Bunn HC-3 Manual de usuario

BUNN®OPERATING & SERVICE MANUALBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHONE: (217) 529-6601 FAX: (217) 529-

10TROUBLESHOOTING (cont.)PROBLEMProduct overflows containerWeak productPROBABLE CAUSE1. Dispense switch2. Dispense solenoid valve(Hot or Cold)1. Water

11TROUBLESHOOTING (CONT.)PROBLEMDispenser is making unusualnoisesExcess dustDisplay not litPROBABLE CAUSE1. Plumbing Lines2. Water Supply3. Tank Heate

12SERVICEThis section provides procedures for testing andreplacing various major components used in thisdispenser should service become necessary. Re

13SERVICEAUGER DRIVE COMPONENTS (cont.)If voltage is present as described, proceed to #5.If voltage is not present as described, refer to the wir-ing

14SERVICE (cont.)AUGER DRIVE COMPONENTS (cont.)14. Install hopper assy (21) in the dispenser by slid-ing hopper assy in the guides on the hopper sup

15SERVICE (cont.)BALLASTFIG. 4 BALLASTLocationThe front door lamp ballast is located on thefront center of the base behind the front panel.Test Proced

16SERVICE (cont.)CONTROL THERMOSTATMECHANICALELECTRONIC (OPTIONAL)FIG. 6 CONTROL THERMOSTATP1199.45P1203.45LocationMechanical ThermostatThe mechanica

17SERVICE (cont.)CONTROL THERMOSTAT (cont.)Removal and Replacement.Mechanical Thermostat1. Disconnect the wires from the thermostat.2. Remove the ther

18SERVICE (cont.)DISPENSE SWITCHP1196.70Location:The dispense switches are located on the loweroutside of the dispenser door.NOTE: The center dispense

19SERVICE (cont.)FANFIG. 10 FANP1199.45Location:The fan is located inside the front panel, mountedon a plate beneath the hopper mounting plate.Test P

2INTRODUCTIONThis equipment dispenses hot beverages on demand from powered product. It has two or three hoppers. Thetwo and three hopper models may

20SERVICE (cont.)FROTHER AND WHIPPER MOTORFIG. 11 FROTHER AND WHIPPER MOTORP1203.45Location:The frothers are located behind the dispenserdoor, mounted

21SERVICE (cont.)FROTHER AND WHIPPER MOTOR (cont.)4. Remove dispense tip (3) and twist the whipperchamber (4) clockwise and pull it off the whippercha

22SERVICE (cont.)HOPPER DELAY BOARDFIG. 13 HOPPER DELAY BOARDP1199.45LocationThe hopper delay board is located on the leftfront side of the dispenser

23SERVICE (cont.)FIG. 14 HOT/COLD SWITCHP1199.45HOT/COLD SWITCH (Optional)Location:The hot/cold switch is located on the left sideof the front panel.T

24SERVICE (cont.)LAMP HOLDERFIG. 16 LAMP HOLDERSP1209.75Location:The lamp holders are located on the front ofthe reflector behind the display panel.Te

25SERVICE (cont.)LAMP STARTER and SOCKET (120V, 120/208V &120/240V Models Only)Location:The lamp starter (6) is located inside the doorassy (1) on

26SERVICE (cont.)LEVEL CONTROL BOARD AND LEVEL PROBEFIG. 17 LEVEL CONTROL BOARD AND PROBEP1203.45Location:The level control board is located on the up

27SERVICE (cont.)LEVEL CONTROL BOARD AND LEVEL PROBE (cont.)If voltage is present as described, reinstall the probe,the level control board and level

28SERVICE (cont.)OVERFLOW PROTECTION SWITCHFIG. 21 OVERFLOW PROTECTION SWITCHP1199.45Location:The overflow protection switch is located in-side the co

29SERVICE (cont.)RUN/RINSE SWITCHFIG. 23 RUN/RINSE SWITCHP1199.45Location:The run/rinse switch is located on the rightside of the front panel.Test Pro

300656.000000831.000011646.000012368.000226525.000027620.0000USER NOTICESCarefully read and follow all notices on the equipment and in this manual. T

30SERVICE (cont.)SOLENOID VALVE (COLD WATER - OPTIONAL)FIG. 25 COLD WATER SOLENOID VALVEP1214.45Location:The cold water solenoid valve is located onth

31SERVICE (cont.)SOLENOID VALVE (COLD WATER - OPTIONAL) (cont.)FIG. 26 COLD WATER SOLENOID TERMINALSP1215SOLENOID VALVES (DISPENSE)FIG. 27 DISPENSE SO

32SERVICE (cont.)SOLENOID VALVES (DISPENSE) (cont.)3. Drain enough water from the tank so the waterlevel is below the dispense valve mounting hole.NOT

33SERVICE (cont.)SOLENOID VALVE (INLET) (cont.)If continuity is not present as described, replace thesolenoid valve.6. Check the solenoid valve for co

34P1199.35SERVICE (cont.)TANK HEATER (cont.)5. Check for continuity across the tank heater termi-nals.If continuity is present as described, reconnect

35SERVICE (cont.)Test Procedure:1. Disconnect the dispenser from the power source.2. Disconnect the black wire and the blue/black wireon electro/mecha

36TRANSFORMER (240V TWO WIRE MODELSONLY)(cont.)123FIG.34 TRANSFORMER TERMINALSP1288BLK & WHI toFanRED & BLK toMain HarnessSERVICE (cont.)Remov

37BLKRED/WHISOLDISPENSEMWHIPPERMHOPPERRUN/RINSE SWITCHWHI/GRNWHIWHI/BLKWHI WHI WHI/REDWHI/REDWHIWHI/REDSOLLEFT DISPENSEMRIGHT WHIPPERMRIGHT HOPPERSOLR

38WHIBLK BLKBLUBLURED/WHISOLDISPENSEMWHIPPERMHOPPERRUN/RINSE SWITCHWHI/GRNWHIWHI/BLKWHI WHI WHI/REDWHI/REDWHIWHI/REDSOLLEFT DISPENSEMRIGHT WHIPPERMRIG

4INITIAL SET-UP1. Locate the drip tray assembly beneath the dispenser nested in the packing material.2. Remove the drip tray and the drip tray cover

5PLUMBING HOOK-UP1. Securely attach the short piece of tubing on the water strainer assembly to the inlet fitting on the bottom ofthe dispenser.2. Flu

6DRAINING THE HOT WATER TANKCAUTION - The dispenser must be disconnected from the power source throughout these steps.1. Disconnect the dispenser from

7PROBLEMProduct will not dispensePROBABLE CAUSE1. No water2. No power or incorrect voltage tothe dispenser3. Dispense switch4. Dispense solenoid valve

8TROUBLESHOOTING (cont.)PROBLEMProduct will not dispense (cont.)Water is not hotSpitting or excessive steamingPROBABLE CAUSE9. Water strainer10. Lime

9TROUBLESHOOTING (cont.)PROBLEMDripping from dispense tipWater flows into tank continuouslyPROBABLE CAUSE1. Lime build-upCAUTION - Tank and tank compo