Bunn G2G1 - Manuals - manualsarea.com

Page 2 - INTRODUCTION

2 INTRODUCTION This equipment will grind whole bean coffee to a user-selectable setting and dispense it into a bag. The equipment is only for indoor use on a sturdy counter or shelf. Adequate space must be available above thegrinder to raise the lid when adding beans. BUNN-O-MATIC COMMERCIAL GRINDER...

Page 3 - An extension cord, when used, must be shorter; FAILURE TO COMPLY RISKS EQUIPMENT; WARNING; PLEASE DO NOT POUR GROUND; PLEASE CLOSE LID; USER NOTICES

3 TURKISH S P E C I A L R E G P E R C EL EC PE RC AU T OMAT I C D RIP FIN E ES P R E S S O 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. An extension cord, when used, must be shor...

Page 4 - ELECTRICAL REQUIREMENTS; Remove the drawer from the base assembly.; OPERATING CONTROLS; Switching to this position stops the operation of the grinder.; CLEANING

4 ELECTRICAL REQUIREMENTS The 120 volt and 240 volt grinders have an attached cordset and requires 2-wire, grounded service rated 120 volts ac and 240 volts ac, 15 amp, single phase, 60 Hz. The 230 volt grinders have a power connector andrequires 2-wire, grounded service rated 230 volts ac, 15 amp, ...

Page 5 - COFFEE GRINDING; Raise the top lid and add the whole bean coffee. Close the top lid.; ADJUSTMENT; Start the grinder to clear the grind chamber. Leave grinder “ON”.

5 COFFEE GRINDING 1. Turn the selector knob to align the red arrow with the desired grind. 2. Raise the top lid and add the whole bean coffee. Close the top lid. 3. Locate the back of a bag behind the dispense chute. (The grinder will not operate unless the bag isbehind the chute.) 4. Allow the bag ...

Page 6 - PROBLEM; Grinder will not start.; PROBABLE CAUSE; TROUBLESHOOTING

6 A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-MaticTechnical Service Department. • Inspection, testing, and repair of electrical equipment s...

Page 7 - Grinder will not shut off.; Refer to

7 TROUBLESHOOTING (cont.) PROBLEM Grinder will not start. (cont.) Grinder will not shut off. PROBABLE CAUSE 3. Bag Sensor. (cont.) 4. Motor overload protector. 1. Off/On/Start Switch 2. Bag Sensor 3. Relay REMEDY (B) Refer to Service - Bag SensorSwitch for testing and adjustmentprocedures. See page ...

Page 8 - Entrance to grind chamber

8 TROUBLESHOOTING (cont.) PROBABLE CAUSE 1. Hopper 2. Entrance to grind chamber 3.Shear Plate PROBLEM Grinder starts, but will not dis-pense. REMEDY Coffee must be poured into hopperbefore grinding. Foreign materials must not block theopening at the bottom of the hop-per. Remove both black fillister...

Page 9 - CONTENTS

9 CONTENTS Bag Sensor Switch ............................................ 9Motor and Grind Chamber (AC) ....................... 10Motor and Grind Chamber (DC) ....................... 13Off/On/Start Switch .......................................... 16Rectifier ...........................................

Page 10 - AC MOTOR AND GRIND CHAMBER; FIG. 4 AC MOTOR AND GRIND CHAMBER

10 If voltage is present as described, proceed to#5.If voltage is not present as described, refer tothe Wiring Diagrams and check the grinder wir-ing harness. 5. Check for continuity across the terminals on thebag sensor switch. If continuity is present as described, reconnect thewires, the switch i...

Page 13 - ADJUSTMENTS and reset the burrs.; DC MOTOR AND GRIND CHAMBER - G1MD ONLY

13 17. Install grind selector dial plate (18) with adjust- ing screw w/bearing (19) onto the grind cham-ber and secure with two .250"-20 screws (1). 18. Install grind selector knob (17) onto the grind selector dial plate (18). NOTE: Refer to ADJUSTMENTS and reset the burrs. SERVICE (cont.) DC MO...

Page 14 - NOTE: Burrs are serviced in sets of two with hard-

14 SERVICE (cont,) DC MOTOR AND GRIND CHAMBER - G1MD ONLY(cont.) BLU to BLU from Rectifier BLU to WHI/BLU fromRelay (3) RED to Rectifier (-)BLK to Rectifier (+) FIG. 8 DC MOTOR TERMINALS P1710 10. Remove motor and bracket out the rear of the grinder housing. 11. Remove the two .250"-20 screws se...

Page 17 - RECTIFIER - G1MD ONLY

17 + A C A C SERVICE (cont.) Removal and Replacement:1. Disconnect the wires from the rectifier. 2. Remove the #10-32 screw securing the rectifierto the motor mounting bracket. 3. Remove the rectifier and discard. 4. Install new rectifier on the rear of the motormounting bracket and secure with a #1...

Page 20 - SCHEMATIC WIRING DIAGRAM G1-MD; SINGLE PHASE 60 HZ; WIRE

20 SW2 WHI/VIO WHI/VIO BLU WHI/ORA A SCHEMATIC WIRING DIAGRAM G1-MD GRN L1 N SW1 BLK WHI/RED K B 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 10621.0000C 10/98 © 1992 BUNN-O-MATIC CORPORATION WHI WHI K-7 K-9 K-6 K-4 M RECT BLU BLU BLU RED RED - BLK BLK + WHI/VIO WHI/VIO WHI/BLU WHI/ORA A GRN L1 N SW1 BLK ...

Page 21 - BLK; SINGLE PHASE

21 WHI/VIO WHI/VIO WHI/BLU WHI/ORA A SCHEMATIC WIRING DIAGRAM G1A, G2A & G3A GRN/YEL L1 L2 SW1 BLK WHI/RED WHI/RED SW2 N.O. N.O. B M L1 L2 RED (230V) RED/BLK (240V) RED (230V) RED/BLK (240V) 10754.0000D 12/99 © 1993 BUNN-O-MATIC CORPORATION K-7 K-4 K-9 K-6 230 VOLTS AC240 VOLTS AC 2 WIRE SINGLE ...