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Manual Bunn H10X

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Summary
  • Bunn H10X - page 1

    BU N N ® H10X OPERA TING & SER VICE MANU AL B UNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 10889.0000C 7/00 ©1995 Bunn-O-Matic Corporation WARNING Very Hot Water Use With Care! ! ...

  • Bunn H10X - page 2

    2 W ARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects in material and workmanship existing at the time of manufacture and appearing within one year from the date of installation. In addition: 1.) Bunn warrants electronic circuit and/or control boards to be commercially free from d ...

  • Bunn H10X - page 3

    3 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 12593.0000 10044.0000 00656.0000 NOTICE ALL COMPONENTS ARE 200 TO 240 VOLT A.C. Replace only with components listed in the accompan ...

  • Bunn H10X - page 4

    4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power sour ce until specified in Initial Set-Up. This dispenser requires 2-wire, grounded service rated 208 or 240 volts ac, 40 amp, single phase. ( Refer to the dispenser ’ s dataplate for exact voltage requirement.) Electrical Hook-Up CAUTION – Improper electrical ...

  • Bunn H10X - page 5

    5 INITIAL SET -UP CAUTION - The dispenser must be disconnected from the power sour ce throughout the initial set-up, except when specified in the instructions. 1. Connect the dispenser to the power sour ce and turn on the water supply . 2. The “ HEA TER ” LED will glow for approximately five seconds. During this time, the electronic cir cuitry ...

  • Bunn H10X - page 6

    6 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 H10X - page 7

    7 TROUBLESHOOTING (cont.) PROBLEM Automatic refill will not operate af- ter drawing hot water . Water flows into the tank continu- ously . (Dispenser disconnected from power sour ce). Water flows into the tank continu- ously (Dispenser connected to power sour ce). Water is cold. PROBABLE CAUSE 1. No water 2. Water strainer/flow control 3. Overflow ...

  • Bunn H10X - page 8

    8 TROUBLESHOOTING (cont.) PROBLEM Water is cold (cont.) Water boils continuously . PROBABLE CAUSE 3. T ank heater 4. T emperature control 5. Dr y plug pr otection 1. T emperature control 2. Lime build-up REMEDY Refer to Service - T ank heater for testing procedures. See page 19. Refer to Service - Electronic controls for testing procedures. See pag ...

  • Bunn H10X - page 9

    9 WARNING Very Hot Water Use With Care! ! WARNING Very Hot Water Use With Care! ! SERVICE This section provides procedures for testing and replacing various major components used in this dis- penser should service become necessar y . Refer to T roubleshooting for assistance in determining the cause of any problem. Component Access WARNING - Disconn ...

  • Bunn H10X - page 10

    10 SERVICE (cont.) Electronic Control Assembly T roubleshooting: Check these items first • Is circuit board popped out of bracket? • Is circuit board wet due to misaligned overflow tube? • Is water in overflow cup activating float switch? • Is overflow cup not making good contact with tank? • Is dispenser being operated with panels remove ...

  • Bunn H10X - page 11

    11 SERVICE (cont.) Electronic Controls (cont.) Liquid Level Control T est Pr ocedure 1. Disconnect the dispenser from the power sour ce. 2. Check the voltage across terminals 3 & 4 of the electronic control assembly with a voltmeter . Con- nect the dispenser to the power source. The indi- cation must be 200 to 240 volts ac for 200 to 240 volt m ...

  • Bunn H10X - page 12

    12 SERVICE (cont.) Electronic Controls (cont.) T emperatur e Control Flow Charts (cont.) Still Boiling ? Heater Light On While Boiling ? Retry Drain cup Retry Disconnect Blue Wire F rom Control Board Pin 7 No Ye s Ye s Ye s No No H10X THERMOST A T PROBLEM: Boils Excessively - Fills Cup Still Boiling ? Replace Steam Sensor Replace T riac Assembly Ch ...

  • Bunn H10X - page 13

    13 SERVICE (cont.) Electronic Controls (cont.) 11. Disconnect the dispenser from the power sour ce. If voltage was present as described, return the new triac assembly to Bunn-O-Matic for credit. The tem- perature control of the system is operating properly . If voltage was not present as described, reinstall your existing electronic control assembl ...

  • Bunn H10X - page 14

    14 T riac Assembly Removal and Replacement NOTE - Each triac installation requires the use of an approved silicone heat sink compound. Bunn-O-Matic recommends the use of Dow Corning 340 compound or equivalent. It can be pur chased direct from Bunn-O- Matic (P .N. M2522.1000) 1. Remove the existing triac assembly held in place with a 10-32 hex keps ...

  • Bunn H10X - page 15

    15 SERVICE (cont.) Limit Thermostat P1993 FIG. 5 LIMIT THERMOST A T T est Pr ocedure: 1. Disconnect the dispenser from the power sour ce. 2. There are two black wires on the limit thermostat terminals. One comes from the terminal block. The other goes directly to the tank heater terminal. Re- move the black wire at the limit thermostat coming from ...

  • Bunn H10X - page 16

    16 Location: The overflow protection switch is located within the side of the dispenser inside the copper overflow cup. For testing or removal of the overflow protection switch, access may also be needed by removing the two screws attaching the electronic control assembly to its mount- ing bracket. T est Pr ocedure: 1. Once voltage is verified at t ...

  • Bunn H10X - page 17

    17 Solenoid Valve Location: The solenoid valve is located within the side of the dis- penser on the right side near the bottom. T o test the solenoid valve, access will also be needed to the electronic control assembly . BUNN 90 psig max operating pressure Strainer/Flow Control # 22300.0750 (Repl. Flow Washer #20526.0750) (Repl. Screen #23721.0000) ...

  • Bunn H10X - page 18

    18 WHI/BLU to Electronic Contol #1 RED to T erminal Block RED to Electronic Control #5 P1779 FIG. 10 SOLENOID V AL VE WIRING 5. Lift out the solenoid valve. 6. Remove the two 10-32 slotted-head screws hold- ing the solenoid valve to its mounting bracket. 7. Securely install the new solenoid valve to its mount- ing bracket. The direction of flow arr ...

  • Bunn H10X - page 19

    19 SERVICE (cont.) T ank Heater Location: The tank heater is located in the tank lid. P1993 FIG. 11 T ANK HEA TER T est Pr ocedure: 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 sour ce. The indication must be 200 to 240 volts ac ...

  • Bunn H10X - page 20

    20 WIRING DIAGRAM 10889 091599 ...

Manufacturer Bunn Category Coffeemaker

Documents that we receive from a manufacturer of a Bunn H10X can be divided into several groups. They are, among others:
- Bunn technical drawings
- H10X manuals
- Bunn product data sheets
- information booklets
- or energy labels Bunn H10X
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 H10X.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Bunn H10X, service manual, brief instructions and user manuals Bunn H10X. 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 H10X.

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A complete manual for the device Bunn H10X, 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 H10X by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Bunn H10X.

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 H10X - 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 H10X, 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 H10X, that we can find in the current document
3. Tips how to use the basic functions of the device Bunn H10X - which should help us in our first steps of using Bunn H10X
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Bunn H10X
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Bunn H10X in a specific country, if it was not possible to solve the problem on our own.

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