002 & BELOW 3-31 1209...
  • Page 77 Figure & Item No. Part No. 3-18 52475 51677 35962 √ √ √ √ √ 35207 SC01-022 NS02-002 WA01-002 51590 SC01-104 SC01-022 51591 54494 51692 55883 55598 54493 51549 66715 51593 LW01-001 SC01-081 55873 59113 51553 59112 59111 SC01-226 SC01-146 NS02-002 NS01-012 SC01-232...
  • Page 78 Figure & Item No. Part No. 3-21 35026 √ √ √ √ √ 2 35207 NS01-025 LW01-010 35092 SC01-069 36839 SC01-042 36625 36627 36626 37362 37363 37364 SC01-081 35962 36561 35964 SC01-132 √ √ √ √ √ recommended parts 3-33 Description COUNTERWEIGHT SYSTEM (SN: BT0802003 &...
  • Page 79 Model OFG- 390 Figure 3-19. FAST Ready Parts 3-34...
  • Page 80 Figure & Item No. Part No. 3-19 66287 66288 66385 66241 66296 66289 66294 √ √ √ √ √ 54085 √ √ √ √ √ 16624 66239 66302 SC01-023 √ √ √ √ √ 54472 √ √ √ √ √ 56394 √...

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