Frymaster LOV Technical Reference Manual
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Frymaster LOV Technical Reference Manual

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FEB 2008
Edition
Introducing the LOV
™
The LOV
Systems
M2007
RTI-equipped Systems
Board Replacement
Wiring Diagrams
Pin Positions
Frymaster and Dean Technical Service
8700 Line Ave, Shreveport, LA 71106
Service Hotline: 800-551-8633
Website: www.frymaster.com
™
Fryer
1
2
11
28
34
36
39
*8196358*

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  • Page 1 ™ Introducing the LOV Fryer ™ The LOV Systems M2007 RTI-equipped Systems Board Replacement Wiring Diagrams Pin Positions Frymaster and Dean Technical Service 8700 Line Ave, Shreveport, LA 71106 Service Hotline: 800-551-8633 *8196358* FEB 2008 Website: www.frymaster.com Edition...
  • Page 2 ) fryer is a McDonald’s-only, feature-laden version of the RE fryer ™ introduced in 2006 2006. The enhancements found on the LOV fryer include: • Low volume frypot —30 pounds (15 liters) rather than 50 pounds (25 liters) of oil.

  • Page 3: Auto Top Off

    Box), to the frypot with a small pump. The system works the same in McDonald’s gas A circuit board, the ATO (Automatic Top Off), is and electric LOV ™ systems and in the Protector located inside a box behind the JIB. It monitors fryer, which is made for the general market.
  • Page 4 ™ Technical Reference Power Switch Transformer Board The ATO board is positioned in a box with the transformer, which provides power for the board. The box also may have a power switch, which allows the system to be shut off (switch removed in later models). Oil trickles into the frypot from a port behind the elements in...
  • Page 5 ™ Technical Reference Problem Probable Cause No vats topping off. Auto top off power switch off. Verify that the auto top off power switch is (removed in later models) switched on. (removed in later models) ATO board power loss. The switch is located behind the JIB on the Failed or over tightened pump.
  • Page 6 ™ Technical Reference Auto Filtration (MIB and AIF) The auto fi ltration system is controlled by the M2007 computer, the AIF (Automatic Intermittent Filtration) board and the MIB (Manual Interface Board). The fi ltration is made hands-off by linear actuators operating the drain and return valves. The computer is programmable, allowing fi...
  • Page 7 ™ Technical Reference Reset Mode Display Resets system, Shows status ensures all valves (auto or manual) are closed. vat number (when operating valves Drain manuals) and dis- Opens and closes plays error codes. drain valves in manual mode. Vat Selection Selects vat for Return manual operation of...

  • Page 8: Error Codes

    ™ Technical Reference Error Codes 1-8 — Numbers corresponding to the vats. n — Network error; n alternates with r, indicating a time-out on reset; n alternates with F, indicating A — Auto mode, auto fi ltration enabled. an incomplete fi ltration response (see F above); n alternating with a vat number and a drain or return LED C —...
  • Page 9 ™ Technical Reference Troubleshooting the Manual Interface Board (MIB) Problem Probable Cause Auto fi ltration Ensure MIB is not in manual mode. Ensure MIB is in “A” automatic mode and won’t start. Ensure MIB cover is not pressing press the reset button. against buttons.
  • Page 10 ™ Technical Reference MIB displays Network is not terminated correctly. Ensure the CAN bus system is terminated incorrect number Wiring harnesses are loose or at BOTH ENDS on the M2007 connector J6 of vats. damaged. and on the ATO board connector J9) with a Locator pin issue.
  • Page 11 ™ Technical Reference Troubleshooting the AIF System (AIF) Problem Probable Cause Actuator doesn’t Actuator unplugged. Ensure actuator leads are plugged into AIF function. AIF board failure. board (J1 for FV, J3 for DV). Actuator is bad. Check the power on the connector of the problem actuator while manually opening or closing the actuator.
  • Page 12 ™ Technical Reference M2007 Computer Overview Filter, Temp, Info, Programming Cook Cycle and Heat Indicator and Navigation Buttons Selection Buttons Lamp LED Display LED Display ON/OFF Product Buttons ON/OFF The M2007 computer retains the one-button ease of the M2000 and M100B, combining it with the utility of 40-product menu capability.
  • Page 13 ™ Technical Reference Navigation The menu on the M2007 uses buttons to navigate the various menus and submenus. When programming, the left screen shows a menu or submenu item. The right screen is for data entry. Data is entered with alpha-numeric characters, scrolling through lists or by toggling between choices (see diagrams on previous page).

  • Page 14: Basic Operation

    ™ Technical Reference Basic Operation Cook Channel Filter, Temp, Info, and Selection Buttons Programming and Navigation Buttons ON/OFF ON/OFF Product Buttons Start Two-Button Cook Cycle (Multi-Product Mode) Turn Fryer ON Press product key Press right key for full bearing icon for desired pot;...

  • Page 15: Cooking With Multi-Product Display

    ™ Technical Reference Cooking With Multi-Product Display Mc cK - - - - - - - - Dashed lines appear Display alternates in both displays. between MCCK and 2:34 remaining cook time. Press a product button. If a duty is required for duty this menu item, duty is displayed when it is time...

  • Page 16: Cooking With Dedicated Display

    ™ Technical Reference Cooking With Dedicated Display Fr fries Fris A menu item, such as Q7 is displayed and FR FRIES shows in fries alternates with Fris display FRIS. As the quality time counts down. Press a cook channel button to begin the Pressing the cook cook cycle.
  • Page 17 ™ Technical Reference Changing from Breakfast Setup to Lunch Hash brn Hash brn Press and quickly Press and hold the cook release product channel button under the button for french fries. display until a beep is heard. fr fries Computer will hash brn Display changes to FR change from Hash...
  • Page 18 ™ Technical Reference Changing from Lunch Setup to Breakfast Fr fries Fr fries Press and hold the cook FR FRies Computer displays channel button under the display until a beep is heard. Press and quickly Display changes to LOW temp release product Low Temp until button for hash...
  • Page 19 Technical Reference The following chart maps the menu options available in the M2007 computer and indicates the ™ location of more information on each menu item within the LOV Fryer Installation and Operation Manual. For more information, consult the indicated section.
  • Page 20 It will not update. If this happens, contact Frymaster. 5. The period blinks several times while loading. Wait for a minimum of two minutes and the period in the display stays off.
  • Page 21 ™ Technical Reference Loading Software from an SD card to an M2007 Computer and ATO Board To update M2007 computer software in the fi eld, follow these steps: 1. Switch all computers to OFF. With the computer displaying OFF OFF, press the TEMP button to check current M2007/MIB/AIF/ATO software version.
  • Page 22 ™ Technical Reference M2007 Troubleshooting Problem Probable Causes Corrective Action A. Press the ON/OFF switch to A. Computer not turned on. turn the computer on. B. This fryer has two cords: a computer power cord and a main power cord. If the computer cord B.
  • Page 23 ™ Technical Reference Problem Probable Causes Corrective Action M2007 computers may be pro- grammed to display in either Fahr- enheit or Celsius. Press and hold simultaneously until code M2007 display is in wrong appears. Enter 1658 1658. The com- puter displays OFF OFF.
  • Page 24 ™ Technical Reference Problem Probable Causes Corrective Action Computer will not go into pro- gram mode or some buttons Failed computer. Replace computer. do not actuate. This is displayed only during a M2007 display shows HI 2 HI 2 test of the high-limit circuit and Computer in high-limit test mode.
  • Page 25 Turn the computer on and check temperature to see the temperature scale. If the desired scale is not displayed, repeat. • Enter Tech Mode – Enter 1650 1650. • Readdress LOV ™ confi guration after changing an MIB board – Enter 2007 2007.
  • Page 26 ™ Technical Reference 7. Press the (1) button to accept the change. 8. The computer displays CLEAR SIGNATUre CLEAR SIGNATUre on the left and COMPLETE COMPLETE on the right. This resets the date and time. (NOTE: This will delete any hand-entered menu items.) button to toggle to FILTER PAD TIME FILTER PAD TIME on the left and 24 24 on the right.
  • Page 27 ™ Technical Reference button to toggle between US US and INTERNTL INTERNTL time formats. 16. Press the 17. Press the (1) button to accept selection. 18. The computer displays enter date enter date on the left and MM-DD-YY MM-DD-YY or DD-MM-YY DD-MM-YY on the right.
  • Page 28 ™ Technical Reference Filter Error Flow Chart This chart follows the process of clearing a Filter Error prompt. The prompt is displayed when any of First the following occur: FILTER ERROR 1. a clogged fi lter pad, 2. a tripped or defective fi lter pump, 3.

  • Page 29: Troubleshooting

    Technical Reference RTI-equipped Systems Some stores may be equipped with RTI oil storage systems. If so, some of the settings, wiring, and ™ troubleshooting may differ from normal LOV fryer systems. (See next page for bulk oil wiring.) ™ The LOV fryer will ONLY operate with RTI systems that have the new RTI updated three-pole fl...
  • Page 30 ™ Technical Reference ™ Bulk Oil LOV Wiring...
  • Page 31 To fi ll the JIB, press and hold the add switch until the JIB is full then release. Fresh Oil Connection Waste Oil Warning: Do not add HOT Connection or USED oil to the JIB. ™ Fittings, LOV Fryer. The RTI JIB. RTI momentary switch.
  • Page 32 ™ Technical Reference...
  • Page 33 ™ Technical Reference Dispose to Waste, Refi ll Pot From Bulk 1. Hold down “fi lter” button until computer beeps twice. 2. Scroll down to “dispose” using “Info” button then press “ ” button to select. 3. Select “Yes” by pressing “ ” to dispose of oil in pot (this is a timed function). 4.
  • Page 34 ™ Technical Reference 8. “Engage Dispose Switch” is displayed. Switch the RTI switch to dispose. 9. Press the “ ” to start disposal. “Pan to Waste” displayed. 10. “Pan Empty” is displayed after 60 seconds. 11. Press “ ” if oil in fi lter pan is empty. Select “ ” if pan still has oil in it, and pump will run for another 60 seconds. 12.

  • Page 35: Board Replacement

    ™ Technical Reference Board Replacement ATO Replacement The ATO board is located inside the box behind the JIB. It is connected to three phase power in elec- tric fryers and should be approached with extra caution. 1. Disconnect the fryer from the electrical power supply.
  • Page 36 ™ Technical Reference The MIB must be readdressed to the system after replacement. This procedure can be done from any one M2007 computers in the bank. 1. Readdress the fryer by pressing and hold- simultaneously for TEN seconds until a third chirp is heard and code appears.

  • Page 37: Wiring Diagrams

    ™ Technical Reference Wiring Diagrams ™ Electric Fryer with Thermal Sensor RESET SWITCH...
  • Page 38 ™ Technical Reference ™ Electric Fryer with RTD...

  • Page 39: Technical Reference

    ™ Technical Reference ™ Gas Fryer with RTD...
  • Page 40 ™ Technical Reference Pin Positions ATO (Automatic Top Off) Pin Positions and Harnesses (Thermal Sensor) Connector From/To Harness # Pin # Function Voltage Wire Color Output DV - Vat #1 Output FV - Vat #1 Output DV - Vat #2 8074572 x1 (FV) Solenoids Ground...
  • Page 41 ™ Technical Reference ATO (Automatic Top Off) Pin Positions and Harnesses (Thermal Sensor , continued) Connector From/To Harness # Pin # Function Voltage Wire Color Ground Black CAN Lo Network Resistor CAN Hi White (pins 2 & 3) 8074552 or to next ATO Board 5VDC+ 5VDC Black...
  • Page 42 ™ Technical Reference ATO (Automatic Top Off) Pin Positions and Harnesses (RTD) Connector From/To Harness # Pin # Function Voltage Wire Color Output DV - Vat #1 Output FV - Vat #1 Output DV - Vat #2 8074572 x1 (FV) Solenoids Ground Orange...
  • Page 43 ™ Technical Reference ATO (Automatic Top Off) Pin Positions and Harnesses (RTD , continued) Connector From/To Harness # Pin # Function Voltage Wire Color Ground Black CAN Lo CAN Hi White AIF J5 8074546 5VDC+ 5VDC Black 24VDC 24VDC Ground White...

  • Page 44: Mib (Manual Interface Board) Pin Positions And Harnesses

    ™ Technical Reference MIB (Manual Interface Board) Pin Positions and Harnesses Connector From/To Harness # Pin # Function Voltage Wire Color Ground Black CAN Lo CAN Hi White M2007 J7 8074546 Ground Black CAN Lo CAN Hi White AIF J4 8074547 5VDC+ 5VDC...
  • Page 45 ™ Technical Reference MIB (Manual Interface Board) Pin Positions and Harnesses (continued) From RTI transformer 24VAC Black Common White To Waste Solenoid - 3 Way 24VAC Brown From RTI Box RTI JIB Valve Fill Solenoid 24VAC Green Ground - Fill Solenoid From RTI “Waste Tank Full 0VDC –...
  • Page 46 ™ Technical Reference MIB (Manual Interface Board) Display Diagnostics DISPLAY LEDS EXPLANATION Drain Vat # Drain LED on Drain valve on vat # is open Vat # Drain LED off Drain valve on vat # is closed Vat # Drain LED slow blink Drain valve on vat # is opening or closing Vat # alternating with O Drain LED fast blink...
  • Page 47 ™ Technical Reference AIF (Auto Intermittent Filtration) Actuator Board Pin Positions (Thermal Sensor) Connector From/To Harness PN Pin # Function Voltage Wire Color Ret + (Open) 24VDC Black Ret – (Closed) 24VDC FV Return Actuator Ret Position Purple Ground White Ground White FV AIF RTD...
  • Page 48 ™ Technical Reference AIF (Auto Intermittent Filtration) Actuator Board Pin Positions (RTD) Connector From/To Harness PN Pin # Function Voltage Wire Color Ret + (Open) 24VDC Black Ret – (Closed) 24VDC FV Return Ret Position Purple Ground White Ground White FV AIF RTD FV - Temp Ground...
  • Page 49 ™ Technical Reference M2007 Board, Harnesses, and Pin Positions Connector From/To Harness PN Pin # Function Voltage Wire Color 12VAC In 12VAC Ground 12VAC In 12VAC FV Heat Demand V Relay 12VDC DV Heat Demand R/H B/L 12VDC Analog Ground Black L/H B/L 12VDC...
  • Page 50 Frymaster L.L.C. 8700 Line Avenue, Shreveport, LA 71106 Service Center (800) 551-8633 or (318) 865-1711 Printed in the United States of America English © 2008 April 8, 2008...

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