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Manual Bunn H5M

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  • Bunn H5M - page 1

    H5M 10267.0000D 7/00 © 1988 BUNN-O-MATIC CORPORATION B UNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 BU N N ® OPERA TING & SERVICE MANUAL WARNING Very Hot Water Use With Care! ! DISCONNECT FROM POWER SOURCE BEFORE REMOVAL OF ANY PANEL OR REPLACEMENT OF ANY COMPONENT! ...

  • Bunn H5M - page 2

    2 CONTENTS Introduction ................................................. 2 Warranty ...................................................... 2 User Notices ................................................ 3 Electrical Requirements ............................... 4 Plumbing Requirements .............................. 4 Initial Set-Up ................ ...

  • Bunn H5M - page 3

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  • Bunn H5M - page 4

    4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up. The H5M dispenser requires 2-wire, grounded service rated 120, 208, or 240 volts ac, 20 amp, single phase. The H5MA, 230V-CE dispenser requires 2-wire, grounded service rated 230 volts ac, 40 amp, single phase, 50/ 60Hz . ...

  • Bunn H5M - page 5

    5 INITIAL SET -UP CAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, except when specified in the instructions. 1. Remove the upper rear panel and rotate the control thermostat knob fully counterclockwise to the “ OFF ” position and r eplace the panel. 2. Connect the dispenser to the power source a ...

  • Bunn H5M - 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 ech- nical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by q ...

  • Bunn H5M - page 7

    7 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Automatic refill will not operate after drawing hot water . Water flows into the tank con- tinuously (Dispenser discon- nected from power source). Water flows into the tank con- tinuously (Dispenser connected to power source). Water is cold. 1. No water 2. W ater strainer/flow control 3. Safet ...

  • Bunn H5M - page 8

    8 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Water boils continuously . Dispenser is making unusual noises. Ready indicator will not light. (when temperature is within 4 ° of its selected setting.) 1. T emperature control 2. Lime build-up 1. Solenoid valve 2. Plumbing lines 3. W ater supply 1. T emperature control 2. Ready Indicator LED ...

  • Bunn H5M - page 9

    9 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 – Disconnect the dispenser from the power source before the removal of any panel or the ...

  • Bunn H5M - page 10

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  • Bunn H5M - page 11

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  • Bunn H5M - page 12

    12 SERVICE (cont.) Solenoid Valve Location: The solenoid valve is located inside the rear of the dis- penser on the right side near the bottom. 6. Check the solenoid valve for coil action. Connect the dispenser to the power source. Listen carefully in the vicinity of the solenoid valve for a “ clicking ” sound after approximately 5 seconds, as ...

  • Bunn H5M - page 13

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  • Bunn H5M - page 14

    14 FIG. 10 THERMOSTAT WIRING BLU/BLK to Limit Thermostat BLK to T erminal Block P1782 SERVICE (cont.) Thermostat Location: The mechanical thermostat is located inside the upper rear panel. T o test the thermostat, access will also be needed to the terminal block located inside the bottom access panel. T est Pr ocedure: 1. Disconnect the dispenser f ...

  • Bunn H5M - page 15

    15 SERVICE (cont.) Liquid Level Board Location: The liquid level board is located inside the lower panel. Test Procedure: 1. Disconnect the dispenser from the power sour ce. 2. Remove the blue wire from terminal 1 and the pink wire from terminal 4 of the circuit board. 3. Check the voltage across terminals 2 and 3 with a voltmeter . Connect the dis ...

  • Bunn H5M - page 16

    16 15. Move the probe's flat end to the dispenser hous- ing. The indication must be 0. 16. Move the probe's flat end away from the dispenser housing. The indication should again be: a.) 100 to 120 volts ac for 100 to 120 volt models, b.) 200 to 240 volts ac for 200 to 240 volt models, c.) 230 volts ac for 230 volt models. 17. Disconnect t ...

  • Bunn H5M - page 17

    17 Location: The contactor is located on the component bracket inside the lower rear panel. T est Pr ocedures: 1. Disconnect the dispenser from the power sour ce. 2. Disconnect the black wire from the contactor coil to the limit thermostat and black wire from the red wire on the main harness on two wire 240V mod- els. 3. Check the voltage across th ...

  • Bunn H5M - page 18

    18 BLK to left Tank Heater RED to Terminal Block(L2) BLK to Terminal Block (L1) RED to Right Tank Heater BLK to Limit Thermostat RED from Main Harness P1725 FIG.14 CONTACTOR WIRING contactor . Removal and Replacement: 1. Disconnect all the wires from the contactor . 2 . Remove the two #8-32 screws securing the contactor to the contactor mounting br ...

  • Bunn H5M - page 19

    19 4 3 12 LIQUID LEVEL BOARD BLU/BLK TANK HEATER 120 VOLTS A C 2 WIRE SINGLE PHASE 10243.0000D 1/99 © 1987 BUNN-O-MATIC CORPORATION SCHEMATIC WIRING DIAGRAM H5M L1 N BLK BLK BLK SOL WHI GREEN BLU WHI WHI BLK BLK (PROBE) P N K RED RED BLK SW& THERMOSTAT OPTIONAL READY INDICATOR OVERFLOW PROTECTION SWITCH LIMIT THERMOSTAT 4 3 12 LIQUID LEVEL BOA ...

  • Bunn H5M - page 20

    20 WIRING DIAGRAMS 4 3 12 LIQUID LEVEL BOARD BLK SW& THERMOSTAT 10262.0001A 11/99 © 1999 BUNN-O-MATIC CORPORATION SCHEMATIC WIRING DIAGRAM H5MA, 230V CE L1 L2 BLK SOL GREEN BLU BLK BLK (PROBE) P N K RED RED RED BLU/BLK BLK RED-12 BLK-12 N.O. N.O. K RED RED RED TANK HEATER 230 VOLTS A C 2 WIRE SINGLE PHASE OVERFLOW PROTECTION SWITCH LIMIT THERM ...

Manufacturer Bunn Category Water Heater

Documents that we receive from a manufacturer of a Bunn H5M can be divided into several groups. They are, among others:
- Bunn technical drawings
- H5M manuals
- Bunn product data sheets
- information booklets
- or energy labels Bunn H5M
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 H5M.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Bunn H5M, service manual, brief instructions and user manuals Bunn H5M. 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 H5M.

Similar manuals

A complete manual for the device Bunn H5M, 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 H5M by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Bunn H5M.

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 H5M - 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 H5M, 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 H5M, that we can find in the current document
3. Tips how to use the basic functions of the device Bunn H5M - which should help us in our first steps of using Bunn H5M
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Bunn H5M
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Bunn H5M in a specific country, if it was not possible to solve the problem on our own.

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