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Bunn FMD-3 manuel d'utilisation

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Bunn FMD-3, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    OPERA TING & SERVICE MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www .bunnomatic.com FMD-2 FMD-3 (prior to S/N FMD0013000) HO T LIQUID RELEASE BUTTON WHEN CUP IS 2/3 FULL PL A C E C U P H E R E P LA C E C U P H E R E PL A C E C U P H E R E ! WARNING P U S H a [...]

  • Page 2

    2 INTRODUCTION This equipment dispenses hot beverages on demand from powdered product. It has two or three hoppers. The two and three hopper models may also dispense cold beverages from powdered product from their left dispense station. It is for indoor use only on a sturdy counter or shelf. BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Cor[...]

  • Page 3

    3 00656.0000 00831.0000 USER NOTICES (cont.) RELEASE BUTTON WHEN CUP IS 2/3 FULL PLACE CUP HERE PLACE CUP HERE FMD-2 28328.00003 FMD-3 28328.0000 HEATER 26527.0002 THERMOSTAT ASSEMBLY BUNN-O-MATIC CORP TEMPERATURE ADJUSTMENT + - 160 ° 120VAC ® 190 ° MECHANICAL THERMOSTAT 28368.0000 ELECTRONIC THERMOSTAT 26536.0002 28364 071598[...]

  • Page 4

    4 INITIAL SET -UP 1. Locate the drip tray assembly beneath the dispenser nested in the packing material. 2. Remove the drip tray and the drip tray cover and set them aside. 3. Remove the water strainer assembly from the drip tray and set it aside. 4. Remove the four legs from the drip tray , apply non-skid pads to the bottom of the legs and securel[...]

  • Page 5

    5 PLUMBING HOOK-UP 1. Securely attach the short piece of tubing on the water strainer assembly to the inlet fitting on the bottom of the dispenser . 2. Flush the water line and securely attach it to the flare fitting on the water strainer assembly . 3. T urn-on the water supply . INITIAL FILL & HEA T CAUTION - The dispenser must be disconnected[...]

  • Page 6

    6 DRAINING THE HOT W A TER T ANK CAUTION - The dispenser must be disconnected from the power sour ce throughout these steps. 1. Disconnect the dispenser from the power sour ce. 2. Open front door and place tank heater switch in the “OFF” (upper) position. 3. Shut-off and disconnect the incoming water supply . 4. Remove the top panel. 5. Gently [...]

  • Page 7

    7 PROBLEM Product will not dispense PROBABLE CAUSE 1. No water 2. No power or incorrect voltage to the dispenser 3. Dispense switch 4. Dispense solenoid valve (Hot or Cold) 5. Solenoid valve (Inlet) 6. Level control board and probe 7. Overflow protection switch 8. Auger drive REMEDY Water lines and valves to the dis- penser must be open. (A1) Check[...]

  • Page 8

    8 TROUBLESHOOTING (cont.) PROBLEM Product will not dispense (cont.) Water is not hot Spitting or excessive steaming PROBABLE CAUSE 9. Water strainer 10. Lime build-up CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water conditions. Excessive mineral build-up on stain- less steel surfaces can initiate corro- sive[...]

  • Page 9

    9 TROUBLESHOOTING (cont.) PROBLEM Dripping from dispense tip Water flows into tank continuously Product overflows container PROBABLE CAUSE 1. Lime build-up CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water conditions. Excessive mineral build-up on stain- less steel surfaces can initiate corro- sive reactions [...]

  • Page 10

    10 TROUBLESHOOTING (cont.) PROBLEM Weak product PROBABLE CAUSE 1. Water temperature 2. Whipper motor 3. Frother 4. Dispense solenoid valve (Hot or Cold) 5. Auger drive 6. Auger spring 7. Auger motor 8. Rinse/Run switch REMEDY Place an empty container beneath the dispense tip. Initiate a dispense cycle and check the water tempera- ture immediately b[...]

  • Page 11

    11 TROUBLESHOOTING (CONT .) PROBLEM Dispenser is making unusual noises Excess dust Display not lit PROBABLE CAUSE 1. Plumbing Lines 2. Water Supply 3. Tank Heater 1. Fan 2. Hopper Delay Board 1. Lamp 2. Lamp Holder 3. Starter - Lamp 4. Ballast REMEDY Plumbing lines should not be rest- ing on the counter top. (A) The dispenser must be connected to a[...]

  • Page 12

    12 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service pers[...]

  • Page 13

    13 SERVICE AUGER DRIVE COMPONENTS (CONT .) 4. Disconnect the dispenser from the power supply. If voltage is present as described, proceed to #5. If voltage is not present as described, refer to the wir - ing diagrams and check the dispenser wiring harness. 5. With the wires removed from the motor to be tested. Check for continuity across the two te[...]

  • Page 14

    14 SERVICE (cont.) AUGER DRIVE COMPONENTS (cont.) 14. Install hopper assy (21) in the dispenser by sliding hopper assy in the guides on the hopper support plate (20) until the slot in the bottom rear the hopper seats against the shoulder screw (19) in the hopper support plate. Auger Drive Motor (Refer to Fig. 2) 1. Remove hopper assy (21) and set a[...]

  • Page 15

    15 BLK to BLU from Door Inter connect Harness SERVICE (cont.) BALLAST FIG. 4 BALLAST Location The front door lamp ballast is located behind the front access panel on the left side of the compo- nent bracket. T est Procedure 1. Disconnect the dispenser from the power source. 2. Disconnect the two terminal plug of the door interconnect harness from t[...]

  • Page 16

    16 SERVICE (cont.) CONTROL THERMOST A T FIG. 6 CONTROL THERMOST A T Location The control thermostat (mechanical or elec- tronic) is located inside the dispenser on the upper left side of the housing. T est Procedure Mechanical Thermostat 1. Disconnect the dispenser from the power sour ce. 2. Disconnect the black wire of the control thermo- stat fro[...]

  • Page 17

    17 FIG. 7 THERMOST A T TERMINALS P1448 BLK from Limit Thermostat BLK from Tank Heater Switch 10. Carefully bend the capillary tube so that the tube and bulb inside the tank are in the vertical position and away from any electrical connections. SERVICE (cont.) CONTROL THERMOST A T (cont.) 11. Refer to Fig. 7 and reconnect the wires. NOTE - The capil[...]

  • Page 18

    18 FA N FIG. 10 F AN P1436 Location: The fan is located inside the dispenser hous- ing on the right rear of the dispenser base plate. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the black and white wires from the fan terminals. 3. Check the voltage across the black and white wires with a voltmeter . Connect th[...]

  • Page 19

    19 SERVICE (cont.) 3. Press and hold the appropriate dispense switch and check the voltage across the disconnected harness wires with a voltmeter . Connect the dis- penser to the power sour ce. The reading must be: a) 120 volts ac for two wire 120 volt models. b) 120 volts ac for three wire 120/208 volt or 120/ 240 volt models. c) 240 volts ac for [...]

  • Page 20

    20 SERVICE (cont.) FROTHER AND WHIPPER MOTOR (cont.) Removal, Cleaning and Replacement (Refer to Fig. 12): 1. Open the dispenser door and raise the top front cover . 2. Lift the front edge of the each hopper assembly over the tab on the hopper support panel and slide each hopper assembly out the front of the dispenser . Set aside for reassembly . 3[...]

  • Page 21

    21 SERVICE (cont.) HOPPER DELA Y BOARD FIG. 14 HOPPER DELA Y BOARD P1445.40 Location The hopper delay board is located behind the lower front access panel mounted in the center of the component bracket. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the eight pin plug on the main wiring harness from the eight pin[...]

  • Page 22

    22 SERVICE (cont.) FIG. 15 HOT/COLD SWITCH P1452.40 HOT/COLD SWITCH (Optional) Location: The hot/cold switch is located on the left side of the whipper motor mounting panel. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the four pin plug from the hot/cold switch and the four pin connector on the main wiring harne[...]

  • Page 23

    23 SERVICE (cont.) LAMP HOLDER FIG. 17 LAMP HOLDERS P1454.70 Location: The lamp holders are located on the front of the upper panel behind the display panel. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Remove upper door panel (4) and disconnect the door wiring harness from the leads on the lamp holders. 3. Remove lamp fro[...]

  • Page 24

    24 LEVEL CONTROL BOARD AND LEVEL PROBE FIG. 18 LEVEL CONTROL BOARD AND PROBE Location: The level control board is located behind the lower access panel mounted on the right side of the component bracket. The Level probe is located on the left center of the tank lid just in front of the overflow tube. Test Procedure: 1. Disconnect the dispenser from[...]

  • Page 25

    25 SERVICE (cont.) If voltage is present as described, proceed to #5. If voltage is not present as described, refer to the wiring diagram and check the dispenser wiring haness. 5. Reconnect the violet wire to terminal 1. 6. Carefully connect a piece of insulated jumper wire to terminal 4. Keep the other end of this wire away from any metal surface [...]

  • Page 26

    26 SERVICE (cont.) LIMIT THERMOST A T FIG. 20 LIMIT THERMOST A T P1445 Location: The limit thermostat is located in the center of the tank lid. T est Procedures: 1. Disconnect the dispenser from the power sour ce. 2. Disconnect both black wires from the limit ther - mostat. 3. Check for continuity across the limit thermostat terminals. If continuit[...]

  • Page 27

    27 SERVICE (cont.) OVERFLOW PROTECTION SWITCH FIG. 22 OVERFLOW PROTECTION SWITCH P1199 Location: The overflow protection switch is located in- side the copper overflow cup on the left side of the tank. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Remove the wire nuts connecting the red wires from the overflow protection s[...]

  • Page 28

    28 SERVICE (cont.) RINSE /RUN SWITCH FIG. 24 RINSE/RUN SWITCH P1452.40 Location: The rinse/run switch is located on the right side of the whipper motor mounting panel. T est Procedures: 1. Disconnect the dispenser from the power sour ce. 2. Check for continuity between center terminal and the upper terminal with the switch in the “RUN” lower po[...]

  • Page 29

    29 SERVICE (cont.) SOLENOID V AL VE (COLD WA TER - OPTIONAL) FIG. 26 COLD WA TER SOLENOID V AL VE P1445.40 Location: The cold water solenoid valve is located on the left side of the dispenser base just behind the com- ponent bracket. Test Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the white and white/yellow wires f[...]

  • Page 30

    30 SERVICE (cont.) SOLENOID V AL VE (COLD WA TER - OPTIONAL) (cont.) FIG. 27 COLD W A TER SOLENOID TERMINALS P1215 SOLENOID V AL VES (DISPENSE) FIG. 28 DISPENSE SOLENOID V AL VES P1445.40 Location: The dispense solenoids are located on the upper left side of the tank. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnec[...]

  • Page 31

    31 SERVICE (cont.) SOLENOID VALVES (DISPENSE) (cont.) 3. Drain enough water from the tank (approximately 1.0 gallon) so the water level is below the dispense valve mounting hole. NOTE: Bunn-O-Matic has a syphon assembly, #12440.0000. available for this purpose. 4. Disconnect the water line from the solenoid valve. 5. Remove the #10-32 screw securin[...]

  • Page 32

    32 SERVICE (cont.) SOLENOID V AL VE (INLET) (cont.) 7. Disconnect the dispenser from the power sour ce. If the sound is heard as described and water will not pass through the solenoid valve, there may be a block- age in the water line before the solenoid valve or , the solenoid valve may require inspection for wear , and removal of waterborne parti[...]

  • Page 33

    33 P1452.40 SERVICE (cont.) TANK HEATER (cont.) 5. Check for continuity across the tank heater termi- nals. If continuity is present as described, reconnect the wires, the tank heater is operating properly. If continuity is not present as described, replace the tank heater. NOTE - If the tank heater remains unable to heat, remove and inspect heater[...]

  • Page 34

    34 Test Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the black wire from the power supply and the black wire from the control thermostat. 3. With the switch in the “ON” lower position check for continuity between the center and the upper terminal. With the switch in the “OFF” upper posi- tion no continuity sho[...]

  • Page 35

    35 RED/WHI FLUORESCENT LAMP BALLAST SOL DISPENSE M WHIPPER M HOPPER RUN/RINSE SWITCH WHI WHI WHI RED WHI/RED WHI WHI/RED SOL LEFT DISPENSE M RIGHT WHIPPER M RIGHT HOPPER SOL RIGHT DISPENSE M LEFT WHIPPER M LEFT HOPPER M CENTER HOPPER M CENTER WHIPPER SOL CENTER DISPENSE WHI WHI/VIO WHI/VIO WHI/VIO WHI WHI WHI WHI WHI WHI ORA ORA ORA RED RED WHI/VIO[...]

  • Page 36

    36 RED/WHI FLUORESCENT LAMP BALLAST SOL DISPENSE M WHIPPER M HOPPER RUN/RINSE SWITCH WHI WHI WHI RED WHI/RED WHI WHI/RED SOL LEFT DISPENSE M RIGHT WHIPPER M RIGHT HOPPER SOL RIGHT DISPENSE M LEFT WHIPPER M LEFT HOPPER M CENTER HOPPER M CENTER WHIPPER SOL CENTER DISPENSE WHI WHI/VIO WHI/VIO WHI/VIO WHI WHI WHI WHI WHI WHI ORA ORA ORA RED RED WHI/VIO[...]