Bunn WDG-2 - Manuals - manualsarea.com

Page 2 - The grind is preset at the factory to; drip; and workmanship for two years from the date of installation.

2 CONTENTS Introduction .............................................................................. 2Warranty ................................................................................... 2User Notices ............................................................................. 3Electrical...

Page 4 - will remain in this position after grinding has ceased.

4 ELECTRICAL REQUIREMENTS This grinder has an attached cordset and requires 2-wire, grounded service rated 120 volts ac, 15 amp, single phase, 60 Hz. OPERATING CONTROLS Off/On/Start Switch OFF - (upper position) Switching to this position stops all operation of the grinder. ON - (middle position) Th...

Page 6 - - Unplug grinder before removal of

6 SPECIAL SET-UP FOR FLAVORED COFFEE BEANS 1. WARNING - Unplug grinder before removal of any panel. 2. Select the hopper to be used for flavored coffeebeans. 3. Remove upper front inspection panel locatedbelow control switches. 4. Locate dechaffer blade lever for hopper(s) se-lected in step #2. 5. R...

Page 8 - EXTERIOR SURFACES

8 COFFEE GRINDING 1. Select (either left or right hopper) with selector switch and visually inspect the desired hopper for an ample supply of whole bean coffee. 2. Place a paper filter into the brew funnel. The filter must not be folded-over or tilted to one side.3. Insert the funnel into the funnel...

Page 9 - ADJUSTMENTS; ment to the burrs should be followed by an adjustment of the timer,; Burr Adjustment; , to determine other settings, refer to the previous; B U N N

9 ADJUSTMENTS The grind can be set from fine to very coarse. The grind may be adjusted for use in most commercial coffee brewers. The following procedures should be used to make adjustments. NOTE - On DG-2 grinders a change in the burr adjustment will also change the amount dispensed. Any adjust- me...

Page 10 - WDG2 Models can be converted from weight based settings to timed; DIGITAL CONTROL DISPLAY ASSEMBLY FUNCTION LIST - WDG-2

10 Place funnel with filter into rails, press (Func) button to advance to FunctionOne. 1. When entering this function, load sensor is tared. To gain access to remainingfunctions, press (+) or (-) button once to enter password(0). Display will read(0) now press (Func). 2. Set weight offset, right gri...

Page 11 - TROUBLESHOOTING; WARNING; Exercise extreme caution when servicing electrical equipment.

11 Problem Grinder will not start. Remedy (A) Plug-in the grinder. ( B ) C h e c k t h e v o l t a g e a t t h e w a l lo u t l e t w i t h a v o l t m e t e r. I t m u s tbe 120 volts ac. (A) Momentarily press the Off/On/Startswitch to the “START” (lower) position. (B) Refer to Service - Off/On/Sta...

Page 14 - SERVICE; MODEL

14 SERVICE This section provides procedures for testing and replacing various major components used in thisgrinder should service become necessary. Refer toTroubleshooting for assistance in determining thecause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment shoul...

Page 15 - PNK TO SELECTOR SWITCH; Hopper Selector Switch

15 SERVICE (cont.) The hopper is attached with ten #8-32 x .25” slot- ted head locking screws. Remove hopper by liftingup and swing out the rear of the grinder to avoidscratching of windows. Off/On/Start Switch Location: The Off/On/Start switch is located to the left side on the front of the housing...

Page 16 - Motors

16 SERVICE (cont.) Hopper Selector Switch (cont.) Test Procedure:1. Disconnect grinder from the power supply. 2. Remove all wires from the switch terminals. 3. Place the selector switch in the left position. 4. Check for continuity across the center and rightterminals on the rear of the switch. 5. C...

Page 18 - Replace if excessively worn or damaged.

18 SERVICE (cont.) Motor (cont.) Removal and Replacement - GRIND CHAMBER H G D C B F E A COARSE FINE T H O R O UG HLY CLEAN GRIND CH AM B E R B E F O R E R E A S S E M B L Y E M PT Y H OPPER BEFO RE RE M O V IN G T H IS C O V E R . N O T I C E COARSE FINE C O A R S E - FI NE BU N N COARSE FINE T H O...

Page 22 - Fan; Fuse

22 SERVICE (cont.) Fan Use only on a properly protected circuitcapable of the rated load.Electrically ground the chassis.Follow national/local electrical codes.Do not use near combustibles. WARNING P747 The fan is mounted on upper part of the rear in- spection panel. Test Procedure:1. Unplug the gri...

Page 26 - SINGLE PHASE; SCHEMATIC WIRING DIAGRAM DG2; WIRING DIAGRAMS

26 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ RED J1-1 J1-10 YEL GRNTANGRYTANGRY BLKPNK J4-8 J4-1 BLK WHI VIO WHI ORAORA GRN BREWER INTERFACE CONNECTOR 432 1 GRY TAN PNK (OPTIONAL) BREWER INTERFACE CONNECTOR 432 1 TAN PNK GRY L1 10 AMP N SELECTOR SW GRY ORA WHI/BLU PNK PNK OFF/ON START SW YEL (OPTIONAL)...

Page 27 - SCHEMATIC WIRING DIAGRAM WDG2

27 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ RED YEL GRNTANGRYTANGRY BLKPNK BLK WHI VIO WHI ORAORA GRN L1 10 AMP N SELECTOR SW GRY ORA WHI/BLU PNK PNK OFF/ON START SW YEL (OPTIONAL) MULTI-SET SW PNK GRINDING PNK GRN VIO RED ORA BLU PNK WHI/RED BLK GRY RED BLK BLUBLU RT WHI/BLU BLU LT BLU BLU REDBLK MOT...