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Manual Bunn H5E

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  • Bunn H5E - page 1

    H10X/H5X H5E/DV PC H5 ELEMENT With Digital Control Board SER VICE MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BO X 3227 SPRINGFIELD , ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 T o ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, please visit the Bunn-O-Matic website, at www .bunn. ...

  • Bunn H5E - page 2

    2 BUNN-O-MA TIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specifi ed 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 parts and 1 year ...

  • Bunn H5E - page 3

    3 WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualifi ed ser vice personnel. Disconnect the dispenser fromthe power source when servicing, except when electrical tests are required and the test procedure specifi cally states to connect the dispenser to the power sour ce. 42311 071310 CONTENTS T ro ...

  • Bunn H5E - page 4

    4 TROUBLESHOOTING 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 qu ...

  • Bunn H5E - page 5

    5 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Equipment will not operate (cont.) Automatic refi ll will not oper - ate after drawing hot water . Water fl ows into the tank con- tinuously (Dispenser discon- nected from power source). Water fl ows into the tank con- tinuously (Dispenser connect- ed to power source). Water is cold. 2. Saf ...

  • Bunn H5E - page 6

    6 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Water boils continuously . Dispenser is making unusual noises. Ready indicator will not light. 1. T emperature control 2. Lime build-up 1. Plumbing lines 3. Water supply 1. T emperature control 2. Ready Indicator LED Refer to Service – electronic controls for testing procedures. Inspect the ...

  • Bunn H5E - page 7

    7 Faceplate Removal - H5 ELEMENT : After removing top cover , remove the two upper screws securing the faceplate. Carefully lift faceplate straight up until the three lower screws clear the key holes. The check valve, electronic control assembly , safety overfl ow switch, solenoid valve, overfl ow tube tempera- ture sensor and terminal block are ...

  • Bunn H5E - page 8

    8 SERVICE Electronic Controls FIG. 8a ELECTRONIC CONTROL P4093.35 V oltage present at Solenoid V alve ? V oltage present at Solenoid V alve ? Overflow Cup Full ? Remove Power Disconnect Level Probe Retry Drain cup No Ye s Ye s Ye s Ye s No No No H5E, H5X LIQUID LEVEL CONTROL PROBLEM: Does Not Refill Does Water Flow ? Replace Probe Unplug Ready Lamp ...

  • Bunn H5E - page 9

    9 SERVICE (cont.) Electronic Controls (cont.) Liquid Level Control T est Procedure 1. Disconnect the dispenser from the power sour ce. 2. Check the voltage across terminals 3 & 4 of the electronic control board with a voltmeter . Connect the dispenser to the power source. The indication must be: a.) 100 to 120 volts ac for 100 to 120 volt model ...

  • Bunn H5E - page 10

    10 Electronic Controls (cont.) 7. Reconnect the pink wire to terminal 5 of the elec- tronic control assembly . 8. Loosen the compression fi tting, remove the probe from the tank lid, and inspect it for mineral depos- its. Replace it if necessary . Keep the exposed ends of the probe away from any metal surface of the dispenser . 9. Check the voltag ...

  • Bunn H5E - page 11

    11 SERVICE (cont.) Electronic Controls (cont.) If voltage was present as described, the temperature control of the system is operating properly . If voltage was not present as described, contact Bunn-O-Matic to order an electronic control board and temperature sensor for evaluation and proceed to #9. 6. Replace the electronic control board. 7. Chec ...

  • Bunn H5E - page 12

    12 SERVICE (cont.) Limit Thermostat Location: The limit thermostat is located on the tank lid. T o test the limit thermostat, access will also be needed to the terminal block located at the rear of the dispenser . If voltage was present as described, reconnect the black wire and proceed to #5. If voltage was not present as described, refer to the W ...

  • Bunn H5E - page 13

    13 SERVICE (cont.) Safety Overfl ow Switch Location: The safety overfl ow switch is located inside the rear of the dispenser inside the copper overfl ow cup. For testing or removal of the safety overfl ow switch, access may also be needed by removing the two screws attaching the electronic control assembly to its mount- ing bracket. T est Proce ...

  • Bunn H5E - page 14

    14 SERVICE (cont.) Solenoid Valve (Late Models) Location: The solenoid valve is located inside the rear of the dispenser on the right side near the bottom. T o test the solenoid valve, access will also be needed to the electronic control board. sound after approximately 5 seconds, as the coil magnet attracts the plunger . 8. Disconnect the dispense ...

  • Bunn H5E - page 15

    15 Solenoid Valve (Early Models) Location: The solenoid valve is located behind the large access panel on the left side of the dispenser . T o test the solenoid valve, access will also be needed to the electronic control board. BUNN 90 psig max operating pressure Strainer/Flow Control # 22300.0750 (Repl. Flow Washer #20526.0750) (Repl. Screen #2372 ...

  • Bunn H5E - page 16

    16 SERVICE (cont.) T ank Heater Location: The tank heater is located in the tank lid. T est Procedure: 1. Disconnect the dispenser from the power sour ce. 2. Check the voltage across the terminals of the tank heater with a voltmeter . Connect the dispenser to the power source. The indication must be: a.) 100 to 120 volts ac for 100 to 120 volt mode ...

  • Bunn H5E - page 17

    Steam Sensor (Thermistor) Location: The thermistor is located on the end of the overfl ow tube above the overfl ow cup. T o test the thermistor , access will also be needed to the electronic control board. SERVICE (cont.) P1993 FIG. 17b LOCA TION H 10X P1993 FIG. 17a LOCA TION H 5X T est Procedure: 1. Disconnect the dispenser from the power sour ...

  • Bunn H5E - page 18

    SERVICE (cont.) Dispense Valve (PC Only) Location: The Dispense Valve is located behind control panel. T est Procedures: 1. Check the valve for coil action. T urn on the valve with the dispense button. Listen carefully in the vicinity of the dispense valve for a click as the coil pulls the plunger in. If no sound is heard as described, proceed to # ...

  • Bunn H5E - page 19

    42311 071310 19 RELA Y N.O. COM 3 1 5 4 2 F ACTORY J1-1 J1-5 H5-PC NO JUMPER Early H5E, H5X, H10X Install jumper thru ver . 1.04 J3-1 J3-5 J5-1 J4-1 J6-1 NO TE: no jumper used on an y Model star ting with ver . 1.08 J2 J7 MAIN CONTROL BOARD 1 2 3 4 + - + - USED ON H5X ONL Y 120V AC 2 WIRE + GND 120/208V AC 3 WIRE + GND 120/240V AC 3 WIRE + GND SING ...

  • Bunn H5E - page 20

    42311 071310 20 230V AC 2 WIRE + GND SINGLE PHASE RELA Y N.O. COM 3 1 5 4 2 F ACTORY J1-1 J1-5 H5-PC NO JUMPER Early H5E, H5X, H10X Install jumper thru ver . 1.04 J3-1 J3-5 J5-1 J4-1 J6-1 NO TE: no jumper used on an y Model star ting with ver . 1.08 J2 J7 MAIN CONTROL BOARD 1 2 3 4 + - + - USED ON H5X ONL Y PINK-22 BLK-24 WHI-24 T ANK t° 39333.000 ...

  • Bunn H5E - page 21

    42311 071310 21 BLU-14 BLK-14 BLK-14 T ANK HEA TER BLK-14 LIMIT THERMOST A T 200-240 VOL TS AC 2 WIRE + GND SINGLE PHASE USED ON H5X ONL Y RELA Y N.O. COM 3 1 5 4 2 F ACT ORY J1-1 J1-5 H5-PC NO JUMPER Early H5E, H5X, H10X Install jumper thru ver . 1.04 J3-1 J3-5 J5-1 J4-1 J6-1 NO TE: no jumper used on any Model star ting with ver . 1.08 J2 J7 MAIN ...

  • Bunn H5E - page 22

    42311 071310 22 USED ON H5X ONL Y RELA Y N.O. COM 3 1 5 4 2 F ACTORY J1-1 J1-5 H5-PC NO JUMPER Early H5E, H5X, H10X Install jumper thru ver . 1.04 J3-1 J3-5 J5-1 J4-1 J6-1 NO TE: no jumper used on any Model star ting with ver . 1.08 J2 J7 MAIN CONTROL BOARD 1 2 3 4 + - + - 100-120 VOL TS AC or 200-240 VOL TS AC 2 WIRE + GND SINGLE PHASE PINK-22 GRN ...

  • Bunn H5E - page 23

    42311 050511 23 RELA Y 3 1 5 4 2 J1-1 J1-5 J3-1 J3-5 J5-1 J4-1 J6-1 J7 PINK-22 GRN-18 WHI/BLU-18 T ANK t° MAIN CONTROL BOARD 1 2 3 4 0-13.8V AC 0-3.3VDC 0-3.3VDC GRY GRY t ° + - + - WHI/VIO-14 RED-18 BLU-14 BLU-14 RED-18 BLK-14 BLK-18 BLK-18 L1 L2 RED RED BLK-18 OVERFLOW PROTECTION SWITCH BLK-14 T ANK HEA TER BLK-14 LIMIT THERMOST A T LIMIT THERM ...

  • Bunn H5E - page 24

    42311 050511 24 RELA Y J1-1 J1-5 J3-1 J2-1 J4-1 J2 MAIN CONTROL BOARD 1 2 3 4 + - + - USED ON H5X ONL Y 100-240V AC 2 WIRE + GND SINGLE PHASE PINK BLK WHI T ANK t° 44657.0000B 05/11 ©2011 BUNN-O-MA TIC CORPORA TION GRY GRY t ° STEAM SENSOR TEMP PROBE + - SCHEMA TIC WIRING DIAGRAM H5 ELEMENT GRN/YEL L1 RED WHI/BLU BRN/WHI WHI/RED T ANK HEA TER L2 ...

Manufacturer Bunn Category Coffeemaker

Documents that we receive from a manufacturer of a Bunn H5E can be divided into several groups. They are, among others:
- Bunn technical drawings
- H5E manuals
- Bunn product data sheets
- information booklets
- or energy labels Bunn H5E
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 H5E.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Bunn H5E, service manual, brief instructions and user manuals Bunn H5E. 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 H5E.

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A complete manual for the device Bunn H5E, 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 H5E by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Bunn H5E.

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 H5E - 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 H5E, 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 H5E, that we can find in the current document
3. Tips how to use the basic functions of the device Bunn H5E - which should help us in our first steps of using Bunn H5E
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Bunn H5E
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Bunn H5E in a specific country, if it was not possible to solve the problem on our own.

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