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Manual Bunn G1

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  • Bunn G1 - page 1

    C L E A N I N G L E V E R G R O UN D C O FF EE 1 . S e l e c t t h e de s i r e d g r in d . 2 . L i f t t h e l i d a n d p o u r c o f f e e b e a n s in t o t h e h op p e r . 3 . S l i p b a g u n d e r t h e c h u t e . R e s t t he b a g o n t h e t r a y . 4 . P r e s s t h e s ta r t s w i t c h . 5 . F l i p t h e c l e a n in g le v e r a ...

  • Bunn G1 - page 2

    2 10191 070306 BUNN-O-MA TIC COMMERCIAL PRODUCT W ARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years. 3) Compressors on refrigeration equipment: 5 years par ...

  • Bunn G1 - page 3

    3 SPECIAL R E G U L A R E L E C P E R C A U T O M A T I C D R I P ...

  • Bunn G1 - page 4

    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 and requires 2-wire, grounded service rated 230 volts ac, 15 amp, single phase, 50 Hz. INITIAL SET -UP CAUTION - Un ...

  • Bunn G1 - page 5

    5 COFFEE GRINDING 1. T urn 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 is behind the chute.) 4. Allow the bag to rest on the screen beneath the chute. 5. Pres ...

  • Bunn G1 - page 6

    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-Matic T echnical Ser vice Department. • Inspection, testing, and repair of electrical equipment should be performed only by qualified service ...

  • Bunn G1 - page 7

    7 PROBABLE CAUSE 3. Bag Sensor . (cont.) 4. Motor overload protector . 1. Off/On/Start Switch 2. Bag Sensor 3. Relay TROUBLESHOOTING (cont.) PROBLEM Grinder will not start. (cont.) Grinder will not shut off. REMEDY (B) Refer to Ser vice - Bag Sensor Switch for testing and adjustment procedures. See page 9. Remove the plug located on the right side ...

  • Bunn G1 - page 8

    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 hopper before grinding. Foreign materials must not block the opening at the bottom of the hopper . Remove both black fillister head screws holding the grinder selector dial ...

  • Bunn G1 - page 9

    9 CONTENTS Bag Sensor Switch ..............................................9 Motor and Grind Chamber (AC) ........................10 Motor and Grind Chamber (DC) ........................13 Off/On/Start Switch ...........................................16 Rectifier ............................................................17 Relay ............... ...

  • Bunn G1 - page 10

    10 4. Disconnect the grinder from the power source. If voltage is present as described, proceed to #5. If voltage is not present as described, refer to the Wiring Diagrams and check the grinder wiring harness. 5. Check for continuity across the terminals on the bag sensor switch. If continuity is present as described, reconnect the wires, the switc ...

  • Bunn G1 - page 11

    11 SERVICE (cont,) AC MOTOR AND GRIND CHAMBER (cont.) WHI/BLU to Relay N.O.(K4) WHI to Cordset (120V) RED/BLK to Cordset (230V) GRN to Ground (120V) GRN/YEL to Ground (230V) P1310 Removal and Replacement - Grind Chamber - Refer to Fig. 6: 1. Lo osen the tw o set scre ws (1 6) sec uri ng the gri nd selector knob to the grind selector dial plate (18) ...

  • Bunn G1 - page 12

    12 SERVICE (cont.) ...

  • Bunn G1 - page 13

    13 17. Ins tal l grind selec tor dial plat e (18) with adju sting scr ew w/be aring (19) onto the gr ind 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 MOTOR AND GRIND CHAMBER - G1MD ONL Y ...

  • Bunn G1 - page 14

    14 SERVICE (cont,) DC MOTOR AND GRIND CHAMBER - G1MD ONL Y (cont.) ...

  • Bunn G1 - page 15

    15 SERVICE (cont,) DC MOTOR AND GRIND CHAMBER - G1MD ONL Y (cont.) ...

  • Bunn G1 - page 16

    16 Location: The Off/On/Start switch is located in the up- per front wrapper above and to the right of the grind selector knob (left side when viewed from rear). T est Procedure: 1. Disconnect the grinder from the power source. 2. Check the voltage across the black wire on the Off/On/Star t switch and the white wire or the red/ black on the relay c ...

  • Bunn G1 - page 17

    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 rectifier to the motor mounting bracket. 3. Remove the rectifier and discard. 4. Install new rectifier on the rear of the motor mounting bracket and secure with a #10-32 screw . 5. Refer to Fig. 13 and recon ...

  • Bunn G1 - page 18

    18 Location: The relay is located on the grinder base inside the lower housing. T est Procedure: 1. Disconnect the grinder from the power sour ce and place a coffee bag behind the dispense chute. 2. Check the voltage across the white/orange and white or red/black wires on terminals A & B of the relay with a voltmeter . Hold the Off/On/Start swi ...

  • Bunn G1 - page 19

    19 ...

  • Bunn G1 - page 20

    20 WHI/VIO WHI/VIO WHI/BLU WHI/ORA 1 or A GRN L1 N SW1 BLK WHI/RED SW2 K 0 or B M L1 L2 120 VOL T AC 2 WIRE SINGLE PHASE 60 HZ WHI WHI K-2 or K-7 K-8 or K-9 K-6 K-4 SCHEMA TIC WIRING DIAGRAM G1, G2 & G3 10190.0000G 07/05 © 1985 BUNN-O-MA TIC CORPORA TION 10191 070306 ...

  • Bunn G1 - page 21

    21 WHI/VIO WHI/VIO WHI/BLU WHI/ORA SCHEMA TIC WIRING DIAGRAM G1A, G2A & G3A GRN/YEL L1 L2 SW1 BLK WHI/RED WHI/RED SW2 N.O. N.O. M L1 L2 RED (230V) RED/BLK (240V) RED (230V) RED/BLK (240V) 10754.0000E 07/05 © 1993 BUNN-O-MA TIC CORPORA TION K-4 K-6 230 VOL TS AC 240 VOL TS AC 2 WIRE SINGLE PHASE K 1 or A 0 or B K-2 or K-7 K-8 or K-9 10191 07030 ...

Manufacturer Bunn Category Coffee Grinder

Documents that we receive from a manufacturer of a Bunn G1 can be divided into several groups. They are, among others:
- Bunn technical drawings
- G1 manuals
- Bunn product data sheets
- information booklets
- or energy labels Bunn G1
All of them are important, but the most important information from the point of view of use of the device are in the user manual Bunn G1.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Bunn G1, service manual, brief instructions and user manuals Bunn G1. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Bunn G1.

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A complete manual for the device Bunn G1, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Bunn G1 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Bunn G1.

A complete Bunn manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Bunn G1 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Bunn G1, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Bunn G1, that we can find in the current document
3. Tips how to use the basic functions of the device Bunn G1 - which should help us in our first steps of using Bunn G1
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Bunn G1
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Bunn G1 in a specific country, if it was not possible to solve the problem on our own.

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