Instrukcja obsługi Bunn Precision Water H10X-80-240
Bunn
Dozownik wody
Precision Water H10X-80-240
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SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
To 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.com. This is absolutely FREE, and the quickest way to obtain
the latest catalog and manual updates. Contact Bunn-O-Matic Corporation at 1-800-286-6070 to obtain
a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.
42311.0000J 09/16 © 2011 BUNN-O-MATIC CORPORATION
PRECISION
WATER
SERIES
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY
Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:
1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCR/MCP/MCA single cup brewers, ther-
mal servers and ThermoFresh® servers (mechanical and digital) 1 year parts and 1 year labor.
2) All other equipment - 2 years parts and 1 year labor plus added warranties as specified below:
a) Electronic circuit and/or control boards - parts and labor for 3 years.
b) Compressors on refrigeration equipment - 5 years parts and 1 year labor.
c) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis - parts and
labor for 4 years or 40,000 pounds of coffee, whichever comes first.
These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be
commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the
applicable warranty period. This warranty does not apply to any equipment, component or part that was not manufactured
by BUNN or that, in BUNN’s judgment, has been affected by misuse, neglect, alteration, improper installation or operation,
improper maintenance or repair, non periodic cleaning and descaling, equipment failures related to poor water quality
damage or casualty. In addition, the warranty does not apply to replacement of items subject to normal use including but
not limited to user replaceable parts such as seals and gaskets. This warranty is conditioned on the Buyer 1) giving BUNN
prompt notice of any claim to be made under this warranty by telephone at (217) 529-6601 or by writing to Post Office Box
3227, Springfield, Illinois 62708-3227; 2) if requested by BUNN, shipping the defective equipment prepaid to an authorized
BUNN service location; and 3) receiving prior authorization from BUNN that the defective equipment is under warranty.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR ORAL, EX-
PRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE. The agents, dealers or employees of BUNN are not authorized to make
modifications to this warranty or to make additional warranties that are binding on BUNN. Accordingly, statements by such
individuals, whether oral or written, do not constitute warranties and should not be relied upon.
If BUNN determines in its sole discretion that the equipment does not conform to the warranty, BUNN, at its exclusive op-
tion while the equipment is under warranty, shall either 1) provide at no charge replacement parts and/or labor (during the
applicable parts and labor warranty periods specified above) to repair the defective components, provided that this repair
is done by a BUNN Authorized Service Representative; or 2) shall replace the equipment or refund the purchase price for
the equipment.
THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS
EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AT BUNN’S SOLE OPTION
AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND.
In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of
use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities
or services, or any other special, incidental or consequential damages.
392, A Partner You Can Count On, Air Infusion, AutoPOD, AXIOM, BrewLOGIC, BrewMETER, Brew Better Not Bitter, Brew-
WISE, BrewWIZARD, BUNN Espress, BUNN Family Gourmet, BUNN Gourmet, BUNN Pour-O-Matic, BUNN, BUNN with
the stylized red line, BUNNlink, Bunn-OMatic, Bunn-O-Matic, BUNNserve, BUNNSERVE with the stylized wrench design,
Cool Froth, DBC, Dr. Brew stylized Dr. design, Dual, Easy Pour, EasyClear, EasyGard, FlavorGard, Gourmet Ice, Gourmet
Juice, High Intensity, iMIX, Infusion Series, Intellisteam, My Café, Phase Brew, PowerLogic, Quality Beverage Equipment
Worldwide, Respect Earth, Respect Earth with the stylized leaf and coffee cherry design, Safety-Fresh, savemycoffee.com,
Scale-Pro, Silver Series, Single, Smart Funnel, Smart Hopper, SmartWAVE, Soft Heat, SplashGard, The Mark of Quality in
Beverage Equipment Worldwide, ThermoFresh, Titan, trifecta, TRIFECTA (sylized logo), Velocity Brew, Air Brew, Beverage
Bar Creator, Beverage Profit Calculator, Brew better, not bitter., Build-A-Drink, BUNNSource, Coffee At Its Best, Cyclonic
Heating System, Daypart, Digital Brewer Control, Element, Milk Texturing Fusion, Nothing Brews Like a BUNN, Picture
Prompted Cleaning, Pouring Profits, Signature Series, Sure Tamp, Tea At Its Best, The Horizontal Red Line, Ultra are either
trademarks or registered trademarks of Bunn-O-Matic Corporation. The commercial trifecta® brewer housing configura-
tion is a trademark of Bunn-O-Matic Corporation.
242311 031314
3
WARNING - Inspection, testing, and repair of electrical equipment should be performed only by qualified service
personnel. Disconnect the dispenser fromthe power source when servicing, except when electrical tests are
required and the test procedure specifically states to connect the dispenser to the power source.
42311 092414
CONTENTS
TroubleShooting 4 ............................................................................................
Component Access 7 .......................................................................................
Electronic Controls 8-11 ...................................................................................
Limit Thermostat 12 .........................................................................................
Safety Overflow Switch 13 ...............................................................................
Solenoid Valve (Late Models)......................................................................14
Solenoid Valve (Early Models) 15 ....................................................................
Tank Heater 16 .................................................................................................
Steam Sensor 17 .............................................................................................
Dispense Valve (H5-PC) 18 ..............................................................................
Dispense Valve (H3EA Element) 19 ..................................................................
Dispense Switch (H3EA Element) 20 ...............................................................
Mechanical Thermostat 21 ...............................................................................
Contactor 22 ....................................................................................................
Liquid Level Board 23 ......................................................................................
Schematic Wiring Diagrams 25 ........................................................................
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
Technical Service Department.
• Inspection, testing, and repair of electrical equipment should be performed only by qualified service person-
nel.
• All electronic components have 120 – 240 volt ac and low voltage dc potential on their terminals. Shorting
of terminals or the application of external voltages may result in board failure.
• Intermittent operation of electronic circuit boards is unlikely. Board failure will normally be permanent. If
an intermittent condition is encountered, the cause will likely be a switch contact or a loose connection at a
terminal or crimp.
• Solenoid removal requires interrupting the water supply to the valve. Damage may result if solenoids are
energized for more than ten minutes without a supply of water.
• The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened. This will
help to avoid twists and kinks in the tubing.
• Make certain that all plumbing connections are sealed and electrical connections tight and isolated.
• This dispenser is heated at all times. Keep away from combustibles.
WARNING
• Exercise extreme caution when servicing electrical equipment.
• Disconnect dispenser from the power source when servicing, except when electrical tests are specified.
• Follow recommended service procedures
• Replace all protective shields or safety notices
Problem
Equipment will not operate.
Probable Cause
1. No power or incorrect voltage
Remedy
(A) Check the terminal block for the cor-
rect voltage. It should be:
a.) 100 to 120 volts ac across the black
and white terminals for 100 to 120 volt
models or,
b.) 200 to 240 volts ac across the red and
black terminals for 200 to 240 volt models
or,
c.) 230 volts ac across the red and black
terminals for 230 volt models.
(B) Check circuit breakers or fuses.
42311 071310
When a fault occurs (failure to the unit) the lamp will POWER
flash to identify the problem (early models)
Flashes Description of Failure
1 Temperature Sensor (short)
2 Temperature Sensor (open)
3 Refill Fault (continuous refill for 15 minutes)
4 Heater Fault (heater relay on for 120 minutes)
5 Boil Thermistor (short) H5X/H10X only
6 Boil Thermistor (open) H5X/H10X only
FAULT CODES
Er1 Temperature Sensor (short)
Er2 Temperature Sensor (open)
Er3 Refill Fault (continuous refill for 15 minutes)
Er4 Heater Fault (heater relay on for 120 minutes)
Er5 Boil Thermistor (short) H5X/H10X only)
Er6 Boil Thermistor (open) H5X/H10X only)
5
TROUBLESHOOTING (cont.)
Problem Probable Cause Remedy
Equipment will not operate
(cont.)
Automatic refill will not oper-
ate 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 connect-
ed to power source).
Water is cold.
2. Safety overflow switch
1. No water
2. Water strainer/flow control
3. Liquid level system
4. Solenoid valve
1. Solenoid valve
1. Liquid level system
1. Safety overflow switch
2. Limit thermostat
3. Tank heater
4. Temperature control
Refer to Service – safety overflow switch
for testing procedures.
Check plumbing and shut-off valves.
(A) Direction of flow arrow must be point-
ing towards dispenser.
(B) Remove the strainer/flow control and
check for obstructions. Clear or replace.
Refer to Service – electronic controls for
testing procedures.
Refer to Service – solenoid valve for test-
ing procedures.
Refer to Service – solenoid valve for test-
ing procedures.
Refer to Service – electronic controls for
testing procedures.
Refer to Service – safety overflow switch
for testing procedures.
Refer to Service – limit thermostat for
testing procedures.
Refer to Service – tank heater for testing
procedures.
Refer to Service – electronic controls for
testing procedures.
CAUTION – Do not eliminate or bypass limit thermostat. Use only B.O.M. replacement part #23717.0003.
42311 071310
6
TROUBLESHOOTING (cont.)
Problem Probable Cause Remedy
Water boils continuously.
Dispenser is making unusual
noises.
Ready indicator will not light.
1. Temperature control
2. Lime build-up
1. Plumbing lines
3. Water supply
1. Temperature control
2. Ready Indicator LED
Refer to Service – electronic controls for
testing procedures.
Inspect the tank assembliy for excess lime
deposits. Delime as required.
Plumbing lines should not be resting on
the counter top.
(A) The dispenser must be connected to a
cold water line.
(B) Water pressure to the dispenser must
not be higher than 90 psi (620 kPa). Install
a regulator if necessary to lower the work-
ing pressure to approximately 50 psi (345
kPa).
Refer to Service – electronic controls for
testing procedures.
Replace the indicator LED.
CAUTION – Tanks and tank components should be delimed reglarly depending on local water conditions. Exces-
sive mineral build-up on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks.
42311 071310
7
Faceplate Removal - H3/5 ELEMENT: After removing
top cover, remove the two upper screws securing the
faceplate. Carefully lift faceplate straight up until the
lower screws clear the key holes.
The check valve, electronic control assembly, safety
overflow switch, solenoid valve, overflow tube tempera-
ture sensor and terminal block are located at the rear of
the dispenser. Access is gained by removing the upper
and lower rear panels. The upper is attached with six
8-32 slotted-head screws. The lower is attached with
four 8-32 slotted-head screws. The middle panel must
not be removed from the dispenser.
P1770.30
42311 070615
WARNING
Very Hot Water
Use With Care!
!
The check valve, electronic control assembly, over-
flow protection switch, solenoid valve, overflow tube
temperature sensor, triac assembly (EARLY MODELS
ONLY) and terminal block are located on the side of
the dispenser. Access is gained by removing the side
panel. The panel is attached with eight 8-32 slotted-
head screws.
P878.30
SERVICE
WARNING – Disconnect the dispenser from the power source before the removal of any panel or the replacement
of any component. Inspection, testing, and repair of electrical equipment should be performed only WARNING -
by qualified service personnel. Disconnect the dispenser fromthe power source when servicing, except when
electrical tests are required and the test procedure specifically states to connect the dispenser to the power source.
Component Access - H3/H5E/DV-PC/X Component Access - H10X
Specyfikacje produktu
| Marka: | Bunn |
| Kategoria: | Dozownik wody |
| Model: | Precision Water H10X-80-240 |
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